Aluminum alloy frame for new energy vehicle battery pack

Abstract

The utility model discloses an aluminum alloy frame for a battery pack of a new energy vehicle, comprising an aluminum alloy outer frame, a battery module arranged in the aluminum alloy outer frame, a protective component for protecting the battery module and a cooling component for preventing the battery module from being overheated and damaged. The protective component comprises a mounting plate arranged in the aluminum alloy outer frame, a shock absorber respectively connected to two sides of the bottom of the mounting plate, a first groove respectively arranged at two sides of the bottom of the aluminum alloy outer frame, a second groove arranged at the bottom of the first groove and a movable plate connected to the second groove. The utility model solves the problem that the existing aluminum alloy frame can be connected and fixed to the outer frame, but has a relatively poor protective effect on the internal battery pack, the battery pack is easily vibrated inside, and the components inside the battery pack are easily damaged, thereby resulting in insufficient practicality by arranging the aluminum alloy outer frame, the battery module and the protective component.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy frames for battery packs, in particular to an aluminum alloy frame for a battery pack of a new energy vehicle. Background Art

[0002] A battery pack is an integrated voltage source composed of multiple batteries, and is widely used in electric vehicles, energy storage systems, and other fields. Its basic structure consists of batteries, battery management systems, housings, wiring, temperature sensors, etc. The main function of a battery pack is to provide electrical energy to drive the motor of an electric vehicle or the active power output of an energy storage system.

[0003] The existing patent CN219873772U discloses an aluminum alloy outer frame for a battery pack, which relates to the technical field of outer frames for battery packs, including an outer frame, a battery module is placed in the inner cavity of the outer frame, a charging port is fixedly installed at one end of the battery module, and the charging port is exposed on the outer surface of the outer frame, a quick-release assembly is arranged on the upper surface of the outer frame, and ventilation assemblies are arranged on both sides of the outer frame, the quick-release assembly includes a top cover, the outer frame and the top cover are both made of aluminum alloy material, fixed blocks are fixedly installed at both ends of the top cover, an elastic rod is slidably connected to the inner cavity of the fixed block, and a spring is arranged in the inner cavity of the fixed block. The outer frame of the utility model is convenient for later repair and maintenance through a structure that is easy to disassemble, while ensuring the stability of the outer frame connection and ensuring that the battery module is protected by the outer frame; the outer frame has a ventilation effect and reduces dust from entering the inner part of the battery outer frame, and the ventilation assembly can be regularly cleaned of dust, thereby increasing the service life of the battery module.

[0004] Based on the search of the above patents and in combination with the aluminum alloy frame in the prior art, it was found that although the outer frame can be connected and fixed, the protection effect for the internal battery pack is relatively poor. The battery pack is easily vibrated inside, and the components inside the battery pack are easily damaged, resulting in insufficient practicality. Utility Model Content

[0005] The purpose of the utility model is to provide an aluminum alloy frame for a new energy vehicle battery pack in view of the deficiencies in the prior art, so as to solve the problem that the existing aluminum alloy frame proposed in the above background technology can be connected and fixed to the outer frame, but its protection effect on the internal battery pack is relatively poor, the battery pack is easily vibrated inside, and the components inside the battery pack are easily damaged, thereby resulting in insufficient practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum alloy frame for a new energy vehicle battery pack, comprising an aluminum alloy outer frame, a battery module arranged in the aluminum alloy outer frame, a protective component for protecting the battery module, and a cooling component for preventing the battery module from being overheated and damaged. The protective component comprises a mounting plate arranged in the aluminum alloy outer frame, a shock absorber respectively connected to both sides of the bottom of the mounting plate, a first groove respectively opened on both sides of the bottom of the aluminum alloy outer frame, a second groove opened at the bottom of the first groove, a movable plate connected to the second groove, a guide rod respectively connected to both sides of the top of the movable plate, a spring sleeved on the outside of the guide rod, and an auxiliary component for improving the protective effect. The guide rod is slidably connected to the first groove, the movable plate is slidably connected to the second groove, and the guide rod is fixedly connected to the mounting plate.

