CN115762896A - Indoor photoelectric composite cable for 5G communication and preparation method thereof - Google Patents
Indoor photoelectric composite cable for 5G communication and preparation method thereof Download PDFInfo
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- CN115762896A CN115762896A CN202211467111.4A CN202211467111A CN115762896A CN 115762896 A CN115762896 A CN 115762896A CN 202211467111 A CN202211467111 A CN 202211467111A CN 115762896 A CN115762896 A CN 115762896A
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Abstract
The invention discloses an indoor photoelectric composite cable for 5G communication, which comprises a composite cable protective layer, and an optical unit and an electric unit which are arranged in the composite cable protective layer, wherein the composite cable protective layer is provided with a plurality of tearing units, each tearing unit comprises an inclined tearing opening which is inclined on the composite cable protective layer and enables the electric unit to form a tearing structure on the composite cable protective layer, and a straight tearing opening which is straight on the composite cable protective layer and enables the optical unit to form the tearing structure on the composite cable protective layer; the indoor photoelectric composite cable for 5G communication and the preparation method thereof have higher flexibility, and can enable the optical unit and the electric unit to be torn independently.
Description
Technical Field
The invention relates to an indoor photoelectric composite cable for 5G communication and a preparation method thereof.
Background
The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.
The existing photoelectric composite cable is as in the Chinese invention patent with application number 202010026238.7, a photoelectric composite cable for 4G/5G small base station and its preparation process, wherein it is disclosed that the cable comprises an optical unit, an electric unit and a sheath layer, the two electric units are arranged in parallel side by side, the optical unit is arranged in the middle between the two electric units, and the sheath layer is arranged outside the electric unit and the optical unit; the optical unit comprises two-core tightly-sleeved optical fiber, aramid yarn and a metal armored hose, the outer part of the two-core tightly-sleeved optical fiber is subjected to tensile protection by the aramid yarn, the two-core tightly-sleeved optical fiber is armored by the metal armored hose, the outer part of the two-core tightly-sleeved optical fiber is provided with a tightly-sleeved layer, the upper surface and the lower surface of the sheathing layer are respectively provided with an electric unit cable stripping groove and an optical unit cable opening groove, the electric unit cable stripping groove corresponds to an electric unit, the optical unit cable opening groove corresponds to an optical unit, and the tearing structure of the photoelectric composite cable in the technology adopts the design of the electric unit cable stripping groove and the optical unit cable opening groove.
Also for example, the chinese patent with application number 202110419775.2 discloses an optical-electrical composite cable and an optical-electrical system, wherein "the optical-electrical composite cable comprises a composite cable protector, a first tearing unit, a second tearing unit, a first optical fiber, an optical unit reinforcement, a first conductor and a second conductor; the first tearing unit and the second tearing unit are used for separating the composite cable protective body along a first tearing surface; the first optical fiber, the optical unit strength member, the first conductor, and the second conductor extend along an axial direction of the optical-electrical composite cable inside the composite cable protective body; the first optical fiber and the optical unit reinforcing member are located on one side of the first tearing surface, the first conductor and the second conductor are located on the other side of the first tearing surface, and the first conductor and the second conductor are separated from each other.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an indoor 5G communication photoelectric composite cable which is higher in flexibility and can enable an optical unit and an electric unit to be torn independently and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides an indoor photoelectricity composite cable is used in 5G communication, includes the composite cable protective layer, and sets up optical unit and electric unit in the composite cable protective layer, has a plurality of units of tearing on this composite cable protective layer, should tear the unit including be on the composite cable protective layer to one side form, make electric unit form on the composite cable protective layer to tear the mouth to one side of tearing from the structure, and be on the composite cable protective layer straight form, make optical unit form on the composite cable protective layer and tear the mouth directly of tearing of structure.
Preferably, the electrical unit forms a surround for a light unit, which is located between at least two electrical units.
Preferably, the inclined tearing opening comprises an outer inclined opening arranged on the surface layer of the composite cable protective layer and an inner inclined opening arranged inside the composite cable protective layer.
Preferably, the external bezel is disposed at an abutting side of the electrical unit, and a bezel tear line is formed at the electrical unit by at least two external bezels.
