Battery pack box body heat dissipation structure

Abstract

The invention discloses a heat dissipation structure of a battery pack box body. The heat dissipation structure comprises the battery pack box body and a heat dissipation opening formed in the side face of the battery pack box body. Heat dissipation fan blades are arranged on the inner side face of the air outlet filter screen opening, an inserting connection column is arranged on the side face of the air outlet filter screen opening, external connection rotating fan blades are rotationally connected to the outer side face of the inserting connection column, sweeping strips are arranged on the side face of the external connection rotating fan blades, and the sweeping strips and the external connection rotating fan blades are of an integrated structure. When air flows out of the heat dissipation opening, the external connection rotating fan blades are driven to rotate, meanwhile, the sweeping strips also rotate, brushes on the side faces of the sweeping strips make contact with the surface of the air outlet filter screen opening for brushing, and dust on the surface of the air outlet filter screen opening can be cleaned in time after brushing; therefore, the phenomenon that dust is accumulated and attached to block the filter screen, so that gas is difficult to enter and discharge to influence the heat dissipation efficiency is effectively avoided, and the heat dissipation structure of the battery pack box body is effectively improved.

Description

Technical Field

[0001] The present invention belongs to the technical field related to new energy, and in particular relates to a heat dissipation structure of a battery pack box. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as their power source (or use conventional vehicle fuels and new vehicle power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc.

[0003] The battery pack box heat dissipation structure is a structure used to dissipate heat from the battery pack box of a new energy vehicle.

[0004] However, the air inlet and outlet of the traditional battery pack box heat dissipation structure are easily attached with dust when dissipating heat through wind, resulting in poor air inlet and outlet, which can easily affect the heat dissipation effect.

[0005] The present invention improves upon the above-mentioned problem, and specifically relates to a self-cleaning battery pack box heat dissipation structure. Summary of the invention

[0006] The object of the present invention is to provide a battery pack box heat dissipation structure to solve the problem that the traditional battery pack box heat dissipation structure proposed in the above background technology is easy to be attached to dust at its air inlet and outlet when dissipating heat through wind, resulting in unsmooth gas entry and discharge, which easily affects the heat dissipation effect.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a battery pack box heat dissipation structure, comprising a battery pack box and a heat dissipation port arranged at a side position of the battery pack box;

[0008] An air outlet filter port is provided at the middle position of the heat dissipation port;

[0009] The inner side surface of the air outlet filter port is provided with a heat dissipation fan blade, the side position of the air outlet filter port is provided with a plug-in connecting column, the outer side surface position of the plug-in connecting column is rotatably connected with an externally connected rotating fan blade, and the side position of the externally connected rotating fan blade is provided with a cleaning strip, the cleaning strip and the externally connected rotating fan blade are an integrated structure, when air is discharged from the heat dissipation port, the externally connected rotating fan blade will be driven to rotate, and the cleaning strip will also rotate at the same time, and the brush on its side contacts the surface of the air outlet filter port for scrubbing.

[0010] Preferably, a plug-in connection groove is provided at a middle position of the air outlet filter port, and a clamping groove is provided at a side position of the plug-in connection groove.

[0011] Preferably, an inner connection extrusion spring is provided at an inner position of the plug-in connection column, and an extrusion buckle slope column is connected and provided at a side position of the inner connection extrusion spring.

[0012] Preferably, a positive electrode for connecting the battery box is arranged at the left side of the battery box, and a negative electrode for connecting the battery box is arranged at the right side of the battery box.

[0013] Preferably, an extrusion fixing plate is provided at the upper side of the box body connected to the positive electrode and the box body connected to the negative electrode, and the extrusion fixing plate is connected by plugging and screwing.

[0014] Preferably, an upper mounting connecting plate is provided at the upper side of the battery pack box, and the upper mounting connecting plate is mounted and connected to the battery pack box by screws.

[0015] Preferably, side heat dissipation fins are provided at the side positions of the battery pack box, the side heat dissipation fins are convex strip structures, and the side heat dissipation fins and the battery pack box are an integrated structure.

[0016] Preferably, a mounting connecting piece is provided at a bottom side of the battery pack box, and a threaded through hole is provided on the mounting connecting piece.

