Photoelectric composite cable for data communication and optical fiber communication

Abstract

The utility model discloses a photoelectric composite cable for data communication and optical fiber communication, which relates to the technical field of cables and comprises an outer sheath, a filling layer nested and connected on the inner side of the outer sheath, a plurality of conductor assemblies used for power transmission fixedly connected in the filling layer, a framework mounted on the inner side of the filling layer, and a tearing rope fixedly connected in the filling layer. A plurality of optical fiber assemblies used for optical fiber communication are connected in the filling layer in a nested mode, the conductor assemblies and the optical fiber assemblies are matched to integrate two functions of power transmission and optical fiber communication, one cable can meet various requirements, the function integration degree is greatly improved, and the conductor assemblies are of an unshielded twisted pair structure. Four pairs of transmission lines with different colors are mutually wound to form the transmission line, each pair of transmission lines with the same color transmits electric pulses in two directions, and the design utilizes the principle that electromagnetic induction counteracts each other, so that electromagnetic interference is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a kind of photoelectric composite cable of data communication and optical fiber communication. BACKGROUND

[0002] Cable is a kind of electric energy or signal transmission device, usually by several or several groups of wires, these wires are mutually insulated, and often around a center twist into, the whole outside is covered with highly insulated covering layer.Cable has the characteristics of internal power supply, external insulation, and is widely used in various scenes, and there are many types of cables, including power cable, control cable, shielded cable, high-temperature cable, computer cable and so on, each type of cable has its specific purpose and performance requirements.

[0003] Traditional cable mainly undertakes the single function of electric energy transmission or signal transmission, when electric energy and data need to be transmitted simultaneously, traditional cable often needs to lay multiple different types of cables, which increases the complexity and cost of wiring, in addition, traditional cable may be affected by electromagnetic interference when transmitting data, which leads to the decline of signal quality, thereby increasing subsequent maintenance and pipeline, therefore a kind of photoelectric composite cable of data communication and optical fiber communication is proposed. SUMMARY

[0004] The utility model aims at solving the shortcomings of weak anti-interference ability and single function in the prior art, and proposes a kind of photoelectric composite cable of data communication and optical fiber communication.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] It includes the sheath, the inside of the sheath is nested and connected with the filling layer, the inside of the filling layer is fixedly connected with a plurality of conductor assemblies for power transmission, the inside of the filling layer is installed with the framework, the inside of the filling layer is fixedly connected with the tear rope, the inside of the filling layer is nested and connected with a plurality of optical fiber assemblies for optical fiber communication.

[0007] The above-mentioned technical scheme further includes:

[0008] The conductor assembly includes the sealing layer fixedly connected in the filling layer, the inside of a plurality of sealing layers is symmetrically installed with the insulator, the inside of the insulator is fixedly connected with the conductor.

[0009] The optical fiber assembly includes the cable sheath fixedly connected in the filling layer, the inside of the cable sheath is fixedly connected with the tight buffer layer, the inside of the tight buffer layer is fixedly connected with the fiber layer, and the inside of the tight buffer layer is fixedly connected with the optical fiber.

[0010] The shape of the framework is five-pointed star.

[0011] The insulators are connected by a non-shielded twisted pair structure, and the insulators are shared by four pairs.

[0012] The sealing layer is located at four obtuse angles of the framework and is uniformly distributed, and the cable sheath is located at the remaining one obtuse angle of the framework.

[0013] The utility model has the following beneficial effects:

[0014] 1、 the utility model discloses, conductor assembly and optical fiber assembly cooperation integrated power transmission and optical fiber communication two functions, a cable can satisfy multiple needs, greatly improve the function integration degree, and the photoelectric composite cable can realize the simultaneous transmission of electric energy and data through a cable, simplifies the wiring process, and reduces the cost.

[0015] 2、 the utility model discloses, conductor assembly adopts non-shielded twisted pair structure, and is composed of four pairs of transmission lines of different colors and is twisted with each other, and each pair of the same color line transmits the electric pulse of two directions back and forth. This design utilizes the principle of electromagnetic induction mutual cancellation, thereby reducing electromagnetic interference. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A cross-sectional plan view structural schematic diagram of the photoelectric composite cable of data communication and optical fiber communication is provided for the utility model;

[0017] Figure 2 An internal structure schematic diagram of the outer covering is provided for the utility model;

[0018] Figure 3 A cross-sectional structure schematic diagram is provided for the utility model;

[0019] Figure 4 A Figure 1 An enlarged schematic diagram of structure A in the utility model is provided.

[0020] In the drawing: 1, outer covering; 2, framework; 3, cable sheath; 4, optical fiber; 5, tear rope; 6, filling layer; 7, conductor; 8, sealing layer; 9, insulator; 10, fiber layer; 11, tight buffer layer; DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Implementation Example

[0023] For example, Figures 1-4As shown, the utility model provides a kind of data communication and optical fiber communication's photoelectric composite cable, including sheath 1, the inside of sheath 1 is nested and connected with filler layer 6, a plurality of conductor assemblies for power transmission are fixedly connected in the inside of filler layer 6, the inside of filler layer 6 is installed with framework 2, the inside of filler layer 6 is fixedly connected with tear rope 5, the inside of filler layer 6 is nested and connected with a plurality of optical fiber assemblies for optical fiber communication.

