Integrated combined support below electric automobile cab

Abstract

An integrated combined support below an electric automobile cab comprises a support body, an electromagnetic switch support, a seven-way fuse box support, a low-voltage distribution box support, a battery management unit support, an all-in-one controller support and an inflation pump support. An all-in-one controller, an electromagnetic switch, a low-voltage distribution box, a storage battery, a seven-loop fuse box, a battery management unit, an air conditioner two-in-one device, a steering oil pump and an inflating pump are installed into a whole, the integration and modularization degree is high, high-voltage and low-voltage accessories are integrally arranged below a cab, a support body is of a layered structure, space is saved for arrangement of a power battery, and the structure is simple. The combined support and parts can be subpackaged off line and integrally assembled on the frame, installation is convenient and fast, the assembling efficiency is improved, movement of the storage battery can be effectively limited, a special storage battery limiting structure does not need to be arranged, the structure is simplified, and assembling and using are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to an integrated combined bracket under a cab of an electric vehicle. Background Art

[0002] At present, the layout of high and low voltage accessories under the cab of pure electric dump trucks, tractors, mixer trucks and other special vehicles is diverse, the layout is messy and not uniform, and the degree of integration and modularization is low. Designers need to make corresponding designs according to different layout forms, which is labor-intensive and time-consuming, and is not conducive to the unified design of various models.

[0003] At present, a combined bracket under the cab of an electric vehicle has appeared (such as publication number CN219948111U), which includes a combined bracket body, a front fixed bracket, a rear fixed bracket, a two-in-one air-conditioning fixed bracket, a multi-functional bracket and a bracket. The front fixed bracket and the rear fixed bracket are respectively fixed to the front and rear ends on both sides of the combined bracket body, the two-in-one air-conditioning fixed bracket is fixed to the front and middle parts of the combined bracket body by bolts, the bracket is fixed to the two-in-one air-conditioning fixed bracket by bolts, and the multi-functional bracket is fixed to the bracket. The overall structure is compact and stable, and the effective space under the cab is fully utilized.

[0004] Although the existing combined bracket under the cab of an electric vehicle has a certain degree of integration, its degree of integration is still relatively low. For example, it does not integrate components such as batteries and air pumps, and its vehicle adaptability is still poor, which is still not conducive to the unified design of various vehicle models. In addition, the existing combined bracket adopts a frame structure to reduce its overall weight, but does not consider the problem of bottom waterproofing, which is very likely to cause damage to high and low pressure accessories. Utility Model Content

[0005] In order to solve the technical problems that the existing electric vehicle cab lower combined bracket in the above background technology has a low integration level and poor vehicle model adaptability, the utility model provides an integrated combined bracket under the electric vehicle cab.

[0006] The technical solution of this utility model is as follows:

[0007] The utility model provides an integrated combined bracket under the cab of an electric vehicle, comprising a bracket body with an upper and lower layers, wherein the upper layer of the bracket body is provided with a battery placement area, and the lower layer of the bracket body has a space for installing a two-in-one air conditioner and a steering oil pump, a mounting bracket is fixedly provided on one side of the bracket body, an electromagnetic switch bracket and a seven-way fuse box bracket are provided directly above the battery placement area, the height of the electromagnetic switch bracket and the seven-way fuse box bracket is the same as the height of the battery, both ends of the electromagnetic switch bracket and the seven-way fuse box bracket are connected to the bracket body through double-headed screws, the double-headed screws are distributed on the front and rear sides of the battery placement area, and low-voltage distribution screws are relatively provided on the left and right sides of the battery placement area. The electric box bracket and the battery management unit bracket, the upper layer of the bracket body is also fixed with an all-in-one controller bracket, the all-in-one controller bracket is located on one side of the battery placement area, and an air pump bracket is fixed at one end of the bracket body, which integrates the installation of an all-in-one controller, electromagnetic switch, low-voltage distribution box, battery, seven-circuit fuse box, battery management unit, two-in-one air conditioner, steering oil pump, and air pump. It has a high degree of integration and modularization. The high and low voltage accessories are arranged as a whole under the cab, and the bracket body is a layered structure, which saves space for the layout of the power battery. The combined bracket and components can be assembled offline and assembled on the frame as a whole. The installation is convenient and quick, which improves the assembly efficiency.

[0008] Preferably, a water retaining plate is fixedly provided at the bottom of the bracket body to avoid insulation problems of high and low voltage accessories caused by water ingress from below.