[0007] Preferably, the cooling component includes a plurality of air outlets evenly arranged on both sides of the aluminum alloy outer frame, a dust screen connected to one side of the air outlet, a horizontal plate connected to the inner wall of the air outlet, an exhaust fan connected to the horizontal plate, and a heat conducting component for improving the cooling effect.

[0008] Preferably, the auxiliary component includes a third groove opened at the bottom of the second groove, a sliding rod fixedly connected to the bottom of the movable plate, a first elastic sheet sleeved on the outside of the sliding rod, and a second elastic sheet abutting against the bottom of the first elastic sheet, the first elastic sheet is fixedly connected to the movable plate, and the second elastic sheet is fixedly connected to the bottom of the second groove.

[0009] Preferably, the heat-conducting component comprises a heat-absorbing plate respectively connected to two sides of the inner side of the aluminum alloy outer frame and a plurality of heat-dissipating fins evenly arranged on one side of the heat-absorbing plate.

[0010] Preferably, first elastic frames are provided on both sides of the bottom of the mounting plate, and both sides of the first elastic frame are fixedly connected to the mounting plate and the bottom of the aluminum alloy outer frame respectively.

[0011] Preferably, a second elastic frame is fixedly connected inside the first elastic frame, and two sides of the second elastic frame are arc-shaped.

[0012] Preferably, the first spring piece is in an umbrella shape, and the second spring piece is in an umbrella shape.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting an aluminum alloy outer frame, a battery module and protective components, the battery module can be fixed to the mounting plate. When vibration occurs, the mounting plate can move downward due to the vibration, thereby driving the guide rod to move downward and squeezing the spring to deform it. The elasticity of the spring and the shock absorber can be used to buffer the vibration, thereby protecting the battery module and preventing damage to the components in the battery module, thereby improving practicality.

[0015] 2. By providing a cooling component, the dustproof net can prevent external dust from entering the aluminum alloy outer frame, and the exhaust fan can extract the heat inside the aluminum alloy outer frame, which can reduce the temperature inside the aluminum alloy outer frame, and then quickly reduce the temperature of the battery module to prevent it from overheating and damage, thereby further improving the protection effect and further improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 For the utility model Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 For the utility model Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1. aluminum alloy frame; 11. battery module; 21. mounting plate; 22. shock absorber; 23. first groove; 24. second groove; 25. movable plate; 26. guide rod; 27. spring; 31. air outlet; 32. dust screen; 33. horizontal plate; 34. exhaust fan; 41. third groove; 42. sliding rod; 43. first spring piece; 44. second spring piece; 51. heat absorbing plate; 52. heat dissipating fin; 61. first elastic frame; 71. second elastic frame. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The utility model provides a technical solution: an aluminum alloy frame for a new energy vehicle battery pack, comprising an aluminum alloy outer frame 1, a battery module 11 arranged in the aluminum alloy outer frame 1, a protective component for protecting the battery module 11, and a cooling component for preventing the battery module 11 from being overheated and damaged. The protective component comprises a mounting plate 21 arranged in the aluminum alloy outer frame 1, a shock absorber 22 connected to both sides of the bottom of the mounting plate 21, a first groove 23 respectively opened on both sides of the bottom of the aluminum alloy outer frame 1, a second groove 24 opened in the bottom of the first groove 23, a moving plate 25 connected to the second groove 24, a guide rod 26 respectively connected to both sides of the top of the moving plate 25, and a guide rod 26 sleeved on the guide rod 26. The spring 27 on the outside of the rod 26 and the auxiliary components for improving the protection effect, the guide rod 26 is slidably connected to the first groove 23, the movable plate 25 is slidably connected to the second groove 24, the guide rod 26 is fixedly connected to the mounting plate 21, the movement of the mounting plate 21 can cause the spring 27 to deform, the spring 27 and the shock absorber 22 can be used to buffer the vibration, and then the battery module 11 can be protected to prevent the components inside the battery module 11 from being damaged due to vibration, the guide rod 26 can guide the spring 27 to prevent the spring 27 from being skewed and deformed and damaged, the auxiliary components include a third groove 41 opened at the bottom of the second groove 24, and a sliding rod fixedly connected to the bottom of the movable plate 25 42, a first spring piece 43 sleeved on the outer side of the slide bar 42 and a second spring piece 44 abutting against the bottom of the first spring piece 43, the first spring piece 43 is fixedly connected to the movable plate 25, and the second spring piece 44 is fixedly connected to the bottom of the second groove 24, the movable plate 25 moves downward to squeeze the first spring piece 43 to move it downward, the first spring piece 43 and the second spring piece 44 abut, so that the first spring piece 43 and the second spring piece 44 can be deformed, which can improve the protection effect of the battery module 11, the slide bar 42 can prevent the first spring piece 43 and the second spring piece 44 from tilting when deforming, the shape of the first spring piece 43 is an umbrella shape, and the shape of the second spring piece 44 is an umbrella shape, which can facilitate the first spring piece 43 and the second spring piece 4 4 are mutually squeezed and deformed to prevent the first elastic sheet 43 from being separated from the second elastic sheet 44. First elastic frames 61 are provided at both sides of the bottom of the mounting plate 21. Both sides of the first elastic frame 61 are fixedly connected to the mounting plate 21 and the bottom of the aluminum alloy outer frame 1 respectively. When the mounting plate 21 moves downward, the first elastic frame 61 can be squeezed to deform the first elastic frame 61, thereby further improving the protection effect on the battery module 11. A second elastic frame 71 is fixedly connected inside the first elastic frame 61. Both sides of the second elastic frame 71 are arc-shaped. When the first elastic frame 61 is squeezed and deformed, the second elastic frame 71 can be squeezed to deform the second elastic frame 71, thereby further improving the protection effect on the battery module 11.

