A wiring harness grommet assembly

Abstract

The present application relates to battery module assembly technical field, specifically to a kind of wire harness isolation plate assembly, including substrate and wire harness baffle and wire harness being arranged on the top surface of substrate;The wire harness baffle includes regular baffle, guide baffle and wire pressing baffle;The regular baffle, guide baffle and substrate form the wiring slot for wire harness placement, the guide baffle is provided with multiple openings for wire harness lead-out, and the wire pressing baffle is arranged above the wiring slot.The present application can regularize the wiring of wire harness on wire harness isolation plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery module assembly, in particular to a wire harness isolation plate assembly. BACKGROUND

[0002] With the continuous development of energy storage devices, the performance requirements of the energy storage devices are becoming higher and higher. The wire harness isolation plate assembly is the core object of the energy storage cell module, which separates the wire harness from the cell to protect the cell. However, the wiring of the wire harness on the wire harness isolation plate assembly is relatively messy, which is easy to interfere with the laser welding machine during the welding of the aluminum bar and the cell, resulting in poor welding. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a wire harness isolation plate assembly that can regularize the wiring of the wire harness on the wire harness isolation plate.

[0004] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows: a wire harness isolation plate assembly, comprising a substrate and a wire harness and a wire harness blocking edge arranged on the top surface of the substrate;

[0005] The wire harness blocking edge comprises a regularizing blocking edge, a guiding blocking edge and a wire pressing blocking edge; the regularizing blocking edge, the guiding blocking edge and the substrate form a wiring slot for placing the wire harness, the guiding blocking edge is provided with a plurality of openings for leading out the lead lines of the wire harness, and the wire pressing blocking edge is arranged above the wiring slot.

[0006] Further, the wire pressing blocking edge has a free end, and the regularizing blocking edge and / or the guiding blocking edge is provided with a wire pressing blocking edge, and the thickness of the connection part of the wire pressing blocking edge is greater than the thickness of the free end of the wire pressing blocking edge.

[0007] Further, the bottom surface of the substrate is provided with a sink.

[0008] Further, the sink is provided with a reinforcing rib and a pressure relief hole penetrating through the substrate.

[0009] Further, the above-mentioned wire harness isolation plate assembly further comprises a surrounding wall and an aluminum bar arranged on the top surface of the substrate, the surrounding wall, the guiding blocking edge and the substrate form a plurality of installation slots for placing the aluminum bar, and the installation slots are communicated with the wiring slot through the openings.

[0010] Further, the surrounding wall and / or the guiding blocking edge is provided with a positioning convex edge extending towards the installation slot.

[0011] Further, the surrounding wall and / or the guiding blocking edge is provided with a buckle.

[0012] Further, the end surface of the aluminum bar is provided with a cold heading groove, and the cold heading groove is provided with a welding positioning hole.

[0013] Further, the top surface of the substrate is provided with a surrounding barrier along the edge contour, the height of the surrounding barrier is higher than the height of the wire harness barrier and the height of the surrounding wall, and the substrate is provided with a plurality of assembly positioning holes.

[0014] Further, the top surface of the substrate is provided with a plurality of mounting columns, the mounting columns are provided with assembly holes, and the height of the mounting columns is lower than the height of the surrounding barrier.

[0015] The beneficial effects of the present application are that the wire harness barrier is arranged on the top surface of the substrate, and the regular barrier, the guide barrier and the substrate form a wiring groove for placing the wire harness, the wire harness is arranged along the regular barrier, then the lead of the wire harness is led out from the corresponding opening of the guide barrier according to the placement position of the aluminum bar on the substrate, thereby standardizing the arrangement of the wire harness on the substrate, and the wire harness is prevented from being separated from the wiring groove by the wire pressing barrier. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of a wire harness isolation plate assembly in an embodiment of the present application;

[0017] Figure 2 It is a top surface structure schematic view of a substrate of a wire harness isolation plate assembly in an embodiment of the present application;

[0018] Figure 3 It is a Figure 2 It is an enlarged view of A part of a wire harness isolation plate assembly;

[0019] Figure 4 It is a Figure 2 It is an enlarged view of B part of a wire harness isolation plate assembly;

[0020] Figure 5 It is a bottom surface structure schematic view of a substrate of a wire harness isolation plate assembly in an embodiment of the present application;

[0021] Figure 6 It is an assembly structure schematic view between an aluminum bar and a surrounding wall of a wire harness isolation plate assembly in an embodiment of the present application;

