Double shielding outdoor network cable with waterproof and pressure resistance function

Abstract

The utility model relates to outdoor network cable technical field discloses double shielding outdoor network cable with waterproof and pressure resistance function, including multiple groups of core assembly, the core assembly includes core and insulating layer, the insulating layer sets up the core outside, and the core adopts the twisted wire of multiple thin copper wire, and is set up with pressure resistance subassembly between the multiple groups of core assembly, first shielding layer, first shielding layer sets up the outer wall of multiple groups of core assembly, is used for reducing the influence of outside environment to signal transmission, second shielding layer, second shielding layer sets up the outer wall of first shielding layer, in the utility model, through cross skeleton spacing core prevents winding and its intersection place elastic buffer piece through the deformation absorption impact, first shielding layer blocks low frequency interference, waterproof film forms first waterproof barrier, second shielding layer shields high frequency interference, and inner sheath and outer sheath enhance physical protection and pressure resistance, realize the effect that network cable waterproof, pressure resistance and double shielding anti -interference.

Description

Technical Field

[0001] This utility model relates to the field of outdoor network cable technology, and in particular to a double-shielded outdoor network cable with waterproof and pressure-resistant functions. Background Technology

[0002] In the construction of outdoor communication networks, network cables serve as the core carrier for signal transmission, and their performance directly affects the stability and reliability of network communication. Double-shielded outdoor network cables, thanks to their special structural design, can achieve stable signal transmission in complex outdoor environments, meeting the cabling needs of scenarios such as security monitoring, outdoor base stations, and smart parks.

[0003] In the existing technology, network cables used outdoors usually adopt a simple single-shielded structure. The shielding layer is mostly made of aluminum foil, which reduces electromagnetic interference by wrapping the wire core. The technical principle is to use the insulation layer to separate the wire core to prevent short circuits. The outer sheath is made of ordinary plastic material to provide basic protection, and the waterproof performance mainly relies on the sealing of the sheath material itself.

[0004] However, existing outdoor network cables are prone to failure in waterproofing when exposed to prolonged rain or strong external pressure, leading to moisture absorption of the wire core. Their insufficient pressure resistance also makes the wire core susceptible to damage. Furthermore, the single-shielded structure has limited effectiveness in blocking high-frequency electromagnetic interference, making it difficult to ensure the stability of signal transmission in complex outdoor environments. Therefore, a double-shielded outdoor network cable with waterproof and pressure-resistant functions is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a double-shielded outdoor network cable with waterproof and pressure-resistant functions, which aims to improve the technical problems in the prior art where the waterproof performance is easily lost when exposed to long-term rain or strong external pressure, resulting in the core getting damp and the core being easily damaged due to insufficient pressure resistance.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Double-shielded outdoor network cable with waterproof and pressure-resistant features, including:

[0008] Multiple sets of wire core assemblies, each set including wire cores and an insulation layer, the insulation layer being disposed on the outside of the wire cores, the wire cores being made of multiple strands of fine copper wires twisted together, and a pressure-resistant component being disposed between the multiple sets of wire core assemblies;

[0009] The first shielding layer is disposed on the outer wall of the multiple sets of wire core assemblies to reduce the impact of the external environment on signal transmission;

[0010] The second shielding layer is disposed on the outer wall of the first shielding layer. The second shielding layer and the first shielding layer work together to form a double shielding effect. A waterproof component is disposed between the second shielding layer and the first shielding layer.

[0011] Tensile ropes, which are distributed along the length of the network cable on the outer wall of the second shielding layer, are used to enhance the overall tensile strength of the network cable;

[0012] Inner sheath, which is disposed on the outer wall of the tensile rope, is used to provide physical protection for the internal structure;

[0013] An outer sheath, which is disposed outside the inner sheath, is used to enhance compressive strength;

[0014] The connector is electrically connected to the output end of a multi-core assembly for connection to external devices.

[0015] As a further description of the above technical solution:

[0016] The pressure-resistant component includes a cross-shaped frame, which is disposed between multiple sets of wire core assemblies, and an elastic buffer sheet is provided at the intersection of the cross-shaped frame.

[0017] As a further description of the above technical solution:

[0018] The waterproof component includes a waterproof membrane disposed between the second shielding layer and the first shielding layer.

[0019] As a further description of the above technical solution:

[0020] The first shielding layer is made of aluminum foil with a thickness of 0.02-0.05 mm.

[0021] As a further description of the above technical solution:

[0022] The second shielding layer is made of tin-plated copper braided mesh with a braiding density of not less than 90% and a thickness of 0.1-0.2mm.

[0023] As a further description of the above technical solution:

[0024] The inner sheath is made of low-density polyethylene with a thickness of 0.8-1.2mm; the outer sheath is made of weather-resistant PVC with a thickness of 1-1.5mm.

