Flame-retardant composite optical cable for 5G network

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a flame-retardant composite optical cable for a 5G network, which is provided with three flame-retardant protective layers, and is characterized in that a regular hexagonal cable core is arranged in the flame-retardant composite optical cable, the cable core is composed of six supporting parts, and six first accommodating cavities and six second accommodating cavities are formed; a first transmission unit and a second transmission unit are arranged in the first accommodating cavity and the second accommodating cavity; the utility model has the beneficial effects of simple structure, convenient construction, stable structure, pressure resistance, large signal transmission density and the like.

Description

Technical Field

[0001] The utility model belongs to the field of cable technology, and in particular relates to a flame-retardant composite optical cable for 5G networks. Background Art

[0002] In the prior art, CN116755206A discloses an optical cable with a spliced ​​body, which has a cable core and an outer sheath, and is characterized in that: the cable core is composed of three spliced ​​bodies, four first transmission components, and six second transmission components; the spliced ​​body is composed of two congruent spliced ​​components, and the spliced ​​components have a special shape; the three spliced ​​bodies are spliced ​​to form a cable core with a regular hexagonal cross section, the second transmission component is located in the cavity, and the size and shape of the outer edge of the second transmission component are respectively matched with the size and shape of the cavity; each clamping cavity has a first transmission component, and another first transmission component is located in the regular triangular prism cavity formed by the three first transmission components. The present invention also discloses a cable and an optoelectronic composite cable.

[0003] The above-mentioned prior arts all have the following drawbacks: 1. The density of the transmission components in the cable is relatively low; 2. The mechanical properties such as compression resistance and tension resistance are poor; 3. The heat dissipation effect is poor. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to disclose a flame-retardant composite optical cable for 5G networks, which is achieved by adopting the following technical solutions.

[0005] A flame-retardant composite optical cable for 5G network, comprising an outer sheath, a fireproof layer, and an inner sheath, wherein the outer sheath is located at the outermost side, the fireproof layer is located between the outer sheath and the inner sheath, and the outer sheath material is flame-retardant polyolefin, characterized in that: a regular hexagonal cable core is provided in the inner sheath, the cable core is composed of six supporting components, and the supporting components are composed of a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate, and a fifth supporting plate, one end of the first supporting plate is connected to one end of the second supporting plate, the other end of the second supporting plate is connected to one end of the third supporting plate, the other end of the third supporting plate is connected to one end of the fifth supporting plate, and the connection between the third supporting plate and the fifth supporting plate is connected to one end of the fourth supporting plate;

[0006] The angle between the first support plate and the second support plate is 120°, the angle between the second support plate and the third support plate is 120°, the angle between the fourth support plate and the third support plate is 120°, the angle between the fourth support plate and the fifth support plate is 120°, the angle between the third support plate and the fifth support plate is 120°, the second support plate and the fifth support plate are parallel, the first support plate and the fourth support plate are parallel, and a containing groove is formed between the first support plate, the second support plate, the third support plate and the fourth support plate;

[0007] The other ends of the fourth support plates of the six support components converge at the same point and are fixed. In the clockwise direction, the third support plate, the fourth support plate and the fifth support plate of the previous support component are located in the receiving groove of the next support component. The other end of the fifth support plate of the previous support component abuts against the connection between the second support plate and the third support plate of the next support component. The second support plate of the previous support component and the first support plate of the next support component are located in the same straight line. The other end of the first support plate of the next support component fits with the connection between the second support plate and the third support plate of the previous support component.

[0008] The third support plate and the fifth support plate of the preceding support component and the first support plate and the second support plate of the succeeding support component form a rhombus-shaped first cavity, and the fourth support plate and the fifth support plate of the preceding support component and the third support plate and the fourth support plate of the succeeding support component form a rhombus-shaped second cavity;

[0009] A first transmission unit is arranged in the first cavity, and an optical communication component is arranged in the first transmission unit. A second transmission unit is arranged in the second cavity, and a conductor is arranged in the second transmission unit.

[0010] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the second transmission unit is composed of a loose tube and at least one optical fiber located in the loose tube.

