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CN-224232376-U - High-performance noise-reduction air conditioner wire harness

CN224232376UCN 224232376 UCN224232376 UCN 224232376UCN-224232376-U

Abstract

The utility model relates to the technical field of air conditioner wire harnesses, in particular to a high-performance noise reduction air conditioner wire harness which comprises a conductor core wire, an inner insulating layer, an electromagnetic shielding layer, a damping noise reduction layer and an outer sheath layer, wherein the conductor core wire is of a stranded structure of stranded fine copper wires, the inner insulating layer is made of a modified polyethylene material, the electromagnetic shielding layer comprises an inner metal woven net and an outer conductive polymer film, the damping noise reduction layer consists of a butyl rubber matrix and microcapsule damping materials dispersed in the butyl rubber matrix, and the outer sheath layer is made of a thermoplastic polyurethane elastomer material. According to the utility model, the inner insulating layer, the electromagnetic shielding layer, the damping noise reduction layer and the outer sheath layer are arranged, so that electromagnetic interference noise and mechanical vibration noise of an air conditioning wire harness in the operation of an air conditioning system are reduced.

Inventors

  • HU YANFEN

Assignees

  • 青岛裕硕电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (10)

  1. 1. A high performance noise reduction air conditioning harness, comprising: A conductor core wire (1) adopts a stranded structure of a plurality of strands of fine copper wires; an inner insulating layer (2) made of a modified polyethylene material; an electromagnetic shielding layer (3) comprising an inner layer metal woven mesh (4) and an outer layer conductive polymer film (5); the damping noise reduction layer (6) consists of a butyl rubber matrix and microcapsule damping materials dispersed in the butyl rubber matrix; And the outer sheath layer (7) is made of thermoplastic polyurethane elastomer material.
  2. 2. The high-performance noise reduction air conditioner wire harness as claimed in claim 1, wherein the surface of the conductor core wire (1) is silver plating.
  3. 3. The high-performance noise reduction air conditioner wiring harness according to claim 2, wherein the conductor core wire (1) is twisted in a concentric layer manner, and the twisting pitch ratio is 12-18.
  4. 4. A high performance noise reduction air conditioner wiring harness as in claim 1, wherein the thickness of said inner insulation layer (2) is 0.8-1.2mm.
  5. 5. The high-performance noise reduction air conditioner wire harness of claim 1, wherein the microcapsule damping material has a particle size of 50-200 μm and a mass fraction of 15% -25%.
  6. 6. The high-performance noise reduction air conditioner wire harness of claim 5, wherein the microcapsule damping material is polyurea microcapsules coated with silicone oil, and the viscosity of the silicone oil is 1000-5000cSt.
  7. 7. The high-performance noise reduction air conditioner wire harness as claimed in claim 1, wherein the Shore hardness of the outer sheath layer (7) is 75-85A.
  8. 8. The high-performance noise reduction air conditioner wire harness of claim 7, wherein the surface of the outer sheath layer (7) is provided with a spiral groove (8), and the depth of the spiral groove (8) is 0.3-0.8mm.
  9. 9. The high-performance noise reduction air conditioner wiring harness according to claim 1, wherein the metal woven mesh (4) is woven by tin-plated copper wires, the weaving density is 85% -95%, and the conductive polymer film (5) contains nano silver particles with the mass fraction of 3% -8%.
  10. 10. The high-performance noise reduction air conditioner wire harness of claim 9, wherein a conductive contact layer (9) is arranged between the metal woven mesh (4) and the conductive polymer film (5), and the conductive contact layer (9) is a non-woven fabric coated with conductive silver paste.

Description

High-performance noise-reduction air conditioner wire harness Technical Field The utility model relates to the technical field of air conditioner wire harnesses, in particular to a high-performance noise-reduction air conditioner wire harness. Background The air conditioning wire harness is an electrical connection assembly integrating a plurality of wires and is responsible for power supply, control signal transmission and data communication among all modules in an air conditioning system. When the air conditioning system is in operation, the air conditioning wire harness connecting the components can generate electromagnetic interference in the current transmission process, and meanwhile, mechanical noise can be generated due to vibration transmission, and the noise can be small, but the sleeping of a user can be influenced when a person is at night, so the utility model aims to provide the high-performance noise reduction air conditioning wire harness capable of reducing the electromagnetic interference noise of the air conditioning wire harness and inhibiting the mechanical vibration noise of the air conditioning wire harness. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a high-performance noise reduction air conditioner wire harness, which can reduce electromagnetic interference noise of the air conditioner wire harness and inhibit mechanical vibration noise of an air conditioner wire harness machine so as to solve the problem that the electromagnetic interference noise of the air conditioner wire harness and the mechanical vibration noise of the air conditioner wire harness in the prior art can influence sleeping of a user. (II) technical scheme In order to achieve the aim, the utility model provides a high-performance noise reduction air conditioner wire harness which comprises a conductor core wire, an inner insulating layer, an electromagnetic shielding layer, a damping noise reduction layer and an outer sheath layer, wherein the conductor core wire is of a stranded structure of stranded fine copper wires, the inner insulating layer is made of a modified polyethylene material, the electromagnetic shielding layer comprises an inner metal woven net and an outer conductive polymer film, the damping noise reduction layer consists of a butyl rubber matrix and microcapsule damping materials dispersed in the butyl rubber matrix, and the outer sheath layer is made of a thermoplastic polyurethane elastomer material. Optionally, the surface of the conductor core wire is silver plating. Optionally, the conductor core wire is twisted by adopting a concentric layer twisting mode, and the twisting pitch ratio is 12-18. Optionally, the thickness of the inner insulating layer is 0.8-1.2mm. Optionally, the microcapsule damping material has a particle size of 50-200 μm and a mass fraction of 15% -25%. Optionally, the microcapsule damping material is polyurea microcapsules coated with silicone oil, wherein the viscosity of the silicone oil is 1000-5000cSt. Optionally, the shore hardness of the outer sheath layer is 75A-85A. Optionally, a spiral groove is formed in the surface of the outer sheath layer, and the depth of the spiral groove is 0.3-0.8mm. Optionally, the metal woven mesh is woven by tinned copper wires, the weaving density is 85% -95%, and the conductive polymer film contains nano silver particles with the mass fraction of 3% -8%. Optionally, a conductive contact layer is arranged between the metal woven mesh and the conductive polymer film, and the conductive contact layer is a non-woven fabric coated with conductive silver paste. (III) beneficial effects Compared with the prior art, the utility model provides the high-performance noise reduction air conditioner wire harness, which has the following beneficial effects: 1. according to the utility model, the inner insulating layer, the electromagnetic shielding layer, the damping noise reduction layer and the outer sheath layer are arranged, so that electromagnetic interference noise and mechanical vibration noise of an air conditioning wire harness in the operation of an air conditioning system are reduced; 2. By arranging the conductive contact layer, the utility model ensures good electrical connection between the metal woven mesh and the conductive polymer film, eliminates the reduction of shielding effect caused by contact resistance and poor contact, provides a stable low-impedance channel for conductive silver paste, provides flexibility and mechanical support for the non-woven fabric substrate, and ensures the integrity and reliability of the shielding layer; 3. the utility model provides additional flexibility and heat dissipation by providing the spiral grooves. Drawings Fig. 1 shows a schematic perspective view of the present utility model; Fig. 2 shows a schematic view of the utility model in front cut-away configuration. In the figure, 1, a conductor core w