[0023] See also Figure 1 , Figure 2 as well as Figure 3The cooling component includes a plurality of air outlets 31 respectively arranged evenly on both sides of the aluminum alloy outer frame 1, a dustproof net 32 ​​connected to one side of the air outlet 31, a horizontal plate 33 connected to the inner wall of the air outlet 31, an exhaust fan 34 connected to the horizontal plate 33, and a heat conducting component for improving the cooling effect. The air outlet 31 can facilitate the heat dissipation in the aluminum alloy outer frame 1. When the exhaust fan 34 is working, the heat in the aluminum alloy outer frame 1 can be quickly extracted, thereby quickly reducing the temperature in the aluminum alloy outer frame 1. The dustproof net 32 ​​can protect against external dust and prevent dust from entering the aluminum alloy outer frame 1. The heat conducting component includes a heat absorbing plate 51 respectively connected to the inner sides of the aluminum alloy outer frame 1 and a plurality of heat dissipating fins 52 evenly arranged on one side of the heat absorbing plate 51. The heat absorbing plate 51 can transfer the heat in the aluminum alloy outer frame 1 to the heat dissipating fins 52. The heat dissipating fins 52 extend to the outside of the aluminum alloy outer frame 1 and can dissipate the heat into the air, thereby improving the heat dissipation and cooling efficiency.

