Waterproof wire harness for lamp driving board of new energy automobile

By using external threaded plastic sleeves and silicone sheaths in the wiring harness of the new energy vehicle light drive board, the waterproofing problem at the wiring harness connection is solved, achieving better sealing and waterproofing effect.

CN120432931APending Publication Date: 2025-08-05CHANGZHOU XUPENG PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202410165330.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-02-05
Publication Date
2025-08-05

AI Technical Summary

Technical Problem

The external connection parts of the existing new energy vehicle light driver board wiring harness are exposed, and the waterproofing effect is poor, and there are hidden dangers of loosening and water seepage.

Method used

Install an external threaded plastic sleeve at the end of each wire body and seal it with the screw holes of the plug connector. At the same time, a silicone sheath is installed around the single bundle cannula to ensure that the wire body is electrically in contact with the battery cell and enhance the sealing.

Benefits of technology

It effectively avoids external exposure at the wiring harness connection, improves waterproofing, and ensures a firm sealing plug-in.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention discloses a waterproof wire harness for a lamp drive board of a new energy automobile. The waterproof wire harness comprises a wire harness body, a wire body, an external thread plastic sleeve, a connecting plug, a screw hole, a silica gel sheath, a single-bundle insertion tube, a battery cell, a thin steel sheet and a bolt. According to the invention, the design is reasonable, one external thread plastic sleeve is arranged at the bare wire part of each wire body in the wire harness, and the external thread plastic sleeves are in sealed threaded connection with the screw holes in the connecting plugs, so that the bare wire part of each wire body is electrically contacted with the battery cell in the single-bundle insertion tube; the problem that the connecting position is exposed outside is avoided, the single-bundle insertion tube has a certain length, the silica gel sheath is located on the single-bundle insertion tube, the structure function of firm sealing insertion connection is achieved, and the waterproof effect is greatly improved.
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Description

Technical Field

[0001] The invention relates to a waterproof wiring harness for a lamp driver board of a new energy vehicle, belonging to the technical field of circuit wiring harnesses of new energy vehicles. Background Art

[0002] Existing wiring harnesses for new energy vehicle headlight driver boards have relatively exposed external connections, resulting in poor waterproofing. Furthermore, the gap between the connector at one end of the wiring harness and the socket on the new energy vehicle is not tightly sealed, posing potential risks of loosening and water seepage. Therefore, a waterproof wiring harness for new energy vehicle headlight driver boards is proposed to address these issues. Summary of the Invention

[0003] The purpose of the present invention is to provide a waterproof wiring harness for a new energy vehicle lamp driver board in order to solve the above problems.

[0004] The present invention achieves the above-mentioned purpose through the following technical scheme: a waterproof wiring harness for a new energy vehicle light driver board, comprising a wiring harness body, wherein each wire end located at one end of the wiring harness body is fixedly installed with an externally threaded plastic sleeve, and the externally threaded plastic sleeve is sealed and threadedly connected to the corresponding screw hole on the plug connector, each wire end is in electrical contact with a battery cell located in a single-bundle insert, and a silicone sheath is provided around the single-bundle insert.

[0005] Preferably, thin steel sheets are connected between the plug connector and one end of the wiring harness body in an upper and lower distribution, and bolts are provided on both sides of one end of the thin steel sheet.

[0006] Preferably, the cross-section of the externally threaded plastic sleeve is circular, and the inside of the externally threaded plastic sleeve and the corresponding parts of the end of the wire body are sealed and connected to each other.

[0007] Preferably, the cross-section of the silicone sheath is square, and the silicone sheath is in close contact with the hole wall of the external socket through deformation.

[0008] Preferably, the single bundle cannula is made of insulating material.

[0009] The beneficial effects of the present invention are as follows: an externally threaded plastic sleeve is installed on the bare wire portion of each wire body in the wiring harness, and the externally threaded plastic sleeve is used to seal and thread the screw hole on the plug connector, and at the same time, the bare wire portion on each wire body is electrically contacted with the battery core located in the single-bundle plug-in tube, avoiding the problem of the connection being exposed to the outside, and the single-bundle plug-in tube has a certain length and a silicone sheath located on the single-bundle plug-in tube, which has the structural function of firm sealing and plugging, greatly improving the waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 A perspective view of the overall structure of the present invention;

[0012] Figure 2 It is a side view of the overall structure of the present invention;

[0013] Figure 3 It is a front view of the plug connector structure of the present invention.

