Battery pack bus aluminum bar

Abstract

The utility model relates to the technical field of bus aluminum bars, and discloses a battery pack bus aluminum bar which comprises two first aluminum bars, first threaded rods are fixedly connected to the tops of the first aluminum bars at equal intervals, and second aluminum bars are slidably connected to the exteriors of the first threaded rods. Nuts are in threaded connection with the outer portions of the first threaded rods and located on the tops of the second aluminum bars. According to the bus aluminum bar for the battery pack, the first aluminum bars and the second aluminum bars are used for conducting bus connection on the battery pack, the nuts are in threaded connection with the first threaded rods, the nuts abut against the second aluminum bars, and therefore the second aluminum bars are fixed to the first aluminum bars, and the two first aluminum bars are connected to the limiting plates through threaded connection between the second threaded rods and the threaded holes; according to the patent technology, the aluminum bars are convenient to assemble, and different numbers of aluminum bars are convenient to connect together, so that different numbers of battery packs are converged, the application range is wider, meanwhile, the aluminum bars are convenient to disassemble, the use is convenient, and the practical application is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of busbar aluminum bars, in particular to a battery pack busbar aluminum bar. Background Art

[0002] The busbar is one of the essential connectors in power transmission. The busbar is generally made of copper or industrial pure aluminum. The busbar made of industrial pure aluminum is light in weight and has high conductivity. It is widely used in battery components.

[0003] After searching, a Chinese patent discloses a busbar, a battery module and a battery pack (authorization announcement number CN218300139U), which mainly includes a connecting portion, a first extending portion and a second extending portion, wherein the first extending portion and the second extending portion are respectively extended from both sides of the connecting portion, and a sinking groove is provided on the first extending portion and the second extending portion, and the projection of the sinking groove along its height direction is an ellipse, which has a simple structure, can increase the flow rate of current, increase the power generation power of the battery cell, and save manufacturing costs;

[0004] Although the above patented technology includes a connecting portion, a first extending portion and a second extending portion, which can increase the current flow rate, increase the power generation power of the battery cell, and save manufacturing costs, the number of batteries installed on the above busbar is limited, and multiple busbars cannot be assembled together to achieve the convergence of more batteries. The scope of application is single and cannot meet the needs of more battery convergence. The scope of application is narrow and is not conducive to practical application. Utility Model Content

[0005] The purpose of the utility model is to provide a battery pack busbar to solve the problems raised in the above background technology.

[0006] The utility model provides the following technical solution: a battery pack busbar, comprising two first aluminum bars, the tops of the first aluminum bars are equidistantly fixedly connected with first threaded rods, the outsides of the first threaded rods are slidably connected with second aluminum bars, the outsides of the first threaded rods and located at the tops of the second aluminum bars are threadedly connected with nuts, the bottoms of the nuts are abutted against the corresponding second aluminum bars, an I-shaped limit plate is installed between the adjacent sides of the two first aluminum bars, the top of the limit plate is threadedly connected with four second threaded rods, the bottom of the limit plate is provided with four threaded holes, the second threaded rods pass through the limit plate and the first aluminum bar and extend to the inside of the corresponding threaded holes, and the second threaded rods are threadedly connected with the corresponding threaded holes.

[0007] Through the above technical scheme, the first aluminum bar and the second aluminum bar are used to converge the battery pack, and the nut is threadedly connected to the first threaded rod to make the nut and the second aluminum bar pressed against each other, so that the second aluminum bar is fixed on the first aluminum bar, and the two first aluminum bars are connected to the limit plate by threading the second threaded rod and the threaded hole. This patented technology is convenient for assembling aluminum bars and connecting different numbers of aluminum bars together, so that different numbers of battery packs can be converged, and the scope of application is wider. At the same time, this technology is convenient for disassembling aluminum bars, easy to use, and conducive to practical applications.

[0008] Specifically, a heat sink is fixedly connected to the top of the first aluminum row, and the heat sink is located between the second aluminum rows and is attached to one side of the second aluminum row.

[0009] Through the above technical solution, the heat sink fixedly connected to the top of the first aluminum row is used to dissipate heat from the battery pack on the second aluminum row. The heat sink is located between the second aluminum rows and is attached to one side of the second aluminum row, so that the heat sink and the aluminum row have a larger contact area, thereby achieving better heat dissipation effect.