[0011] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that: the first transmission unit is composed of two first diamond-shaped sheaths and one second diamond-shaped sheath, the second diamond-shaped sheath is located between the two first transmission units and connected in sequence, and the long axes of the two first diamond-shaped sheaths and one second diamond-shaped sheath are located on the same straight line;

[0012] A reinforcement is provided in the first diamond-shaped protective layer, and a conductor is provided in the second diamond-shaped protective layer. In the clockwise direction, the two side walls of one first diamond-shaped protective layer away from the second diamond-shaped protective layer are respectively fitted with the fifth support plate of the previous support component and the second support plate of the next support component, and the two side walls of another first diamond-shaped protective layer away from the second diamond-shaped protective layer are respectively fitted with the third support plate and the first support plate of the previous support component.

[0013] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that: the first transmission unit is composed of two first diamond-shaped sheaths and one second diamond-shaped sheath, the second diamond-shaped sheath is located between the two first transmission units and connected in sequence, and the long axes of the two first diamond-shaped sheaths and one second diamond-shaped sheath are located on the same straight line;

[0014] A conductor is provided in the first diamond-shaped sheath, and at least one optical fiber is provided in the second diamond-shaped sheath. In the clockwise direction, the two side walls of one first diamond-shaped sheath away from the second diamond-shaped sheath are respectively fitted with the fifth support plate of the previous support component and the second support plate of the next support component, and the two side walls of another first diamond-shaped sheath away from the second diamond-shaped sheath are respectively fitted with the third support plate and the first support plate of the previous support component.

[0015] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that: two first partitions are respectively provided on the two side walls of the first diamond-shaped protective layer close to the second diamond-shaped protective layer, the first partition is parallel to the side wall corresponding to the second diamond-shaped protective layer, an optical fiber ribbon is provided between the inner first partition and the side wall corresponding to the second diamond-shaped protective layer, and an optical fiber ribbon is provided between two adjacent first partitions, and two second partitions are respectively provided on the two side walls of another first diamond-shaped protective layer close to the second diamond-shaped protective layer, the second partition is parallel to the side wall corresponding to the second diamond-shaped protective layer, an optical fiber ribbon is provided between the inner second partition and the side wall corresponding to the second diamond-shaped protective layer, and an optical fiber ribbon is provided between two adjacent second partitions, the first partitions and the second partitions corresponding to the two sides of the second diamond-shaped protective layer are abutted against each other, and the first partition and the second partition on the same side of the long axis of the second diamond-shaped protective layer are located between the straight lines where the side walls of the two first diamond-shaped protective layers on the corresponding side of the long axis of the second diamond-shaped protective layer are away from the second diamond-shaped protective layer.

[0016] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the fourth support plates of the six support components are plugged into the same fixed bracket, the fixed bracket is in a ✲ shape, and the fourth support plate is plugged into the corresponding bracket groove.

[0017] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the optical fiber ribbon is formed by at least two optical fibers.

[0018] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the loose tube is polybutylene terephthalate.

[0019] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the reinforcement member is a phosphating steel wire or a glass fiber reinforced plastic rod.

[0020] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the supporting component is polybutylene terephthalate.

[0021] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the materials of the first diamond-shaped sheath and the second diamond-shaped sheath are polyethylene or polyvinyl chloride.

[0022] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the loose tube is polybutylene terephthalate.

[0023] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the optical fiber model is G.652 or G.653 or G.654 or G.655 or G.656 or G.656 or A1a or A1b or A1c or A1d or A1e.

[0024] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the conductor is copper or aluminum.

[0025] This application has the following beneficial effects:

[0026] 1. The cable core is composed of six identical supporting components. Only one mold is needed to produce the supporting components, which is convenient for production. When taking the first transmission unit and the second transmission unit inside, there is no need to use tools such as blades to permanently damage the cable core. The construction is convenient, and the supporting components can be reassembled and reused, which is energy-saving and environmentally friendly.

[0027] 2. The third support plate, the fourth support plate and the fifth support plate form a Y-shaped support, which makes the structure of the cable core more stable and is more conducive to protecting the first transmission unit and the second transmission unit in the first cavity and the second cavity.

[0028] 3. Six supporting components form twelve cavities, which can accommodate more first transmission units and second transmission units, making the density of transmission units in the cable core higher.

[0029] 4. There are two reinforcement members on both sides of the first transmission unit, so that the first transmission unit has stronger tensile strength.

[0030] 5. The two reinforcement members of the first transmission unit are embedded in the two included angles of the diamond-shaped first cavity, so that the second diamond-shaped protective layer of the first transmission unit does not contact the supporting component, thereby preventing the transmission unit in the second diamond-shaped protective layer from being squeezed.

[0031] 6. The second diamond-shaped protective layer does not contact the supporting component, thereby improving the heat dissipation efficiency of the conductor in the second diamond-shaped protective layer.

