Anti-interference layered composite audio cable
By designing an anti-interference layered composite audio cable, the problems of complex wiring and susceptibility to interference in traditional audio systems are solved. It achieves single-wire multi-signal transmission and improved anti-interference capabilities, adapts to various audio device interfaces, and reduces reliance on adapters.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-03
AI Technical Summary
Traditional audio systems require separate use of fiber optic cables, coaxial cables, and speaker cables, resulting in complex wiring, high costs, and susceptibility to interference. The numerous interfaces also increase the complexity of device connections.
Design an anti-interference layered composite audio cable comprising a total PVC outer sheath, a tinned copper braided mesh shielding layer, an aluminum foil shielding layer, a PVC inner sheath, anti-interference filler, a coaxial audio cable, an optical fiber audio cable, and gold and silver speaker wires. The multi-layer structure is used for signal transmission to achieve single-line multi-signal transmission and enhance anti-interference capability.
It enables simultaneous transmission of digital fiber optic signals, coaxial signals, and analog audio power signals over a single line, reducing wiring complexity, improving anti-interference capabilities, and is compatible with various audio device interfaces. Furthermore, it eliminates the need for rewiring when the cable is damaged.
Smart Images

Figure CN224082215U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of audio cable technology, specifically to an anti-interference layered composite audio cable. Background Technology
[0002] Audio equipment refers specifically to an audio system composed of electrical devices that produce sound. Audio cables are cables used to connect audio devices. Audio cables are cables specifically designed to transmit audio signals and are widely used in music, broadcasting, and conference systems.
[0003] Traditional audio systems require separate use of fiber optic cables (for transmitting digital audio signals), coaxial cables (for transmitting S / PDIF signals), and speaker cables (for connecting amplifiers and speakers), resulting in complex wiring, high costs, and susceptibility to interference. The numerous interfaces also increase the complexity of device connections. Therefore, an anti-interference layered composite audio cable is proposed to achieve single-line multi-signal transmission, reduce wiring complexity, improve anti-interference capabilities, and be compatible with various audio device interfaces. Utility Model Content
[0004] The purpose of this invention is to provide an anti-interference layered composite audio cable to achieve single-wire multi-signal transmission, reduce wiring complexity, improve anti-interference capability, and be compatible with various audio device interfaces.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0006] An anti-interference layered composite audio cable includes a total PVC outer sheath, an inner tinned copper braided mesh shielding layer, an inner aluminum foil shielding layer, an inner PVC inner sheath, an anti-interference filler, and coaxial audio cables, fiber optic audio cables, and gold / silver speaker cables.
[0007] A further improvement of this utility model is that: the coaxial audio cable includes a PVC outer sheath, the PVC outer sheath is disposed within an anti-interference filler located inside the total PVC inner sheath, a tinned copper braided mesh shielding layer is disposed on the inner side of the PVC outer sheath, and an aluminum foil shielding layer is disposed on the inner side of the tinned copper braided mesh shielding layer.
[0008] A further improvement of this utility model is that: a coaxial audio cable Teflon insulation layer is provided on the inner side of the aluminum foil shielding layer of the coaxial audio cable, and an oxygen-free copper conductor for the coaxial audio cable is provided on the inner side of the Teflon insulation layer of the coaxial audio cable.
[0009] A further improvement of the present invention is that: the optical fiber audio cable includes a pure cotton mesh protective layer, the pure cotton mesh protective layer is disposed within an anti-interference filler located inside the inner sheath of the total PVC, a physical foaming layer is disposed on the inner side of the pure cotton mesh protective layer, and a glass fiber conductor is disposed on the inner side of the physical foaming layer.
[0010] A further improvement of this utility model is that: the gold and silver speaker wire includes a gold and silver speaker wire PVC outer sheath, the gold and silver speaker wire anti-interference filler is provided inside the gold and silver speaker wire anti-interference filler is provided inside the gold and silver speaker wire PVC inner sheath, the number of gold and silver speaker wire PVC inner sheaths is two, and the interior of each of the two gold and silver speaker wire PVC inner sheaths is provided with a gold and silver speaker wire tin-plated copper braided mesh shielding layer.
[0011] A further improvement of this utility model is that: an aluminum foil shielding layer for gold and silver horn wire is provided on the inner side of the tinned copper braided mesh shielding layer for gold and silver horn wire; a Teflon insulation layer for gold and silver horn wire is provided on the inner side of the aluminum foil shielding layer for gold and silver horn wire; and an oxygen-free copper silver-plated conductor for gold and silver horn wire is provided on the inner side of the Teflon insulation layer for gold and silver horn wire.
[0012] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0013] This invention provides an anti-interference layered composite audio cable that simultaneously transmits digital fiber optic signals, coaxial signals, and analog audio power signals via a single cable, reducing wiring complexity and space requirements. It is also compatible with mainstream audio device interfaces, allowing for connection of individual cables as needed, minimizing reliance on adapters. When connecting multi-interface devices, the remaining two cables can serve as backups; if a cable in use fails, rewiring is unnecessary, and alternative cables can be used. Furthermore, its multi-layered anti-interference structure provides strong anti-interference capabilities. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This utility model is a schematic diagram showing the connection between a Blu-ray player, an amplifier, and speakers.
