Low-voltage wiring harness junction box

By designing a low-voltage wiring harness junction box connected to the base plate, the low-voltage plug-ins are integrated and arranged interlaced, the leakage problem caused by scattered wiring harnesses is solved, and wiring efficiency and maintenance convenience are improved.

CN223297300UActive Publication Date: 2025-09-02SHAANXI HANDE AXLE CO LTD
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Patent Information

Application Number
CN202421680648.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-09-02
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The wiring harnesses of electronic components arranged on the axle are scattered, which can easily lead to leakage failures and is difficult to repair.

Method used

It adopts a low-voltage wiring harness junction box with detachable connection between the housing and the base plate. The low-voltage plug-in is integrated in the base plate. The overall layout is beautiful and interlaced, simplifying wiring and improving wiring reliability.

Benefits of technology

It realizes the firm layout and simplified installation of the wiring harness, improves wiring efficiency, facilitates fault repair, and improves the protection effect of the wiring harness joints.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223297300U_ABST
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Abstract

The utility model relates to a low-voltage wire harness junction box, which comprises a shell and a bottom plate, the shell is detachably connected with the bottom plate, the bottom plate is provided with a plurality of low-voltage plug-in units, the low-voltage plug-in units are arranged in a staggered manner, one ends of the low-voltage plug-in units are connected with a whole vehicle wire harness, the whole vehicle wire harness penetrates through the shell to be connected with a whole vehicle, and the other ends of the low-voltage plug-in units are connected with an axle wire harness. The axle wire harness penetrates through the shell to be connected with an axle. The shell and the bottom plate are in detachable split connection, and the low-voltage plug-ins are integrated in the shell and the bottom plate, so that the overall arrangement is attractive, wiring is simple and firm, the wiring efficiency and reliability are improved, and fault maintenance is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a low-voltage wire harness junction box. Background Art

[0002] At present, many electronic components such as ABS, high and low voltage EMB, wear alarm, wheel speed sensor, CAN, etc. are arranged on the axle. The wiring harness terminal positions on the left and right wheel sides are different, and the wiring layout is messy, which is very prone to leakage and other faults, making it difficult to protect and repair. Utility Model Content

[0003] The purpose of the utility model is to provide a low-voltage wiring harness junction box to address the deficiencies of the existing technology. The box adopts a detachable split connection between the shell and the base plate. Low-voltage plug-ins are integrated in the shell and the base plate. The overall layout is beautiful, the wiring is simple and firm, the wiring efficiency and reliability are improved, and fault repair is convenient.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] A low-voltage wiring harness junction box includes a shell and a base plate, the shell and the base plate are detachably connected, the base plate is provided with a plurality of low-voltage plug-ins, the plurality of low-voltage plug-ins are staggered, one end of the plurality of low-voltage plug-ins is connected to the entire vehicle wiring harness, the entire vehicle wiring harness passes through the shell and is connected to the entire vehicle, the other end of the low-voltage plug-in is connected to the axle wiring harness, the axle wiring harness passes through the shell and is connected to the axle.

[0006] Preferably, the shell is provided with a whole vehicle interface and an axle interface, the whole vehicle interface is provided at the upper end of the shell, the axle interface is provided at the lower end of the shell, the whole vehicle wiring harness passes through the whole vehicle interface and is connected to the whole vehicle, and the axle wiring harness passes through the axle interface and is connected to the axle.

[0007] Preferably, the low-voltage plug-in includes a power end plug-in, a wear alarm plug-in, an electronic mechanical brake EMB plug-in and an anti-lock braking system ABS plug-in, and the wear alarm plug-in is provided on the upper end of the electronic mechanical brake EMB plug-in; the base plate is staggered from top to bottom with the power end plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in, and the vehicle wiring harness connection ends of the power end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the whole vehicle through the whole vehicle wiring harness, and the axle wiring harness connection ends of the power end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the axle through the axle wiring harness.

[0008] Preferably, the wear alarm plug-in includes a first wear alarm plug-in and a second wear alarm plug-in, and the electronic brake EMB plug-in includes a first electronic mechanical brake EMB plug-in and a second electronic mechanical brake EMB plug-in. The first wear alarm plug-in is provided on the upper end of the first electronic mechanical brake EMB plug-in, and the second wear alarm plug-in is provided on the upper end of the second electronic mechanical brake EMB plug-in.

