Integral wire harness

Abstract

The utility model discloses an integral wire harness, which is characterized in that the integral wire harness comprises a conductive device extending along the axial direction, a metal shell arranged on the radial periphery of part of the conductive device in a matching manner, at least one support frame and a filling part, the support frame is fixedly arranged between the conductive device and the metal shell, and the filling part is arranged on the metal shell. And the filling part is filled in at least part of a cavity formed among the metal shell, the support frame and the conductive device. Heat generated by the electric device is rapidly conducted to the metal shell part, the heat dissipation efficiency is improved, compared with a traditional current-carrying metal bar, the heat dissipation efficiency is greatly improved, the product structure is simple, and the production and management cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection, and more specifically, to an integral wiring harness. Background Art

[0002] At present, with the continuous development of the automobile industry, automotive electrical appliances and other control systems are also constantly developing towards refined functions, complex structures and diversification, and various wiring harnesses and pipelines run through the car body.

[0003] As the number of lines increases, the heat generated by the conductive device will also increase, which greatly increases the heat dissipation pressure of the conductive device, so the heat dissipation performance needs to be improved. At present, the heat dissipation efficiency of traditional current-carrying conductive devices is low, and the heat dissipation mostly adopts a liquid cooling structure, which has problems such as complex pipeline settings, many peripheral devices, and complex thermal management system control.

[0004] Therefore, a new structure is needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an integral wiring harness, comprising a conductive device, a metal shell matchedly arranged on a portion of the radial outer periphery of the conductive device, at least one support frame and a filling portion, wherein the support frame is fixedly arranged between the conductive device and the metal shell, and the filling portion is filled in at least a portion of a cavity formed between the metal shell, the support frame and the conductive device.

[0006] Optionally, there are a plurality of support frames, and the plurality of support frames are arranged in sequence and spaced apart along the axial direction of the conductive device.

[0007] Optionally, the support frame is arranged to fit the radial outer peripheral surface of the conductive device.

[0008] Optionally, at least one limiting groove is provided on the conductive device, a limiting protrusion matching the limiting groove is provided on one side of the support frame that is in contact with the conductive device, and the support frame is fixed by clamping the limiting groove and the limiting protrusion.

[0009] Optionally, a plurality of heat sinks are arranged on the surface of the metal shell.

[0010] Optionally, a grounding wire is further included, one end of which is welded to the metal shell and / or the heat sink, and the other end of which is connected to a grounding device.

[0011] Optionally, the metal shell includes a first metal shell and a second metal shell, and the first metal shell and the second metal shell are welded together at the buckled connection after the conductive device, the support frame and the filling part are buckled inside.

[0012] Optionally, two blocking covers are further included, wherein an axial hole is opened in the middle of the blocking cover, an annular groove is provided on the edge of the blocking cover, the blocking cover is fixed to the conductive device through the axial hole, and both ends of the metal shell are fixedly arranged in the annular groove.

[0013] Optionally, a plurality of mounting frames are arranged on the outer periphery of the metal shell, and fixing holes or fixing columns are arranged on the mounting frames for fixing the integral wiring harness.

[0014] Optionally, the conductive device includes at least one conductive loop, and connecting devices electrically connected to the conductive loop are provided at both ends of the conductive device.

[0015] The utility model has the following technical effects:

[0016] The cavity is filled with thermally conductive silicone, which becomes a heat conduction layer and an insulating layer after solidification. It can quickly conduct the heat generated by the conductive device to the metal shell, improve the heat dissipation efficiency, and greatly enhance the heat dissipation efficiency compared to the traditional current-carrying metal row. The product structure is simple, and the production and management costs are low. The heat generated by the current-carrying device is conducted to the metal shell through the thermally conductive silicone, and quickly dissipated by air convection.

[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the overall wiring harness of the utility model;

[0020] Figure 2 for Figure 1 Side view of

[0021] Figure 3 It is a cross-sectional view of the overall wiring harness of the utility model;

[0022] Figure 4 for Figure 3 A magnified view of some structures;

[0023] Figure 5 for Figure 3 Sectional view along line AA;

[0024] Figure 6 for Figure 3 Sectional view along line BB.

