Shielded composite wire

Abstract

This utility model discloses a shielded composite wire, relating to the field of electrical wiring technology. It includes a wrapping layer and a shielding assembly. The wrapping layer contains a filler, and the shielding assembly is disposed inside the filler. The shielding assembly includes a copper-plastic composite tape, a polyethylene protective layer, a copper wire braided outer shielding layer, an XLPE insulation layer, a semiconductor inner shielding layer, and an aluminum foil composite shielding layer. The copper-plastic composite tape is disposed inside the filler, and its inner surface is connected to the polyethylene protective layer. The copper wire braided outer shielding layer is disposed inside the polyethylene protective layer, and its inner surface is connected to the XLPE insulation layer. This shielded composite wire, through the shielding assembly, significantly improves the shielding performance of the device, thereby enhancing safety protection and optimizing signal transmission. The protective assembly also enhances the device's overall protection, making it less prone to damage and extending its service life.

Description

Technical Field

[0001] This utility model relates to the field of electrical wiring technology, specifically a shielded composite wire. Background Technology

[0002] Electrical wires are conductors used to transmit electrical energy or signals. They are typically made of metals (such as copper and aluminum) or composite materials and may include insulation layers, sheaths, and other structures. Through optimization of materials and structures, electrical wires meet diverse needs in power transmission, communication, and industrial equipment. However, current electrical wires still have the following shortcomings:

[0003] For example, patent document CN219163045U discloses an electrical cable. This electrical cable solves the problems of existing electrical automation engineering cables having poor weather resistance, being prone to cracking under harsh conditions such as high temperature and high humidity, and having poor anti-interference performance, thus failing to meet the actual use requirements. However, its poor shielding effect can easily exacerbate safety hazards and lead to abnormal signal transmission. Utility Model Content

[0004] The purpose of this invention is to provide a shielded composite wire to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shielded composite wire, comprising a wrapping layer and a shielding assembly. The wrapping layer contains a filler, and the shielding assembly is disposed within the filler. The shielding assembly includes a copper-plastic composite tape, a polyethylene protective layer, a copper wire braided outer shielding layer, an XLPE insulation layer, a semiconductor inner shielding layer, and an aluminum foil composite shielding layer. The copper-plastic composite tape is disposed inside the filler, and the inner surface of the copper-plastic composite tape is connected to the polyethylene protective layer. The inner side of the polyethylene protective layer contains the copper wire braided outer shielding layer, and the inner surface of the copper wire braided outer shielding layer is connected to the XLPE insulation layer. The inner side of the XLPE insulation layer contains the semiconductor inner shielding layer, and the inner surface of the semiconductor inner shielding layer is connected to the aluminum foil composite shielding layer.

[0006] Furthermore, a copper core conductor is provided on the inner side of the aluminum foil composite shielding layer, and seven sets of copper core conductors are provided.

[0007] Furthermore, the outer surface of the copper core conductor is provided with a double-layer PVC inner sheath, and a protective component for enhanced protection is provided on the outer side of the double-layer PVC inner sheath.

[0008] Furthermore, the protective component includes a rigid braided layer, a waterproof rubber sheath layer, and a double-layer galvanized armor layer, with the rigid braided layer disposed on the outer surface of the double-layer PVC inner sheath.

[0009] Furthermore, the outer surface of the double-layer PVC inner sheath is provided with a waterproof rubber sleeve layer, and the outer surface of the waterproof rubber sleeve layer is connected with a double-layer galvanized armor layer.

[0010] Furthermore, the protective component also includes a ceramicized silicone rubber layer and a thermoplastic outer protective layer, and the outer surface of the double-layer galvanized armor layer is provided with a ceramicized silicone rubber layer, and the thermoplastic outer protective layer is connected to the outside of the ceramicized silicone rubber layer.

[0011] Furthermore, a connecting ring is engaged with the outer side of the thermoplastic outer protective layer, and a reinforcing opening is provided on the surface of the connecting ring. An arc-shaped reinforcing member is engaged with the inner side of the reinforcing opening.