[0009] Preferably, the anti-lock braking system (ABS) plug-in includes a first anti-lock braking system (ABS) plug-in and a second anti-lock braking system (ABS) plug-in, the first anti-lock braking system (ABS) plug-in and the second anti-lock braking system (ABS) plug-in are arranged in parallel and perpendicular to the first electro-mechanical brake (EMB) plug-in and the second electro-mechanical brake (EMB) plug-in.

[0010] Preferably, the axle wiring harness connection ends of the power end plug-in and the electronic mechanical brake EMB plug-in are arc-shaped connection ends with an arc of 90°.

[0011] Compared with the prior art, the present invention has the following beneficial technical effects:

[0012] The shell and base plate are detachably connected, and the base plate is integrated with low-voltage plug-ins for circuits. The overall design is beautiful and staggered, making wiring simple and firm, easy to install and maintain, and improving wiring efficiency. At the same time, the split-design junction box improves the protection of the wiring harness connector and can be quickly disassembled during inspection, maintenance or installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the bottom plate of the present utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the bottom plate and the shell of the utility model Figure 1 ;

[0015] Figure 3 This is a schematic diagram of the connection structure between the bottom plate and the shell of the utility model Figure 2 .

[0016] Reference numerals

[0017] 1. Base plate; 2. First wear alarm plug-in; 3. Second wear alarm plug-in; 4. Power end plug-in; 5. First electronic mechanical brake EMB plug-in; 6. Second electronic mechanical brake EMB plug-in; 7. First anti-lock braking system ABS plug-in; 8. Second anti-lock braking system ABS plug-in; 9. Vehicle interface; 10. Housing; 11. Axle interface. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will be combined with the drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the embodiments described 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 efforts should fall within the scope of protection of the present invention.

[0019] like Figure 1-Figure 3 As shown, a low-voltage wiring harness junction box includes a shell 10 and a base plate 1. The shell 10 is detachably connected to the base plate 1. The base plate 1 is provided with a plurality of low-voltage plug-ins, which are staggered. One end of the low-voltage plug-ins is connected to the vehicle wiring harness, which passes through the shell 10 and is connected to the vehicle. The other end of the low-voltage plug-in is connected to the axle wiring harness, which passes through the shell 10 and is connected to the axle.

[0020] The shell 10 is provided with a vehicle interface 9 and an axle interface 11. The vehicle interface 9 is provided at the upper end of the shell 10, and the axle interface 11 is provided at the lower end of the shell 10. The vehicle wiring harness passes through the vehicle interface 9 to be connected to the vehicle, and the axle wiring harness passes through the axle interface 11 to be connected to the axle.

[0021] The shell 10 and the bottom plate 1 can be in the shape of a knife handle, or in the shape of a square or a rectangle. The specific configuration can be flexibly changed according to the actual reserved space of the vehicle.

[0022] The axle interface 11 is used for inserting the wiring harnesses on the axle, and the vehicle interface 9 is used for inserting the wiring harness connectors on the vehicle. The power end plug-in 4, wear alarm plug-in, electronic mechanical brake EMB plug-in and anti-lock braking system ABS plug-in realize complete circuit connection and quick plug-in.

[0023] The low-voltage plug-in includes a power-end plug-in 4, a wear alarm plug-in, an electronic mechanical brake EMB plug-in and an anti-lock braking system ABS plug-in. A wear alarm plug-in is provided on the upper end of the electronic mechanical brake EMB plug-in; the base plate 1 is staggered from top to bottom with the power-end plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in, and the vehicle wiring harness connection ends of the power-end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the vehicle through the vehicle wiring harness, and the axle wiring harness connection ends of the power-end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the axle through the axle wiring harness.

[0024] The electromechanical brake (EMB) system plays a crucial role in the modern automotive industry. It integrates electronic control technology and mechanical braking systems to provide vehicles with a more efficient and intelligent braking solution. The EMB system precisely controls the vehicle's braking system through an electronic control unit (ECU). Sensors detect parameters such as brake pedal force and vehicle speed, transmitting this data to the ECU, which adjusts braking force based on this real-time information. Simultaneously, the motor unit acts as an actuator, electronically controlling the brake disc or drum to achieve rapid response and adjustment of braking force. The EMB is an adapter plug-in for this.

