Insulated high-speed data transmission data cable with rope pipe structure

Abstract

The utility model discloses an insulated high-speed data transmission data cable with a rope pipe structure, which comprises two conductors arranged in parallel, the outer sides of the two conductors are both wound with thin ropes, the conductors are wrapped with first solid insulated inner sheaths after being wound with the thin ropes, and the second solid insulated inner sheaths are wrapped with second solid insulated inner sheaths after being wound with the thin ropes. The two first solid insulation inner sheaths are jointly wrapped by a second solid insulation inner sheath, the outer side of the second solid insulation inner sheath is wrapped by a metal wrapping layer, and the outer side of the metal wrapping layer is wrapped by a non-metal wrapping layer. According to the utility model, the thin rope is wound on the conductor, the foaming degree is adjusted through the pitch of the wound thin rope, the cable adopts a tubular structure insulator, the foaming degree is high, the structure is stable, and meanwhile, a larger conductor can be made into a small insulation wire diameter, so that the insertion loss of the cable is improved, and the transmission speed is high due to the high foaming degree; and good differential common mode conversion is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to data cable technical field, concretely is a kind of data cable of rope pipe structure insulation high-speed data transmission. BACKGROUND

[0002] With the continuous development and change of communication demand of high-speed interconnection data center, the requirements of signal processing, bandwidth and transmission density of data center fast change are increasing, such as the data flow of about 5 trillion gigabyte per year needed to be processed in today's cloud data center, plus the development of 5G, Internet of Things, Internet of Vehicles, the data flow needed to be processed in the future will be very large. In order to meet the rapidly growing bandwidth demand, higher signal transmission speed, larger bandwidth and stronger interconnection density are needed. This poses a severe challenge to data center interconnection solution.

[0003] For example, Figure 4 , the traditional "parallel pair" high-speed cable is composed of two separate PE or PP foamed insulation core wires, PE or PP inner sheath outside, plus metal tape shielding and self-adhesive polyester tape wrapping, ordinary foamed PE or PP foaming degree is low, dielectric constant is large, conductor cable volume is large, the binding of aluminum foil and PET outside is not firm, so the physical structure is not very stable, especially in the case of static bending and dynamic bending, the transmitted high-frequency signal will change (attenuation will be poor, differential signal to common mode signal will be poor), so that the transmission rate of the cable is limited. The binding tension of the wrapping tape will cause the deformation of the insulation core wire, which will affect the transmission of high-frequency signal; ordinary foamed insulation body Figure 4 ) has small pores distributed randomly in the insulation body, the production degree is high, and the structure is relatively unstable. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of data cable of rope pipe structure insulation high-speed data transmission to solve the problems in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of data cable of rope pipe structure insulation high-speed data transmission, including two parallelly arranged conductors, the outer side of two the conductor is wound with string, the conductor is wound string and is covered with first solid insulation inner sheath, two the first solid insulation inner sheath is collectively covered by second solid insulation inner sheath, the outer side of the second solid insulation inner sheath is covered with metal cladding layer, the outer side of the metal cladding layer is covered with non-metal cladding layer.

[0006] Preferably, the conductor uses single conductor or stranded conductor, and the size of the conductor is set to 25AWG-20AWG.

[0007] Preferably, the metal cladding layer adopts a pure metal strip or a combination of a metal layer and a non-metal layer.

[0008] Preferably, the pure metal strip adopts aluminum, copper, alloy metal or surface plated metal; the metal layer adopts aluminum, copper or alloy metal, and the non-metal layer adopts PET, PP, FEP or PTFE.

[0009] Preferably, the ground wire is further coated by a non-metal cladding layer.

[0010] Preferably, the metal cladding layer is longitudinally coated or wrapped, and the metal surface of the metal cladding layer is in contact with the ground wire.

[0011] Compared with the prior art, the conductor is wound with a fine rope, the foaming degree is adjusted by the pitch of the fine rope, the cable adopts a pipe structure insulator, the foaming degree is high, the structure is stable, and a relatively large conductor can be used to make a small insulating wire diameter, so that the insertion loss of the cable is improved, the transmission speed is fast due to the high foaming degree, and the cable has good differential common mode conversion. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0013] Figure 1 is a structural schematic view of the embodiment one of the present application;

[0014] Figure 2 is a structural schematic view of the embodiment two of the present application;

[0015] Figure 3 is a structural schematic view of part of the present application;

[0016] Figure 4 is a structural schematic view of the prior art.