[0022] Figure 7 It is an assembly structure schematic view between an aluminum bar and a buckle of a wire harness isolation plate assembly in an embodiment of the present application;

[0023] Figure 8 It is a front view structure schematic view of a series aluminum bar of a wire harness isolation plate assembly in an embodiment of the present application;

[0024] Figure 9 It is a side view structure schematic view of a series aluminum bar of a wire harness isolation plate assembly in an embodiment of the present application;

[0025] Figure 10 Structure diagram of output stage aluminum bar of a wiring harness isolation plate assembly in a specific embodiment of the present application;

[0026] Figure 11 Structure diagram of the assembly of the folded edge and the base plate of the output stage aluminum bar of a wiring harness isolation plate assembly in a specific embodiment of the present application;

[0027] Label description:

[0028] 1, base plate; 11, sink groove; 111, reinforcing rib; 112, pressure relief hole; 12, fence; 13, assembly positioning hole; 14, mounting column;

[0029] 2, wiring harness retaining edge; 21, regular retaining edge; 22, guide retaining edge; 221, opening; 23, wire pressing retaining edge;

[0030] 3, wiring harness;

[0031] 4, fence; 41, positioning convex edge; 42, buckle;

[0032] 5, aluminum bar; 51, cold heading groove; 511, welding positioning hole; 52, series aluminum bar; 521, pressure relief protrusion; 522, first aluminum bar; 523, second aluminum bar; 53, output stage aluminum bar; 531, folded edge; 5311, assembly long hole. DETAILED DESCRIPTION

[0033] In order to explain the technical content, the purposes and effects of the present application in detail, the following will be described in combination with the embodiments and the accompanying drawings.

[0034] The base plate 1 provided by the embodiment of the present application preferably adopts PC+ABS plastic material, and the thickness of the base plate 1 is 1.5mm to 2mm, thereby being able to satisfy the functions of RIT, flame retardation and insulation.

[0035] In one embodiment, please refer to Figure 1 and Figure 2As shown in the figure, a wire harness isolation plate assembly includes a base plate 1 and a wire harness retaining edge 2 and a wire harness 3 arranged on the top surface of the base plate 1; the wire harness retaining edge 2 includes a regular retaining edge 21, a guide retaining edge 22 and a wire pressing retaining edge 23; the regular retaining edge 21, the guide retaining edge 22 and the base plate 1 form a wiring groove for placing the wire harness 3, the guide retaining edge 22 is provided with a plurality of openings 221 for leading out the lead wires of the wire harness 3, and the wire pressing retaining edge 23 is arranged above the wiring groove. Preferably, the opening 221 is chamfered in a circular arc to prevent the opening 221 from scratching and damaging the skin of the lead wires of the wire harness 3. The wire harness retaining edge 2 is arranged on the top surface of the base plate 1, and the regular retaining edge 21, the guide retaining edge 22 and the base plate 1 form a wiring groove for placing the wire harness 3, so that the wire harness 3 is arranged along the regular retaining edge 21, and then the lead wires of the wire harness 3 are led out from the corresponding openings 221 of the guide retaining edge 22 according to the placement position of the aluminum bar 5 on the base plate 1, thereby standardizing the arrangement of the wire harness 3 on the base plate 1, and the wire pressing retaining edge 23 prevents the wire harness 3 from being separated from the wiring groove.

[0036] In the first possible implementation, the wire pressing retaining edge 23 has a free end, and the regular retaining edge 21 is provided with the wire pressing retaining edge 23.

[0037] In the second possible implementation, the wire pressing retaining edge 23 has a free end, and the guide retaining edge 22 is provided with the wire pressing retaining edge 23.

[0038] In the third possible implementation, the wire pressing retaining edge 23 has a free end, and the regular retaining edge 21 and the guide retaining edge 22 are provided with the wire pressing retaining edge 23.

[0039] According to the above first to third possible implementations, during the arrangement of the wire harness 3, since the wire pressing retaining edge 23 has a free end, the wire harness 3 can be quickly placed in the wiring groove through the free end of the wire pressing retaining edge 23.

[0040] In the above first possible implementation, please refer to Figure 3 As shown in the figure, the thickness of the connection between the wire pressing retaining edge 23 and the regular retaining edge 21 is greater than the thickness of the free end of the wire pressing retaining edge 23. The thickness of the connection between the wire pressing retaining edge 23 and the regular retaining edge 21 is increased to improve the connection strength of the wire pressing retaining edge 23 on the regular retaining edge 21.