Preferably, the inner bezel is located adjacent to the diagonal tear-off line and the diagonal tear-off line through the light unit is formed by at least two inner bezels.
Preferably, the straight tear is provided at a surface layer of the composite cable protective layer in abutment with the optical unit and forms a straight tear line through the optical unit.
Preferably, the optical unit is provided with more than one, each optical unit is at least adjacent to one inclined tearing opening or straight tearing opening, the electric unit is provided with more than one, and each electric unit is at least adjacent to two inclined tearing openings.
Preferably, the composite cable protective layer comprises the following raw materials: low density polyethylene, medium density polyethylene, linear low density polyethylene, calcium carbonate, talc, silica, silane coupling agent, fatty acid lubricant, the low density polyethylene and the linear low density polyethylene having a melt index of 0.5 to 1.5.
The invention provides a preparation method of an indoor photoelectric composite cable for 5G communication, which comprises the following steps:
taking low-density polyethylene and linear low-density polyethylene for melt blending, then adding medium-density polyethylene and carrying out secondary melt blending;
adding calcium carbonate, talcum powder, silicon dioxide, silane coupling agent and fatty acid lubricant into a melt blending material, and uniformly stirring to obtain a molten material;
taking a first mould, arranging the light units in the first mould, and pouring the molten material into the first mould to form a composite cable protective layer with the light units;
and taking the second mold, loading a stripping piece at the position of an inner bevel opening of the composite cable protective layer with the optical unit, and pouring the molten material to form the composite cable protective layer with the optical unit and the electric unit.
Preferably, the first die is matched with the oblique tearing line in shape and provided with an inner notch position matched with the inner oblique opening, and the second die wraps the first die and is provided with an outer notch position matched with the straight tearing opening.
The invention has the beneficial effects that:
through adopting to make the electric unit form on the composite cable protective layer to tear the structure from the oblique tear seam of structure and make the optical unit form the structure of tearing the straight tear seam of structure on the composite cable protective layer for optical unit and the electric unit on this composite cable protective layer can directly independently tear and separate and tear, and tear at electric unit or optical unit and do not influence all the other optical units and electric units from the back, compare in traditional directly tearing from/tear the structure, adopted to tear to one side and torn the structure from tearing and improve its flexibility.
Drawings
Fig. 1 is a schematic structural view of an indoor photoelectric composite cable for 5G communication according to the present invention;
fig. 2 is a schematic structural view of another embodiment of the indoor photoelectric composite cable for 5G communication according to the present invention;
fig. 3 is a schematic structural view of another embodiment of the indoor optical-electrical composite cable for 5G communication according to the present invention;
fig. 4 is a first mold structure view of the indoor optical electrical composite cable for 5G communication according to the present invention;
FIG. 5 is a second mold structure of the indoor optical/electrical composite cable for 5G communication according to the present invention;
fig. 6 is a combined structure diagram of a first mold and a second mold of the indoor photoelectric composite cable for 5G communication according to the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. The invention is more particularly described in the following paragraphs with reference to the accompanying drawings by way of example. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The indoor photoelectric composite cable for 5G communication provided by the embodiment of the present application includes a composite cable protection layer 1, and an optical unit 2 and an electrical unit 3 which are arranged in the composite cable protection layer 1, the composite cable protection layer 1 is provided with a plurality of tearing units 4, the tearing units 4 include an inclined tearing opening 41 which is inclined on the composite cable protection layer 1 and enables the electrical unit 3 to form a tearing structure on the composite cable protection layer 1, and a straight tearing opening 42 which is straight on the composite cable protection layer 1 and enables the optical unit 2 to form a tearing structure on the composite cable protection layer 1, the inclined tearing opening 41 can adopt a straight V-shaped slit, and can also adopt an inclined V-shaped slit, etc., generally, the straight V-shaped slit or the inclined V-shaped slit is selected based on different styles of photoelectric composite cables, as in fig. 1, since the inclined tearing opening 41 is simultaneously used for tearing off two electrical units 3, the straight V-shaped slit is adopted, and in fig. 2, since the inclined tearing opening 41 is only used for tearing off one electrical unit 3, the inclined tearing opening is adopted.