[0017] Compared with the prior art, the present invention provides a battery pack box heat dissipation structure, which has the following beneficial effects:

[0018] In the heat dissipation structure of the battery pack box, a heat dissipation fan blade is arranged on the inner side surface of the air outlet filter port, a plug-in connecting column is arranged at the side position of the air outlet filter port, an externally connected rotating fan blade is rotatably connected at the outer side surface position of the plug-in connecting column, and a cleaning strip is arranged at the side position of the externally connected rotating fan blade. The cleaning strip and the externally connected rotating fan blade are an integrated structure. When the heat dissipation port discharges air, the externally connected rotating fan blade will be driven to rotate, and the cleaning strip will also rotate at the same time, and the brush on the side thereof will contact the surface of the air outlet filter port for brushing. After brushing, the dust on the surface of the air outlet filter port can be cleaned in time, thereby effectively avoiding the phenomenon that dust accumulation and adhesion block the filter, making it difficult for gas to enter and discharge, affecting the heat dissipation efficiency, thereby effectively improving the heat dissipation structure of the battery pack box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the heat dissipation structure of the battery pack box of the present invention.

[0020] Figure 2 It is a schematic diagram of the unimproved structure of the heat dissipation structure of the battery pack box of the present invention.

[0021] Figure 3It is a schematic diagram of the enlarged structure of the heat dissipation structure of the battery pack box of the present invention at position A.

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure at the location of the plug-in connection column of the heat dissipation structure of the battery pack box of the present invention.

[0023] In the figure: 1. Battery pack box; 2. Box connected to positive pole; 3. Box connected to negative pole; 4. Extrusion fixing plate; 5. Upper installation connecting plate; 6. Side heat dissipation fins; 7. Heat dissipation port; 8. Installation connecting piece; 9. Air outlet filter port; 10. Plug-in connection slot; 11. External connection rotating fan blades; 12. Cleaning strip; 13. Plug-in connection column; 14. Internal connection extrusion spring; 15. Extrusion buckle slope column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] The present invention provides Figure 1-4 As shown, a battery box heat dissipation structure includes a battery box 1 and a heat dissipation port 7 arranged at a side position of the battery box 1; an air outlet filter port 9 is arranged at the middle position of the heat dissipation port 7;

[0026] The inner side surface of the air outlet filter port 9 is provided with a heat dissipation fan blade, and a plug-in connection column 13 is provided at the side position of the air outlet filter port 9. The outer side surface position of the plug-in connection column 13 is rotatably connected with an externally connected rotating fan blade 11, and a cleaning strip 12 is provided at the side position of the externally connected rotating fan blade 11. The cleaning strip 12 and the externally connected rotating fan blade 11 are an integrated structure. When the heat dissipation port 7 discharges air, the externally connected rotating fan blade 11 will be driven to rotate, and the cleaning strip 12 will also rotate, and the brush on its side will contact the surface of the air outlet filter port 9 for brushing. After brushing, the dust on the surface of the air outlet filter port 9 can be cleaned in time, thereby effectively avoiding the phenomenon that dust accumulation and adhesion block the filter, making it difficult for gas to enter and discharge, affecting the heat dissipation efficiency, thereby effectively improving the heat dissipation structure of the battery pack box 1.

[0027] like Figure 2 and Figure 4As shown, a plug-in connection groove 10 is provided at the middle position of the air outlet filter port 9, a clamping groove is provided at the side position of the plug-in connection groove 10, an internal connection extrusion spring 14 is provided at the internal position of the plug-in connection column 13, and an extrusion buckle slope column 15 is connected to the side position of the internal connection extrusion spring 14. When in use, the plug-in connection column 13 is plugged into the plug-in connection groove 10 and then the extrusion buckle slope column 15 is buckled into the clamping groove by the internal connection extrusion spring 14 to complete the installation of the externally connected rotating fan blade 11. When disassembling, the plug-in connection column 13 is rotated to make the plug-in connection groove 10 squeeze the slope of the extrusion buckle slope column 15 so that it shrinks inward and then it is pulled out to complete the disassembly. The operation is simple, convenient and quick, thereby effectively improving the installation and disassembly efficiency.

