CN212724795U

CN212724795U - Armored optical cable

Info

Publication number: CN212724795U
Application number: CN202021930062.XU
Authority: CN
Inventors: 彭伟灵; 孙合瑞; 周龙冰
Original assignee: Dongguan Sinosyncs Industrial Co ltd
Current assignee: Dongguan Sinosyncs Industrial Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-03-16
Anticipated expiration: 2030-09-07

Abstract

The utility model belongs to the technical field of the cable, a armor optical cable is disclosed. The armored optical cable comprises a sheath and a cable assembly arranged in the sheath, wherein the cable assembly comprises an optical fiber module, an electric wire module, a power supply module, a reinforcing module and a ground wire which are mutually twisted, the optical fiber module is used for transmitting a USB3.1 signal and/or a USB3.0 signal, the electric wire module is used for transmitting a USB2.0 signal, the optical fiber module comprises a middle quilt and two optical fibers arranged in the middle quilt, and an armored structure is arranged in the middle quilt; the utility model discloses can the multiple USB signal of compatible transmission to can carry out remote transmission to the signal, and can effectively protect optic fibre not because of the exogenic action fracture, effectively reduce maintenance, replacement cost.

Description

Armored optical cable

Technical Field

The utility model relates to a cable technical field especially relates to an armored optical cable.

Background

The existing mainstream USB wire mainly adopts conductive metals such as copper conductors and the like as transmission media of signals, and because the conventional copper conductors are generally not more than 3 meters in length, and the attenuation of signal transmission after the length of the conventional copper conductors exceeds 3 meters is too large, the instability of signal transmission is easily caused, so that the USB wire is not suitable for data transmission at a longer distance. In addition, when signals need to be transmitted at a high speed, taking a copper conductor with the length of 3 meters as an example, the industrial requirements can be met only by making the outer diameter of the wire of the copper conductor 6.5 millimeters, and the overall diameter of the USB wire at the moment is large, so that more use requirements cannot be met.

A USB cable using optical fiber as a signal transmission medium is also popular in the market to meet the requirements of high-speed transmission and long-distance transmission of data. However, since the optical fiber has brittle texture, low mechanical strength and poor tensile strength, it is easily broken and damaged by external force, resulting in failure of signal transmission. And the broken part of the optical fiber is not easy to overhaul and investigate, and the damaged USB wire is often directly replaced in actual use, so that the use cost is greatly increased.

Accordingly, there is a need for an armored fiber optic cable that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an armor optical cable, it can the multiple USB signal of compatible transmission to can carry out remote transmission to the signal, and can effectively protect optic fibre not because of the exogenic action fracture, effectively reduce maintenance, replacement cost.

To achieve the purpose, the utility model adopts the following technical proposal:

the armored optical cable comprises a sheath and a cable assembly arranged in the sheath, wherein the cable assembly comprises an optical fiber module, an electric wire module, a power supply module, a reinforcing module and a ground wire which are mutually twisted, the optical fiber module is used for transmitting a USB3.1 signal and/or a USB3.0 signal, the electric wire module is used for transmitting a USB2.0 signal, the optical fiber module comprises a middle quilt and two optical fibers arranged in the middle quilt, and an armored structure is arranged in the middle quilt.

Preferably, the armor structure is an armor pipe, and the armor pipe is sleeved on the middle cover.

Preferably, the armor tube is a stainless steel tube.

Preferably, the wire module includes two signal wires, each signal wire includes a first conductor and a first insulating layer, the first insulating layer covers the first conductor, and the first conductor has a gauge of 28 AWG.

Preferably, the wire module further includes a second insulating layer, and the two signal lines are commonly disposed in the second insulating layer.

Preferably, the power supply module comprises two power supply lines, each power supply line comprises a second conductor and a third insulating layer, the third insulating layer wraps the second conductor, and the specification of the second conductor is 20 AWG.

Preferably, the reinforcing module comprises a plurality of aramid fibers, the aramid fibers are distributed in any gap of the sheath, and the aramid fibers, the optical fiber module, the electric wire module, the power supply module, the reinforcing module and the ground wire are jointly twisted to form the cable assembly.