[0009] Preferably, the bracket body is fixedly provided with a side edge of the mounting bracket, and is also fixedly provided with a plurality of grounding columns for forming an equipotential to improve the safety of use.

[0010] Preferably, a transition bracket is fixedly connected between the installations, and the transition bracket has a smooth transition and is provided with reinforcing ribs to improve the overall strength of the transition bracket and ensure the stability and installation strength of the combined bracket when it is installed as a whole on the frame.

[0011] Preferably, the electromagnetic switch bracket and the seven-way fuse box bracket are arranged side by side, and the cross-section of the electromagnetic switch bracket is U-shaped. The electromagnetic switch bracket includes a first horizontal section and a first vertical section fixedly connected together, and the first vertical section is provided with a first mounting hole for fixing the low-voltage wiring harness and a second mounting hole for fixing the electromagnetic switch, which facilitates the installation of the electromagnetic switch and the position fixation of the low-voltage wiring harness.

[0012] Preferably, the seven-way fuse box bracket has a U-shaped cross-section, a flange is fixedly provided on the vertical section on one side of the seven-way fuse box bracket, and a fourth mounting hole for fixing the seven-way fuse box is provided on the flap, which facilitates the fixed installation of the seven-way fuse box and can use the seven-way fuse box bracket to limit the position of the battery.

[0013] Preferably, the all-in-one controller bracket includes a horizontal beam and a vertical beam fixedly connected together, and at least two sets of welding nuts for fixing the high-voltage wire row are fixed on the vertical beam, which are used for the installation of the all-in-one controller and facilitate the fixation of the high-voltage wire row to optimize the line direction.

[0014] Preferably, the low-voltage distribution box bracket is a Z-shaped structure, and the low-voltage distribution box bracket can be installed on the side of the bracket body. The low-voltage distribution box is installed using the internal space of the low-voltage distribution box bracket, saving space occupied by the bracket body.

[0015] Preferably, the battery management unit bracket is an L-shaped structure, including a second vertical section and a third horizontal section that are fixedly connected, the second vertical section is provided with a fixing hole for fixing the low-voltage wiring harness, and the third horizontal section is provided with a fifth mounting hole for installing the battery management unit, which facilitates the position fixation of the battery management unit and the low-voltage wiring harness.

[0016] Preferably, the height of the third horizontal section is higher than the height of the electromagnetic switch bracket and the seven-way fuse box bracket, which makes it easier for the battery management unit to avoid the electromagnetic switch and the seven-way fuse box, and facilitates the installation and maintenance of components.

[0017] It can be seen from the above technical solutions that the advantages of the utility model are:

[0018] 1. It integrates the installation of an all-in-one controller, electromagnetic switch, low-voltage distribution box, battery, seven-circuit fuse box, battery management unit, two-in-one air conditioner, steering oil pump, and air pump. It has a high degree of integration and modularization. The high and low voltage accessories are arranged as a whole under the cab, and the main body of the bracket is a layered structure, which saves space for the layout of the power battery. The combined bracket and parts can be assembled offline and assembled to the frame as a whole. The installation is convenient and fast, and the assembly efficiency is improved. Among them, the coordination of the low-voltage distribution box bracket, battery management unit bracket, electromagnetic switch bracket, seven-way fuse box bracket and the position of the double-headed screw realizes the circumferential and upper restrictions on the battery, effectively restricts the movement of the battery, and there is no need to set a special battery restriction structure, which simplifies the structure and facilitates assembly and use.

[0019] 2. A water baffle is fixed at the bottom of the bracket body to avoid insulation problems of high and low voltage accessories caused by water inflow from below. The bracket body is fixed with a mounting bracket on the side, and several grounding columns are also fixed to form equipotential and improve safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the assembly structure of the combined bracket and parts according to one or more embodiments of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of the combined bracket according to one or more embodiments of the present invention;

[0023] Figure 3 It is a schematic structural diagram of a bracket body according to one or more embodiments of the present invention;

[0024] Figure 4 It is a schematic structural diagram of an all-in-one controller bracket according to one or more embodiments of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of an electromagnetic switch bracket according to one or more embodiments of the present utility model;

[0026] Figure 6 This is a schematic structural diagram of a low-voltage distribution box bracket according to one or more embodiments of the present invention;

