Insulating medium structure and high-speed cable

Abstract

The utility model relates to an insulating medium structural body and a high-speed cable, the insulating medium structural body is applied to the high-speed cable, the insulating medium structural body comprises an insulating medium body and a hole, and the hole is formed in the insulating medium body; the holes comprise a pair of first holes, the first holes are formed in the insulating medium body and are arranged in an axial symmetry mode, and the pair of first holes are used for penetrating through a pair of conductors to serve as a differential wire pair; the number of the second holes is at least three, and the second holes are formed in the insulating medium body; the second pores are arranged in an axial symmetry mode relative to the symmetry axis of the pair of first pores. The insulating medium is prepared into a structure with pores, and the pores are arranged in axial symmetry relative to the symmetry axis, so that on the premise of ensuring the signal transmission effectiveness of the high-speed cable, on one hand, the structural stability of the high-speed cable is ensured, and the problem of performance variation of the high-speed cable during bending and twisting is avoided; and on the other hand, the signal transmission loss is reduced, thereby reducing the transmission attenuation degree.

Description

Technical Field

[0001] The present application relates to the field of signal transmission, and in particular to an insulating medium structure and a high-speed cable. Background Art

[0002] High-speed cables generally use differential line pairs for signal transmission, and their structure consists of two wires covered with an insulating medium. The insulating medium can be one layer or two layers or more.

[0003] As shown in FIG1 , a high-speed cable 900 includes a pair of conductors 100 as a differential line pair, each conductor 100 is covered with an insulating medium 300, two ground wires 200 are symmetrically arranged on the differential line, a shielding layer 400 covers the conductor 100, the insulating medium 300 and the ground wire 200, and an outer sheath 500 covers the shielding layer 400, that is, the shielding layer 400 is covered with an outer sheath 500, and there is a gap 600 between the two insulating media 300 in the shielding layer 400, and there is also a gap 600 between the insulating medium 300 and the ground wire 200. Such a high-speed cable 900 has a layer of insulating medium. It can be understood that the structure of the high-speed cable 900 shown in FIG1 is the cross-sectional structure of the high-speed cable 900 along its extension direction, and the same shall apply below, and no further description shall be given.

[0004] Another high-speed cable 900 is shown in FIG2 , which is different from the high-speed cable 900 shown in FIG1 in that the shielding layer 400 covers the conductor 100 and the insulating medium 300 but does not cover the ground wire 200, and the insulating medium 300 is arranged as a whole, and the shielding layer 400 is filled with the insulating medium 300 except for the conductor 100, and there is no gap 600 in the shielding layer 400, and there is a gap 600 outside the shielding layer 400 between the shielding layer 400 and the ground wire 200. This type of high-speed cable 900 also has only one layer of insulating medium.

[0005] Another high-speed cable 900 is shown in FIG3 . Different from the high-speed cable 900 shown in FIG2 , the insulating medium 300 is composed of two layers. Each conductor 100 is covered with a first insulating medium 310. The two first insulating media 310 are covered with a second insulating medium 320. The shielding layer 400 is covered with the second insulating medium 320. The inside of the shielding layer 400 is filled with the first insulating medium 310 and the second insulating medium 320 except the conductor 100. This type of high-speed cable 900 has two layers of insulating media. The same is true for high-speed cables 900 with multiple layers of insulating media.

[0006] When there is a gap 600, that is, air exists inside the shielding layer 400 of the high-speed cable 900, as shown in FIG1, since air is the best transmission medium, the signal transmission attenuation is small, but the wire structure stability shown in FIG1 is poor, and the transmission performance of the wire is prone to variation when it is bent and twisted. When the shielding layer 400 of the high-speed cable 900 is completely filled with the insulating medium 300, as shown in FIG2 and FIG3, the high-speed cable 900 has the best structural stability, but the signal transmission attenuation is large.

[0007] Therefore, how to balance the structural stability of high-speed cables and the problem of signal transmission attenuation is a technical problem that needs to be solved urgently. Utility Model Content

[0008] Based on this, it is necessary to provide an insulating medium structure and a high-speed cable.

