Wire harness assembly of vehicle-mounted Ethernet

Abstract

The invention relates to the technical field of vehicle-mounted wire harnesses, and discloses a vehicle-mounted Ethernet wire harness assembly, which comprises a network cable, a wiring end and a fusiform split shell, the shell wraps the wiring end through splicing of the clamping block and the clamping groove, the two ends are provided with spring pre-tightened sharp plug mechanisms, and oblique tooth grooves of the sharp plug mechanisms reversely lock displacement of the network cable. Elastic isolation wires containing metal wires are arranged in the circumferential direction of the shell and have buffering and electromagnetic shielding functions; hollow heat dissipation rods are inserted into the inclined heat dissipation holes, active heat removal is achieved through the negative pressure flow guide effect, and the elastic ends of the heat dissipation rods abut against the wiring ends to form damping supporting. According to the scheme, the defects that a traditional wire harness is prone to loosening and insufficient in heat dissipation under vibration and high temperature are overcome, and the wire harness is suitable for the vehicle-mounted harsh environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle wiring harness, in particular to a vehicle Ethernet wiring harness assembly with anti-vibration and heat dissipation capability. BACKGROUND

[0002] The vehicle Ethernet wiring harness is a wiring harness used for transmitting automotive network data, which is used to connect various vehicle electronic devices (such as instrument panel, drive recorder, navigation system, audio system, camera, etc.), and realizes data communication and transmission through Ethernet protocol.

[0003] Generally speaking, the vehicle Ethernet wiring harness needs to meet the following requirements: 1. Reliable quality: The vehicle Ethernet wiring harness needs to run in different environments of the car, such as high temperature, low temperature, high humidity, etc. Therefore, the wiring harness needs to withstand different environmental influences.

[0004] 2. Fast data transmission speed: The vehicle data transmission speed using Ethernet technology is much higher than that of traditional vehicle wiring harness, so the vehicle Ethernet wiring harness also needs to have high-speed transmission capability.

[0005] 3. Save space: Due to the limited space inside the car, the vehicle Ethernet wiring harness needs to have a compact design to save space to the maximum extent.

[0006] 4. High safety performance: Vehicle data security is very important for car drivers and road safety, so the vehicle Ethernet wiring harness needs to ensure the security of the transmitted data.

[0007] However, when the vehicle Ethernet wiring harness is used in the engine compartment and other high-temperature vibration environments for a long time, the connector is prone to loosening due to mechanical vibration, causing signal transmission interruption; at the same time, the concentrated heating of the wiring end accelerates the aging of the cable, and the traditional protective shell relies on passive heat dissipation holes, and the sealing performance and heat dissipation efficiency are difficult to balance. The existing scheme is insufficient to suppress high-frequency micro-vibration, and lacks a dynamic heat dissipation mechanism, which is difficult to adapt to the stringent tolerance requirements of vehicle working conditions, and the maintenance cost is high.

[0008] In view of this, the present application provides a vehicle Ethernet wiring harness assembly, which solves the above technical problems. SUMMARY

[0009] Based on the pain points of traditional vehicle Ethernet wiring harnesses that are prone to loosening and poor heat dissipation in vibration and high-temperature environments, the present application provides a wiring harness assembly integrated with a protective shell.

[0010] The technical solution adopted by the present application to solve its technical problems is a vehicle Ethernet wiring harness assembly, which comprises a network cable and a wiring end, the port part of the network cable is provided with a wiring end for connection and transmission, and in addition, a shell is further included.

[0011] The shell is fixedly installed on the network cable, and the connecting end is located at the inner side of the shell.

[0012] The shell is composed of two half shells with a shuttle-shaped longitudinal section, the connecting end is located in the belly cavity formed at the inner side of the shell, and the network cable is led out from the sharp part at the two ends of the shell.

[0013] As a further technical solution of the application: the two sides of the shell are provided with clamping grooves for docking, the clamping block is provided with a clamping jaw, and the clamping jaw is buckled in the clamping groove.

[0014] As a further technical solution of the application: the sharp plug is movably installed at the position of the sharp part at the two ends of the shell, the sharp plug is a tapered cylindrical elastic rubber material, and the outer contour of the sharp plug smoothly transitions with the outer contour of the shell.

[0015] As a further technical solution of the application: a pressure groove is provided at the position of the fit of the sharp plug and the end part of the shell, a pressure spring is fixedly installed in the pressure groove, and the movable end of the pressure spring abuts against the side wall of the end part of the shell.

[0016] As a further technical solution of the application: a bevel tooth groove is provided at the position of the contact surface of the sharp plug and the network cable.

[0017] As a further technical solution of the application: a plurality of isolation wires are circumferentially installed at the position of the outer wall of the shell, the isolation wires are hollow conductive foam materials, and metal wires are filled and arranged in the hollow cavities.

[0018] As a further technical solution of the application: a plurality of heat dissipation holes are circumferentially provided at the side walls of the two ends of the shell, and the heat dissipation holes are arranged at intervals between the isolation wires.

[0019] As a further technical solution of the application: the heat dissipation holes are all inclined and are inclined to the center area of the belly cavity of the shell along the hole diameter axis.