[0016] In the diagram: 1. Overall PVC outer sheath; 2. Overall tinned copper braided mesh shielding layer; 3. Overall aluminum foil shielding layer; 4. Overall PVC inner sheath; 5. Anti-interference filler; 6. Fiber optic audio cable pure cotton mesh protective layer; 7. Fiber optic audio cable physical foaming layer; 8. Fiber optic audio cable glass fiber conductor; 9. Coaxial audio cable PVC outer sheath; 10. Coaxial audio cable tinned copper braided mesh shielding layer; 11. Coaxial audio cable aluminum foil shielding layer; 12. Coaxial audio cable Teflon insulation layer; 13. Coaxial audio cable oxygen-free copper conductor; 14. Gold and silver speaker wire PVC outer sheath; 15. Gold and silver speaker wire anti-interference filler; 16. Gold and silver speaker wire PVC inner sheath; 17. Gold and silver speaker wire tinned copper braided mesh shielding layer; 18. Gold and silver speaker wire aluminum foil shielding layer; 19. Gold and silver speaker wire Teflon insulation layer; 20. Gold and silver speaker wire oxygen-free silver-plated conductor. Detailed Implementation
[0017] The present invention will be further described in detail below with reference to embodiments:
[0018] Example
[0019] like Figure 1 As shown, this utility model provides an anti-interference layered composite audio cable, including a total PVC outer sheath 1, a total tinned copper braided mesh shielding layer 2 disposed on the inner side of the total PVC outer sheath 1, a total aluminum foil shielding layer 3 disposed on the inner side of the total tinned copper braided mesh shielding layer 2, a total PVC inner sheath 4 disposed on the inner side of the total aluminum foil shielding layer 3, an anti-interference filler 5 (furnace-processed conductive carbon black) filled inside the total PVC inner sheath 4, and a coaxial audio cable, an optical fiber audio cable, and gold and silver speaker wire disposed inside the total PVC inner sheath 4.
[0020] The overall PVC outer sheath 1 provides overall protection for the cable. The overall tinned copper braided mesh shielding layer 2 serves as an anti-interference shielding layer and is matched with the overall aluminum foil shielding layer 3. The overall aluminum foil shielding layer 3 is also an anti-interference shielding layer and is matched with the overall tinned copper braided mesh shielding layer 2. The overall PVC inner sheath 4 serves a fixing function, and the anti-interference filler 5 serves an anti-interference shielding function.
[0021] The coaxial audio cable includes a PVC outer sheath 9, which is located inside an anti-interference filler 5 within the inner PVC sheath 4. A tinned copper braided mesh shielding layer 10 is located inside the PVC outer sheath 9. An aluminum foil shielding layer 11 is located inside the tinned copper braided mesh shielding layer 10. A Teflon insulation layer 12 (PTFE) is located inside the aluminum foil shielding layer 11. An oxygen-free copper conductor 13 is located inside the Teflon insulation layer 12.
[0022] The PVC outer sheath 9 of the coaxial audio cable protects the coaxial audio cable. The tinned copper braided shielding layer 10 is an anti-interference shielding layer, which is matched with the aluminum foil shielding layer 11 of the coaxial audio cable. The aluminum foil shielding layer 11 of the coaxial audio cable also serves as an anti-interference shielding layer, and is matched with the tinned copper braided shielding layer 10 of the coaxial audio cable. The Teflon insulation layer 12 of the coaxial audio cable protects the conductor and provides insulation. The oxygen-free copper conductor 13 of the coaxial audio cable is used to transmit audio signals.
[0023] The fiber optic audio cable includes a pure cotton mesh protective layer 6, which is located inside an anti-interference filler 5 within the inner PVC sheath 4. A physical foaming layer 7 (PE) is provided inside the pure cotton mesh protective layer 6, and a fiber optic audio cable glass fiber conductor 8 is provided inside the physical foaming layer 7.
[0024] The pure cotton mesh protective layer 6 of the fiber optic audio cable protects the fiber optic audio cable, the physical foaming layer 7 enhances signal transmission stability and reduces signal loss, and the glass fiber conductor 8 is used to transmit audio signals.
[0025] The gold and silver speaker wire includes a PVC outer sheath 14, an anti-interference filler 15 (furnace conductive carbon black) inside the PVC outer sheath 14, and an inner PVC sheath 16 inside the anti-interference filler 15. There are two inner PVC sheaths 16. Each inner PVC sheath 16 has a tinned copper braided mesh shielding layer 17. Inside the tinned copper braided mesh shielding layer 17 is an aluminum foil shielding layer 18. Inside the aluminum foil shielding layer 18 is a Teflon insulation layer 19 (PTFE). Inside the Teflon insulation layer 19 is an oxygen-free copper silver-plated conductor 20.