[0032] 7. A first partition and a second partition are provided on both sides of the second diamond-shaped sheath, and optical fiber ribbons are provided in adjacent partitions, further increasing the density of optical fibers in the optical cable.

[0033] 8. The corresponding first partition or second partition is not fixed, which is convenient for taking the optical fiber ribbon. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1This is a schematic diagram of the three-dimensional structure of a section of Example 1.

[0035] Figure 2 This is a schematic structural diagram of the end face of Example 1.

[0036] Figure 3 This is a schematic structural diagram of the end face of the cable core of Example 1.

[0037] Figure 4 This is a schematic diagram of the three-dimensional structure of the support plate of Example 1.

[0038] Figure 5 This is a schematic structural diagram of the end surface of the support plate of Example 1.

[0039] Figure 6 It is a schematic diagram of the three-dimensional structure of the first transmission unit of Example 1.

[0040] Figure 7 This is a schematic structural diagram of the end surface of the first transmission unit of Example 1.

[0041] Figure 8 This is a schematic diagram of the three-dimensional structure of a section of Example 2.

[0042] Fig. 9 This is a schematic structural diagram of the end face of Example 2.

[0043] Fig.10 It is a schematic diagram of the three-dimensional structure of the first transmission unit of Example 2.

[0044] Fig.11 This is a schematic structural diagram of the end surface of the first transmission unit of Example 2.

[0045] Fig.12 This is a schematic diagram of the three-dimensional structure of the first transmission unit of Example 3.

[0046] Fig.13 This is a schematic structural diagram of the end surface of the first transmission unit of Example 3.

[0047] In the figure: 1. outer sheath, 2. fireproof layer, 3. inner sheath, 4. cable core, 41. supporting component, 411. first supporting plate, 412. second supporting plate, 413. containing groove, 414. third supporting plate, 415. fourth supporting plate, 416. fifth supporting plate, 42. first containing cavity, 43. second containing cavity, 5. first transmission unit, 51. first diamond sheath, 52. second diamond sheath, 53. reinforcement, 54. conductor, 55. first partition, 56. second partition, 57. optical fiber ribbon, 58. optical fiber, 6. second transmission unit. DETAILED DESCRIPTION Example 1

[0048] like Figures 1 to 7 , a flame-retardant composite optical cable for 5G network, comprising an outer sheath 1, a fireproof layer 2, and an inner sheath 3, wherein the outer sheath 1 is located at the outermost side, the fireproof layer 2 is located between the outer sheath 1 and the inner sheath 3, the outer sheath 1 is made of flame-retardant polyolefin, characterized in that: a regular hexagonal cable core 4 is provided in the inner sheath 3, the cable core 4 is composed of six supporting components 41, the supporting component 41 is composed of a first supporting plate 411, a second supporting plate 412, a third supporting plate 414, a fourth supporting plate 415 and a fifth supporting plate 416, one end of the first supporting plate 411 is connected to one end of the second supporting plate 412, the other end of the second supporting plate 412 is connected to one end of the third supporting plate 414, the other end of the third supporting plate 414 is connected to one end of the fifth supporting plate 416, and the connection between the third supporting plate 414 and the fifth supporting plate 416 is connected to one end of the fourth supporting plate 415;

[0049] The angle between the first support plate 411 and the second support plate 412 is 120°, the angle between the second support plate 412 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the fifth support plate 416 is 120°, the angle between the third support plate 414 and the fifth support plate 416 is 120°, the second support plate 412 and the fifth support plate 416 are parallel, the first support plate 411 and the fourth support plate 415 are parallel, and a receiving groove 413 is formed among the first support plate 411, the second support plate 412, the third support plate 414 and the fourth support plate 415;

[0050] The other ends of the fourth support plates 415 of the six support components 41 converge at the same point and are fixed. In the clockwise direction, the third support plate 414, the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 are located in the receiving groove 413 of the next support component 41. The other end of the fifth support plate 416 of the previous support component 41 abuts against the connection between the second support plate 412 and the third support plate 414 of the next support component 41. The second support plate 412 of the previous support component 41 and the first support plate 411 of the next support component 41 are located in the same straight line. The other end of the first support plate 411 of the next support component 41 fits with the connection between the second support plate 412 and the third support plate 414 of the previous support component 41.

