Anti-interference shielding type electronic wire harness structure

Abstract

The utility model discloses an anti-interference shielding type electronic wire harness structure, which comprises an electronic wire harness body, the electronic wire harness body comprises four core wires, the outer side of each core wire is coated with a first insulating layer, the four core wires are fixedly connected through a cross separator, the outer side of the first insulating layer is provided with a primary shielding layer, and the outer side of the primary shielding layer is provided with a secondary shielding layer. A filling layer is filled between the cross separator and the primary shielding layer, an inner composite layer is arranged on the outer side of the primary shielding layer, a primary anti-interference outer layer is arranged on the outer side of the inner composite layer, an outer composite layer is arranged on the outer side of the primary anti-interference outer layer, and an insulating sheath is arranged on the outer side of the outer composite layer. According to the electronic wire harness structure, the primary shielding layer, the inner anti-interference layer in the inner composite layer and the outer shielding layer in the outer composite layer are designed, so that multiple shielding protection is formed, the influence of external electromagnetic interference on transmission signals in the wire harness is effectively prevented, and the anti-interference capability of the wire harness is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic wire harnesses, in particular to an anti-interference shielding type electronic wire harness structure. Background Art

[0002] The electronic wiring harness is a wire used for electronic control input and output, generally a low-voltage electronic wire group. It builds a bridge of communication between two or more isolated electronic circuits, thereby enabling the flow of current and realizing the various functions of various electronic components. It is an indispensable component in various electrical and electronic equipment.

[0003] Traditional electronic wiring harnesses have poor anti-interference, waterproof and fireproof capabilities, and the core structure is not very stable. For this reason, we propose an anti-interference shielding type electronic wiring harness structure. Utility Model Content

[0004] The utility model aims to provide an anti-interference shielding type electronic wiring harness structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-interference shielded electronic wire harness structure, including an electronic wire harness body, the electronic wire harness body including four core wires, the outer side of the core wires is covered with a first insulating layer, the four core wires are fixedly connected by a cross divider, a primary shielding layer is arranged on the outer side of the first insulating layer, a filling layer is filled between the cross divider and the primary shielding layer, an inner composite layer is arranged on the outer side of the primary shielding layer, a primary anti-interference outer layer is arranged on the outer side of the inner composite layer, an outer composite layer is arranged on the outer side of the primary anti-interference outer layer, and an insulating outer skin is arranged on the outer side of the outer composite layer.

[0006] A male connector and a female connector are fixedly mounted on the top and bottom of the electronic wiring harness body, respectively.

[0007] The primary shielding layer comprises a first shielding layer and a second insulating layer which are arranged from the inside to the outside, wherein the first shielding layer is made of a copper wire braided layer, and the second insulating layer is made of insulating paper or a plastic film.

[0008] The inner composite layer includes a fireproof layer, a soft isolation layer and an inner anti-interference layer arranged from the inside to the outside, the fireproof layer adopts flame-retardant materials such as flame-retardant polyolefin, the soft isolation layer adopts rubber or soft plastic, and the inner anti-interference layer adopts metal foil or woven mesh.

[0009] The outer composite layer includes a waterproof layer and an outer shielding layer arranged from the inside to the outside, the waterproof layer is made of waterproof material such as polyethylene or polytetrafluoroethylene, and the outer shielding layer is made of metal braided mesh or metal foil.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The electronic wiring harness structure is designed with a primary shielding layer, an inner anti-interference layer in the inner composite layer, and an outer shielding layer in the outer composite layer, forming multiple shielding protections, effectively preventing external electromagnetic interference from affecting the transmission signal in the wiring harness, and improving the anti-interference ability of the wiring harness.

[0012] An insulating layer is provided between each shielding layer and on the outside of the core wire to ensure electrical isolation between the core wires inside the wiring harness and between the wiring harness and the external environment, thereby improving the insulation performance of the wiring harness and ensuring the stability and safety of signal transmission.

[0013] The fireproof layer in the inner composite layer is made of flame-retardant material, which can effectively prevent the spread of flames and improve the fireproof performance of the wiring harness; the waterproof layer in the outer composite layer is made of waterproof material, which can prevent moisture from penetrating into the wiring harness and ensure the normal operation of the wiring harness in a humid or water-spraying environment.

[0014] The four core wires are fixedly connected together by a cross separator, which enhances the stability of the wiring harness structure; at the same time, the tight fit design between each layer makes the entire wiring harness structure more compact and durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the electronic wiring harness body of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the primary shielding layer of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the inner composite layer of the utility model;

[0019] Figure 5 It is a cross-sectional schematic diagram of the outer composite layer of the utility model.

[0020] In the figure: 1. core wire; 2. first insulating layer; 3. cross separator; 4. filling layer; 5. primary shielding layer; 6. inner composite layer; 7. primary anti-interference outer layer; 8. outer composite layer; 9. insulating outer skin; 10. first shielding layer; 11. second insulating layer; 12. fireproof layer; 13. soft isolation layer; 14. inner anti-interference layer; 15. waterproof layer; 16. outer shielding layer; 17. male connector; 18. female connector; 19. electronic wiring harness body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides a technical solution: an anti-interference shielding type electronic wire harness structure, including an electronic wire harness body 19, the electronic wire harness body 19 includes four core wires 1, the outer side of the core wire 1 is coated with a first insulating layer 2, the four core wires 1 are fixedly connected by a cross divider 3, a primary shielding layer 5 is arranged on the outer side of the first insulating layer 2, a filling layer 4 is filled between the cross divider 3 and the primary shielding layer 5, an inner composite layer 6 is arranged on the outer side of the primary shielding layer 5, a primary anti-interference outer layer 7 is arranged on the outer side of the inner composite layer 6, an outer composite layer 8 is arranged on the outer side of the primary anti-interference outer layer 7, and an insulating outer skin 9 is arranged on the outer side of the outer composite layer 8.

