Anti-interference plug wire harness

By introducing a magnetic ring shielding structure and a PVC sheath sealing layer into the plug-in wiring harness, the problem of the wiring harness being susceptible to electromagnetic interference is solved, achieving higher anti-interference and waterproof performance, and extending the service life of the equipment.

CN223651751UActive Publication Date: 2025-12-09ZHEJIANG ZHONGHONG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202522266477.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-27
Publication Date
2025-12-09
Estimated Expiration
2035-10-27

AI Technical Summary

Technical Problem

Existing plug-in wiring harnesses are susceptible to electromagnetic interference, which can cause current disturbances and potentially lead to insufficient power supply or damage to equipment.

Method used

A magnetic ring structure is introduced into the wire harness, and the wire core is wound around the magnetic ring to form a magnetic ring shield structure, which is protected by heat shrink tubing. Combined with a PVC sheath and sealing layer, the waterproof effect is improved.

Benefits of technology

It enhances the anti-interference capability of the wiring harness, improves the power supply stability and waterproof performance of the equipment, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plug wire harnesses, and discloses an anti-interference plug wire harness, which comprises a main body, the main body comprises a plurality of wire cores, one end of each wire core is provided with a square terminal in a pressing manner, and the other end of each wire core is fixedly connected with an aviation socket for current transmission; a PVC sheath, wherein the wire cores are integrated in the PVC sheath; wherein the aviation socket is connected with a pluggable aviation plug, and an aviation plug copper terminal is fixedly arranged in the aviation plug and used for being connected with the aviation socket. According to the anti-interference plug wire harness of the utility model, the anti-interference structure and the magnetic ring winding group are additionally arranged at the exposed part of the PVC sheath of the wire harness, and the wire core is wound on the magnetic ring to form an anti-shielding magnetic ring structure, so that the anti-interference effect of the wire harness is improved, the overall structure is simple, the heat-shrinkable sleeve is additionally arranged to protect the magnetic ring and the wire core, and the service life of the wire harness is prolonged. The sealing layer seals the joint, and the overall waterproof effect of the wire harness is improved.
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Description

Technical Field

[0001] This utility model relates to the field of plug-in harness technology, specifically an anti-interference plug-in harness. Background Technology

[0002] A plug-in harness provides a medium for power transmission to a certain load source group, and is used to connect two control devices to achieve current conduction.

[0003] In the prior art, such as the application with application number CN201820614982.7, the title is: A waterproof plug-in harness, which includes a plug, a harness and a sheath housing. One end of the plug is a plug interface, and the harness passes through the plug and connects to the plug interface. The other end of the plug is provided with a tubular connecting part, and a fixing part is provided on the outer wall of the connecting part. The sheath housing is an injection molded part, which is disposed on the periphery of the connecting part and the end of the harness by injection molding to connect the plug and the harness.

[0004] However, the wire harnesses mentioned in the existing technology, especially those in the seat transmission components, are prone to external electromagnetic interference, which can cause current disturbances within the wire harness, resulting in insufficient power supply to the equipment or even damage to the equipment. Therefore, it is necessary to design an interference-resistant plug-in wire harness. Utility Model Content

[0005] The purpose of this invention is to provide an anti-interference plug-in harness to solve the problems in the prior art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] An interference-resistant plug-in harness, the plug-in harness comprising a body, the body comprising:

[0008] Several wire cores, one end of which is press-fitted with a square terminal and the other end is fixedly connected to an aviation socket for current transmission;

[0009] PVC sheath, wherein the wire core is integrated within the PVC sheath;

[0010] The aviation socket is connected to a pluggable aviation plug, and the aviation plug has a fixed aviation plug copper terminal for connecting to the aviation socket.

[0011] Furthermore, a number tube is fitted onto the square terminal.

[0012] Furthermore, nylon cable ties are fixedly provided on the PVC sheath for securing the PVC sheath.

[0013] Furthermore, a sealing layer is provided at the connection between the PVC sheath and the aviation socket.

[0014] Furthermore, the main body is provided with an anti-interference structure, which includes at least one magnetic ring, with the wire core wound around the magnetic ring.

[0015] Furthermore, a heat-shrink tubing is fitted on the outside of the magnetic ring, and the number of turns of the wire on the magnetic ring is 6.

[0016] The beneficial effects of this utility model are:

[0017] 1. The present invention provides an anti-interference plug-in harness by adding an anti-interference structure to the exposed part of the PVC sheath of the harness and adding a magnetic ring group to wind the wire core around the magnetic ring, forming a magnetic ring structure with anti-shielding, thereby improving the anti-interference effect of the harness.