[0051] The third support plate 414 and the fifth support plate 416 of the previous support component 41 and the first support plate 411 and the second support plate 412 of the next support component 41 form a rhombus-shaped first cavity 42, and the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 and the third support plate 414 and the fourth support plate 415 of the next support component 41 form a rhombus-shaped second cavity 43;

[0052] A first transmission unit 5 is provided in the first cavity 42, a second transmission unit 6 is provided in the second cavity 43, the second transmission unit 6 is composed of a loose tube and at least one optical fiber 58 located in the loose tube, the first transmission unit 5 is composed of two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52, the second diamond-shaped sheath 52 is located between the two first transmission units 5 and connected in sequence, and the major axes of the two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52 are located on the same straight line;

[0053] A reinforcement piece 53 is provided in the first diamond-shaped protective layer 51, and a conductor 54 is provided in the second diamond-shaped protective layer 52. In the clockwise direction, two side walls of one first diamond-shaped protective layer 51 away from the second diamond-shaped protective layer 52 are respectively fitted with the fifth support plate 416 of the previous support component 41 and the second support plate 412 of the next support component 41, and two side walls of another first diamond-shaped protective layer 51 away from the second diamond-shaped protective layer 52 are respectively fitted with the third support plate 414 and the first support plate 411 of the previous support component 41.

[0054] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the loose tube is polybutylene terephthalate.

[0055] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the reinforcement member 53 is a phosphating steel wire or a glass fiber reinforced plastic rod. Example 2

[0056] like Figures 8 to 11 , and refer to Figures 3 to 5 , a flame-retardant composite optical cable for 5G network, comprising an outer sheath 1, a fireproof layer 2, and an inner sheath 3, wherein the outer sheath 1 is located at the outermost side, the fireproof layer 2 is located between the outer sheath 1 and the inner sheath 3, the outer sheath 1 is made of flame-retardant polyolefin, characterized in that: a regular hexagonal cable core 4 is provided in the inner sheath 3, the cable core 4 is composed of six supporting components 41, the supporting component 41 is composed of a first supporting plate 411, a second supporting plate 412, a third supporting plate 414, a fourth supporting plate 415 and a fifth supporting plate 416, one end of the first supporting plate 411 is connected to one end of the second supporting plate 412, the other end of the second supporting plate 412 is connected to one end of the third supporting plate 414, the other end of the third supporting plate 414 is connected to one end of the fifth supporting plate 416, and the connection between the third supporting plate 414 and the fifth supporting plate 416 is connected to one end of the fourth supporting plate 415;

[0057] The angle between the first support plate 411 and the second support plate 412 is 120°, the angle between the second support plate 412 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the fifth support plate 416 is 120°, the angle between the third support plate 414 and the fifth support plate 416 is 120°, the second support plate 412 and the fifth support plate 416 are parallel, the first support plate 411 and the fourth support plate 415 are parallel, and a receiving groove 413 is formed among the first support plate 411, the second support plate 412, the third support plate 414 and the fourth support plate 415;

[0058] The other ends of the fourth support plates 415 of the six support components 41 converge at the same point and are fixed. In the clockwise direction, the third support plate 414, the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 are located in the receiving groove 413 of the next support component 41. The other end of the fifth support plate 416 of the previous support component 41 abuts against the connection between the second support plate 412 and the third support plate 414 of the next support component 41. The second support plate 412 of the previous support component 41 and the first support plate 411 of the next support component 41 are located in the same straight line. The other end of the first support plate 411 of the next support component 41 fits with the connection between the second support plate 412 and the third support plate 414 of the previous support component 41.

[0059] The third support plate 414 and the fifth support plate 416 of the previous support component 41 and the first support plate 411 and the second support plate 412 of the next support component 41 form a rhombus-shaped first cavity 42, and the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 and the third support plate 414 and the fourth support plate 415 of the next support component 41 form a rhombus-shaped second cavity 43;