[0025] As a further description of the above technical solution:

[0026] The outer sheath is made of weather-resistant PVC material with a thickness of 1-1.5mm, and the outer wall of the outer sheath is provided with anti-slip texture.

[0027] The above-mentioned technical solutions of the waterproof and pressure-resistant double-shielded outdoor network cable provided in this embodiment of the utility model have at least one of the following technical effects:

[0028] In this invention, the cross-shaped skeleton separates the wire cores to prevent tangling, and the elastic buffer sheet at the intersection absorbs impact through deformation. The first shielding layer blocks low-frequency interference, the waterproof membrane forms the first waterproof barrier, the second shielding layer blocks high-frequency interference, and the inner and outer sheaths enhance physical protection and pressure resistance. This achieves the effect of waterproofing, pressure resistance, and double shielding against interference in the network cable. It solves the problems that the waterproof performance is prone to failure when exposed to long-term rain or strong external pressure, leading to moisture absorption of the wire core; insufficient pressure resistance can easily damage the wire core; and the single shielding structure has limited blocking effect on high-frequency electromagnetic interference. This improves the service life of outdoor network cables. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a three-dimensional schematic diagram of the double-shielded outdoor network cable with waterproof and pressure-resistant functions proposed in this utility model;

[0031] Figure 2 This is a cross-sectional schematic diagram of the double-shielded outdoor network cable with waterproof and pressure-resistant functions proposed in this utility model;

[0032] Figure 3 This is a schematic diagram of the cross-shaped skeleton structure of the double-shielded outdoor network cable with waterproof and pressure-resistant functions proposed in this utility model.

[0033] The following are the labeling elements in the figure:

[0034] 1. Core wire; 2. Insulation layer; 3. Cross-shaped frame; 4. Elastic buffer sheet; 5. First shielding layer; 6. Waterproof membrane; 7. Second shielding layer; 8. Tension rope; 9. Inner sheath; 10. Outer sheath; 11. Connector. Detailed Implementation

[0035] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0036] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0039] Reference Figures 1-3 One embodiment of this utility model provides: a double-shielded outdoor network cable with waterproof and pressure-resistant functions, comprising:

[0040] The cable consists of multiple core assemblies, each including a core 1 and an insulation layer 2. The insulation layer 2 is located on the outside of the core 1 and is made of high-density polyethylene. It tightly wraps around the outside of the core 1, effectively preventing short circuits between the cores and ensuring independent signal transmission for each core group. The core 1 is made of multiple strands of fine copper wire twisted together. This twisted structure not only improves the stability of signal transmission and reduces signal loss, but also enhances the flexibility of the core 1, making the network cable easier to bend when laid outdoors and reducing the risk of wire breakage due to bending. Anti-compression components are installed between the multiple core assemblies.

[0041] The first shielding layer 5 is disposed on the outer wall of the multiple sets of wire core assemblies to reduce the influence of the external environment on signal transmission. The first shielding layer 5 is tightly wrapped around the outer wall of the multiple sets of wire core assemblies by a winding method.

[0042] The second shielding layer 7 is disposed on the outer wall of the first shielding layer 5. The second shielding layer 7 and the first shielding layer 5 work together to form a double shielding effect, further ensuring the purity of signal transmission. It is especially suitable for use in complex outdoor electromagnetic environments. A waterproof component is provided between the second shielding layer 7 and the first shielding layer 5.

[0043] Tensile rope 8 is distributed along the length of the network cable on the outer wall of the second shielding layer 7 to enhance the overall tensile strength of the network cable. The tensile rope 8 is made of aramid fiber with a diameter of 0.8-1.2mm to prevent core breakage or structural delamination during outdoor wiring.

[0044] Inner sheath 9 is installed on the outer wall of the tensile rope 8 to provide physical protection for the internal structure.

[0045] Outer sheath 10 is disposed outside the inner sheath 9 to enhance compressive strength;

[0046] Connector 11 is electrically connected to the output end of a multi-core assembly for connection with external devices. It is electrically connected to the output end of the multi-core assembly through a precision crimping process, which can reduce contact resistance and improve signal transmission efficiency. The outer shell of connector 11 is made of flame-retardant ABS material to ensure the integrity of the signal transmission link.