[0009] In one embodiment, an insulating medium structure includes an insulating medium body and a pore, wherein the pore is disposed in the insulating medium body; wherein the pore includes:

[0010] A pair of first apertures are provided in the insulating medium body and are axially symmetrically arranged, wherein the pair of first apertures are used to pass a pair of conductors as a differential line pair; and

[0011] At least three second pores are disposed in the insulating medium body; and each of the second pores is disposed in an axisymmetric manner relative to a symmetry axis of a pair of the first pores.

[0012] In one embodiment, each of the second pores is evenly divided into two groups, and each group of the second pores is symmetrically distributed with the center of one of the first pores as the symmetry center; or,

[0013] Each of the second pores is evenly divided into three groups, wherein two groups of the second pores are respectively symmetrically centered around the center of one of the first pores and are centrally symmetrically distributed, and another group of the second pores are axially symmetrically arranged relative to the symmetry axis and / or uniformly distributed on the symmetry axis; or,

[0014] With respect to the symmetry axis, the second pores on the symmetry axis are themselves arranged axially symmetrically with respect to the symmetry axis, and the second pores on both sides of the symmetry axis are arranged axially symmetrically; or,

[0015] Along the extension direction of the insulating medium body, the cross section of the second pore is partially or entirely circular, partially or entirely elliptical, or partially or entirely regular polygonal.

[0016] In one embodiment, the insulating medium body is further provided with a third pore, the passing area of ​​the third pore is set differently from the passing area of ​​the second pore, and each of the third pores is arranged in an axisymmetric manner with respect to the symmetry axis.

[0017] In one embodiment, the insulating medium body is further provided with a fourth pore, the passing area of ​​the fourth pore is set differently from the passing area of ​​the second pore and the third pore, and each of the fourth pores is arranged in an axisymmetric manner with respect to the symmetry axis.

[0018] In one embodiment, the insulating medium body includes a first insulating medium and a second insulating medium, each of the first pores is covered with the first insulating medium, and the second insulating medium is entirely covered outside the two first insulating media;

[0019] The first insulating medium is provided with the second pores.

[0020] In one embodiment, the insulating dielectric structure includes at least one of the following:

[0021] The second insulating medium is also provided with the second pore;

[0022] The first insulating medium is further provided with third pores, the passing area of ​​the third pores is set differently from the passing area of ​​the second pores, and each of the third pores is arranged in an axisymmetric manner with respect to the symmetry axis; and,

[0023] The second insulating medium is provided with fourth pores, the passing area of ​​the fourth pores is set differently from the passing area of ​​the second pores, and each of the fourth pores is arranged in axisymmetry with respect to the symmetry axis.

[0024] In one embodiment, the insulating medium body includes a second insulating medium and a third insulating medium, and the third insulating medium is provided with the second pore;

[0025] The second insulating medium is entirely covered outside the third insulating medium and the two first pores.

[0026] In one embodiment, the insulating medium body further includes a first insulating medium, and each of the first pores is covered with the first insulating medium; and

[0027] The first insulating medium is entirely covered on the third insulating medium and the two first pores; or, the third insulating medium and the first insulating medium are separated by the second insulating medium.

[0028] In one of the embodiments, the insulating medium body is arranged in an axisymmetric manner relative to the symmetry axis.

[0029] In one embodiment, a high-speed cable includes a conductor, a ground wire, a shielding layer, an outer jacket, and an insulating medium structure as described in any embodiment;

[0030] A pair of the conductors are inserted into a pair of first pores of the insulating medium structure in a one-to-one correspondence;

[0031] The shielding layer covers the insulating medium structure;

[0032] The outer jacket covers the shielding layer and the ground wire.

[0033] The above-mentioned insulating medium structure and high-speed cable prepare the insulating medium into a structure with pores, and these pores are arranged axially symmetrically with respect to the symmetry axis. Therefore, under the premise of ensuring the effectiveness of high-speed cable signal transmission, on the one hand, it is beneficial to ensure the structural stability of the high-speed cable and avoid the problem of performance variation of the high-speed cable when bending and twisting. On the other hand, it is beneficial to reduce signal transmission loss and thus reduce the degree of transmission attenuation. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] FIG. 1 is a schematic diagram of the structure of a conventional high-speed cable.