The optical unit 3 forms a ring around the optical unit 2, the optical unit 2 is located between at least two optical units 3, the optical-electrical composite cable of the present scheme is mainly used for combining and tearing off a plurality of optical cables and electric cables, preferably an optical-electrical composite cable structure formed by at least four pairs of optical units 2 and electrical units 3, such as a composite cable structure formed by combining four pairs of optical units 2 and electrical units 3 shown in fig. 2 and 3
Referring to fig. 1-2, the inclined tear notch 41 includes an outer inclined notch 411 disposed on the surface layer of the composite cable protection layer 1, and an inner inclined notch 412 disposed inside the composite cable protection layer 1, the outer inclined notch 411 is disposed on the side adjacent to the electrical unit 3, and an inclined tear line is formed at the electrical unit 3 by at least two outer inclined notches 411, the inner inclined notch 412 is disposed adjacent to the inclined tear line, and an inclined tear line passing through the optical unit 2 is formed by at least two inner inclined notches 412, the outer inclined notch 411 is used for independently tearing the electrical unit 3, the tearing is performed depending on the inclined tear line position, and the inclined tear line may be a straight line or an arc line.
This straight tear mouth 42 sets up and forms the adjacency with light unit 2 in the top layer department of compound cable protective layer 1 to form the straight tear line through light unit 2, inside bevel connection 412 is used for tearing the back at the electric unit 3 of this side, tears and sets up to light unit 2, and it tears the direction relative with the position direction of light unit 2, and it tears the mouth and tears off the line position through slanting.
Referring to fig. 3, the optical-electrical composite cable shown in fig. 3 is described as an example, the optical-electrical composite cable is a composite cable structure formed by combining four pairs of optical units 2 and electrical units 3, and has an inner tearing opening located at a central position for matching with the tearing of the optical units 2, the optical-electrical composite cable has an inclined V-shaped split for tearing off the electrical units 3, and a straight V-shaped split for tearing off the optical units 2, and compared to the previous optical-electrical composite cable, the optical-electrical composite cable has an outer tearing structure for independently tearing off the optical units 2.
The optical unit 2 is provided with more than one, and each optical unit 2 at least abuts against one oblique tearing opening 41 or straight tearing opening 42, the electrical unit 3 is provided with more than one, and each electrical unit 3 at least abuts against two oblique tearing openings 41, generally speaking, the matching design of at least four electrical units 3 and four optical units 2 is preferably adopted.
In this embodiment, the composite cable protective layer 1 comprises the following raw materials in parts by weight: the composite cable protective layer 1 made of the components in the proportion has higher tearability because the basic resin composed of the low-density polyethylene and the linear low-density polyethylene is adopted in the embodiment and the medium-density polyethylene is added to improve the tearability and facilitate cutting and tearing compared with the material of straight tear breakage because the low-density polyethylene and the linear low-density polyethylene have two types of straight tear lines and curved tear lines.
In an alternative implementation, the composite cable protective layer 1 comprises the following raw materials in parts by weight: 30 parts of low-density polyethylene, 20 parts of medium-density polyethylene, 30 parts of linear low-density polyethylene, 5 parts of calcium carbonate, 3 parts of talcum powder, 1.5 parts of silicon dioxide, 0.5 part of silane coupling agent and 4 parts of fatty acid lubricant, wherein the low-density polyethylene and the linear low-density polyethylene have a melt index of 1.5, and in consideration of the fact that the scheme adopts an oblique tearing design and the tearing line comprises a straight tearing line and a curved tearing line, the material which is easier to facilitate the breakage of the oblique tearing part is needed compared with the material which is broken by straight tearing, so that the base resin consisting of the low-density polyethylene and the linear low-density polyethylene is adopted in the embodiment, the medium-density polyethylene is added to improve the easy tearing property of the base resin, the cutting and the tearing are easier, and the composite cable protective layer 1 made of the components in the proportion has slightly reduced easy tearing property and higher strength.