[0012] Furthermore, a fixing ring is provided at the lower end of the connecting ring, and a sealing gasket ring is provided on the inner surface of the fixing ring, and a threaded fixing bolt is threadedly connected to the surface of the fixing ring.

[0013] This utility model provides a shielded composite wire with the following advantages:

[0014] 1. This utility model incorporates a shielding assembly comprising a copper-plastic composite strip, a polyethylene protective layer, a copper wire braided outer shielding layer, an XLPE insulating layer, a semiconductor inner shielding layer, and an aluminum foil composite shielding layer. In use, the copper wire braided outer shielding layer forms a continuous conductive layer through its woven copper wire mesh structure, reflecting or absorbing high-frequency electromagnetic waves and significantly reducing noise interference in signal transmission. The polyethylene protective layer effectively isolates current leakage. When the copper-plastic composite strip and the copper wire braided outer shielding layer are used together, they form a composite shielding structure, enhancing high-frequency interference suppression capabilities. The XLPE insulating layer possesses high-strength insulation properties, the semiconductor inner shielding layer optimizes overall shielding performance, and the aluminum foil composite shielding layer maintains metallic conductivity while enhancing mechanical strength. This significantly improves the shielding performance of the device, thereby strengthening safety protection and optimizing signal transmission.

[0015] 2. This utility model incorporates a protective component, which includes a rigid braided layer, a waterproof rubber sleeve layer, and a double-layer galvanized armor layer. The component also includes a ceramicized silicone rubber layer and a thermoplastic outer protective layer. During use, the rigid braided layer enhances the overall rigidity, preventing breakage; the waterproof rubber sleeve layer improves moisture resistance, preventing internal water seepage and damage; the double-layer galvanized armor layer improves overall compressive strength, making it less susceptible to damage under pressure; the ceramicized silicone rubber layer has strong flame-retardant properties; and the thermoplastic outer protective layer has strong wear resistance, making it less prone to wear. Therefore, this device enhances its protective capabilities, improves overall performance, reduces the risk of damage, and extends its service life. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a shielded composite wire according to the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of a shielding component for a shielded composite wire according to the present invention.

[0018] Figure 3 This is a three-dimensional structural diagram of a protective component for a shielded composite wire according to the present invention;

[0019] Figure 4 This is a three-dimensional structural diagram of the connecting ring of a shielded composite wire according to the present invention.

[0020] In the diagram: 1. Wrapping layer; 2. Filler; 3. Shielding assembly; 301. Copper-plastic composite tape; 302. Polyethylene protective layer; 303. Copper wire braided outer shielding layer; 304. XLPE insulation layer; 305. Semiconductor inner shielding layer; 306. Aluminum foil composite shielding layer; 4. Copper core conductor; 5. Double-layer PVC inner sheath; 6. Protective assembly; 601. Rigid braided layer; 602. Waterproof rubber sheath layer; 603. Double-layer galvanized armor layer; 604. Ceramicized silicone rubber layer; 605. Thermoplastic outer sheath; 7. Connecting ring; 8. Reinforcing port; 9. Arc-shaped reinforcement; 10. Fixing ring; 11. Sealing gasket ring; 12. Threaded fixing bolt. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] like Figures 1 to 4 As shown, a shielded composite wire includes a wrapping layer 1 and a shielding component 3. The wrapping layer 1 has a filler 2 inside, and the shielding component 3 is disposed inside the filler 2. The shielding component 3 includes a copper-plastic composite tape 301, a polyethylene protective layer 302, a copper wire braided outer shielding layer 303, an XLPE insulation layer 304, a semiconductor inner shielding layer 305, and an aluminum foil composite shielding layer 306. The copper-plastic composite tape 301 is disposed inside the filler 2, and the inner surface of the copper-plastic composite tape 301 is connected to the polyethylene protective layer 302. The inner side of the polyethylene protective layer 302 is provided with the copper wire braided outer shielding layer 303, and the inner surface of the copper wire braided outer shielding layer 303 is connected to the XLPE insulation layer 304. The inner side of the XLPE insulation layer 304 is provided with the semiconductor inner shielding layer 305, and the inner surface of the semiconductor inner shielding layer 305 is connected to the aluminum foil composite shielding layer 306.