[0025] Only one power-end plug-in 4 is needed, and the vehicle wiring harness and axle wiring harness to which it is connected are integrated wiring harnesses, which integrate low-voltage power lines, CAN lines, key lines and ground lines; the first wear alarm plug-in 2 and the second wear alarm plug-in 3, the first electronic mechanical brake EMB plug-in 5 and the second electronic mechanical brake EMB plug-in 6, the first anti-lock braking system ABS plug-in 7 and the second anti-lock braking system ABS plug-in 8, are respectively connected to the vehicle wiring harness and axle wiring harness with the same functions on the left and right wheel sides.

[0026] The wear alarm plug-in includes a first wear alarm plug-in 2 and a second wear alarm plug-in 3, and the electronic brake EMB plug-in includes a first electronic mechanical brake EMB plug-in 5 and a second electronic mechanical brake EMB plug-in 6. The first wear alarm plug-in 2 is provided on the upper end of the first electronic mechanical brake EMB plug-in 5, and the second wear alarm plug-in 3 is provided on the upper end of the second electronic mechanical brake EMB plug-in 6.

[0027] The ABS plug-in includes a first ABS plug-in 7 and a second ABS plug-in 8 . The first ABS plug-in 7 and the second ABS plug-in 8 are arranged in parallel and perpendicular to the first electromechanical brake EMB plug-in 5 and the second electromechanical brake EMB plug-in 6 .

[0028] The axle wiring harness connection end of the power end plug-in 4 and the electronic mechanical brake EMB plug-in is an arc-shaped connection end with an arc of 90°.

Claims

1. A low voltage wiring harness junction box, characterized in that: The invention comprises a shell (10) and a base plate (1), wherein the shell (10) is detachably connected to the base plate (1), and the base plate (1) is provided with a plurality of low-voltage plug-ins, wherein the plurality of low-voltage plug-ins are arranged in an interlaced manner, wherein one end of the plurality of low-voltage plug-ins is connected to a vehicle wiring harness, and the vehicle wiring harness passes through the shell (10) and is connected to the vehicle, and the other end of the low-voltage plug-in is connected to an axle wiring harness, and the axle wiring harness passes through the shell (10) and is connected to the axle.

2. The low-voltage wiring harness junction box according to claim 1, characterized in that: The housing (10) is provided with a vehicle interface (9) and an axle interface (11), wherein the vehicle interface (9) is provided at the upper end of the housing (10), and the axle interface (11) is provided at the lower end of the housing (10); the vehicle wiring harness passes through the vehicle interface (9) and is connected to the vehicle, and the axle wiring harness passes through the axle interface (11) and is connected to the axle.

3. The low-voltage wiring harness junction box according to claim 2, characterized in that: The low-voltage plug-in comprises a power end plug-in (4), a wear alarm plug-in, an electronic mechanical brake EMB plug-in and an anti-lock braking system ABS plug-in, wherein the wear alarm plug-in is provided on the upper end of the electronic mechanical brake EMB plug-in; the base plate (1) is staggeredly provided with the power end plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in from top to bottom, the vehicle wiring harness connection ends provided with the power end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the vehicle through the vehicle wiring harness, and the axle wiring harness connection ends provided with the power end plug-in, the wear alarm plug-in, the electronic mechanical brake EMB plug-in and the anti-lock braking system ABS plug-in are respectively connected to the axle through the axle wiring harness.

4. The low-voltage wiring harness junction box according to claim 3, characterized in that: The wear alarm plug-in comprises a first wear alarm plug-in (2) and a second wear alarm plug-in (3); the electronic brake EMB plug-in comprises a first electronic mechanical brake EMB plug-in (5) and a second electronic mechanical brake EMB plug-in (6); the first wear alarm plug-in (2) is provided on the upper end of the first electronic mechanical brake EMB plug-in (5); and the second wear alarm plug-in (3) is provided on the upper end of the second electronic mechanical brake EMB plug-in (6).

5. The low-voltage wiring harness junction box according to claim 4, characterized in that: The anti-lock braking system (ABS) plug-in comprises a first anti-lock braking system (ABS) plug-in (7) and a second anti-lock braking system (ABS) plug-in (8); the first anti-lock braking system (ABS) plug-in (7) and the second anti-lock braking system (ABS) plug-in (8) are arranged in parallel and perpendicular to the first electronic mechanical brake (EMB) plug-in (5) and the second electronic mechanical brake (EMB) plug-in (6).

6. The low-voltage wiring harness junction box according to claim 5, characterized in that: The axle wiring harness connection ends of the power end plug-in (4) and the electronic mechanical brake EMB plug-in are arc-shaped connection ends with an arc of 90 degrees.