[0014] In the figure: 1. Wire harness body; 11. Wire body; 12. Externally threaded plastic sleeve; 2. Plug connector; 21. Screw hole; 22. Silicone sheath; 23. Single bundle insert; 24. Battery cell; 3. Thin steel sheet; 4. Bolt. DETAILED DESCRIPTION

[0015] In order to make the purposes, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0016] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0017] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] See also Figure 1-3 As shown, a waterproof wiring harness for a new energy vehicle light driver board includes a wiring harness body 1. An externally threaded plastic sleeve 12 is fixedly installed at the end of each wire body 11 at one end of the wiring harness body 1, and the externally threaded plastic sleeve 12 is sealed and threadedly connected to the corresponding screw hole 21 on the plug connector 2. Each end of the wire body 11 is in electrical contact with the battery core 24 located in the single-bundle insert 23, and a silicone sheath 22 is provided around the single-bundle insert 23.

[0019] Furthermore, thin steel sheets 3 are connected between the plug connector 2 and one end of the wiring harness body 1 , and bolts 4 are provided on both sides of one end of the thin steel sheet 3 , which helps to enhance the tensile strength between the wiring harness body 1 and the plug connector 2 .

[0020] Furthermore, the cross section of the externally threaded plastic sleeve 12 is circular, and the internal portion of the externally threaded plastic sleeve 12 and the corresponding portion of the end portion of the wire body 11 are sealed and connected to each other.

[0021] Furthermore, the cross section of the silicone sheath 22 is square, and the silicone sheath 22 is in close contact with the hole wall of the external socket through deformation.

[0022] Furthermore, the single bundle cannula 23 is made of insulating material.

[0023] When the present invention is in use, an externally threaded plastic sleeve 12 is installed on the bare wire portion of each wire body 11 in the wiring harness, and the externally threaded plastic sleeve 12 is used to seal and thread the screw hole 21 on the plug connector 2. At the same time, the bare wire portion on each wire body 11 is electrically contacted with the battery core 24 located in the single-bundle plug tube 23, avoiding the problem of the connection being exposed to the outside. The single-bundle plug tube 23 has a certain length and the silicone sheath 22 located on the single-bundle plug tube 23 has a structural function of firm sealing and plugging, which greatly improves the waterproof effect.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and it is intended that all variations within the meaning and scope of the appended claims be encompassed. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0025] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A waterproof wiring harness for a new energy vehicle light driver board, comprising a wiring harness body (1), characterized in that: An externally threaded plastic sleeve (12) is fixedly mounted on the end of each wire body (11) at one end of the wiring harness body (1), and the externally threaded plastic sleeve (12) is sealed and threadedly connected to a corresponding screw hole (21) on the plug connector (2). Each wire body (11) end is in electrical contact with an electric core (24) located in a single-bundle plug tube (23), and a silicone sheath (22) is provided around the single-bundle plug tube (23).

2. A waterproof wiring harness for a new energy vehicle light driver board according to claim 1, characterized in that: Thin steel sheets (3) are connected between the plug connector (2) and one end of the wiring harness body (1) in an upper and lower distribution, and bolts (4) are provided on both sides of one end of the thin steel sheet (3).

3. A waterproof wiring harness for a new energy vehicle light driver board according to claim 1, characterized in that: The cross section of the externally threaded plastic sleeve (12) is circular, and the internal portion of the externally threaded plastic sleeve (12) and the corresponding portion of the end portion of the wire body (11) are sealed and connected to each other.

4. A waterproof wiring harness for a new energy vehicle light driver board according to claim 1, characterized in that: The cross section of the silicone sheath (22) is square, and the silicone sheath (22) is in close contact with the hole wall of the external socket through deformation.

5. The waterproof wiring harness for a new energy vehicle light driver board according to claim 1, characterized in that: The single bundle cannula (23) is made of insulating material.