It should be noted that, the composite cable protective layer 1 made of the above raw materials is made of halogen-free and smokeless polyethylene materials, and most of the sheaths adopted at present are low-smoke halogen-free sheaths, that is, the sheaths contain halogen element components such as fluorine (F), chlorine (Cl), bromine (Br) and the like, and the scheme adopts indoor use, so that the flame-retardant halogen-free and smokeless components are selected, smoke and toxic gas generated after cable combustion in fire accidents can be greatly reduced, more precious escape time is strived for personnel in the case of fire, and the safety and reliability of the use of the cable protective layer are ensured.
A preparation method of an indoor photoelectric composite cable for 5G communication comprises the following steps:
taking low-density polyethylene and linear low-density polyethylene for melt blending, then adding medium-density polyethylene and carrying out secondary melt blending;
adding calcium carbonate, talcum powder, silicon dioxide, a silane coupling agent and a fatty acid lubricant into a melt blending species, and uniformly stirring to obtain a molten material;
taking a first mould, arranging the light unit 2 in the first mould, and pouring the molten material to form a composite cable protection layer 1 with the light unit 2;
taking the second mold, putting a stripping piece at the position of the inner bevel 412 of the composite cable protection layer 1 with the light unit 2, and pouring the molten material to form the composite cable protection layer 1 with the light unit 2 and the electric unit 3.
The first mold has a shape that matches the shape of the diagonal tear line and has an inner notched location that mates with the inner diagonal cut 412, and the second mold wraps around the first mold and has an outer notched location that mates with the straight tear line 42.
It should be noted that, due to the adoption of the dual processing framework of the first mold and the second mold, the combined position between the first mold and the second mold can be easily torn away, that is, the photoelectric composite cable can be more conveniently torn away along the oblique tear line.
The first mold is shaped as shown in fig. 4, the second mold is shaped as shown in fig. 5, and as can be seen from fig. 4-5, the first mold and the second mold match the shape of the optical-electrical composite cable of fig. 2.
In an alternative implementation, the first die may be a first extrusion port of the extruder, and the second die may be a second extrusion port connected behind the first extrusion port, as shown in fig. 6, the first die and the second die are combined and then installed at the outlet of the extruder, and it should be noted that the ejection member may be replaced by a stopper of the second die.
The beneficial effects of the invention are:
through adopting to make the electric unit form on the composite cable protective layer to tear the structure from the oblique tear seam of structure and make the optical unit form the structure of tearing the straight tear seam of structure on the composite cable protective layer for optical unit and the electric unit on this composite cable protective layer can directly independently tear and separate and tear, and tear at electric unit or optical unit and do not influence all the other optical units and electric units from the back, compare in traditional directly tearing from/tear the structure, adopted to tear to one side and torn the structure from tearing and improve its flexibility.
The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.
Claims (10)
1. The utility model provides a 5G communication is with indoor optoelectrical composite cable, includes the composite cable protective layer, and sets up at intraformational optical unit of composite cable and electric unit, its characterized in that has a plurality of units of tearing on this composite cable protective layer, should tear the unit including be on the composite cable protective layer oblique form, make the electric unit form on the composite cable protective layer and tear the mouth of tearing to one side of structure, and be on the composite cable protective layer straight form, make the optical unit form the straight mouth of tearing the structure on the composite cable protective layer.
2. The indoor photoelectric composite cable for 5G communication according to claim 1, wherein: the electrical unit forms a surround for the optical unit, which is located between at least two electrical units.
3. The indoor optical-electrical composite cable for 5G communication according to claim 1, wherein: the inclined tearing opening comprises an outer inclined opening arranged on the surface layer of the composite cable protective layer and an inner inclined opening arranged inside the composite cable protective layer.
4. The indoor optical-electrical composite cable for 5G communication according to claim 3, wherein: the external bevel connection is arranged on the abutting side of the electric unit, and at least two external bevel connections form a bevel tearing line at the electric unit.
5. The indoor optical-electrical composite cable for 5G communication according to claim 4, wherein: the inner bezel is positioned adjacent to the diagonal tear-off line and at least two inner bezels form the diagonal tear-off line through the light unit.
6. The indoor photoelectric composite cable for 5G communication according to claim 1, wherein: the straight tearing opening is arranged on the surface layer of the composite cable protective layer to abut against the optical unit and form a straight tearing line passing through the optical unit.