[0036] FIG. 2 is a schematic diagram of the structure of another conventional high-speed cable.

[0037] FIG. 3 is a schematic diagram of the structure of another conventional high-speed cable.

[0038] FIG. 4 is a schematic structural diagram of an embodiment of the insulating medium structure described in the present application.

[0039] FIG. 5 is a schematic diagram of the structure of a high-speed cable according to an embodiment of the present application using the embodiment shown in FIG. 4 .

[0040] FIG. 6 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0041] FIG. 7 is a schematic diagram of the structure of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 6 .

[0042] FIG8 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0043] FIG. 9 is a schematic structural diagram of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 8 .

[0044] FIG. 10 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0045] FIG. 11 is a schematic structural diagram of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 10 .

[0046] FIG. 12 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0047] FIG. 13 is a schematic diagram of the structure of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 12 .

[0048] FIG. 14 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0049] FIG. 15 is a schematic diagram of the structure of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 14 .

[0050] FIG. 16 is a schematic structural diagram of another embodiment of the insulating medium structure described in the present application.

[0051] FIG. 17 is a schematic diagram of the structure of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 16 .

[0052] FIG. 18 is a schematic structural diagram of another embodiment of the insulating dielectric structure described in the present application.

[0053] FIG. 19 is a schematic diagram of the structure of a high-speed cable according to another embodiment of the present application using the embodiment shown in FIG. 18 .

[0054] Figure numerals: conductor 100, ground wire 200, insulating medium 300, first pore 301, second pore 302, third pore 303, fourth pore 304, insulating medium body 305, first insulating medium 310, second insulating medium 320, third insulating medium 330, shielding layer 400, outer shell 500, gap 600, insulating medium structure 700, symmetry axis 800, high-speed cable 900. DETAILED DESCRIPTION

[0055] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0056] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0057] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0058] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are in contact indirectly through an intermediate medium. Moreover, a first feature being “above”, “above”, or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0059] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0060] The present application discloses an insulating medium structure and a high-speed cable, which include some or all of the technical features of the following embodiments; that is, the insulating medium structure and the high-speed cable include some or all of the following structures. In one embodiment of the present application, an insulating medium structure includes an insulating medium body and pores, wherein the pores are opened in the insulating medium body; wherein the pores include: a first pore, a pair of which are opened in the insulating medium body and axially symmetrically arranged, and a pair of the first pores are used to pass a pair of conductors as a differential line pair; and a second pore, a pair of which are at least three, which are opened in the insulating medium body; and each of the second pores is axially symmetrically arranged relative to the symmetry axis of the pair of the first pores. The above-mentioned insulating medium structure is applied to high-speed cables, and the insulating medium is prepared into a structure with pores, and these pores are axially symmetrically arranged relative to the symmetry axis. Therefore, under the premise of ensuring the effectiveness of high-speed cable signal transmission, on the one hand, it is conducive to ensuring the structural stability of the high-speed cable and avoiding the problem of performance variation of the high-speed cable when bending and twisting, and on the other hand, it is conducive to reducing signal transmission loss and thus reducing the degree of transmission attenuation.

[0061] The insulating medium structure and the high-speed cable are described in detail below with reference to FIG. 4 to FIG. 19 .

[0062] In order to solve the problem of how to balance the structural stability of the high-speed cable 900 and the signal transmission attenuation, in one embodiment, an insulating medium structure 700 is shown in FIG4, which can be applied to the high-speed cable; specifically, the high-speed cable 900 using the insulating medium structure 700 shown in FIG4 is shown in FIG5. The present application proposes a high-speed cable 900 using a lotus core structure as the insulating medium structure 700. The important difference from the traditional technology is that the insulating medium structure 700 is a structure with pores, which can be applied to the high-speed cable 900, that is, the insulating medium is made into a lotus core structure with several circular or other shaped holes inside, which can not only make the internal structure contain a large amount of air, but also ensure that the whole has sufficient mechanical strength, so that the performance of the wire will not vary when it is bent and twisted, thereby effectively solving the above-mentioned problems.