[0020] As a further technical solution of the application: a heat dissipation rod is inserted and installed in each heat dissipation hole, and the heat dissipation rod is a hollow structure.

[0021] As a further technical solution of the application: the connecting part of the heat dissipation rod and the heat dissipation hole is a metal part made of metal material, the free end of the heat dissipation rod is an elastic part made of elastic rubber material, and the free end of the heat dissipation rod elastically abuts against the side wall of the connecting end.

[0022] The beneficial effects of the present application: the Ethernet cable harness assembly fits the shuttle-shaped shell, the two half shells are spliced to wrap the terminal, the elastic tip plug is arranged at the tip of the two ends to clamp the network cable, the oblique tooth groove is reversely locked to prevent displacement, the metal wire is arranged in the circumferential isolation wire of the shell, and the shell has the functions of buffering and electromagnetic shielding, the shell is provided with a heat dissipation hole, the airflow negative pressure is used to actively dissipate heat, and the elastic end of the heat dissipation rod abuts against the terminal to provide shock absorption support. The scheme significantly improves the vibration resistance, heat dissipation efficiency and connection stability, and is suitable for harsh environments such as engine compartments. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present application will be further described below in combination with the drawings and examples.

[0024] Figure 1 The present application is a network cable and terminal position diagram; Figure 2 It is a partial three-dimensional structure diagram of the shell; Figure 3 It is an enlarged diagram of A in Figure 2 Figure 4 It is a first position diagram of the shell and the network cable; Figure 5 It is a second position diagram of the shell and the network cable; Figure 6 It is a third position diagram of the shell and the network cable; Figure 7 It is an enlarged diagram of B in Figure 6 Figure 8 It is a position relationship diagram of the isolation wire and the heat dissipation hole; In the figure: 1, network cable; 2, terminal; 3, shell; 31, clamping groove; 4, clamping block; 5, tip plug; 51, pressure groove; 52, pressure spring; 53, oblique tooth groove; 32, isolation wire; 33, heat dissipation hole; 34, heat dissipation rod; 341, metal part; 342, elastic part. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below in combination with specific embodiments.

[0026] Based on the pain points that the traditional vehicle-mounted Ethernet cable harness is easy to loosen and has insufficient heat dissipation in vibration and high temperature environments, the present application provides a cable harness assembly integrated with a protective shell.

[0027] As Figure 1 , and Figures 4 to 6 ​​As shown, the preferred embodiment of the present application provides a wire harness assembly for vehicle-mounted Ethernet, which comprises a network cable 1 and a connector 2, the port part of the network cable 1 is provided with the connector 2 for connection and transmission, and further comprises a shell 3.

[0028] The shell 3 is fixedly installed on the network cable 1, and the connector 2 is located inside the shell 3.

[0029] The shell 3 is composed of two half-shells with a shuttle-shaped structure in longitudinal section, the connector 2 is located in the belly cavity formed inside the shell 3, and the network cable 1 is led out from the sharp part at both ends of the shell 3.

[0030] When performing the layout operation of the long-distance vehicle-mounted Ethernet, the multiple network cables 1 are connected and data is transmitted through the connector 2, the shell 3 is integrally sleeved on the periphery of the connector 2 for daily protection.

[0031] Further, as shown in Figure 6 and Figure 7 , the shell 3 is provided with a clamping groove 31 on both sides for connection, and the clamping block 4 is provided with a clamping jaw which is buckled in the clamping groove 31.

[0032] The shell 3 is spliced, which is convenient for disassembly and installation, and improves the efficiency.

[0033] Further, as shown in Figures 4 to 6 , and Figure 8 , the sharp plug 5 is movably installed at the sharp part position of the shell 3, the sharp plug 5 is a tapered cylindrical elastic rubber material, and the outer contour of the sharp plug 5 and the outer contour of the shell 3 are smoothly transitioned.

[0034] The provided sharp plug 5 realizes protection of the insulation layer of the network cable 1 by using its own elastic wrapping capacity, preventing scratching and tearing.

[0035] Further, as shown in Figure 3 , the sharp plug 5 is provided with a pressure groove 51 at the abutting position of the end part of the shell 3, a pressure spring 52 is fixedly installed in the pressure groove 51, and the movable end of the pressure spring 52 abuts against the side wall of the end part of the shell 3.

[0036] One end of the sharp plug 5 is clamped at the port part of the shell 3, when the network cable 1 is installed and put in, the pressure spring 52 makes the sharp plug 5 tightly abut against the outer wall of the insulation layer of the network cable 1 by its own elastic force, realizing holding, and further realizing the fixation of the position of the connector 2 in the belly cavity of the shell 3.

[0037] Further, as shown in Figure 3 , the contact surface position of the sharp plug 5 and the network cable 1 is provided with an inclined tooth groove 53.

[0038] The inclined tooth-shaped groove 53 is arranged in a direction opposite to the pulling direction of the network cable 1, and the clamping force formed by the tooth-shaped groove can further prevent the network cable 1 from moving or loosening due to external traction force during use.