[0023] The specific operation is as follows: When in use, the copper wire braided outer shielding layer 303 forms a continuous conductive layer through the copper wire braided mesh structure, which can reflect or absorb high-frequency electromagnetic waves and significantly reduce noise interference in signal transmission. The polyethylene protective layer 302 can effectively isolate current leakage. When the copper-plastic composite tape 301 is used in combination with the copper wire braided outer shielding layer 303, a composite shielding structure can be formed to enhance the high-frequency interference suppression capability. The XLPE insulation layer 304 has high-strength insulation performance. The semiconductor inner shielding layer 305 can optimize the overall shielding performance. The aluminum foil composite shielding layer 306 can maintain the metal conductivity and enhance the mechanical strength.

[0024] Please refer to Figures 2 to 4 The aluminum foil composite shielding layer 306 has a copper core conductor 4 inside, and seven sets of copper core conductors 4 are provided. A double-layer PVC inner sheath 5 is provided on the outer surface of the copper core conductor 4, and a protective component 6 for enhanced protection is provided on the outer side of the double-layer PVC inner sheath 5. The protective component 6 includes a rigid braided layer 601, a waterproof rubber sheath layer 602, and a double-layer galvanized armor layer 603. The rigid braided layer 601 is located on the outer surface of the double-layer PVC inner sheath 5, and the waterproof rubber sheath layer 602 is located on the outer surface of the double-layer PVC inner sheath 5. The double-layer galvanized armor layer 603 is connected to the outer surface of the waterproof rubber sheath layer 602. The protective component 6 also includes a ceramicized silicone rubber layer 604 and a thermoplastic outer protective layer 605. The outer surface of the double-layer galvanized armor layer 603 is provided with a ceramicized silicone rubber layer 604. The outer side of the ceramicized silicone rubber layer 604 is connected to the thermoplastic outer protective layer 605. A connecting ring 7 is snapped onto the outer side of the thermoplastic outer protective layer 605. A reinforcing opening 8 is provided on the surface of the connecting ring 7. An arc-shaped reinforcing member 9 is snapped onto the inner side of the reinforcing opening 8. A fixing ring 10 is provided at the lower end of the connecting ring 7. A sealing gasket ring 11 is provided on the inner surface of the fixing ring 10. A threaded fixing bolt 12 is threaded onto the surface of the fixing ring 10.

[0025] The specific operation is as follows: During use, the rigid braided layer 601 enhances the overall hardness and prevents it from breaking; the waterproof rubber sheath layer 602 improves the moisture-proof effect and prevents internal water seepage damage; the double-layer galvanized armor layer 603 improves the overall compressive strength and makes it less susceptible to pressure damage; the ceramicized silicone rubber layer 604 has a strong flame-retardant effect; and the thermoplastic outer protective layer 605 has strong wear resistance and is not easily worn. The device is connected to the external wires through the connecting ring 7, and the connection is reinforced by the engagement of the arc-shaped reinforcement member 9 with the inner side of the reinforcement port 8.