[0027] Figure 7 It is a structural schematic diagram of a seven-way fuse box bracket according to one or more embodiments of the utility model;

[0028] Figure 8 A schematic diagram of the structure of a battery management unit bracket according to one or more embodiments of the present utility model;

[0029] Fig. 9 It is a schematic structural diagram of a transition bracket according to one or more embodiments of the present utility model;

[0030] The components represented by the reference numerals in the figure are:

[0031] 1. Frame; 2. Combined bracket; 21. All-in-one controller bracket; 2101. Crossbeam; 2102. Vertical beam; 2103. Welding nut;

[0032] 22. Electromagnetic switch bracket; 2201. First horizontal section; 2202. First vertical section; 2203. First mounting hole; 2204. Second mounting hole; 2205. First through hole;

[0033] 23. Low voltage distribution box bracket; 2301. Installation section; 2302. Third installation hole;

[0034] 24, seven-way fuse box bracket; 2401, second horizontal section; 2402, flange; 2403, second through hole; 2404, fourth mounting hole;

[0035] 25. Battery management unit bracket; 2501. Second vertical section; 2502. Third horizontal section; 2503. Fixing hole; 2504. Fifth mounting hole;

[0036] 26. Bracket body; 2601. Front mounting bracket; 2602. Rear mounting bracket;

[0037] 27. Air pump bracket; 28. Water baffle; 29. ​​Grounding column; 3. All-in-one controller; 4. Electromagnetic switch; 5. Low-voltage distribution box; 6. Battery; 7. Seven-way fuse box; 8. Battery management unit; 9. Two-in-one air conditioner; 10. Steering oil pump; 11. Air pump; 12. Transition bracket; 1201. Fourth horizontal section; 1202. Third vertical section; 1203. Sixth mounting hole. DETAILED DESCRIPTION

[0038] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0039] In a typical implementation of the present invention, Figure 1-Figure 9 As shown, an integrated combined bracket under the cab of an electric vehicle is proposed, comprising: a bracket body 26, such as Figure 3 As shown, the bracket body 26 is a layered truss structure, which is divided into an upper and lower layer. The upper layer of the bracket body 26 is provided with a battery placement area for supporting the battery 6 (which can also be understood as a storage battery), and the lower layer of the bracket body 26 has a space for installing the two-in-one air conditioner 9 and the steering oil pump 10. One side of the bracket body 26 is fixedly provided with a front mounting bracket 2601 and a rear mounting bracket 2602 by welding (all front and rear descriptions in this embodiment are based on the length direction of the frame 1 as a reference), which are used to connect the transition bracket 12, and the combined bracket 2 is fixedly installed on the frame 1 as a whole through the transition bracket 12.

[0040] like Figure 1 , Figure 2As shown, the battery placement area on the upper layer of the bracket body 26 is used to place the battery 6. An electromagnetic switch bracket 22 and a seven-way fuse box bracket 24 are provided directly above the battery placement area. The electromagnetic switch bracket 22 and the seven-way fuse box bracket 24 are arranged side by side, and both ends of the electromagnetic switch bracket 22 and the seven-way fuse box bracket 24 are connected to the upper frame of the bracket body 26 through double-headed screws. The electromagnetic switch bracket 22 and the seven-way fuse box bracket 24 both act as pressure plates to press down the battery 6 at the battery placement area to limit the movement of the battery 6.

[0041] The electromagnetic switch bracket 22 is used for installing the electromagnetic switch 4. Figure 5 As shown, the cross-section of the electromagnetic switch bracket 22 is U-shaped, and the electromagnetic switch bracket 22 includes a first horizontal section 2201 and a first vertical section 2202. Two first vertical sections 2202 are provided and are relatively fixedly arranged on both sides of the first horizontal section 2201. The first horizontal section 2201 is used to directly press on the battery 6. First through holes 2205 are provided at both ends of the first horizontal section 2201 for the installation of double-headed screws. The double-headed screws are distributed on the front and back sides of the battery placement area; a plurality of first mounting holes 2203 and second mounting holes 2204 are provided on the first vertical section 2202. The first mounting holes 2203 are used to fix the low-voltage wiring harness, and the second mounting holes 2204 are used for fixed installation of the electromagnetic switch 4.