[0060] A first transmission unit 5 is provided in the first cavity 42, a second transmission unit 6 is provided in the second cavity 43, the second transmission unit 6 is composed of a loose tube and at least one optical fiber 58 located in the loose tube, the first transmission unit 5 is composed of two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52, the second diamond-shaped sheath 52 is located between the two first transmission units 5 and connected in sequence, the long axes of the two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52 are located on the same straight line, two first partitions 55 are respectively provided on the two side walls of a first diamond-shaped sheath 51 close to the second diamond-shaped sheath 52, the first partitions 55 are parallel to the side walls corresponding to the second diamond-shaped sheath 52, and an optical fiber ribbon 57 is provided between the inner first partition 55 and the side walls corresponding to the second diamond-shaped sheath 52 , an optical fiber ribbon 57 is provided between two adjacent first partitions 55, two second partitions 56 are respectively provided on the two side walls of another first diamond-shaped protective layer 51 close to the second diamond-shaped protective layer 52, the second partitions 56 are parallel to the side walls corresponding to the second diamond-shaped protective layer 52, an optical fiber ribbon 57 is provided between the inner second partition 56 and the side wall corresponding to the second diamond-shaped protective layer 52, an optical fiber ribbon 57 is provided between two adjacent second partitions 56, the first partitions 55 and the second partitions 56 corresponding to the two sides of the second diamond-shaped protective layer 52 are abutted, and the first partitions 55 and the second partitions 56 on the same side of the long axis of the second diamond-shaped protective layer 52 are located between the straight lines where the side walls of the two first diamond-shaped protective layers 51 away from the second diamond-shaped protective layer 52 are located on the corresponding side of the long axis of the second diamond-shaped protective layer 52;

[0061] A reinforcement piece 53 is provided in the first diamond-shaped protective layer 51, and a conductor 54 is provided in the second diamond-shaped protective layer 52. In the clockwise direction, two side walls of one first diamond-shaped protective layer 51 away from the second diamond-shaped protective layer 52 are respectively fitted with the fifth support plate 416 of the previous support component 41 and the second support plate 412 of the next support component 41, and two side walls of another first diamond-shaped protective layer 51 away from the second diamond-shaped protective layer 52 are respectively fitted with the third support plate 414 and the first support plate 411 of the previous support component 41.

[0062] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the material of the loose tube is polybutylene terephthalate.

[0063] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the reinforcement member 53 is a phosphating steel wire or a glass fiber reinforced plastic rod.

[0064] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the optical fiber ribbon 57 is formed by at least two optical fibers 58 being connected in a ribbon. Example 3

[0065] like Figure 12 to Figure 13, and refer to Figures 1 to 5 , a flame-retardant composite optical cable for 5G network, comprising an outer sheath 1, a fireproof layer 2, and an inner sheath 3, wherein the outer sheath 1 is located at the outermost side, the fireproof layer 2 is located between the outer sheath 1 and the inner sheath 3, the outer sheath 1 is made of flame-retardant polyolefin, characterized in that: a regular hexagonal cable core 4 is provided in the inner sheath 3, the cable core 4 is composed of six supporting components 41, the supporting component 41 is composed of a first supporting plate 411, a second supporting plate 412, a third supporting plate 414, a fourth supporting plate 415 and a fifth supporting plate 416, one end of the first supporting plate 411 is connected to one end of the second supporting plate 412, the other end of the second supporting plate 412 is connected to one end of the third supporting plate 414, the other end of the third supporting plate 414 is connected to one end of the fifth supporting plate 416, and the connection between the third supporting plate 414 and the fifth supporting plate 416 is connected to one end of the fourth supporting plate 415;

[0066] The angle between the first support plate 411 and the second support plate 412 is 120°, the angle between the second support plate 412 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the third support plate 414 is 120°, the angle between the fourth support plate 415 and the fifth support plate 416 is 120°, the angle between the third support plate 414 and the fifth support plate 416 is 120°, the second support plate 412 and the fifth support plate 416 are parallel, the first support plate 411 and the fourth support plate 415 are parallel, and a receiving groove 413 is formed among the first support plate 411, the second support plate 412, the third support plate 414 and the fourth support plate 415;

[0067] The other ends of the fourth support plates 415 of the six support components 41 converge at the same point and are fixed. In the clockwise direction, the third support plate 414, the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 are located in the receiving groove 413 of the next support component 41. The other end of the fifth support plate 416 of the previous support component 41 abuts against the connection between the second support plate 412 and the third support plate 414 of the next support component 41. The second support plate 412 of the previous support component 41 and the first support plate 411 of the next support component 41 are located in the same straight line. The other end of the first support plate 411 of the next support component 41 fits with the connection between the second support plate 412 and the third support plate 414 of the previous support component 41.