Preferably, the armored optical cable further comprises a shielding layer, and the shielding layer covers the cable assembly and is positioned between the sheath and the cable assembly. Through this setting can effectively shield the signal transmission interference of outside to the armoured optical cable.

Preferably, the shielding layer is an aluminum foil piece.

Preferably, the optical fiber has a specification of OM3, and the ground wire has a specification of 28 AWG. The optical fiber module formed by the optical fiber with the specification of OM3 is a multimode optical fiber, the signal attenuation is smaller, and the longer-distance signal transmission can be met.

The utility model has the advantages that:

the utility model transmits USB3.1 signals and/or USB3.0 signals through the optical fiber module and transmits USB2.0 signals through the electric wire module, on one hand, the utility model can compatibly transmit various USB signals; on the other hand, the attenuation of the signal in the optical fiber transmission process is small, so that the USB3.1 signal and/or the USB3.0 signal can be transmitted in a long distance through the optical fiber module, and the wire module is only used for transmitting the USB2.0 signal with lower requirement on the transmission speed, so that the outer diameter of the wire module is not required to be large, and the overall diameter of the wire is effectively reduced; on the other hand, being provided with the armor structure in the optic fibre module, two optic fibre are located in by, and the armor structure can effectively protect and promote greatly two optic fibre the utility model discloses a resistance to compression, tensile strength can avoid optic fibre because of the exogenic action fracture, effectively reduce maintenance, replacement cost.

Drawings

FIG. 1 is a schematic cross-sectional distribution of an armored fiber optic cable of the present invention;

fig. 2 is a schematic cross-sectional distribution diagram of the optical fiber module according to the present invention;

fig. 3 is a schematic cross-sectional distribution diagram of the wire module according to the present invention;

fig. 4 is a schematic cross-sectional distribution diagram of the power cord of the present invention.

In the figure:

100. an armored optical cable; 10. a sheath; 20. a cable assembly; 21. an optical fiber module; 211. is (II); 212. an optical fiber; 213. an armor structure; 22. a wire module; 221. a signal line; 2211. a first conductor; 2212. a first insulating layer; 222. a second insulating layer; 23. a power supply module; 231. a power line; 2311. a second conductor; 2312. a third insulating layer; 24. a reinforcement module; 25. a ground wire; 30. and a shielding layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 and 2, an armored optical cable 100 of the present embodiment includes a sheath 10 and a cable assembly 20, the cable assembly 20 is disposed in the sheath 10, where the sheath 10 is a PVC (Polyvinyl chloride) sheath 10 with high elasticity, so that the armored optical cable 100 of the present embodiment has high flexibility, and the surface of the armored optical cable 100 is smooth, which effectively improves the use experience.

The cable assembly 20 includes an optical fiber module 21, an electrical wire module 22, a power module 23, a reinforcing module 24, and a ground wire 25 with a 28AWG standard, where the optical fiber module 21 is used for transmitting USB3.1 signals and/or USB3.0 signals, and the electrical wire module 22 is used for transmitting USB2.0 signals, so that the armored cable 100 of the present embodiment can compatibly transmit USB3.1 signals and/or USB3.0 signals, and USB2.0 signals, which meets different types of signal transmission situations.

The optical fiber module 21 includes a middle quilt 211 and two optical fibers 212, the two optical fibers 212 are commonly disposed in the middle quilt 211, the middle quilt 211 is provided with an armor structure 213, and the armor structure 213 has better compression resistance and tensile resistance to protect the optical fibers 212 from being broken by external force. The material of the middle quilt 211 is LSNH (Low smoke non halogen) which has Low smoke discharge when being heated, so that the armored optical cable 100 can be prevented from generating toxic gas due to overhigh temperature when in work.

Preferably, the sheath structure 213 is a sheath tube, and the sheath tube is sleeved on the quilt 211, specifically, the inner wall of the sheath tube is attached to the outer wall of the quilt 211, so as to provide effective protection for the optical fiber 212 through the physical structure of the sheath tube. Further, the armored pipe is a stainless steel pipe, the stainless steel pipe is high in hardness and light in material, compression resistance and tensile resistance of the optical fiber 212 can be guaranteed, and the weight of the unit armored optical cable 100 cannot be excessively increased. The experiment proves that after the armored pipe made of stainless steel is adopted to protect the optical fiber 212, the optical fiber module 21 can ensure that 300N of long-term compression resistance and 100N of long-term tensile resistance are not abnormal, and the requirements of most use occasions are met.