[0024] Working principle: during operation, the battery module 11 can be installed and fixed on the mounting plate 21. When external vibration occurs, the battery module 11 drives the mounting plate 21 to move downward. The downward movement of the mounting plate 21 can squeeze the spring 27 and the first elastic frame 61. The first elastic frame 61 squeezes the second elastic frame 71 to deform it, and at the same time drives the guide rod 26 to move downward. The downward movement of the guide rod 26 can drive the movable plate 25 to move downward. The downward movement of the movable plate 25 can squeeze the first elastic sheet 43. Since the first elastic sheet 43 and the second elastic sheet 44 abut against each other, the second elastic sheet 44 is deformed accordingly. The force generated by the deformation of the first elastic frame 61, the second elastic frame 71, the spring 27, the first elastic sheet 43 and the second elastic sheet 44 can be used to buffer the vibration, thereby The battery module 11 is protected to prevent it from being damaged by vibration. The air outlet 31 can facilitate the dissipation of heat in the aluminum alloy outer frame 1. At the same time, when the exhaust fan 34 is working, the heat in the aluminum alloy outer frame 1 can be quickly extracted, thereby quickly reducing the temperature in the aluminum alloy outer frame 1. The dustproof net 32 ​​can protect against external dust and prevent dust from entering the aluminum alloy outer frame 1. The heat absorbing plate 51 can transfer the heat in the aluminum alloy outer frame 1 to the heat dissipating fins 52. The heat dissipating fins 52 extend to the outside of the aluminum alloy outer frame 1 and can dissipate heat into the air, thereby improving the heat dissipation and cooling efficiency. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum alloy frame for a new energy vehicle battery pack, comprising an aluminum alloy outer frame (1), a battery module (11) arranged in the aluminum alloy outer frame (1), a protective component for protecting the battery module (11), and a cooling component for preventing the battery module (11) from being damaged by overheating, characterized in that: The protective component comprises a mounting plate (21) arranged in an aluminum alloy outer frame (1), a shock absorber (22) respectively connected to two sides of the bottom of the mounting plate (21), a first groove (23) respectively opened at two sides of the bottom of the aluminum alloy outer frame (1), a second groove (24) opened at the bottom of the first groove (23), a movable plate (25) connected to the second groove (24), a guide rod (26) respectively connected to two sides of the top of the movable plate (25), a spring (27) sleeved on the outside of the guide rod (26), and an auxiliary component for improving the protective effect, wherein the guide rod (26) is slidably connected to the first groove (23), the movable plate (25) is slidably connected to the second groove (24), and the guide rod (26) is fixedly connected to the mounting plate (21).

2. The aluminum alloy frame for a new energy vehicle battery pack according to claim 1, characterized in that: The cooling component comprises a plurality of air outlets (31) evenly arranged on both sides of the aluminum alloy outer frame (1), a dust screen (32) connected to one side of the air outlet (31), a horizontal plate (33) connected to the inner wall of the air outlet (31), an exhaust fan (34) connected to the horizontal plate (33), and a heat conduction component for improving the cooling effect.

3. The aluminum alloy frame for a new energy vehicle battery pack according to claim 1, characterized in that: The auxiliary component comprises a third groove (41) opened at the bottom of the second groove (24), a sliding rod (42) fixedly connected to the bottom of the movable plate (25), a first elastic sheet (43) sleeved on the outside of the sliding rod (42), and a second elastic sheet (44) abutting against the bottom of the first elastic sheet (43), wherein the first elastic sheet (43) is fixedly connected to the movable plate (25), and the second elastic sheet (44) is fixedly connected to the bottom of the second groove (24).

4. The aluminum alloy frame for a new energy vehicle battery pack according to claim 2, characterized in that: The heat-conducting component comprises a heat-absorbing plate (51) respectively connected to two sides of the inner side of the aluminum alloy outer frame (1) and a plurality of heat-dissipating fins (52) arranged evenly on one side of the heat-absorbing plate (51).

5. The aluminum alloy frame for a new energy vehicle battery pack according to claim 1, characterized in that: First elastic frames (61) are provided on both sides of the bottom of the mounting plate (21), and both sides of the first elastic frame (61) are fixedly connected to the mounting plate (21) and the bottom of the aluminum alloy outer frame (1) respectively.

6. The aluminum alloy frame for a new energy vehicle battery pack according to claim 5, characterized in that: A second elastic frame (71) is fixedly connected inside the first elastic frame (61), and two sides of the second elastic frame (71) are arc-shaped.

7. The aluminum alloy frame for a new energy vehicle battery pack according to claim 3, characterized in that: The first elastic piece (43) is in the shape of an umbrella, and the second elastic piece (44) is in the shape of an umbrella.

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