[0025] The following are marked in the figure:

[0026] 10. Conductive device; 20. Metal housing; 30. Support frame; 40. Filling part;

[0027] 50. heat sink; 60. ground wire; 70. cover; 80. mounting bracket;

[0028] 110, limiting groove; 310, limiting protrusion; 210, first metal shell; 220, second metal shell; 710, opening; 230, hook; 810, fixing hole. DETAILED DESCRIPTION

[0029] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0030] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0031] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0032] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0033] like Figure 1-Figure 6 The integrated wiring harness includes a conductive device 10, which can be extended axially or bent according to the actual use environment. It also includes a metal shell 20 matched with the radial outer periphery of part of the conductive device 10, at least one support frame 30 and a filling portion 40. The support frame 30 is fixedly arranged between the conductive device 10 and the metal shell 20, and the filling portion 40 fills at least part of the cavity formed between the metal shell 20, the support frame 30 and the conductive device 10.

[0034] The support frame 30 mainly supports the metal housing 20 and is made of insulating material, such as plastic.

[0035] In a specific embodiment, the cavity is filled with thermally conductive silicone, which becomes a thermally conductive layer and an insulating layer after solidification. The heat generated by the conductive device 10 can be quickly transferred to the metal shell 20, thereby improving the heat dissipation efficiency. Compared with the heat dissipation efficiency of the traditional current-carrying metal row, the product structure is simple, and the production and management costs are low. The heat generated by the current-carrying conductive device 10 is transferred to the metal shell 20 through the thermally conductive silicone, and the heat is quickly dissipated through air convection.

[0036] In one embodiment, the support frame 30 is a block structure, and a plurality of support frames 30 are fixed between the conductive device 10 and the metal shell 20; in another embodiment, as Figure 5 As shown, the inner wall of the support frame 30 is arranged in contact with the radial outer peripheral surface of the conductive device 10, and part of the outer wall of the support frame 30 is arranged in contact with the inner surface of the metal shell 20. Both of the above methods ensure that there is a cavity between the metal shell 20, the conductive device 10 and the support frame 30 for the liquid filling part 40 to flow through, and ensure that the cavity is completely provided with the filling part 40. The filling part 40 is preferably made of thermally conductive silicone material.

[0037] In one embodiment, there are a plurality of support frames 30, and the plurality of support frames 30 are sequentially spaced apart along the axial direction of the conductive device 10. Figure 3 As shown, there are two support frames 30 to ensure the stability between the metal shell 20 and the conductive device 10 and to ensure that the metal shell 20 and the conductive device 10 are insulated from each other.

[0038] like Figure 4 and Figure 5 As shown, at least one limiting groove 110 is provided on the conductive device 10, and a limiting protrusion 310 matching the limiting groove 110 is provided on one side of the support frame 30 that is in contact with the conductive device 10, and the support frame 30 is fixed by the limiting groove 110 and the limiting protrusion 310. The stability of the fixing of the conductive device 10 and the support frame 30 is ensured.

[0039] like Figure 1 and Figure 2 As shown, a plurality of heat sinks 50 are arranged on the surface of the metal housing 20. The heat dissipation area is further increased. The heat sink 50 can be welded to the conductive device 10. The conductive device 10 can be made of copper or copper alloy, aluminum or aluminum alloy, and the material of the heat sink 50 can be the same as or different from that of the conductive device 10.

[0040] like Figure 1 As shown, a grounding wire 60 is also included, one end of which is welded to the metal housing 20 and / or the heat sink 50, and the other end is connected to the grounding device. The grounding wire 60 realizes the shielding function of the conductive device 10.

[0041] like Figure 2 As shown, the metal shell 20 includes a first metal shell 210 and a second metal shell 220. After the first metal shell 210 and the second metal shell 220 snap the conductive device 10, the support frame 30 and the filling portion 40 into the inside, they are welded together at the snap connection.