[0010] Specifically, thermal conductive silicone grease is applied between the bottom of the heat sink and the top of the first aluminum row.

[0011] Through the above technical solution, the heat on the first aluminum row is better transferred to the heat sink by utilizing the thermal conductive silicone grease applied between the bottom of the heat sink and the top of the first aluminum row, thereby achieving a better heat dissipation effect of the heat sink.

[0012] Specifically, the top of each of the second threaded rods is fixedly connected with a rotating handle.

[0013] Through the above technical solution, by utilizing the rotating handle fixedly connected to the top of the second threaded rod, rotating the second threaded rod is more labor-saving, thereby more conveniently assembling the two first aluminum bars together.

[0014] Specifically, two mounting holes are provided on the top of the first aluminum row away from the limiting plate, and the mounting holes are used in conjunction with the second threaded rod.

[0015] Through the above technical solution, the mounting hole is used in conjunction with the second threaded rod to facilitate the assembly of multiple first aluminum rows, thereby facilitating the confluence of more battery packs.

[0016] Specifically, two positioning holes are provided on the top of each of the second aluminum rows.

[0017] Through the above technical solution, the battery pack can be conveniently installed on the second aluminum row by utilizing the two positioning holes opened on the top of the second aluminum row, thereby realizing the convergence of the battery pack.

[0018] Compared with the prior art, the beneficial effects achieved by the utility model are: the battery pack is converged by using the first aluminum bar and the second aluminum bar, the nut is threadedly connected to the first threaded rod to make the nut and the second aluminum bar pressed tightly, so that the second aluminum bar is fixed on the first aluminum bar, and the two first aluminum bars are connected to the limit plate by threading the second threaded rod and the threaded hole. This patented technology is convenient for assembling aluminum bars and connecting different numbers of aluminum bars together, so that different numbers of battery packs can be converged, and the scope of application is wider. At the same time, this technology is convenient for disassembling aluminum bars, easy to use, and conducive to practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model.

[0020] Figure 2 It is a front sectional view of the utility model.

[0021] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0022] Figure 4 It is a top view of the utility model.

[0023] Figure 5 It is a side view of the utility model.

[0024] Among them: 1. first aluminum bar; 2. second aluminum bar; 3. nut; 4. first threaded rod; 5. heat sink; 6. limit plate; 7. handle; 8. positioning hole; 9. mounting hole; 10. second threaded rod; 11. threaded hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5, a battery pack busbar, comprising two first aluminum bars 1, the tops of the first aluminum bars 1 are fixedly connected with first threaded rods 4 at equal distances, the outsides of the first threaded rods 4 are slidably connected with second aluminum bars 2, the second aluminum bars 2 are mounted on the first aluminum bars 1 by means of the sliding connection between the first threaded rods 4 and the second aluminum bars 2, the outsides of the first threaded rods 4 and located at the tops of the second aluminum bars 2 are threadedly connected with nuts 3, the bottoms of the nuts 3 are abutted against the corresponding second aluminum bars 2, so that the second aluminum bars 2 are fixed on the first aluminum bars 1, an I-shaped limit plate 6 is installed between the two adjacent sides of the first aluminum bars 1, the first aluminum bars 1 are connected by means of the limit plate 6, the tops of the limit plate 6 are threadedly connected with four second threaded rods 10, the bottoms of the limit plate 6 are provided with four threaded holes 11, the second threaded rods 10 all pass through the limit plate 6 and the first aluminum bars 1 and extend to the insides of the corresponding threaded holes 11, the second threaded rods 10 are all threadedly connected with the corresponding threaded holes 11.

[0027] The battery packs are converged by using the first aluminum bar 1 and the second aluminum bar 2, and the nut 3 is threadedly connected to the first threaded rod 4 to make the nut 3 and the second aluminum bar 2 press against each other, so that the second aluminum bar 2 is fixed on the first aluminum bar 1, and the two first aluminum bars 1 are connected to the limiting plate 6 by using the second threaded rod 10 and the threaded hole 11. This patented technology is convenient for assembling aluminum bars and connecting different numbers of aluminum bars together, so that different numbers of battery packs can be converged, and the scope of application is wider. At the same time, this technology is convenient for disassembling aluminum bars, easy to use, and conducive to practical applications.