[0068] The third support plate 414 and the fifth support plate 416 of the previous support component 41 and the first support plate 411 and the second support plate 412 of the next support component 41 form a rhombus-shaped first cavity 42, and the fourth support plate 415 and the fifth support plate 416 of the previous support component 41 and the third support plate 414 and the fourth support plate 415 of the next support component 41 form a rhombus-shaped second cavity 43;

[0069] A first transmission unit 5 is provided in the first cavity 42, a second transmission unit 6 is provided in the second cavity 43, the second transmission unit 6 is composed of a loose tube and at least one optical fiber 58 located in the loose tube, the first transmission unit 5 is composed of two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52, the second diamond-shaped sheath 52 is located between the two first transmission units 5 and connected in sequence, the long axes of the two first diamond-shaped sheaths 51 and one second diamond-shaped sheath 52 are located on the same straight line, two first partitions 55 are respectively provided on the two side walls of a first diamond-shaped sheath 51 close to the second diamond-shaped sheath 52, the first partitions 55 are parallel to the side walls corresponding to the second diamond-shaped sheath 52, and an optical fiber ribbon 57 is provided between the inner first partition 55 and the side walls corresponding to the second diamond-shaped sheath 52 , an optical fiber ribbon 57 is provided between two adjacent first partitions 55, two second partitions 56 are respectively provided on the two side walls of another first diamond-shaped protective layer 51 close to the second diamond-shaped protective layer 52, the second partitions 56 are parallel to the side walls corresponding to the second diamond-shaped protective layer 52, an optical fiber ribbon 57 is provided between the inner second partition 56 and the side wall corresponding to the second diamond-shaped protective layer 52, an optical fiber ribbon 57 is provided between two adjacent second partitions 56, the first partitions 55 and the second partitions 56 corresponding to the two sides of the second diamond-shaped protective layer 52 are abutted, and the first partitions 55 and the second partitions 56 on the same side of the long axis of the second diamond-shaped protective layer 52 are located between the straight lines where the side walls of the two first diamond-shaped protective layers 51 away from the second diamond-shaped protective layer 52 are located on the corresponding side of the long axis of the second diamond-shaped protective layer 52;

[0070] A conductor 54 is provided in the first diamond-shaped sheath 51, and at least one optical fiber 58 is provided in the second diamond-shaped sheath 52. In the clockwise direction, two side walls of one first diamond-shaped sheath 51 away from the second diamond-shaped sheath 52 are respectively fitted with the fifth support plate 416 of the previous support component 41 and the second support plate 412 of the next support component 41, and two side walls of another first diamond-shaped sheath 51 away from the second diamond-shaped sheath 52 are respectively fitted with the third support plate 414 and the first support plate 411 of the previous support component 41.

[0071] The above-mentioned flame-retardant composite optical cable for 5G network is characterized in that the optical fiber ribbon 57 is formed by at least two optical fibers 58 being connected in a ribbon.

[0072] Furthermore, the flame-retardant composite optical cable for 5G networks described in the present application is characterized in that the fourth support plate 415 of the six support components 41 is plugged into the same fixed bracket, the fixed bracket is ✲-shaped, and the fourth support plate 415 is plugged into the corresponding bracket groove.

[0073] The flame-retardant composite optical cable for 5G networks described in the present application is characterized in that the material of the inner sheath 3 is flame-retardant polyolefin.

[0074] The flame-retardant composite optical cable for 5G networks described in the present application is characterized in that the material of the supporting component 41 is polybutylene terephthalate.

[0075] The flame-retardant composite optical cable for 5G network described in the present application is characterized in that the material of the first diamond-shaped sheath 51 and the second diamond-shaped sheath 52 is polyethylene or polyvinyl chloride.

[0076] The flame-retardant composite optical cable for 5G networks described in the present application is characterized in that the material of the loose tube is polybutylene terephthalate.

[0077] The flame-retardant composite optical cable for 5G network described in the present application is characterized in that the optical fiber 58 model is G.652 or G.653 or G.654 or G.655 or G.656 or G.656 or A1a or A1b or A1c or A1d or A1e.

[0078] The flame-retardant composite optical cable for 5G networks described in the present application is characterized in that the material of the conductor 54 is copper or aluminum.

[0079] The flame-retardant composite optical cable for 5G networks described in this application is mainly used for the laying of 5G networks.

[0080] This application has the following beneficial effects:

[0081] 1. The cable core is composed of six identical supporting components. Only one mold is needed to produce the supporting components, which is convenient for production. When taking out the first transmission unit 5 and the second transmission unit 6 inside, there is no need to use tools such as blades to permanently damage the cable core 4. It is convenient to take out, and the supporting component 41 can be reassembled and reused, which is energy-saving and environmentally friendly.

[0082] 2. The third support plate 414 , the fourth support plate 415 , and the fifth support plate 416 form a Y-shaped support, which makes the structure of the cable core 4 more stable and is more conducive to protecting the first transmission unit 5 and the second transmission unit 6 in the first cavity 42 and the second cavity 43 .