[0026] In summary, as Figures 1 to 4As shown, this shielded composite cable, in use, firstly, the rigid braided layer 601 enhances the overall rigidity to prevent breakage; the waterproof rubber sheath layer 602 improves moisture resistance and prevents internal water seepage damage; the double-layer galvanized armor layer 603 improves the overall compressive strength, making it less susceptible to pressure damage; the ceramicized silicone rubber layer 604 has strong flame retardant properties; and the thermoplastic outer sheath layer 605 has strong wear resistance and is not easily worn. The device is connected to the external cable via a connecting ring 7, and the connection is reinforced by the engagement of the arc-shaped reinforcement member 9 with the inner side of the reinforcement port 8. During the use of this device… In this design, the copper wire braided outer shielding layer 303 forms a continuous conductive layer through a copper wire braided mesh structure, which can reflect or absorb high-frequency electromagnetic waves such as radio frequency interference, significantly reducing noise interference in signal transmission. The polyethylene protective layer 302 can effectively isolate current leakage. When the copper-plastic composite tape 301 is used in combination with the copper wire braided outer shielding layer 303, a composite shielding structure can be formed, enhancing the ability to suppress high-frequency interference. The XLPE insulation layer 304 has high-strength insulation performance. The semiconductor inner shielding layer 305 can optimize the overall shielding performance. The aluminum foil composite shielding layer 306 can maintain the conductivity of metal while enhancing mechanical strength.

[0027] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A shielded composite wire, comprising a wrapping layer (1) and a shielding assembly (3), characterized in that: The wrapping layer (1) is provided with a filler (2) inside, and the shielding component (3) is provided inside the filler (2). The shielding component (3) includes a copper-plastic composite tape (301), a polyethylene protective layer (302), a copper wire braided outer shielding layer (303), an XLPE insulating layer (304), a semiconductor inner shielding layer (305), and an aluminum foil composite shielding layer (306). The copper-plastic composite tape (301) is provided inside the filler (2), and the inner surface of the copper-plastic composite tape (301) is connected to the polyethylene protective layer (302). The inner side of the polyethylene protective layer (302) is provided with a copper wire braided outer shielding layer (303), and the inner surface of the copper wire braided outer shielding layer (303) is connected to the XLPE insulating layer (304). The inner side of the XLPE insulating layer (304) is provided with a semiconductor inner shielding layer (305), and the inner surface of the semiconductor inner shielding layer (305) is connected to the aluminum foil composite shielding layer (306).

2. The shielded composite wire according to claim 1, characterized in that, The aluminum foil composite shielding layer (306) has a copper core conductor (4) on its inner side, and there are seven sets of copper core conductors (4).

3. The shielded composite wire according to claim 2, characterized in that, The outer surface of the copper core conductor (4) is provided with a double-layer PVC inner sheath (5), and a protective component (6) for strengthening protection is provided on the outer side of the double-layer PVC inner sheath (5).

4. The shielded composite wire according to claim 3, characterized in that, The protective component (6) includes a rigid braided layer (601), a waterproof rubber sheath layer (602), and a double-layer galvanized armor layer (603), with the rigid braided layer (601) disposed on the outer surface of the double-layer PVC inner sheath layer (5).

5. A shielded composite wire according to claim 3, characterized in that, The outer surface of the double-layer PVC inner protective layer (5) is provided with a waterproof rubber sleeve layer (602), and the outer surface of the waterproof rubber sleeve layer (602) is connected with a double-layer galvanized armor layer (603).

6. The shielded composite wire according to claim 5, characterized in that, The protective component (6) further includes a ceramicized silicone rubber layer (604) and a thermoplastic outer protective layer (605), and the outer surface of the double-layer galvanized armor layer (603) is provided with a ceramicized silicone rubber layer (604), and the outer side of the ceramicized silicone rubber layer (604) is connected to the thermoplastic outer protective layer (605).

7. A shielded composite wire according to claim 6, characterized in that, The thermoplastic outer protective layer (605) is fitted with a connecting ring (7) on the outside, and a reinforcing opening (8) is provided on the surface of the connecting ring (7), and an arc-shaped reinforcing member (9) is fitted with the inside of the reinforcing opening (8).

8. The shielded composite wire according to claim 7, characterized in that, The lower end of the connecting ring (7) is provided with a fixing ring (10), and the inner surface of the fixing ring (10) is provided with a sealing gasket ring (11). The surface of the fixing ring (10) is threadedly connected with a threaded fixing bolt (12).

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