[0039] Further, as shown in Figures 4 to 6 , a plurality of isolation wires 32 are circumferentially arranged on the outer wall of the shell 3. The isolation wire 32 is a hollow conductive foam material, and a metal wire is arranged in the hollow cavity.

[0040] The isolation wire 32 is used for daily anti-collision protection of the shell 3. The isolation wire 32 can reduce the impact force when the shell 3 contacts with surrounding objects by using its own elastic force, and can improve the overall stability of the vehicle-mounted Ethernet. The metal wire in the isolation wire 32 can enhance the strength of the isolation wire 32, and can further realize the anti-interference ability by forming an electromagnetic shielding cage with multiple metal wires.

[0041] Further, as shown in Figure 5 , Figure 6 and Figure 8 , a plurality of heat dissipation holes 33 are circumferentially arranged on the two end side walls of the shell 3.

[0042] The heat dissipation hole 33 is used to realize the daily heat dissipation requirement of the vehicle-mounted Ethernet docking part.

[0043] Further, as shown in Figure 2 , the heat dissipation hole 33 is inclined, and the hole axis is inclined to the center area of the shell 3. A heat dissipation rod 34 is inserted and arranged in the heat dissipation hole 33, and the heat dissipation rod 34 is a hollow structure.

[0044] The inclined heat dissipation hole 33 can prevent the entry of some external dust. In addition, the heat dissipation hole 33 forms an inclined angle with the outer arc surface of the shell 3. When the airflow passes through the surface of the shell 3, a negative pressure effect is formed at the position of the heat dissipation hole 33, and then the hot air in the shell 3 is extracted through the heat dissipation rod 34, so as to realize the effect of heat dissipation and air exchange.

[0045] Further, as shown in Figure 2 , the connection part of the heat dissipation rod 34 and the heat dissipation hole 33 is a metal part 341 made of metal material. The free end of the heat dissipation rod 34 is an elastic part 342 made of elastic rubber material, and the free end of the heat dissipation rod 34 elastically abuts against the side wall of the terminal end 2.

[0046] The metal part 341 is used to improve the heat absorption and dissipation effect of the heat dissipation rod 34. The elastic part 342 is arranged to abut against the side wall of the terminal end 2 after the shell 3 is docked, and to produce adaptive deformation and bending, so as to provide shock absorption and auxiliary support effect for the terminal end 2, further improve the docking stability of the terminal end 2, and avoid the negative influence of vibration during automobile driving.

[0047] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wire harness assembly of an in-vehicle Ethernet, comprising a network cable (1) and a terminal (2), a port part of the network cable (1) being provided with the terminal (2) for connection and transmission, characterized in that: Also include the shell (3); The shell (3) is fixedly installed on the network cable (1), and the terminal (2) is located in the inner side of the shell (3); The shell (3) is composed of two half shells with a longitudinal section of shuttle-shaped structure, the terminal (2) is located in the belly cavity formed in the inner side of the shell (3), and the network cable (1) is out of the two end sharp parts of the shell (3).

2. The wiring harness assembly of claim 1, wherein: The two sides of the shell (3) are provided with clamping grooves (31) for butt joint, and the clamping block (4) is provided with clamping jaws, which are buckled in the clamping grooves (31).

3. The wiring harness assembly of claim 1, wherein: The sharp plug (5) is movably installed at the position of the sharp part of the shell (3), the sharp plug (5) is a tapered cylindrical elastic rubber material, and the outer contour of the sharp plug (5) and the outer contour of the shell (3) are smoothly transitioned.

4. The wiring harness assembly of claim 3, wherein: The sharp plug (5) and the shell (3) are provided with pressure grooves (51) at the abutting position of the end, the pressure grooves (51) are fixedly installed with pressure springs (52), and the movable end of the pressure spring (52) abuts against the end side wall of the shell (3).

5. The wiring harness assembly of claim 3, wherein: The contact surface position of the sharp plug (5) and the network cable (1) is provided with an inclined tooth groove (53).

6. The wiring harness assembly of claim 1, wherein: The outer wall of the shell (3) is circumferentially installed with a plurality of isolation wires (32), the isolation wire (32) is a hollow conductive foam material, and a metal wire is filled in the hollow cavity.

7. The wiring harness assembly of claim 6, wherein: The two end side walls of the shell (3) are circumferentially provided with a plurality of heat dissipation holes (33), and the heat dissipation holes (33) are arranged at intervals with the isolation wires (32).

8. The wiring harness assembly of claim 7, wherein: The heat dissipation holes (33) are all inclined, and the hole diameter axis is inclined to the center area of the belly cavity of the shell (3).

9. The wiring harness assembly of claim 7, wherein: The heat dissipation holes (33) are all inserted and installed with heat dissipation rods (34), and the heat dissipation rods (34) are hollow structures.

10. The wiring harness assembly of claim 9, wherein: The connecting part of the heat dissipation rod (34) and the heat dissipation hole (33) is a metal part (341) made of metal material, the free end of the heat dissipation rod (34) is an elastic part (342) made of elastic rubber material, and the free end of the heat dissipation rod (34) is elastically abutted to the side wall of the terminal (2).

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