7. The indoor optical-electrical composite cable for 5G communication according to claim 1, wherein: the optical unit is provided with more than one, each optical unit at least abuts against one inclined tearing opening or one straight tearing opening, the electric unit is provided with more than one, and each electric unit at least abuts against two inclined tearing openings.
8. The indoor optical-electrical composite cable for 5G communication according to claim 1, wherein: the composite cable protective layer comprises the following raw materials: low density polyethylene, medium density polyethylene, linear low density polyethylene, calcium carbonate, talc, silica, silane coupling agent, fatty acid lubricant, the low density polyethylene and linear low density polyethylene having a melt index of 0.5 to 1.5.
9. A preparation method of an indoor photoelectric composite cable for 5G communication is characterized by comprising the following steps:
taking low-density polyethylene and linear low-density polyethylene for melt blending, then adding medium-density polyethylene and carrying out secondary melt blending;
adding calcium carbonate, talcum powder, silicon dioxide, silane coupling agent and fatty acid lubricant into a melt blending material, and uniformly stirring to obtain a molten material;
taking a first mould, arranging the light units in the first mould, and pouring the molten material into the first mould to form a composite cable protective layer with the light units;
and taking the second mold, putting a stripping piece into the position of the inner bevel opening of the composite cable protective layer with the light unit, and pouring the molten material to form the composite cable protective layer with the light unit and the electric unit.
10. The method of claim 9, wherein the first mold has a shape corresponding to the oblique tear line and has an inner notch corresponding to the inner oblique notch, and the second mold wraps the first mold and has an outer notch corresponding to the straight tear line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211467111.4A CN115762896B (en) | 2022-11-22 | 2022-11-22 | Indoor photoelectric device for 5G communication composite cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211467111.4A CN115762896B (en) | 2022-11-22 | 2022-11-22 | Indoor photoelectric device for 5G communication composite cable and preparation method thereof |
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| CN115762896A true CN115762896A (en) | 2023-03-07 |
| CN115762896B CN115762896B (en) | 2023-06-06 |
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| CN202211467111.4A Active CN115762896B (en) | 2022-11-22 | 2022-11-22 | Indoor photoelectric device for 5G communication composite cable and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180108454A1 (en) * | 2015-05-12 | 2018-04-19 | Jiangsu Etern Company Limited | Ultra-flexible indoor accompanying photoelectric composite cable |
| CN207601374U (en) * | 2017-10-27 | 2018-07-10 | 长飞光纤光缆(上海)有限公司 | A kind of double butterfly mixed light cables of branching type |
| CN111128468A (en) * | 2020-01-10 | 2020-05-08 | 山东太平洋光纤光缆有限公司 | Photoelectric composite cable for 4G/5G small base station and preparation process thereof |
| CN113223771A (en) * | 2021-04-21 | 2021-08-06 | 宏安集团有限公司 | Cluster type butterfly photoelectric composite cable |
| CN216749443U (en) * | 2021-12-28 | 2022-06-14 | 江苏俊知光电通信有限公司 | Multi-core easy-to-separate photoelectric hybrid cable for indoor wiring |
-
2022
- 2022-11-22 CN CN202211467111.4A patent/CN115762896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180108454A1 (en) * | 2015-05-12 | 2018-04-19 | Jiangsu Etern Company Limited | Ultra-flexible indoor accompanying photoelectric composite cable |
| CN207601374U (en) * | 2017-10-27 | 2018-07-10 | 长飞光纤光缆(上海)有限公司 | A kind of double butterfly mixed light cables of branching type |
| CN111128468A (en) * | 2020-01-10 | 2020-05-08 | 山东太平洋光纤光缆有限公司 | Photoelectric composite cable for 4G/5G small base station and preparation process thereof |
| CN113223771A (en) * | 2021-04-21 | 2021-08-06 | 宏安集团有限公司 | Cluster type butterfly photoelectric composite cable |
| CN216749443U (en) * | 2021-12-28 | 2022-06-14 | 江苏俊知光电通信有限公司 | Multi-core easy-to-separate photoelectric hybrid cable for indoor wiring |
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| CN115762896B (en) | 2023-06-06 |
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