[0018] 2. The anti-interference plug-in harness of this utility model has a simple overall structure. The addition of heat shrink tubing protects the magnetic ring and wire core, and the sealing layer seals the connection, thereby improving the overall waterproof effect of the harness. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the structure of the plug-in wiring harness of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the aviation plug of this utility model;

[0022] Figure 3 This is a front view structural schematic diagram of the aviation plug of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the plug-in wiring harness of this utility model.

[0024] The annotations in the attached figures are explained as follows:

[0025] 1. Main body; 2. Aviation plug; 11. Sheath; 12. Wire core; 13. Square terminal; 14. Aviation socket; 15. Heat shrink tubing; 16. Magnetic ring; 18. Nylon cable tie; 21. Copper terminal of aviation plug. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] An interference-resistant plug-in harness, such as Figures 1-3As shown, the plug-in harness includes a main body 1, which is composed of a PVC sheath 11 and several wire cores 12. One end of the wire core 12 is press-fitted with a square terminal 13, and a number tube is fitted on the square terminal 13. An aviation socket 14 is fixedly connected to the other end of the wire core 12. An aviation plug 2 is connected to the aviation socket 14. An aviation plug copper terminal 21 is fixedly provided in the aviation plug 2, which is connected to the socket in the aviation socket 14 to achieve conductivity.

[0028] The PVC sheath 11 wraps around the outside of the wire core 12, protecting the wire core 12. Nylon cable ties 18 are fixed on the PVC sheath 11 to secure it. The connection between the PVC sheath 11 and the aviation socket 14 is sealed by applying glue to form a sealing layer to close the gap at the connection.

[0029] In this embodiment, the sealant used at the application point is made of silicone rubber.

[0030] An anti-interference structure is provided on the main body 1, and the anti-interference structure includes at least one magnetic ring 16, such as Figure 4 As shown, for a structure with two wire cores 12, the wire cores 12 are wound around a magnetic ring 16 to form a magnetic ring structure. The shielding effect is achieved through the impedance of the magnetic ring, which has excellent shielding effect. For a structure with three wire cores 12, two wire cores 12 are wound around a magnetic ring 16, and the other wire core 12 is wound around another magnetic ring 16 to form magnetic ring structures respectively.

[0031] Heat shrink tubing 15 is fitted over the outside of the wound magnetic ring 16, or cold shrink tubing can be used instead, to increase the protection of the magnetic ring 16.

[0032] In this embodiment, the wire at point 16 of the magnetic ring is wound 6 times.

[0033] In use, an anti-shielding structure is added to the plug-in wiring harness. Part of the wire core 12 structure is exposed at the PVC sheath 11 on the main body 1. Then, the wire core 12 is wound around the magnetic ring 16. The magnetic ring structure is formed by winding the coil. Then, the sleeve is installed on the outside of the magnetic ring. After the heat shrink sheath is pre-installed, the magnetic ring is protected.

[0034] In practical applications, the wiring harness meets national waterproofing requirements, the wire surface is free of cracks, the overall anti-interference effect is good, and the service life is long.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An anti-interference plug-in harness, the plug-in harness comprising a body (1), characterized in that, The main body (1) includes: Several wire cores (12), one end of which is press-fitted with a square terminal (13) and the other end is fixedly connected to an aviation socket (14) for current transmission; PVC sheath (11), wherein the wire core (12) is integrated inside the PVC sheath (11); The aviation socket (14) is connected to a pluggable aviation plug (2), and the aviation plug (2) is fixedly provided with aviation plug copper terminal (21) for connecting to the aviation socket (14).

2. The anti-interference plug-in harness according to claim 1, characterized in that, The square terminal (13) is fitted with a number tube.

3. The anti-interference plug-in harness according to claim 1, characterized in that, Nylon cable ties (18) are fixedly provided on the PVC sheath (11) for fixing the PVC sheath (11).

4. The anti-interference plug-in harness according to claim 1, characterized in that, A sealing layer is provided at the connection between the PVC sheath (11) and the aviation socket (14).

5. The anti-interference plug-in harness according to claim 1, characterized in that, The main body (1) is provided with an anti-interference structure, which includes at least one magnetic ring (16) with the wire core (12) wrapped around the magnetic ring (16).

6. The anti-interference plug-in harness according to claim 5, characterized in that, The magnetic ring (16) is fitted with a heat shrink tubing (15) on the outside, and the number of turns of the wire on the magnetic ring (16) is 6.

Citation Information

Patent Citations

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    CN208189883U