[0063] In conjunction with FIG. 4 and FIG. 5 , in this embodiment, the high-speed cable 900 includes a conductor 100, a ground wire 200, a shielding layer 400, a jacket 500 and the insulating medium structure 700; a pair of the conductors 100 are arranged in a pair of first pores 301 of the insulating medium structure 700 in a one-to-one correspondence; the shielding layer 400 covers the insulating medium structure 700, and the jacket 500 covers the shielding layer 400 and the ground wire 200. The shielding layer 400 includes but is not limited to a metal shielding layer; the jacket 500 can also be referred to as a jacket layer. There may be a gap 600 between the shielding layer 400 and the insulating medium structure 700; or, as shown in FIG. 5 , the shielding layer 400 tightly covers the insulating medium structure 700, that is, there is no gap 600 between the shielding layer 400 and the insulating medium structure 700. The high-speed cable 900 adopts the insulating medium structure 700, which is also prepared by preparing the insulating medium into a structure with pores, and these pores are axially symmetrically arranged with respect to the symmetry axis 800. Therefore, under the premise of ensuring the effectiveness of signal transmission of the high-speed cable 900, on the one hand, it is beneficial to ensure the structural stability of the high-speed cable 900 and avoid the problem of performance variation of the high-speed cable 900 when bending and twisting. On the other hand, it is beneficial to reduce signal transmission loss and thus reduce the degree of transmission attenuation.

[0064] In the high-speed cable 900, the number of the conductors 100 is two, which can also be called two strands. Each conductor 100 is a single or multiple metal wires. The metal wire is any one of silver-plated copper, tin-plated copper, bare copper, silver-plated copper-clad steel, and silver-plated copper-clad aluminum conductors 100. The cross-sectional shape of the metal wire can be any one of circular, elliptical, flat or other shapes. It can be understood that for the differential line pair, along the extension direction of the high-speed cable 900, a pair of the conductors 100 are symmetrically arranged. FIG5 shows a cross section along the extension direction of the high-speed cable 900. In this cross section, a pair of the conductors 100 have a symmetry axis 800, which can also be understood as a pair of the first pores 301 having the symmetry axis 800. The rest of the embodiments are similar. The high-speed cable 900 includes the insulating medium structure 700 described in any embodiment of the present invention, which will not be described in detail below.

[0065] In conjunction with FIG. 4 and FIG. 5, in one embodiment, the insulating medium structure 700 includes an insulating medium body 305 and pores, and the pores are arranged in the insulating medium body 305; the insulating medium body 305 is coated outside the conductor 100, and the material of the insulating medium body 305 is any one of polyethylene, polypropylene, polyperfluoroethylene propylene, polytetrafluoroethylene insulating medium body 305, polyvinylidene fluoride or other fluoroplastics. The insulating medium body 305 is a layer of insulating medium, and may also include two or more layers of different insulating mediums. The insulating medium body 305 has a plurality of hollow holes as the pores, and the shape of the hollow holes may be circular, square or other shapes, and the overall shape is distributed in the cross section of the insulating medium body 305 in a lotus core shape, and the lotus core holes are symmetrical on the left and right. With such a structural design, the insulating medium structure 700 is made into a lotus core structure, so that the entire line of the high-speed cable 900 can ensure sufficient mechanical strength and anti-bending and torsion performance while improving the anti-attenuation performance.

[0066] In each embodiment, the pores include a first pore 301 and a second pore 302, and the shapes and sizes of the first pore 301 and the second pore 302 can be set the same or different. In this embodiment, the insulating medium body 305 is arranged in an axisymmetric manner relative to the symmetry axis 800. Exemplarily, as shown in Figures 4 and 5, the first pore 301 and the second pore 302 have the same shape, and the area of ​​the first pore 301 is greater than the area of ​​the second pore 302. It can be understood that in each embodiment, the shape and area, etc. are based on the cross section along the extension direction of the high-speed cable 900, and the rest of the embodiments are similar and will not be described in detail.