[0042] The seven-way fuse box bracket 24 is used for fixing and installing the seven-way fuse box 7. Figure 7 As shown, the cross-section of the seven-way fuse box bracket 24 is U-shaped, and the seven-way fuse box bracket 24 includes a second horizontal section 2401 and vertical sections arranged on both sides thereof, and a flange 2402 is fixedly provided on the vertical section on one side of the seven-way fuse box bracket 24, wherein the second horizontal section 2401 is used to press on the battery 6, and second through holes 2403 are provided at both ends of the second horizontal section 2401 for the installation of double-headed screws, and a plurality of fourth mounting holes 2404 are provided on the flap 2402 for the fixed installation of the seven-way fuse box 7.

[0043] An all-in-one controller bracket 21 is fixedly provided on the upper layer of the bracket body 26. The all-in-one controller bracket 21 extends along the width direction of the bracket body 26 (which can also be regarded as the width direction of the frame 1). At least two all-in-one controller brackets 21 are provided. The two all-in-one controller brackets 21 are arranged opposite to each other. The all-in-one controller brackets 21 are located at the front side / rear side of the battery placement area (determined by the position of the battery placement area) for the installation of the all-in-one controller 3, such as Figure 4As shown, the all-in-one controller bracket 21 includes a horizontal beam 2101 and a vertical beam 2102 fixedly connected together. The horizontal beam 2101 is fixedly installed on the upper layer of the bracket body 26 through the vertical beam 2102. The horizontal beam 2101 is used for the installation of the all-in-one controller 3. At least two sets of welding nuts 2103 are fixedly provided on the vertical beam 2102 for fixing the high-voltage wire row, so as to optimize the direction of the high-voltage wire.

[0044] A low-voltage distribution box bracket 23 and a battery management unit bracket 25 are fixedly provided on the upper layer of the bracket body 26 along its width direction. The low-voltage distribution box bracket 23 and the battery management unit bracket 25 are relatively distributed on the left and right sides of the battery placement area (the left and right in this embodiment are based on the width direction of the bracket body 26 as a reference), so as to cooperate with the electromagnetic switch bracket 22, the seven-way fuse box bracket 24 and the double-headed screws at both ends of the electromagnetic switch bracket 22 and the seven-way fuse box bracket 24 to realize circumferential and upward restrictions on the battery 6, effectively restricting the movement of the battery 6, without the need to set up a dedicated battery restriction structure, and simplifying the structure.

[0045] The low voltage distribution box bracket 23 is used for installing the low voltage distribution box 5. Figure 6 As shown, the low-voltage distribution box bracket 23 is a Z-shaped structure, including an installation section 2301 and a fixed section fixedly connected together, and a third installation hole 2302 is provided on the installation section 2301 and the fixed section. The installation section 2301 is used to be fixedly connected to the upper side of the bracket body 26, and the fixed section is used for fixed installation of the low-voltage distribution box 5.

[0046] The battery management unit bracket 25 is used for fixing and installing the battery management unit 8. Two battery management unit brackets 25 are provided and fixedly arranged on the bracket body 26 by welding or the like. Figure 8 As shown, the battery management unit bracket 25 is an L-shaped structure, including a second vertical section 2501 and a third horizontal section 2502. The second vertical section 2501 and the third horizontal section 2502 are fixedly connected together. The second vertical section 2501 is provided with a plurality of fixing holes 2503 for fixing the low-voltage wiring harness. The third horizontal section 2502 is provided with a fifth mounting hole 2504 for fixedly installing the battery management unit 8. In actual use, the height of the third horizontal section 2502 is higher than the height of the electromagnetic switch bracket 22 and the seven-way fuse box bracket 24, which facilitates the battery management unit 8 to avoid the electromagnetic switch 4 and the seven-way fuse box 7, and facilitates the installation and maintenance of components.

[0047] like Figure 2As shown, an air pump bracket 27 is fixedly provided at the rear end of the bracket body 26 for fixed installation of the air pump 11, and a water baffle 28 is fixedly provided at the bottom of the bracket body 26 to avoid insulation problems of high and low voltage accessories caused by water ingress from below; a number of grounding columns 29 are fixedly provided on the sides of the front and rear mounting brackets on the bracket body 26 to form equipotential and improve safety of use.