[0041] In the above second possible implementation, please refer to Figure 4 As shown in the figure, the thickness of the connection between the wire pressing retaining edge 23 and the guide retaining edge 22 is greater than the thickness of the free end of the wire pressing retaining edge 23. The thickness of the connection between the wire pressing retaining edge 23 and the guide retaining edge 22 is increased to improve the connection strength of the wire pressing retaining edge 23 on the guide retaining edge 22.

[0042] In the third possible implementation, please refer to Figure 3 and Figure 4 As shown, the thickness of the connection between the pressing line blocking edge 23 and the guiding blocking edge 22 is greater than the thickness of the free end of the pressing line blocking edge 23; the thickness of the connection between the pressing line blocking edge 23 and the guiding blocking edge 22 is greater than the thickness of the free end of the pressing line blocking edge 23. The thickness of the connection between the pressing line blocking edge 23 and the regular blocking edge 21 is increased to improve the connection strength of the pressing line blocking edge 23 on the regular blocking edge 21. The thickness of the connection between the pressing line blocking edge 23 and the guiding blocking edge 22 is increased to improve the connection strength of the pressing line blocking edge 23 on the guiding blocking edge 22.

[0043] In one implementation, please refer to Figure 5 As shown, the bottom surface of the substrate 1 is provided with a sink 11. Among them, the flatness of the end surface of the bottom surface of the substrate 1 except the sink 11 is 0.5mm. The sink 11 provided on the bottom surface of the substrate 1 can reduce the contact between the bottom surface of the substrate 1 and the mating surface of the battery cell, thereby reducing the installation error of the substrate 1 and the battery cell.

[0044] In an optional implementation, please refer to Figure 5 As shown, the sink 11 is provided with a reinforcing rib 111 and a pressure relief hole 112 penetrating the substrate 1. The added reinforcing rib 111 can enhance the strength of the substrate 1. When the substrate 1 is assembled with the battery cell, the pressure relief hole 112 can be matched with the pressure relief port of the battery cell. Among them, the assembly tolerance of the pressure relief hole 112 and the pressure relief port of the battery cell is 0.5mm to 1mm.

[0045] In one implementation, please refer to Figure 1 and Figure 2 As shown, the top surface of the substrate 1 is provided with a fence 4 and an aluminum bar 5, the fence 4, the guiding blocking edge 22 and the substrate 1 form a plurality of mounting grooves for the aluminum bar 5, and the mounting grooves are communicated with the wiring groove through the opening 221. The aluminum bar 5 is constrained by the mounting groove to ensure the stability of the aluminum bar 5 when it is welded with the battery cell or the wiring harness.

[0046] In the fourth possible implementation, please refer to Figure 6 As shown, the fence 4 is provided with a positioning convex edge 41 extending towards the mounting groove. Among them, the distance from the positioning convex edge 41 to the edge of the aluminum bar 5 is C, and the C is 0.1mm to 0.3mm, preferably, the C is 0.3mm. In order to avoid interference fit between the positioning convex edge 41 and the aluminum bar 5.

[0047] In the fifth possible implementation, please refer to Figure 6As shown in the drawings, the guiding baffle 22 is provided with a positioning protrusion 41 extending towards the direction of the mounting groove. The distance between the positioning protrusion 41 and the edge of the aluminum bar 5 is C, which is 0.1mm to 0.3mm, preferably C is 0.3mm. In order to avoid interference fit between the positioning protrusion 41 and the aluminum bar 5.

[0048] In the sixth possible implementation, please refer to Figure 6 As shown in the drawings, the guiding baffle 22 is provided with a positioning protrusion 41 extending towards the direction of the mounting groove. The distance between the positioning protrusion 41 and the edge of the aluminum bar 5 is C, which is 0.1mm to 0.3mm, preferably C is 0.3mm. In order to avoid interference fit between the positioning protrusion 41 and the aluminum bar 5.

[0049] According to the fourth to sixth possible implementation, the positioning protrusion 41 can be used to constrain the aluminum bar 5 placed in the mounting groove.

[0050] In the seventh possible implementation, please refer to Figure 1 , Figure 2 and Figure 7 As shown in the drawings, the guiding baffle 22 is provided with a positioning protrusion 41 extending towards the direction of the mounting groove. The distance between the positioning protrusion 41 and the edge of the aluminum bar 5 is C, which is 0.1mm to 0.3mm, preferably C is 0.3mm. In order to avoid interference fit between the positioning protrusion 41 and the aluminum bar 5.