[0067] In order to achieve differential signal transmission, in each embodiment, the number of the first pores 301 is a pair, which are arranged in the insulating medium body 305 and are axially symmetrical. The pair of first pores 301 is used to pass a pair of conductors 100 as a differential line pair; as mentioned above, the symmetry axis 800 of the pair of first pores 301 is the symmetry axis 800 of the pair of conductors 100. It should be noted that the above description is based on the structure of the insulating medium structure 700. In the actual production process, the first pores 301 can be a structure formed by the production process. Exemplarily, the insulating medium body 305 is filled outside the conductor 100, covered outside the conductor 100, or wound outside the conductor 100, so that the conductor 100 is covered by the insulating medium body 305, thereby forming a space filled with the conductor 100 in the insulating medium body 305, and the space is used as the first pore 301. Exemplarily, a tube body, such as a hollow tube, is first preset at the second pore 302 , and after the insulating medium body 305 is formed, the tube body is extruded or drawn out to form the second pore 302 .

[0068] In order to allow the internal structure of the insulating medium structure 700 to contain air, in each embodiment, the number of the second pores 302 is at least three, and they are arranged in the insulating medium body 305; and each of the second pores 302 is arranged in an axisymmetric manner relative to the symmetry axis 800 of a pair of the first pores 301. Such a structural design can ensure that the internal structure of the insulating medium structure 700 contains air, which is conducive to reducing signal transmission loss and thus reducing the degree of transmission attenuation.

[0069] In each embodiment, along the cross section of the extension direction of the high-speed cable 900, the shape and size of the first pore 301 are defined according to the conductor 100, and the second pore 302 is at least partially circular, at least partially elliptical, at least partially regular polygonal, or all of them, that is, along the extension direction of the insulating medium body 305, the cross section of the second pore 302 is partially or fully circular, partially or fully elliptical, or partially or fully regular polygonal; that is, the cross section of the second pore 302 can be a combination of partially circular, partially elliptical, and / or partially regular polygonal. Such a structural design is also to ensure that the internal structure of the insulating medium structure 700 contains air, so as to reduce signal transmission loss and thus reduce the degree of transmission attenuation.

[0070] In order to cooperate with the differential signal transmission, in one embodiment, each of the second pores 302 is evenly divided into two groups, and each group of the second pores 302 takes the center of one of the first pores 301 as the symmetry center and is centrally symmetrically distributed; that is, for the embodiment in which the second pores 302 are not arranged on the symmetry axis 800, the number of the second pores 302 is an even number, so that each of the second pores 302 is arranged in an axisymmetric manner relative to the symmetry axis 800. In the embodiment shown in Figures 4 and 5, the number of the second pores 302 is 12, which are divided into two groups that are axisymmetric relative to the symmetry axis 800, and each group of 6 second pores 302 takes the center of one of the first pores 301 as the symmetry center and is centrally symmetrically distributed. It can be understood that in the above embodiment, the specific number of the second pores 302 is only an example and does not serve as an additional limitation to the present application, and will not be repeated below.

[0071] In order to achieve differential signal transmission, in one embodiment, each of the second pores 302 is evenly divided into three groups, wherein two groups of the second pores 302 are respectively symmetrically centered at the center of one of the first pores 301 and are centrally symmetrically distributed; another group of the second pores 302 is axially symmetrically arranged relative to the symmetry axis 800, that is, evenly distributed on the symmetry axis 800. In one embodiment, as shown in FIG6 and FIG7, the number of the second pores 302 is 16, which are divided into three groups axially symmetrical relative to the symmetry axis 800, wherein in two groups, each group of 6 second pores 302 is respectively symmetrically centered at the center of one of the first pores 301 and are centrally symmetrically distributed; another group of 4 second pores 302 is axially symmetrically arranged relative to the symmetry axis 800.

[0072] In order to further cooperate to realize differential signal transmission, in one embodiment, as shown in Figures 6 and 7, relative to the symmetry axis 800, the second pore 302 located on the symmetry axis 800 itself is axially symmetrically arranged relative to the symmetry axis 800, and the second pores 302 located on both sides of the symmetry axis 800 are axially symmetrically arranged; that is, the second pore 302 can also be arranged on the symmetry axis 800, in which case the second pore 302 itself is an axisymmetric shape, and the second pore 302 itself is axially symmetrically arranged relative to the symmetry axis 800.