The specification of the optical fiber 212 of the present embodiment is selected to be OM3, and the optical fiber module 21 composed of the optical fibers 212 of the specification is a multimode optical fiber 212, which has smaller signal attenuation and can satisfy the long-distance signal transmission of 10-30 meters. The experiment shows that when the diameter of the optical fiber 212 is 850nm, the attenuation is less than or equal to 3.5 dB/km; when the diameter of the optical fiber 212 is 1300nm, the attenuation thereof is less than or equal to 1.5 dB/km. In addition, the USB3.1 signal and/or the USB3.0 signal are transmitted through the optical fiber 212, the transmission rate of more than 10GBPS can be achieved, noise such as electromagnetic interference and the like can be effectively avoided, and the stability of signal transmission is effectively ensured.

Referring to fig. 1, 3 and 4, the wire module 22 of the present embodiment includes two signal wires 221, each signal wire 221 includes a first conductor 2211, a first insulating layer 2212 and a second insulating layer 222, the first insulating layer 2212 covers the first conductor 2211, and the first conductor 2211 has a size of 28 AWG. The first conductor 2211 is made of copper, but the first conductor 2211 may be made of other conductors, and is not limited herein. The two signal lines 221 are commonly disposed in the second insulating layer 222, and the second insulating layer 222 further protects the two signal lines 221 and reduces signal interference with the optical fiber module 21 through the second insulating layer 222. Preferably, the first insulating layer 2212 of one of the two signal lines 221 is white, and the first insulating layer 2212 of the other signal line is green, so that the user can distinguish the signal lines in the actual use process.

The power module 23 includes two power lines 231, the power line 231 includes a second conductor 2311 and a third insulating layer 2312, the third insulating layer 2312 covers the second conductor 2311, and the second conductor 2311 has a size of 20 AWG. The second conductor 2311 is made of copper, but the second conductor 2311 may be made of other conductors, which is not limited herein. The third insulating layer 2312 of one of the two power lines 231 is red, and the third insulating layer 2312 of the other power line is black, so that the color of the third insulating layer 2312 can be distinguished by a user in an actual use process.

In this embodiment, the first insulating layer 2212, the second insulating layer 222, and the third insulating layer 2312 are all made of HDPE (High Density Polyethylene), which has good heat resistance and cold resistance, good chemical stability, and High rigidity and toughness, and can sufficiently protect the first conductor 2211 and the second conductor 2311.

Referring to fig. 1, the reinforcing module 24 of the present embodiment includes a plurality of aramid filaments, the aramid filaments are distributed in any gap of the sheath 10, and the aramid filaments are twisted together with the optical fiber module 21, the electric wire module 22, the power module 23, the reinforcing module 24, and the ground wire 25 to form the cable assembly 20. Specifically, the aramid filaments are distributed between any adjacent optical fiber module 21, electric wire module 22, power module 23 and ground wire 25, so that the aramid filaments can be mixed and twisted among the optical fiber module 21, electric wire module 22, power module 23 and ground wire 25, thereby enhancing the strength of each part of the armored optical cable 100.

In order to further reduce the external interference to the armored optical cable 100, the armored optical cable 100 of the present embodiment further includes a shielding layer 30, the shielding layer 30 covers the cable assembly 20 and is located between the sheath 10 and the cable assembly 20, that is, the sheath 10 is externally pressed on the outer sidewall of the shielding layer 30, at this time, the shielding layer 30 isolates the interference signal from the outside of the cable assembly 20, so as to ensure the normal signal transmission of the armored optical cable 100. Preferably, the shielding layer 30 is an aluminum foil member, which has a light weight and a good shielding effect, and of course, the shielding layer 30 may also be made of other materials capable of achieving the shielding effect, which is not limited herein.