[0023] The top and bottom of the electronic harness body 19 are respectively fixedly mounted with a male connector 17 and a female connector 18 .

[0024] The primary shielding layer 5 includes a first shielding layer 10 and a second insulating layer 11 arranged from the inside to the outside. The first shielding layer 10 is made of a copper wire braided layer, and the second insulating layer 11 is made of insulating paper or plastic film.

[0025] The inner composite layer 6 includes a fireproof layer 12, a soft isolation layer 13 and an inner anti-interference layer 14 arranged from the inside to the outside. The fireproof layer 12 is made of flame-retardant materials such as flame-retardant polyolefin, the soft isolation layer 13 is made of rubber or soft plastic, and the inner anti-interference layer 14 is made of metal foil or woven mesh.

[0026] The outer composite layer 8 includes a waterproof layer 15 and an outer shielding layer 16 which are arranged from the inside to the outside. The waterproof layer 15 is made of waterproof material such as polyethylene or polytetrafluoroethylene, and the outer shielding layer 16 is made of a metal braided mesh or a metal foil.

[0027] Core wire 1: As the main carrier of current, it is responsible for transmitting electrical energy or signals.

[0028] The first insulating layer 2 is wrapped around the outside of the core wire 1 to prevent current leakage, ensure that the current is transmitted only along the core wire 1, and provide electrical insulation protection.

[0029] Cross separator 3: used for fixing and connecting four core wires 1, keeping their relative positions stable, and preventing short circuit caused by mutual contact.

[0030] Primary shielding layer 5: The first shielding layer 10 is used to shield external electromagnetic interference and reduce signal distortion; the second insulating layer 11 further provides electrical insulation.

[0031] Inner composite layer 6: The fireproof layer 12 improves the flame retardant performance of the wiring harness and prevents the spread of fire; the soft isolation layer 13 provides softness and buffering effect; the inner anti-interference layer 14 enhances the electromagnetic shielding effect.

[0032] Primary anti-interference outer layer 7: As another layer of electromagnetic shielding, it further improves the ability of the wiring harness to resist external electromagnetic interference.

[0033] Outer composite layer 8: The waterproof layer 15 prevents moisture from invading the interior of the wiring harness and protects the internal structure from being affected by moisture; the outer shielding layer 16 provides ultimate electromagnetic shielding protection.

[0034] Insulation sheath 9: As the outermost layer of protection for the wiring harness, it provides electrical insulation and mechanical protection to prevent the wiring harness from being damaged by the external environment.

[0035] Male connector 17 and female connector 18: used to connect the wiring harness with other devices or wiring harnesses to ensure smooth transmission of current or signals.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-interference shielding type electronic wire harness structure, comprising an electronic wire harness body (19), characterized in that: The electronic wire harness body (19) comprises four core wires (1), the outer side of the core wires (1) is coated with a first insulating layer (2), the four core wires (1) are fixedly connected by a cross separator (3), a primary shielding layer (5) is arranged on the outer side of the first insulating layer (2), a filling layer (4) is filled between the cross separator (3) and the primary shielding layer (5), an inner composite layer (6) is arranged on the outer side of the primary shielding layer (5), a primary anti-interference outer layer (7) is arranged on the outer side of the inner composite layer (6), an outer composite layer (8) is arranged on the outer side of the primary anti-interference outer layer (7), and an insulating outer skin (9) is arranged on the outer side of the outer composite layer (8).

2. The anti-interference shielding type electronic wiring harness structure according to claim 1, characterized in that: A male connector (17) and a female connector (18) are fixedly mounted on the top and bottom of the electronic wire harness body (19), respectively.

3. The anti-interference shielding type electronic wiring harness structure according to claim 1, characterized in that: The primary shielding layer (5) comprises a first shielding layer (10) and a second insulating layer (11) arranged from the inside to the outside, the first shielding layer (10) is a copper wire braided layer, and the second insulating layer (11) is insulating paper or plastic film.

4. The anti-interference shielding type electronic wiring harness structure according to claim 1, characterized in that: The inner composite layer (6) comprises a fireproof layer (12), a soft isolation layer (13) and an inner anti-interference layer (14) arranged from the inside to the outside, the fireproof layer (12) is made of flame-retardant polyolefin, the soft isolation layer (13) is made of rubber or soft plastic, and the inner anti-interference layer (14) is made of metal foil or woven mesh.

5. The anti-interference shielding type electronic wiring harness structure according to claim 1, characterized in that: The outer composite layer (8) comprises a waterproof layer (15) and an outer shielding layer (16) arranged from the inside to the outside, the waterproof layer (15) is made of polyethylene or polytetrafluoroethylene, and the outer shielding layer (16) is made of a metal braided mesh or a metal foil.

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