[0073] In order to further improve the air capacity of the internal structure of the insulating medium structure 700, in one embodiment, the insulating medium body 305 is further provided with a third pore 303, the passing area of ​​the third pore 303 is set differently from the passing area of ​​the second pore 302, and each of the third pores 303 is arranged axially symmetrically with respect to the symmetry axis 800. In one embodiment, the insulating medium structure 700 is shown in FIG8, and the high-speed cable 900 using the insulating medium structure 700 shown in FIG8 is shown in FIG9. Different from the embodiments shown in FIG6 and FIG7, the insulating medium body 305 is further provided with 13 third pores 303, and the 13 third pores 303 are divided into three groups, wherein in two groups, each group of 5 third pores 303 is arranged axially symmetrically with respect to the symmetry axis 800; another group of 3 third pores 303 are evenly distributed on the symmetry axis 800, and the third pores 303 themselves are arranged axially symmetrically with respect to the symmetry axis 800. Such a structural design further ensures that the internal structure of the insulating medium structure 700 contains a large amount of air, which is beneficial to reduce signal transmission loss and thus reduce the degree of transmission attenuation. It is also beneficial to ensure the structural stability of the high-speed cable and avoid the problem of performance variation of the high-speed cable when it is bent and twisted.

[0074] In the embodiments shown in FIGS. 4 to 9 , the insulating medium structure 700 has only one layer of insulating medium. In one embodiment, the insulating medium structure 700 is shown in FIG. 10 , and the high-speed cable 900 using the insulating medium structure 700 shown in FIG. 10 is shown in FIG. 11 . The insulating medium body 305 includes a first insulating medium 310 and a second insulating medium 320 , which can also be understood as the insulating medium body 305 can be divided into a first insulating medium 310 and a second insulating medium 320 ; wherein each of the first pores 301 is covered with the first insulating medium 310 , and the two first insulating media 310 are covered with the second insulating medium 320 as a whole; and the first insulating medium 310 is provided with the second pore 302 . The materials of the first insulating medium 310 and the second insulating medium 320 can be the same or different. For the embodiment in which the first insulating medium 310 and the second insulating medium 320 are the same, the first insulating medium 310 and the second insulating medium 320 and the third insulating medium 330 to be described below can be implemented in sequence using a preset process. The specific implementation methods of these insulating media are prior art, and no additional limitation is made in the comparison of the various embodiments of this application. Such a structural design can also make the internal structure of the insulating medium structure 700 contain a large amount of air.

[0075] In the embodiments shown in FIG. 10 and FIG. 11 , the second pores 302 are only provided in the first insulating medium 310. In other embodiments, as shown in FIG. 12 and FIG. 13 , the second insulating medium 320 is also provided with the second pores 302. In this embodiment, the second pores 302 in the second insulating medium 320 are evenly distributed on the symmetry axis 800, and the second pores 302 in the second insulating medium 320 are themselves axially symmetrically arranged relative to the symmetry axis 800. Such a structural design is conducive to improving the air content of the internal structure of the insulating medium structure 700.

[0076] In one embodiment, the insulating medium structure 700 is shown in FIG14, and the high-speed cable 900 using the insulating medium structure 700 shown in FIG14 is shown in FIG15, and the first insulating medium 310 is further provided with a third pore 303, and the passing area of ​​the third pore 303 is set differently from the passing area of ​​the second pore 302, and each of the third pores 303 is arranged in an axisymmetric manner relative to the symmetry axis 800. Such a structural design further improves the air content of the internal structure of the insulating medium structure 700, is conducive to reducing signal transmission loss and thus reducing the degree of transmission attenuation, ensuring the effectiveness of high-speed cable signal transmission, and can cooperate to improve the high-speed cable signal transmission distance.