[0024] Conductor assembly includes the fixed connection of filler layer 6 inside envelope 8, the inside of multiple envelope 8 is symmetrically installed with insulator 9, the inside of insulator 9 is fixedly connected with conductor 7.

[0025] Optical fiber assembly includes the fixed connection of filler layer 6 inside cable sheath 3, the inside of cable sheath 3 is fixedly connected with tight buffer layer 11, the inside of tight buffer layer 11 is fixedly connected with fiber layer 10, the inside of tight buffer layer 11 is fixedly connected with optical fiber 4.

[0026] The material of sheath 1 is low-smoke halogen-free, the thickness of sheath 1 is 0.55±0.05 (mm), and the outer diameter of sheath 1 is 6.5±0.3 (mm).

[0027] The shape of framework 2 is a pentagram, the material of framework 2 is TR144 high-density polyethylene HDPE, and the size of framework 2 is 5.0*5.0*0.45.

[0028] The material of cable sheath 3 is yellow LSZH low-smoke halogen-free, the thickness of cable sheath 3 is 0.35±0.10 (mm), the outer diameter of cable sheath 3 is 2.0±0.1 (mm), and the low-smoke halogen-free material is an environmentally friendly material that does not produce toxic smoke and hydrogen halide gas during combustion, which is environmentally friendly and safer.

[0029] The number of cores of optical fiber 4 is 1F single core, the type of optical fiber is G657A2, and the diameter of single-mode optical fiber is 2.0 (mm).

[0030] This optical fiber meets the G657A2 standard and has excellent bending performance, allowing it to be used in small bending radii without causing excessive attenuation of optical signals, making it ideal for use in indoor environments, especially in scenarios that require frequent bending and winding. Single-mode optical fiber allows only one mode of optical signal to be transmitted in the core, resulting in higher bandwidth and lower attenuation, making it suitable for long-distance, high-speed optical signal transmission.

[0031] The material of conductor 7 is solid copper, the size of conductor 7 is 0.556±0.01 (mm), the material of insulator 9 is HDPE high-density polyethylene, and the insulator 9 adopts a non-shielded twisted pair structure.

[0032] The insulator 9 has four pairs in common, and each pair of transmission lines uses color matching of white blue+blue, a twist pitch of 15.94, and a completed outer diameter of 0.97±0.01 (mm); color matching of white orange+orange, a twist pitch of 10.3, and a completed outer diameter of 0.99±0.01 (mm); color matching of white green+green, a twist pitch of 14.38, and a completed outer diameter of 0.97±0.01 (mm); and color matching of white brown+brown, a twist pitch of 11.4, and a completed outer diameter of 0.99±0.01 (mm).

[0033] The four pairs of transmission lines of different colors are intertwined with each other, and each pair of transmission lines of the same color transmits electrical pulses in two directions. This design utilizes the principle of electromagnetic induction to cancel each other out, thereby reducing electromagnetic interference.

[0034] The material of the tight buffer layer 11 is LSZH low smoke and halogen-free, and the size of the tight buffer layer 11 is 0.90±0.10 (mm), and the fiber layer 10 is aramid material.

[0035] The tear rope 5 is a 21OD / 3 white nylon rope, which is a high-strength wear-resistant fiber of 21OD woven from 3 fibers.

[0036] The filler layer 6 is high-density polyethylene, and the high-density polyethylene filler can fill the voids inside the cable, making the cable structure more compact and stable, which helps to enhance the mechanical properties such as tensile strength, compression resistance and bending resistance of the cable, and improve the durability and service life of the cable.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hybrid optical fiber and data cable comprising an outer jacket (1), characterized in that, The inner side of the outer covering (1) is nested with a filling layer (6), the inside of the filling layer (6) is fixedly connected with a plurality of conductor assemblies for power transmission, the inner side of the filling layer (6) is provided with a framework (2), the inside of the filling layer (6) is fixedly connected with a tear rope (5), and the inside of the filling layer (6) is nested with a plurality of optical fiber assemblies for optical fiber communication.

2. The fiber optic and electrical communication hybrid cable of claim 1, wherein, The conductor assembly comprises an envelope (8) fixedly connected in the inside of the filling layer (6), and the inner side of each of a plurality of the envelope (8) is symmetrically provided with an insulator (9), and the inner side of the insulator (9) is fixedly connected with a conductor (7).

3. The fiber optic and electrical communication hybrid cable of claim 2, wherein, The optical fiber assembly comprises a cable sheath (3) fixedly connected in the inside of the filling layer (6), the inner side of the cable sheath (3) is fixedly connected with a tight buffer layer (11), the inner side of the tight buffer layer (11) is fixedly connected with a fiber layer (10), and the inner side of the tight buffer layer (11) is fixedly connected with an optical fiber (4).

4. The fiber optic and electrical communication hybrid cable of claim 1, wherein, The shape of the framework (2) is a five-pointed star.

5. The fiber optic and electrical communication hybrid cable of claim 2, wherein, The insulators (9) adopt a non-shielded twisted pair structure, and the insulators (9) have four pairs in common.

6. The fiber optic and electrical communication hybrid cable of claim 3, wherein, The envelope (8) is located at four obtuse angles of the framework (2) and is uniformly distributed, and the cable sheath (3) is located at the remaining one obtuse angle of the framework (2).

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