[0048] The front mounting bracket 2601 and the rear mounting bracket 2602 on the bracket body 26 are both fixedly connected to the frame 1 through the transition bracket 12. Fig. 9 As shown, the transition bracket 12 includes a fourth horizontal section 1201 and a third vertical section 1202. The fourth horizontal section 1201 and the third vertical section 1202 have a smooth transition, and reinforcing ribs are provided to increase the overall strength. The third vertical section 1202 and the fourth horizontal section 1201 are both provided with a sixth mounting hole 1203 for fixed connection with the frame 1, the front mounting bracket 2601, and the rear mounting bracket 2602.

[0049] The combined bracket in this embodiment integrates the installation of an all-in-one controller 3, an electromagnetic switch 4, a low-voltage distribution box 5, a battery 6, a seven-circuit fuse box 7, a battery management unit 8, a two-in-one air conditioner 9, a steering oil pump 10, and an air pump 11. It has a high degree of integration and modularization. The high and low voltage accessories are arranged as a whole under the cab, and the bracket body has a layered structure, which saves space for the arrangement of the power battery. The combined bracket and its components can be assembled offline and assembled on the frame as a whole. The installation is convenient and quick, which improves the assembly efficiency.

[0050] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An integrated combined bracket under the cab of an electric vehicle, comprising: The bracket body (26) has two layers, the upper and lower layers, characterized in that the upper layer of the bracket body (26) is provided with a battery (6) placement area, the lower layer of the bracket body (26) has a space for installing a two-in-one air conditioner (9) and a steering oil pump (10), a mounting bracket is fixedly provided on one side of the bracket body (26), an electromagnetic switch bracket (22) and a seven-way fuse box bracket (24) are provided directly above the battery (6) placement area, the height of the electromagnetic switch bracket (22) and the seven-way fuse box bracket (24) is the same as the height of the battery (6), and the electromagnetic switch bracket (22) and the seven-way fuse box bracket (24) are provided. Both ends of the bracket (22) and the seven-way fuse box bracket (24) are connected to the bracket body (26) through double-headed screws, and the double-headed screws are distributed on the front and rear sides of the battery (6) placement area. The left and right sides of the battery (6) placement area are relatively provided with a low-voltage distribution box bracket (23) and a battery management unit bracket (25). The upper layer of the bracket body (26) is also fixedly provided with a multi-in-one controller bracket (21), and the multi-in-one controller bracket (21) is located on one side of the battery (6) placement area. An air pump bracket (27) is fixedly provided at one end of the bracket body (26).

2. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: A water baffle (28) is fixedly provided at the bottom of the bracket body (26).

3. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The bracket body (26) is fixedly provided with a plurality of iron posts (29) on the side of the mounting bracket.

4. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: A transition bracket (12) is fixedly connected between the installations, and the transition bracket (12) has a smooth transition and is provided with reinforcing ribs.

5. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The electromagnetic switch bracket (22) and the seven-way fuse box bracket (24) are arranged side by side. The cross section of the electromagnetic switch bracket (22) is U-shaped. The electromagnetic switch bracket (22) comprises a first horizontal section (2201) and a first vertical section (2202) which are fixedly connected together. The first vertical section (2202) is provided with a first mounting hole (2203) for fixing a low-voltage wiring harness and a second mounting hole (2204) for fixing an electromagnetic switch (4).

6. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The seven-way fuse box bracket (24) has a U-shaped cross section, a flange (2402) is fixedly provided on a vertical section on one side of the seven-way fuse box bracket (24), and a fourth mounting hole (2404) for fixing the seven-way fuse box (7) is provided on the flap.

7. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The all-in-one controller bracket (21) comprises a horizontal beam (2101) and a vertical beam (2102) which are fixedly connected together, and at least two groups of welding nuts (2103) for fixing the high-voltage wire row are fixedly arranged on the vertical beam (2102).

8. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The low-voltage distribution box bracket (23) is a Z-shaped structure.

9. The integrated combined bracket under the cab of an electric vehicle according to claim 1, characterized in that: The battery management unit bracket (25) is an L-shaped structure, comprising a second vertical section (2501) and a third horizontal section (2502) that are fixedly connected, the second vertical section (2501) is provided with a fixing hole (2503) for fixing a low-voltage wiring harness, and the third horizontal section (2502) is provided with a fifth mounting hole (2504) for mounting a battery management unit (8).

10. The integrated combined bracket under the cab of an electric vehicle according to claim 9, characterized in that: The height of the third horizontal section (2502) is higher than the heights of the electromagnetic switch bracket (22) and the seven-way fuse box bracket (24).

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