Through the above setting, the outer diameter of the wire of the armored optical cable 100 of the embodiment can be 4.5 mm, and the outer diameter of the wire of the conventional copper conductor with the length of 3 m needs to meet the high-speed signal transmission standard, and the outer diameter of the wire needs to be 6.5 mm, so that the wire diameter of the armored optical cable 100 of the embodiment can be effectively reduced by 30% -40% compared with the wire diameter of the conventional high-speed transmission cable, thereby more favorably saving the use space and reducing the production cost.

With reference to fig. 1-4, the armored optical cable 100 of the present invention transmits USB3.1 signals and/or USB3.0 signals through the optical fiber module 21, and transmits USB2.0 signals through the electrical wire module 22, so that the present invention can compatibly transmit a plurality of USB signals; on the other hand, the attenuation of the signal in the transmission process of the optical fiber 212 is small, so that the transmission of the USB3.1 signal and/or the USB3.0 signal can be realized by the optical fiber module 21 for long-distance transmission, and the wire module 22 is only used for transmitting the USB2.0 signal with lower requirement on the transmission speed, so that the outer diameter of the wire module 22 is not required to be large, and the overall diameter of the wire is effectively reduced; on the other hand, being provided with armor structure 213 by 211 in the optical fiber module 21, in two optic fibre 212 were located by 211, armor structure 213 can effectively protect and promote greatly two optic fibre 212 the utility model discloses a resistance to compression, tensile strength can avoid optic fibre 212 because of the exogenic action fracture, effectively reduce maintenance, replacement cost.

It should be noted that the protocols, parameters, etc. of the USB3.1 signal, the USB3.0 signal, and the USB2.0 signal referred to in this patent are well known to those skilled in the art and will not be described herein. In addition, "first", "second", and "third" herein are merely for distinguishing between the description and not for special meaning.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An armored optical cable, comprising: the cable assembly (20) comprises a sheath (10) and a cable assembly (20) arranged in the sheath (10), wherein the cable assembly (20) comprises an optical fiber module (21), an electric wire module (22), a power supply module (23), a reinforcing module (24) and a ground wire (25) which are mutually twisted, the optical fiber module (21) is used for transmitting a USB3.1 signal and/or a USB3.0 signal, the electric wire module (22) is used for transmitting a USB2.0 signal, the optical fiber module (21) comprises a middle quilt (211) and two optical fibers (212) arranged in the middle quilt (211), and the middle quilt (211) is provided with an armor structure (213).

2. The armored fiber optic cable of claim 1, wherein: the armor structure (213) is an armor pipe, and the armor pipe is sleeved on the middle quilt (211).

3. The armored fiber optic cable of claim 2, wherein: the armor pipe is a stainless steel pipe.

4. The armored fiber optic cable of claim 1, wherein: the wire module (22) comprises two signal wires (221), wherein each signal wire (221) comprises a first conductor (2211) and a first insulating layer (2212), each first insulating layer (2212) coats each first conductor (2211), and the first conductors (2211) are 28AWG in specification.

5. The armored fiber optic cable of claim 4, wherein: the wire module (22) further comprises a second insulating layer (222), and the two signal wires (221) are arranged in the second insulating layer (222) together.

6. The armored fiber optic cable of claim 1, wherein: the power supply module (23) comprises two power supply lines (231), wherein each power supply line (231) comprises a second conductor (2311) and a third insulating layer (2312), the third insulating layer (2312) coats the second conductor (2311), and the specification of the second conductor (2311) is 20 AWG.

7. The armored fiber optic cable of claim 1, wherein: strengthen module (24) and include a plurality of aramid fiber silk, aramid fiber silk distribute in the arbitrary space of sheath (10), just aramid fiber silk with optic fibre module (21), electric wire module (22), power module (23), strengthen module (24) and ground wire (25) twist jointly and form cable subassembly (20).

8. The armored fiber optic cable of claim 1, wherein: the cable assembly (20) is wrapped by the shielding layer (30), and the shielding layer (30) is located between the sheath (10) and the cable assembly (20).

9. The armored fiber optic cable of claim 8, wherein: the shielding layer (30) is an aluminum foil piece.

10. The armored fiber optic cable of claim 1, wherein: the optical fiber (212) has the specification of OM3, and the ground wire (25) has the specification of 28 AWG.