[0017] In the drawings: 1, conductor; 2, fine rope; 3, first solid insulating inner sheath; 4, second solid insulating inner sheath; 5, metal cladding layer; 6, ground wire; 7, non-metal cladding layer. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in the following in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0019] Embodiment one

[0020] Please refer to Figure 1 And Figure 3 In the embodiments of the utility model, a data cable for high-speed data transmission of rope tube structure insulation comprises two parallel conductors 1, fine ropes 2 are wound on the outer sides of the two conductors 1, the conductors 1 are covered with first solid insulation inner sheaths 3 after being wound with the fine ropes 2, the two first solid insulation inner sheaths 3 are jointly covered by a second solid insulation inner sheath 4, the outer side of the second solid insulation inner sheath 4 is covered with a metal cladding layer 5, and the outer side of the metal cladding layer 5 is covered with a non-metal cladding layer 7. The fine ropes are wound on the conductors, the foaming degree is adjusted by the pitch of the wound fine ropes, the cable adopts a tube structure insulator, the foaming degree is high, the structure is stable, and a relatively large conductor can be used to make a small insulation wire diameter, so that the insertion loss of the cable is improved. Because the foaming degree is high, the transmission speed is fast, and the differential common mode conversion is good.

[0021] The conductor 1 adopts a single conductor 1 or a stranded conductor 1, and the size of the conductor 1 is set to 25AWG-20AWG.

[0022] The metal cladding layer 5 adopts a pure metal strip or a combination of a metal layer and a non-metal layer, the pure metal strip adopts aluminum, copper, alloy metal or surface plated metal, the metal layer adopts aluminum, copper or alloy metal, and the non-metal layer adopts PET, PP, FEP or PTFE.

[0023] The data cable further comprises a ground wire 6, the ground wire 6 is covered by the non-metal cladding layer 7, the metal cladding layer 5 is longitudinally covered or wrapped, the metal surface of the metal cladding layer 5 is in contact with the ground wire 6, at this time, the metal surface of the metal cladding layer 5 faces outward, the metal surface of the metal cladding layer 5 is in contact with the ground wire 6, and the ground wire 6 and the outside of the metal cladding layer 5 are wrapped and covered by the non-metal cladding layer 7 to prevent the metal cladding layer 5 from loosening and causing the stability of the shielding performance, and the thickness of the non-metal is generally 0.008-0.040mm.

[0024] Example Two

[0025] Please refer to Figure 2 and Figure 3 In the utility model embodiment, a data cable of rope tube structure insulation high speed data transmission, including two parallel setting conductor 1, two conductor 1's outside are wound with fine rope 2, the conductor 1 is covered with first solid insulation inner sheath 3 after winding fine rope 2, two first solid insulation inner sheath 3 are collectively covered by second solid insulation inner sheath 4, the outside of second solid insulation inner sheath 4 is covered with metal cladding 5, the outside of metal cladding 5 is covered with non-metal cladding 7;Conductor is wound with fine rope, and the foaming degree is adjusted by the pitch of winding fine rope, the cable adopts pipe structure insulator, and the foaming degree is high, the structure is stable, and the relatively large conductor can be used to make small insulation wire diameter, so that the insertion loss of the cable is improved, because the foaming degree is high, the transmission speed is fast, and the good differential common mode conversion is possessed.

[0026] The conductor 1 adopts single conductor 1 or stranded conductor 1, and the size of the conductor 1 is set to 25AWG-20AWG.

[0027] The metal cladding 5 adopts pure metal strip or the combination of metal layer and non-metal layer, the pure metal strip adopts aluminum, copper, alloy metal or surface plating metal, the metal layer adopts aluminum, copper or alloy metal, and the non-metal layer adopts PET, PP, FEP or PTFE. The metal cladding 5 is longitudinally wrapped or wrapped, and the metal surface of the metal cladding 5 faces outward at this time.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have been described, and are not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A data cable with a rope-tube structure for insulated high-speed data transmission, comprising two parallel conductors (1), characterized in that: Both conductors (1) are wrapped with thin ropes (2) on their outer sides. After the conductors (1) are wrapped with thin ropes (2), they are covered with a first solid insulating inner sheath (3). The two first solid insulating inner sheaths (3) are covered together by a second solid insulating inner sheath (4). The outer side of the second solid insulating inner sheath (4) is covered with a metal cladding layer (5). The outer side of the metal cladding layer (5) is covered with a non-metallic cladding layer (7).

2. The data cable with a rope-tube structure insulated for high-speed data transmission according to claim 1, characterized in that: The conductor (1) is a single conductor (1) or a stranded conductor (1), and the size of the conductor (1) is set to 25AWG-20AWG.

3. The data cable with a rope-tube structure insulated for high-speed data transmission according to claim 1, characterized in that: The metal cladding layer (5) is a pure metal strip or a combination of a metal layer and a non-metal layer.

4. The data cable with rope-tube structure insulation for high-speed data transmission according to claim 3, characterized in that: The pure metal strip is made of aluminum, copper, alloy metal, or surface-plated metal; the metal layer is made of aluminum, copper, or alloy metal, and the non-metal layer is made of PET, PP, FEP, or PTFE.

5. The data cable with rope-tube structure insulation for high-speed data transmission according to claim 1, characterized in that: It also includes a ground wire (6), which is covered by a non-metallic cladding layer (7).

6. The data cable with a rope-tube structure insulated for high-speed data transmission according to claim 5, characterized in that: The metal cladding layer (5) is wrapped longitudinally or around the ground wire (6), and the metal surface of the metal cladding layer (5) is in contact with the ground wire (6).

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