[0051] In the eighth possible implementation, please refer to Figure 1 , Figure 2 and Figure 7 As shown in the drawings, the guiding baffle 22 is provided with a positioning protrusion 41 extending towards the direction of the mounting groove. The distance between the positioning protrusion 41 and the edge of the aluminum bar 5 is C, which is 0.1mm to 0.3mm, preferably C is 0.3mm. In order to avoid interference fit between the positioning protrusion 41 and the aluminum bar 5.

[0052] In the ninth possible implementation, please refer to Figure 1 , Figure 2 and Figure 7 As shown in the drawings, the guiding baffle 22 is provided with a positioning protrusion 41 extending towards the direction of the mounting groove. The distance between the positioning protrusion 41 and the edge of the aluminum bar 5 is C, which is 0.1mm to 0.3mm, preferably C is 0.3mm. In order to avoid interference fit between the positioning protrusion 41 and the aluminum bar 5.

[0053] According to the seventh to ninth possible implementation modes, the buckle 42 can prevent the aluminum bar 5 from being pulled out of the installation groove.

[0054] In one embodiment, referring to Figure 8 and Figure 10 , the end face of the aluminum bar 5 is provided with a cold heading groove 51, and the cold heading groove 51 is provided with a welding positioning hole 511. Preferably, the cold heading groove 51 has a 60° chamfer on the end face of the aluminum bar 5, a flatness of 0.2mm, a cleanliness of ≤100RFU, and a circular groove with a diameter of 20mm. The welding positioning hole 511 is 3mm, and the cold heading groove 51 is obtained by cold stamping processing, so that the base material crystal at the groove is more compact, thereby making the welding more stable and improving the welding yield when the welding positioning hole 511 is positioned and welded with the pole of the battery cell.

[0055] In an optional embodiment, the current overcurrent capacity of the aluminum bar 5 is greater than or equal to three times the overcurrent cross section, so as to avoid generating a large amount of heat in the aluminum bar 5 during operation.

[0056] In an optional embodiment, referring to Figure 8 and Figure 9 , the series aluminum bar 52 of the aluminum bar 5 includes a pressure relief protrusion 521, a first aluminum bar 522, and a second aluminum bar 523. The pressure relief protrusion 521 has two connecting arms respectively connected to the first aluminum bar 522 and the second aluminum bar 523, and the two connecting arms form a clamp F of 50° to 60°. Preferably, the included angle F is 50°, 55°, or 60°. Since the battery cell expands and contracts reciprocally during operation, the first aluminum bar 522 and the second aluminum bar 523 of the connected series aluminum bar 52 move to a certain extent. In order to avoid the first aluminum bar 522 and the second aluminum bar 523 from being detached from the welding point of the battery cell, the pressure relief protrusion 521 is used to offset the force of the battery cell on the first aluminum bar 522 and the second aluminum bar 523.

[0057] In an optional embodiment, referring to Figure 10 and Figure 11 , the output stage aluminum bar 53 of the aluminum bar 5 has a folded edge 531 bent towards the bottom surface direction of the substrate 1, and the folded edge 531 is provided with an assembly long hole 5311 arranged in the vertical direction. Since there are manufacturing tolerances and assembly tolerances of various components on the substrate 1, in order to ensure that the folded edge 531 of the output stage aluminum bar 53 can be smoothly led out, a gap of 0.5mm to 1mm is left between the edge of the substrate 1 and the folded edge 531. Furthermore, the assembly long hole 5311 on the folded edge 531 is also convenient for fixing the folded edge 531. Preferably, the assembly long hole 5311 has a size of 7mm in diameter and 9mm in length.

[0058] In one embodiment, please refer to Figure 1 and Figure 2 The top surface of the substrate 1 is provided with a fence 12 along the edge profile, the height of the fence 12 is higher than the height of the wire harness fence edge 2 and the height of the fence wall 4, and the substrate 1 is provided with a plurality of assembly positioning holes 13. Because the height of the fence 12 is higher than the height of the wire harness fence edge 2 and the height of the fence wall 4, when the insulating sheet is used to shield the aluminum bar 5 on the substrate 1, the insulating sheet can be embedded on the substrate 1. The substrate 1 is fixed on the battery cell module by using the assembly positioning hole 13.