[0077] In one embodiment, the insulating medium body 305 is further provided with a fourth pore 304, the passing area of ​​the fourth pore 304 is set differently from the passing area of ​​the second pore 302 and the third pore 303, and each of the fourth pores 304 is arranged axially symmetrically with respect to the symmetry axis 800. Such a structural design can form more and denser air channels while ensuring the structural stability of the high-speed cable, so that the internal structure of the insulating medium structure 700 contains a large amount of air, which is conducive to reducing signal transmission loss and thus reducing the degree of transmission attenuation.

[0078] In one embodiment, the insulating medium structure 700 is shown in FIG. 16, and the high-speed cable 900 using the insulating medium structure 700 shown in FIG. 16 is shown in FIG. 17. Different from the embodiments shown in FIG. 14 and FIG. 15, the second insulating medium 320 is provided with a fourth pore 304, and the passing area of ​​the fourth pore 304 is set differently from the passing area of ​​the second pore 302, and each of the fourth pores 304 is arranged in an axisymmetric manner relative to the symmetry axis 800. That is, in this embodiment, the first insulating medium 310 is provided with a second pore 302 and a third pore 303, and the second insulating medium 320 is provided with a fourth pore 304. Such a structural design enables the insulating medium structure 700 to ensure sufficient structural strength and ensure the transmission performance of the wire when it is bent and torsion. Under this premise, the air in the pores can be fully used as a transmission medium to reduce signal transmission loss and thus reduce the degree of signal transmission attenuation, which is particularly suitable for long-distance transmission.

[0079] In order to improve the structural strength of the insulating medium structure 700 at the pores, in one embodiment, as shown in FIG. 18 and FIG. 19 , the insulating medium body 305 includes a second insulating medium 320 and a third insulating medium 330, and the third insulating medium 330 is provided with the second pore 302, that is, the second pore 302 is located in the third insulating medium 330, that is, the third insulating medium 330 covers the second pore 302; the other embodiments are similar and will not be described in detail. Moreover, the second insulating medium 320 is entirely covered outside the third insulating medium 330 and the two first pores 301. Furthermore, in one embodiment, the material of the second insulating medium 320 is different from that of the third insulating medium 330. In this embodiment, the insulating medium body 305 further includes a first insulating medium 310, and each of the first pores 301 is covered with the first insulating medium 310; and the first insulating medium 310 is entirely covered on the third insulating medium 330 and the two first pores 301; or, the third insulating medium 330 and the first insulating medium 310 are separated by the second insulating medium 320. Such a structural design improves the structural strength of the second pore 302 to a certain extent, further avoids the problem of performance variation of the high-speed cable 900 when it is bent and torsion, thereby ensuring the effectiveness of signal transmission of the high-speed cable 900 and further improving the effective transmission distance of the high-speed cable 900.

[0080] Furthermore, in one of the embodiments, for the embodiment with the third pore 303 and / or the fourth pore 304, the third pore 303 and / or the fourth pore 304 are also located in the third insulating medium 330. Such a structural design improves the structural strength of the third pore 303 and / or the fourth pore 304 to a certain extent, and is conducive to reducing signal transmission loss and thus reducing the degree of transmission attenuation. It is also conducive to avoiding the problem of performance variation of the high-speed cable 900 when it is bent and twisted, thereby ensuring the effectiveness of signal transmission of the high-speed cable 900 and further improving the effective transmission distance of the high-speed cable 900.

[0081] It should be noted that other embodiments of the present application also include an insulating medium structure and a high-speed cable that can be implemented by combining the technical features in the above embodiments. In each embodiment, the insulating medium structure is applied to the high-speed cable; in each embodiment, the high-speed cable can also be called a differential cable or a differential transmission cable.

[0082] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0083] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of patent protection of the present application shall be subject to the attached claims.

Claims

1. An insulating dielectric structure (700), characterized in that: include: Insulating dielectric body (305); and, A pore is provided in the insulating medium body (305); Wherein, the pores include: A pair of first pores (301) are arranged in the insulating medium body (305) and are axially symmetrical, wherein the pair of first pores (301) are used to pass a pair of conductors (100) as a differential line pair; and At least three second pores (302) are disposed in the insulating medium body (305); and each of the second pores (302) is disposed in an axisymmetric manner relative to a symmetry axis (800) of a pair of the first pores (301).