[0083] 3. The six supporting components 41 form twelve cavities, which can accommodate more first transmission units 5 and second transmission units 6, so that the density of the transmission units in the cable core 4 is higher.

[0084] 4. The first transmission unit 5 has two reinforcement members 53 on both sides, so that the first transmission unit 5 has stronger tensile strength.

[0085] 5. The two reinforcement members 53 of the first transmission unit 5 are embedded in the two included angles of the diamond-shaped first cavity 42, so that the second diamond-shaped protective layer 52 of the first transmission unit 5 does not contact the supporting component 41, thereby preventing the transmission unit in the second diamond-shaped protective layer 52 from being squeezed.

[0086] 6. The second diamond-shaped protective layer 52 does not contact the supporting component 41 , thereby improving the heat dissipation efficiency of the conductor 54 in the second diamond-shaped protective layer 52 .

[0087] 7. A first partition 55 and a second partition 56 are provided on both sides of the second diamond-shaped sheath 52, and an optical fiber ribbon 57 is provided in the adjacent partitions, further increasing the density of the optical fiber 58 in the optical cable.

[0088] 8. The corresponding first partition plate 55 or second partition plate 56 is not fixed, so as to facilitate the use of the optical fiber ribbon 57.

[0089] The above embodiments are only preferred technical solutions of the present utility model and should not be regarded as limitations of the present utility model. The protection scope of the present utility model shall be the technical solution recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solution recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present utility model.

Claims

1. A flame-retardant composite optical cable for 5G network, comprising an outer sheath (1), a fireproof layer (2), and an inner sheath (3), wherein the outer sheath (1) is located at the outermost side, the fireproof layer (2) is located between the outer sheath (1) and the inner sheath (3), and the material of the outer sheath (1) is flame-retardant polyolefin, characterized in that: A regular hexagonal cable core (4) is provided in the inner sheath (3), the cable core (4) is composed of six support components (41), the support components (41) are composed of a first support plate (411), a second support plate (412), a third support plate (414), a fourth support plate (415) and a fifth support plate (416), one end of the first support plate (411) is connected to one end of the second support plate (412), the other end of the second support plate (412) is connected to one end of the third support plate (414), the other end of the third support plate (414) is connected to one end of the fifth support plate (416), and the connection between the third support plate (414) and the fifth support plate (416) is connected to one end of the fourth support plate (415); The angle between the first support plate (411) and the second support plate (412) is 120°, the angle between the second support plate (412) and the third support plate (414) is 120°, the angle between the fourth support plate (415) and the third support plate (414) is 120°, the angle between the fourth support plate (415) and the fifth support plate (416) is 120°, the angle between the third support plate (414) and the fifth support plate (416) is 120°, the second support plate (412) and the fifth support plate (416) are parallel, the first support plate (411) and the fourth support plate (415) are parallel, and a receiving groove (413) is formed between the first support plate (411), the second support plate (412), the third support plate (414) and the fourth support plate (415); The other ends of the fourth support plates (415) of the six support components (41) converge at the same point and are fixed; along the clockwise direction, the third support plate (414), the fourth support plate (415) and the fifth support plate (416) of the previous support component (41) are located in the receiving groove (413) of the next support component (41); the other end of the fifth support plate (416) of the previous support component (41) abuts against the connection between the second support plate (412) and the third support plate (414) of the next support component (41); the second support plate (412) of the previous support component (41) and the first support plate (411) of the next support component (41) are located in the same straight line; the other end of the first support plate (411) of the next support component (41) fits with the connection between the second support plate (412) and the third support plate (414) of the previous support component (41); The third support plate (414) and the fifth support plate (416) of the preceding support component (41) and the first support plate (411) and the second support plate (412) of the succeeding support component (41) form a rhombus-shaped first cavity (42); the fourth support plate (415) and the fifth support plate (416) of the preceding support component (41) and the third support plate (414) and the fourth support plate (415) of the succeeding support component (41) form a rhombus-shaped second cavity (43); A first transmission unit (5) is provided in the first cavity (42), and an optical communication component is provided in the first transmission unit (5); a second transmission unit (6) is provided in the second cavity (43), and a conductor (54) is provided in the second transmission unit (6); the material of the conductor (54) is copper or aluminum.