[0059] In an alternative embodiment, please refer to Figure 1 and Figure 2 The top surface of the substrate 1 is provided with a plurality of mounting columns 14, the mounting columns 14 have assembly holes, and the height of the mounting columns 14 is lower than the height of the fence 12. The insulating sheet is connected with the mounting column 14 by plastic screws or plastic rivets. Preferably, the height of the fence 12 is not more than 12mm.

[0060] Example one

[0061] A wire harness isolation plate assembly, please refer to Figure 1 and Figure 2 It includes a substrate 1 and a wire harness fence edge 2 and a wire harness 3 provided on the top surface of the substrate 1; the wire harness fence edge 2 includes a regular fence edge 21, a guide fence edge 22 and a wire pressing fence edge 23; the regular fence edge 21 and the guide fence edge 22 form a wiring slot for placing the wire harness 3 with the substrate 1, the guide fence edge 22 is provided with a plurality of openings 221 for leading out the lead wires of the wire harness 3, and the wire pressing fence edge 23 is arranged above the wiring slot.

[0062] Example two

[0063] This embodiment further limits the structure of the bottom surface of the substrate 1 based on example one, as follows:

[0064] Please refer to Figure 5 The bottom surface of the substrate 1 is provided with a sink 11. The sink 11 is provided with a reinforcing rib 111 and a pressure relief hole 112 penetrating through the substrate 1.

[0065] Example three

[0066] This embodiment further limits the structure of the substrate 1 based on example one or example two, as follows:

[0067] Please refer to Figure 1 and Figure 2As shown in the drawings, a wall 4 and an aluminum bar 5 are arranged on the top surface of the substrate 1, the wall 4, the guide rib 22 and the substrate 1 form a plurality of mounting slots for the aluminum bar 5, and the mounting slots are communicated with the wiring slot through the opening 221.

[0068] Embodiment four

[0069] In this embodiment, the structure of the aluminum bar 5 is further limited based on the embodiment three, and the specific implementation is as follows:

[0070] Please refer to Figure 8 and Figure 10 As shown in the drawings, a cold heading groove 51 is arranged on the end surface of the aluminum bar 5, and a welding positioning hole 511 is arranged in the cold heading groove 51.

[0071] The above description is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the specification and drawings of the present application is also included in the patent protection scope of the present application.

Claims

1. A wiring harness grommet assembly, characterized by: The application relates to a wiring harness frame, which comprises a substrate and a wiring harness baffle and a wiring harness arranged on the top surface of the substrate. The wiring harness baffle comprises a regular baffle, a guide baffle and a wire pressing baffle; the regular baffle, the guide baffle and the substrate form a wiring slot for placing the wiring harness; a plurality of openings for leading out the lead wires of the wiring harness are arranged on the guide baffle; and the wire pressing baffle is arranged above the wiring slot. The bottom surface of the substrate is provided with a sink, and the top surface of the substrate is provided with a wall and an aluminum bar; the wall, the guide baffle and the substrate form a plurality of mounting slots for placing the aluminum bar; the mounting slots are communicated with the wiring slot through openings. The top surface of the substrate is provided with a surrounding baffle along the edge contour; the height of the surrounding baffle is higher than the height of the wiring harness baffle and the height of the wall. The end surface of the aluminum bar is provided with a cold heading groove; a welding positioning hole is arranged in the cold heading groove; and the cold heading groove is obtained through cold stamping processing.

2. The wire harness isolator plate assembly of claim 1, wherein: The wire pressing baffle has a free end; the regular baffle and / or the guide baffle are provided with the wire pressing baffle; and the thickness of the connecting part of the wire pressing baffle is greater than the thickness of the free end of the wire pressing baffle.

3. The wire harness isolator plate assembly of claim 1, wherein: The sink is provided with a reinforcing rib and a pressure relief hole penetrating through the substrate.

4. The wire harness isolator plate assembly of claim 1, wherein: The wall and / or the guide baffle are provided with a positioning convex edge extending towards the mounting slot.

5. The wire harness isolator plate assembly of claim 1 or 4, wherein: The wall and / or the guide baffle are provided with a buckle.

6. The wire harness isolator plate assembly of claim 1, wherein: A plurality of assembly positioning holes are arranged on the substrate.

7. The wire harness isolator plate assembly of claim 6, wherein: A plurality of mounting columns are arranged on the top surface of the substrate; the mounting columns are provided with assembly holes; and the height of the mounting columns is lower than the height of the surrounding baffle.

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