[0028] A heat sink 5 is fixedly connected to the top of the first aluminum row 1 , and the heat sink 5 is located between the second aluminum rows 2 and is attached to one side of the second aluminum row 2 . Thermal grease is applied between the bottom of the heat sink 5 and the top of the first aluminum row 1 .

[0029] The heat sink 5 fixedly connected to the top of the first aluminum row 1 is used to dissipate heat for the battery pack on the second aluminum row 2. The heat sink 5 is located between the second aluminum rows 2 and is attached to one side of the second aluminum row 2, so that the heat sink 5 has a larger contact area with the aluminum row, thereby achieving better heat dissipation effect. The thermal conductive silicone grease applied between the bottom of the heat sink 5 and the top of the first aluminum row 1 can better transfer the heat on the first aluminum row 1 to the heat sink 5, thereby achieving better heat dissipation effect of the heat sink 5.

[0030] The top of each of the second threaded rods 10 is fixedly connected with a turning handle 7, and the top of each of the first aluminum bars 1 away from the limiting plate 6 is provided with two mounting holes 9, and the mounting holes 9 are used in conjunction with the second threaded rods 10, and the top of each of the second aluminum bars 2 is provided with two positioning holes 8.

[0031] By using the rotating handle 7 fixedly connected to the top of the second threaded rod 10, it is easier to rotate the second threaded rod 10, so that the two first aluminum bars 1 can be assembled together more conveniently. By using the mounting hole 9 in conjunction with the second threaded rod 10, multiple first aluminum bars 1 can be assembled together, so that more battery packs can be converged together. By using the two positioning holes 8 opened on the top of the second aluminum bar 2, the battery pack can be conveniently installed on the second aluminum bar 2, thereby realizing the convergence of the battery packs.

[0032] When in use, the battery pack is installed on the second aluminum row 2 by using the two positioning holes 8 opened on the top of the second aluminum row 2, so as to realize the convergence of the battery packs, and the second aluminum row 2 is slidably connected to the first threaded rod 4, and the nut 3 is threadedly connected to the first threaded rod 4, and the nut 3 is rotated to make the nut 3 and the second aluminum row 2 tightly pressed, so that the second aluminum row 2 is fixed on the first aluminum row 1, and the second threaded rod 10 is rotated by the handle 7 at the top of the second threaded rod 10, and the second threaded rod 10 is threadedly connected to the threaded hole 11, so that the two first aluminum rows 1 are connected to the limiting plate 6, and the mounting hole 9 is used in conjunction with the second threaded rod 10 to facilitate the assembly of multiple first aluminum rows 1 together, so as to converge more battery packs together.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A battery pack busbar, comprising two first aluminum bars (1), characterized in that: The top of each of the first aluminum bars (1) is fixedly connected to a first threaded rod (4) at an equal distance, the outside of each of the first threaded rods (4) is slidably connected to a second aluminum bar (2), the outside of each of the first threaded rods (4) and located at the top of each of the second aluminum bars (2) is threadedly connected to a nut (3), the bottom of each of the nuts (3) is in contact with the corresponding second aluminum bar (2), an I-shaped limit plate (6) is installed between the adjacent sides of the two first aluminum bars (1), the top of each of the limit plates (6) is threadedly connected to four second threaded rods (10), the bottom of each of the limit plates (6) is provided with four threaded holes (11), the second threaded rods (10) pass through the limit plate (6) and the first aluminum bar (1) and extend to the inside of the corresponding threaded hole (11), and the second threaded rods (10) are threadedly connected to the corresponding threaded hole (11).

2. The battery pack busbar according to claim 1, characterized in that: A heat sink (5) is fixedly connected to the top of the first aluminum row (1), and the heat sink (5) is located between the second aluminum rows (2) and is in contact with one side of the second aluminum row (2).

3. The battery pack busbar according to claim 2, characterized in that: Thermal conductive silicone grease is applied between the bottom of the heat sink (5) and the top of the first aluminum row (1).

4. The battery pack busbar according to claim 1, characterized in that: The top of each of the second threaded rods (10) is fixedly connected to a rotating handle (7).

5. The battery pack busbar according to claim 1, characterized in that: Two mounting holes (9) are provided on the top of the first aluminum bar (1) on the side away from the limiting plate (6), and the mounting holes (9) are used in conjunction with the second threaded rod (10).

6. The battery pack aluminum busbar according to claim 2, characterized in that: Two positioning holes (8) are provided on the top of each of the second aluminum rows (2).

Images