2. The flame-retardant composite optical cable for 5G network according to claim 1, characterized in that: The second transmission unit (6) is composed of a loose tube and at least one optical fiber (58) located in the loose tube.

3. The flame-retardant composite optical cable for 5G network according to claim 1, characterized in that: The first transmission unit (5) is composed of two first rhombus-shaped protective layers (51) and a second rhombus-shaped protective layer (52), the second rhombus-shaped protective layer (52) is located between the two first transmission units (5) and connected in sequence, and the long axes of the two first rhombus-shaped protective layers (51) and the one second rhombus-shaped protective layer (52) are located on the same straight line; A conductor (54) is provided in the first diamond-shaped sheath (51), and at least one optical fiber (58) is provided in the second diamond-shaped sheath (52). In the clockwise direction, two side walls of one first diamond-shaped sheath (51) away from the second diamond-shaped sheath (52) are respectively fitted with the fifth support plate (416) of the preceding support component (41) and the second support plate (412) of the following support component (41), and two side walls of another first diamond-shaped sheath (51) away from the second diamond-shaped sheath (52) are respectively fitted with the third support plate (414) of the preceding support component (41) and the first support plate (411).

4. The flame-retardant composite optical cable for 5G network according to claim 1, characterized in that: The first transmission unit (5) is composed of two first rhombus-shaped protective layers (51) and a second rhombus-shaped protective layer (52), the second rhombus-shaped protective layer (52) is located between the two first transmission units (5) and connected in sequence, and the long axes of the two first rhombus-shaped protective layers (51) and the one second rhombus-shaped protective layer (52) are located on the same straight line; A reinforcing member (53) is provided in the first rhombus-shaped protective layer (51), and a conductor (54) is provided in the second rhombus-shaped protective layer (52). In a clockwise direction, two side walls of one first rhombus-shaped protective layer (51) away from the second rhombus-shaped protective layer (52) are respectively fitted with a fifth support plate (416) of a preceding support component (41) and a second support plate (412) of a succeeding support component (41), and two side walls of another first rhombus-shaped protective layer (51) away from the second rhombus-shaped protective layer (52) are respectively fitted with a third support plate (414) of a preceding support component (41) and a first support plate (411).

5. A flame-retardant composite optical cable for 5G network according to claim 3 or claim 4, characterized in that: Two first partitions (55) are respectively arranged on the two side walls of the first diamond-shaped protective layer (51) close to the second diamond-shaped protective layer (52), the first partitions (55) are parallel to the side walls corresponding to the second diamond-shaped protective layer (52), an optical fiber ribbon (57) is arranged between the inner first partition (55) and the side wall corresponding to the second diamond-shaped protective layer (52), an optical fiber ribbon (57) is arranged between two adjacent first partitions (55), and two second partitions (56) are respectively arranged on the two side walls of the other first diamond-shaped protective layer (51) close to the second diamond-shaped protective layer (52), the second partitions (56) and the second diamond-shaped protective layer (52) are parallel to each other. ), an optical fiber ribbon (57) is arranged between the inner second partition plate (56) and the side wall corresponding to the second diamond-shaped protective layer (52), an optical fiber ribbon (57) is arranged between two adjacent second partition plates (56), the first partition plates (55) and the second partition plates (56) corresponding to the two sides of the second diamond-shaped protective layer (52) are abutted against each other, and the first partition plates (55) and the second partition plates (56) on the same side of the long axis of the second diamond-shaped protective layer (52) are located between the straight lines where the side walls of the two first diamond-shaped protective layers (51) away from the second diamond-shaped protective layer (52) are located on the corresponding side of the long axis of the second diamond-shaped protective layer (52).

6. The flame-retardant composite optical cable for 5G network according to claim 5, characterized in that: The fourth support plates (415) of the six support components (41) are plugged into the same fixed bracket, the fixed bracket is in a ✲ shape, and the fourth support plates (415) are plugged into corresponding bracket grooves.

7. The flame-retardant composite optical cable for 5G network according to claim 5, characterized in that: The optical fiber ribbon (57) is formed by combining at least two optical fibers (58).

8. The flame-retardant composite optical cable for 5G network according to claim 2, characterized in that: The material of the loose tube is polybutylene terephthalate.

9. The flame-retardant composite optical cable for 5G network according to claim 4, characterized in that: The reinforcement member (53) is a phosphating steel wire or a glass fiber reinforced plastic rod.

10. The flame-retardant composite optical cable for 5G network according to claim 5, characterized in that: The material of the supporting component (41) is polybutylene terephthalate.

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