[0028] like Figure 1 As shown, a case connecting positive electrode 2 is provided at the left side of the battery case 1, and a case connecting negative electrode 3 is provided at the right side of the battery case 1. The case connecting positive electrode 2 and the case connecting negative electrode 3 are used to connect to external connecting wires.

[0029] like Figure 1 As shown, an extrusion fixing plate 4 is provided at the upper side of the box body connected to the positive electrode 2 and the box body connected to the negative electrode 3. The extrusion fixing plate 4 is connected by plugging in and by screws. The extrusion fixing plate 4 can squeeze the connecting wire through screws, thereby making the connection more convenient and stable.

[0030] like Figure 1 As shown, an upper mounting connecting plate 5 is provided at the upper side of the battery pack case 1, and the upper mounting connecting plate 5 is mounted and connected to the battery pack case 1 by screws. The setting of the upper mounting connecting plate 5 can facilitate the user to place and install the battery pack into the interior of the battery pack case 1.

[0031] like Figure 1 As shown, a side heat dissipation fin 6 is provided at the side position of the battery pack case 1. The side heat dissipation fin 6 is a convex strip structure. The side heat dissipation fin 6 and the battery pack case 1 are an integrated structure. The setting of the side heat dissipation fin 6 can increase the contact area between the inside of the battery pack case 1 and the external space, thereby improving its heat dissipation efficiency.

[0032] like Figure 1 As shown, a mounting connecting piece 8 is provided at the bottom side of the battery pack case 1, and a threaded through hole is provided on the mounting connecting piece 8. The mounting connecting piece 8 is configured to be used for passing screws through to fix the battery pack case 1 to a specified position inside the new energy battery.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pack box heat dissipation structure, comprising A battery pack box (1) and a heat dissipation port (7) arranged at a side of the battery pack box (1); An air outlet filter port (9) is provided at the middle position of the heat dissipation port (7); Features: The inner side surface of the air outlet filter opening (9) is provided with a heat dissipation fan blade, the side position of the air outlet filter opening (9) is provided with a plug-in connection column (13), the outer side surface of the plug-in connection column (13) is rotatably connected with an externally connected rotating fan blade (11), the side position of the externally connected rotating fan blade (11) is provided with a cleaning strip (12), the cleaning strip (12) and the externally connected rotating fan blade (11) are an integrated structure, when the heat dissipation opening (7) discharges air, the externally connected rotating fan blade (11) is driven to rotate, and at the same time, the cleaning strip (12) is also rotated, and the brush on the side of the cleaning strip contacts the surface of the air outlet filter opening (9) for scrubbing.

2. A battery pack box heat dissipation structure according to claim 1, characterized in that: A plug-in connection groove (10) is provided at the middle position of the air outlet filter port (9), and a clamping groove is provided at the side position of the plug-in connection groove (10).

3. The heat dissipation structure of a battery pack box according to claim 1, characterized in that: An internal connection extrusion spring (14) is arranged at an inner position of the plug-in connection column (13), and an extrusion buckle slope column (15) is connected and arranged at a side position of the internal connection extrusion spring (14).

4. The heat dissipation structure of a battery pack box according to claim 1, characterized in that: A box body connection positive electrode (2) is arranged at the left side of the battery pack box body (1), and a box body connection negative electrode (3) is arranged at the right side of the battery pack box body (1).

5. The heat dissipation structure of a battery pack box according to claim 1, characterized in that: An extrusion fixing plate (4) is provided at the upper side of the box body connected to the positive electrode (2) and the box body connected to the negative electrode (3), and the extrusion fixing plate (4) is connected by plugging and screwing.

6. The heat dissipation structure of a battery pack box according to claim 1, characterized in that: An upper mounting connection plate (5) is provided at the upper side of the battery pack box (1), and the upper mounting connection plate (5) is mounted and connected to the battery pack box (1) by means of screws.

7. A battery pack box heat dissipation structure according to claim 6, characterized in that: A side heat dissipation fin (6) is provided at a side position of the battery pack box (1); the side heat dissipation fin (6) is a convex strip structure; the side heat dissipation fin (6) and the battery pack box (1) are an integrated structure.

8. The battery pack box heat dissipation structure according to claim 1, characterized in that: A mounting connecting piece (8) is provided at a bottom side of the battery pack box (1), and a threaded through hole is provided on the mounting connecting piece (8).

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