2. The insulating dielectric structure (700) according to claim 1, characterized in that: The second pores (302) are evenly divided into two groups, and the second pores (302) in each group are symmetrically distributed with the center of one of the first pores (301) as the center; or, The second pores (302) are evenly divided into three groups, wherein two groups of the second pores (302) are respectively symmetrically centered around the center of one of the first pores (301) and are centrally symmetrically distributed, and the other group of the second pores (302) are axially symmetrically arranged relative to the symmetry axis (800) and / or are evenly distributed on the symmetry axis (800); or, Relative to the symmetry axis (800), the second pores (302) located on the symmetry axis (800) are themselves arranged axially symmetrically relative to the symmetry axis (800), and the second pores (302) located on both sides of the symmetry axis (800) are arranged axially symmetrically; or, Along the extension direction of the insulating medium body (305), the cross section of the second pore (302) is partially or entirely circular, partially or entirely elliptical, or partially or entirely regular polygonal.

3. The insulating dielectric structure (700) according to claim 1, characterized in that: The insulating medium body (305) is further provided with a third pore (303), the passing area of ​​the third pore (303) is set differently from the passing area of ​​the second pore (302), and each of the third pores (303) is arranged in an axisymmetric manner relative to the symmetry axis (800).

4. The insulating dielectric structure (700) according to claim 3, characterized in that: The insulating medium body (305) is further provided with a fourth pore (304), the passing area of ​​the fourth pore (304) being different from the passing areas of the second pore (302) and the third pore (303), and each of the fourth pores (304) is arranged in an axisymmetric manner relative to the symmetry axis (800).

5. The insulating dielectric structure (700) according to claim 1, characterized in that: The insulating medium body (305) comprises a first insulating medium (310) and a second insulating medium (320); each of the first pores (301) is covered with the first insulating medium (310); and the second insulating medium (320) is entirely covered outside the two first insulating media (310); The first insulating medium (310) is provided with the second pore (302).

6. The insulating dielectric structure (700) according to claim 5, characterized in that: Include at least one of the following: The second insulating medium (320) is also provided with the second pore (302); The first insulating medium (310) is further provided with a third pore (303), the passing area of ​​the third pore (303) is set differently from the passing area of ​​the second pore (302), and each of the third pores (303) is arranged in an axisymmetric manner with respect to the symmetry axis (800); and The second insulating medium (320) is provided with fourth pores (304), the passing area of ​​the fourth pores (304) is set differently from the passing area of ​​the second pores (302), and each of the fourth pores (304) is arranged in an axisymmetric manner relative to the symmetry axis (800).

7. The insulating dielectric structure (700) according to claim 1, characterized in that: The insulating medium body (305) comprises a second insulating medium (320) and a third insulating medium (330), and the third insulating medium (330) is provided with the second pore (302); The second insulating medium (320) is entirely disposed outside the third insulating medium (330) and the two first pores (301).

8. The insulating dielectric structure (700) according to claim 7, characterized in that: The insulating medium body (305) further comprises a first insulating medium (310), and each of the first pores (301) is covered with the first insulating medium (310); and The first insulating medium (310) is entirely covered on the third insulating medium (330) and the two first pores (301); or, the third insulating medium (330) and the first insulating medium (310) are separated by the second insulating medium (320).

9. The insulating dielectric structure (700) according to any one of claims 1 to 8, characterized in that: The insulating medium body (305) is arranged in an axisymmetric manner relative to the symmetry axis (800).

10. A high-speed cable (900), characterized in that: It comprises a conductor (100), a ground wire (200), a shielding layer (400), an outer jacket (500), and an insulating medium structure (700) as claimed in any one of claims 1 to 9; A pair of the conductors (100) are inserted into a pair of first pores (301) of the insulating medium structure (700) in a one-to-one correspondence; The shielding layer (400) covers the insulating medium structure (700); The outer jacket (500) covers the shielding layer (400) and the ground wire (200).

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