[0026] The PVC outer sheath 14 of the gold and silver speaker wire serves to protect the gold and silver speaker wire. The anti-interference filler 15 of the gold and silver speaker wire serves to shield against interference. The PVC inner sheath 16 of the gold and silver speaker wire serves to protect and fix the single core of the gold and silver speaker wire. The tinned copper braided mesh shielding layer 17 of the gold and silver speaker wire serves as an anti-interference shielding layer and is matched with the aluminum foil shielding layer 18 of the gold and silver speaker wire. The aluminum foil shielding layer 18 of the gold and silver speaker wire also serves as an anti-interference shielding layer and is matched with the tinned copper braided mesh shielding layer 17 of the gold and silver speaker wire. The Teflon insulation layer 19 of the gold and silver speaker wire serves to protect the conductor and provide insulation. The oxygen-free copper silver-plated conductor 20 of the gold and silver speaker wire is used to transmit audio signals.
[0027] like Figure 2The diagram shows the connection between the Blu-ray player, amplifier, and speakers. The Blu-ray player is connected to the amplifier via an optical fiber in the cable, and the amplifier is connected to the speakers via gold and silver speaker wires in the cable. The speakers and Blu-ray player are located in the same vicinity, achieving the effect of simultaneously transmitting digital optical fiber signals, coaxial signals, and analog audio power signals in a single line.
[0028] In summary, this utility model proposes a composite cable that integrates the functions of optical fiber, coaxial cable, and speaker cable, enabling single-line multi-signal transmission, reducing wiring complexity, and featuring a multi-layer anti-interference structure to enhance anti-interference capabilities.
[0029] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. An anti-interference layered composite audio cable comprising a total PVC outer sheath (1), characterized in that: The inner side of the total PVC outer sheath (1) is provided with a total tin-plated copper braid screen shield layer (2), the inner side of the total tin-plated copper braid screen shield layer (2) is provided with a total aluminum foil shield layer (3), the inner side of the total aluminum foil shield layer (3) is provided with a total PVC inner sheath (4), the inside of the total PVC inner sheath (4) is filled with anti-interference filler (5), and the inside of the total PVC inner sheath (4) is provided with a coaxial audio line, an optical fiber audio line, a gold-silver horn wire.
2. An interference-resistant, layered composite audio cable according to claim 1, characterized in that: The coaxial audio line comprises a coaxial audio line PVC outer sheath (9), the coaxial audio line PVC outer sheath (9) is arranged in the anti-interference filler (5) in the total PVC inner sheath (4), the inner side of the coaxial audio line PVC outer sheath (9) is provided with a coaxial audio line tin-plated copper braid screen shield layer (10), and the inner side of the coaxial audio line tin-plated copper braid screen shield layer (10) is provided with a coaxial audio line aluminum foil shield layer (11).
3. An interference-resistant, layered composite audio cable according to claim 2, characterized in that: The inner side of the coaxial audio line aluminum foil shield layer (11) is provided with a coaxial audio line Teflon insulation layer (12), and the inner side of the coaxial audio line Teflon insulation layer (12) is provided with a coaxial audio line oxygen-free copper conductor (13).
4. The tamper-resistant layered composite audio cable of claim 1, wherein: The optical fiber audio line comprises an optical fiber audio line pure cotton net protection layer (6), the optical fiber audio line pure cotton net protection layer (6) is arranged in the anti-interference filler (5) in the total PVC inner sheath (4), the inner side of the optical fiber audio line pure cotton net protection layer (6) is provided with an optical fiber audio line physical foaming layer (7), and the inner side of the optical fiber audio line physical foaming layer (7) is provided with an optical fiber audio line glass fiber conductor (8).
5. The tamper-resistant layered composite audio cable of claim 1, wherein: The gold-silver horn wire comprises a gold-silver horn wire PVC outer sheath (14), the inside of the gold-silver horn wire PVC outer sheath (14) is provided with gold-silver horn wire anti-interference filler (15), the inside of the gold-silver horn wire anti-interference filler (15) is provided with a gold-silver horn wire PVC inner sheath (16), the number of the gold-silver horn wire PVC inner sheath (16) is two, and the inside of the two gold-silver horn wire PVC inner sheaths (16) is provided with a gold-silver horn wire tin-plated copper braid screen shield layer (17).
6. An interference-resistant, layered composite audio cable according to claim 5, characterized in that: The inner side of the gold-silver horn wire tin-plated copper braid screen shield layer (17) is provided with a gold-silver horn wire aluminum foil shield layer (18), the inner side of the gold-silver horn wire aluminum foil shield layer (18) is provided with a gold-silver horn wire Teflon insulation layer (19), and the inner side of the gold-silver horn wire Teflon insulation layer (19) is provided with a gold-silver horn wire oxygen-free copper silver-plated conductor (20).