[0047] Reference Figures 1-3 The pressure-resistant component includes a cross-shaped frame 3, which is positioned between multiple sets of wire core assemblies. Elastic buffer sheets 4 are positioned at the intersections of the cross-shaped frames 3. The waterproof component includes a waterproof membrane 6, which is positioned between the second shielding layer 7 and the first shielding layer 5. The waterproof membrane 6 is made of polytetrafluoroethylene microporous membrane material with a thickness of 0.01-0.03mm, exhibiting excellent waterproof and breathable properties. The micropore diameter is only 0.1-0.2μm, effectively preventing rainwater, dew, moisture, and other liquid water from penetrating into the internal wire core assemblies. The first shielding layer 5 is made of aluminum foil with a thickness of 0.02-0.05mm, and the surface of the aluminum foil has undergone anti-oxidation treatment. The first shielding layer 7 is made of tin-plated copper braided mesh with a braiding density of not less than 90% and a thickness of 0.1-0.2mm. The second shielding layer 7 is made of low-density polyethylene with a thickness of 0.8-1.2mm. The third shielding layer 7 is made of weather-resistant PVC with a thickness of 1-1.5mm. The outer sheath 10 has anti-slip texture on its outer wall, which can significantly improve the friction between the hand or tool and the network cable during installation, improve the grip stability, facilitate dragging and bending operations during outdoor wiring, reduce slippage, and improve construction efficiency.

[0048] Working principle: When using this network cable outdoors, the wire core 1 serves as the signal transmission carrier. The multi-strand fine copper wire twisted structure can improve the stability and flexibility of signal transmission. The outer insulation layer 2 can effectively prevent short circuits between wire cores and ensure independent signal transmission. The cross frame 3 separates and positions each group of wire core components to prevent the wire cores 1 from intertwining and interfering with each other due to shaking during outdoor wiring. The elastic buffer 4 at the intersection of the cross frame 3 absorbs the impact energy through its own elastic deformation when the network cable is subjected to external pressure or stepping, reducing the pressure on the wire core components and playing a role in pressure resistance protection.

[0049] The first shielding layer 5 on the outer wall of the wire core assembly can effectively block low-frequency electromagnetic interference from the outside and reduce the impact of environmental factors on signal transmission. The waterproof membrane 6 between the first shielding layer 5 and the second shielding layer 7 forms the first waterproof barrier to prevent rainwater and moisture from penetrating into the internal wire core assembly. The second shielding layer 7 uses tin-plated copper braided mesh to further shield high-frequency electromagnetic interference and ensure the purity of signal transmission. The inner sheath 9 provides physical protection for the internal shielding layer, wire core, and other structures. The outer sheath 10 on the outside of the inner sheath 9 not only enhances the overall compressive strength of the network cable, but the anti-slip texture on its outer wall also improves the grip stability during installation, making outdoor cabling operations more convenient and thus effectively improving the service life of the network cable.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-shielded outdoor network cable with waterproof and pressure-resistant functions, characterized in that, include: Multiple sets of wire core assemblies, the wire core assembly includes a wire core (1) and an insulation layer (2), the insulation layer (2) is disposed on the outside of the wire core (1), the wire core (1) is made of multiple strands of fine copper wire twisted together, and a pressure-resistant component is disposed between the multiple sets of wire core assemblies; The first shielding layer (5) is disposed on the outer wall of the multiple sets of wire core assemblies to reduce the influence of the external environment on signal transmission; The second shielding layer (7) is disposed on the outer wall of the first shielding layer (5). The second shielding layer (7) and the first shielding layer (5) work together to form a double shielding effect. A waterproof component is disposed between the second shielding layer (7) and the first shielding layer (5). Tensile rope (8), the tensile rope (8) is distributed along the length of the network cable on the outer wall of the second shielding layer (7) to enhance the overall tensile performance of the network cable; Inner sheath (9), the inner sheath (9) is disposed on the outer wall of the tensile rope (8) to provide physical protection for the internal structure; An outer sheath (10) is provided outside the inner sheath (9) to enhance its compressive strength. Connector (11), which is electrically connected to the output end of multiple sets of wire core assemblies, is used to connect with external devices; The anti-compression component includes a cross skeleton (3), which is disposed between multiple sets of wire core components, and an elastic buffer sheet (4) is provided at the intersection of the cross skeleton (3). The waterproof component includes a waterproof membrane (6), which is disposed between the second shielding layer (7) and the first shielding layer (5).

2. The double-shielded outdoor network cable with waterproof and pressure-resistant functions according to claim 1, characterized in that: The first shielding layer (5) is made of aluminum foil with a thickness of 0.02-0.05mm.

3. The double-shielded outdoor network cable with waterproof and pressure-resistant functions according to claim 1, characterized in that: The second shielding layer (7) is made of tin-plated copper braided mesh with a braiding density of not less than 90% and a thickness of 0.1-0.2mm.

4. The double-shielded outdoor network cable with waterproof and pressure-resistant functions according to claim 1, characterized in that: The inner sheath (9) is made of low-density polyethylene with a thickness of 0.8-1.2 mm; the outer sheath (10) is made of weather-resistant PVC with a thickness of 1-1.5 mm.

5. The double-shielded outdoor network cable with waterproof and pressure-resistant functions according to claim 1, characterized in that: The outer sheath (10) is made of weather-resistant PVC material with a thickness of 1-1.5mm, and the outer wall of the outer sheath (10) is provided with anti-slip texture.

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