[0042] In one embodiment, the shape of the conductive device 10 is set according to the shape of the vehicle body, and a bending portion is provided, and the shape of the conductive device 10 is also set to match the shape of the conductive device 10 .

[0043] like Figure 1-4 As shown, two blocking covers 70 are also included, and an axial hole (not numbered) is opened in the middle of the blocking cover 70, and an annular groove (not numbered) is provided on the edge of the blocking cover 70. The blocking cover 70 is fixed to the conductive device 10 through the axial hole. The shape of the axial hole matches the cross-sectional shape of the conductive device 10, and the shape of the annular groove matches the shape of the metal shell 20. Both ends of the metal shell 20 are inserted into the annular groove and fixedly arranged in the annular groove. The metal shell 20 can be fixed with the annular groove by interference fit.

[0044] In another embodiment, if Figure 4 As shown, one or more openings 710 are provided on the outer periphery of the blocking cover 70 , and hooks 230 are provided at the ends of the metal shell 20 corresponding to the openings 710 , and the hooks 230 are matched and fixed with the openings 710 to further fix the metal shell 20 .

[0045] like Figure 1 and Figure 2 As shown, a plurality of mounting frames 80 are arranged on the outer periphery of the metal housing 20 , and fixing holes 810 or fixing columns are arranged on the mounting frames 80 to fix the entire wiring harness to prevent shaking.

[0046] like Figure 1-Figure 4 As shown, the conductive device 10 includes at least one conductive loop, and connecting devices electrically connected to the conductive loop are provided at both ends of the conductive device 10. When the conductive device 10 is an integral structure, through holes are provided at both ends of the integral structure for connecting electrical devices to form a conductive loop; the two ends of the conductive device 10 can also be welded with terminal structures of the same material or different materials, and then connected to the electrical device to form a conductive loop.

[0047] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. An integrated wiring harness, characterized in that: It includes a conductive device, a metal shell matched with a portion of the conductive device radially outer periphery, a filling portion and at least one support frame, wherein the support frame is fixedly arranged between the conductive device and the metal shell, and the filling portion fills at least a portion of the cavity formed between the metal shell, the support frame and the conductive device.

2. The integrated wiring harness according to claim 1, characterized in that: There are a plurality of support frames, and the plurality of support frames are sequentially spaced apart along the axial direction of the conductive device.

3. The integrated wiring harness according to claim 2, characterized in that: The support frame is arranged to fit the radial outer peripheral surface of the conductive device.

4. The integrated wiring harness according to claim 3, characterized in that: At least one limiting groove is arranged on the conductive device, a limiting protrusion matching the limiting groove is arranged on one side of the support frame adjoining the conductive device, and the support frame is fixed by clamping the limiting groove and the limiting protrusion.

5. The integrated wiring harness according to claim 1, characterized in that: A plurality of heat sinks are arranged on the surface of the metal shell.

6. The integrated wiring harness according to claim 5, characterized in that: It also includes a grounding wire, one end of which is welded to the metal shell and / or the heat sink, and the other end is connected to the grounding device.

7. The integrated wiring harness according to claim 1, characterized in that: The metal shell includes a first metal shell and a second metal shell. After the first metal shell and the second metal shell buckle the conductive device, the support frame and the filling part inside, they are welded at the buckling connection.

8. The integrated wiring harness according to claim 1, characterized in that: It also includes two blocking covers, wherein an axial hole is opened in the middle of the blocking cover, an annular groove is arranged on the edge of the blocking cover, the blocking cover is fixed on the conductive device through the axial hole, and the two ends of the metal shell are fixedly arranged in the annular groove.

9. The integrated wiring harness according to claim 1, characterized in that: A plurality of mounting frames are arranged on the outer periphery of the metal shell, and fixing holes or fixing columns are arranged on the mounting frames for fixing the integral wiring harness.

10. The integrated wiring harness according to claim 1, characterized in that: The conductive device comprises at least one conductive loop, and connecting devices electrically connected to the conductive loop are arranged at two ends of the conductive device.

Images