Thermal management device for automobile battery
By setting up protective frames, thermal plates and micro fans on the power battery pack, combined with the design of springs and support columns, the problem of heat dissipation of power batteries is solved, extending the service life of the battery pack and improving stability.
Patent Information
- Application Number
- CN202411280798.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2024-12-20
AI Technical Summary
The heat generated by the power battery during charging and discharging is difficult to effectively dissipate, resulting in an increase in the battery temperature, affecting the electrochemical performance, cycle life and safety, and lacking the battery pack protection structure and poor heat dissipation effect, affecting the service life.
A thermal management device for automobile batteries is designed, including a protective frame and thermal conduction plate on the main body of the power battery pack, and a micro-fan is used to improve the heat dissipation effect, combining springs and support columns to provide buffer protection to ensure the stability and heat dissipation effect of the battery pack. .
Effectively protect the power battery pack, improve its heat dissipation effect, extend its service life, and fix the overall structure through protective plates to enhance stability, avoiding the problems of traditional batteries lacking protective structure and poor heat dissipation effect.
Smart Images
Figure CN119170934A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of new energy electric vehicle power batteries, and in particular to an automotive battery thermal management device. Background Art
[0002] With the transformation of the global energy structure and the improvement of environmental protection awareness, electric vehicles have become an important development direction of the automotive industry. As the core component of electric vehicles, the performance and life of power batteries directly affect the performance and reliability of the entire vehicle. Among them, battery thermal management technology plays a vital role in ensuring efficient battery operation, extending battery life, and improving the overall performance of electric vehicles.
[0003] In the prior art, power batteries generate a large amount of chemical reaction heat and Joule heat during the charging and discharging process. If this heat cannot be effectively dissipated, the battery temperature will increase, thereby affecting the battery's electrochemical performance, cycle life and safety. Excessive temperature may cause the internal materials of the battery to age faster, reduce the effective capacity of the battery, and even cause thermal runaway, resulting in safety accidents.
[0004] Traditionally, when electric vehicle batteries are actually used, they lack a battery pack protection structure, and the heat dissipation effect of the battery pack is poor, which affects the service life of the battery pack. Therefore, the present invention proposes an automotive battery thermal management device to solve the above problems. Summary of the invention
[0005] The object of the present invention is to provide a thermal management device for an automobile battery to solve the problems raised in the above background technology.
[0006] To achieve the above object, the present invention provides the following technical solution: an automotive battery thermal management device, the automotive battery thermal management device comprising: a power battery pack body, the power battery pack body is arranged on a bottom plate, a guide rod and a side plate are arranged on the upper surface of the bottom plate, a support column is arranged on the lower surface of the bottom plate, a sliding column is arranged on the support column, a spring is sleeved on the support column, and a ball body is arranged on the side of the bottom plate; A mounting plate, a mounting cavity is provided on the surface of the mounting plate, a ball groove and a column hole are provided in the mounting cavity, a slide groove is provided next to the column hole, a micro fan is provided next to the mounting cavity, and a bottom column is provided at the bottom of the mounting plate; A protection frame, a guide hole is opened on the surface of the protection frame, a heat conduction plate is arranged on the side of the protection frame, a round hole is opened on the surface of the heat conduction plate, and a protection plate is installed on the protection frame.
[0007] Preferably, the base plate is located in the placement cavity, the base plate is in the shape of a square plate, four groups of guide rods are provided, and the four groups of guide rods are respectively located at the four ends of the upper surface of the base plate, the end faces of the guide rods are chamfered, four groups of guide holes are opened, and the four groups of guide holes are respectively located at the four ends of the surface of the protective frame, and the outer wall of the guide rod and the inner wall of the guide hole are slidably connected.
[0008] Preferably, there are several ball bodies, which are evenly distributed on the side of the bottom plate, and there are several ball grooves, which are evenly distributed on the side wall of the placement cavity. The ball grooves do not penetrate the side wall of the placement cavity, and the ball bodies can be embedded in the ball grooves and roll.
[0009] Preferably, the support columns are provided with four groups, and the four groups of support columns are respectively located directly below the four groups of guide rods, one end of the spring is fixedly connected to the bottom plate, and the other end of the spring is fixedly connected to the bottom wall of the placement cavity, the cross-section of the sliding column is semicircular, the spring is located on the outside of the sliding column, and the sliding column is provided with three groups, and the three groups of sliding columns are evenly distributed on the support columns.
[0010] Preferably, the column holes are provided with four groups, which are respectively located at the four ends of the placement cavity, the bottom columns are provided with four groups, which are respectively located below the four groups of column holes, the column holes pass through the bottom columns, and slide grooves are provided beside the column holes. The slide grooves are provided with three groups, which are evenly distributed beside the column holes, and the slide grooves do not pass through the bottom columns, the support columns and the column holes are slidably adapted, and the sliding columns and the slide grooves are slidably adapted.
[0011] Preferably, the side panels are provided in plurality, the plurality of side panels are evenly distributed on both sides of the bottom panel, a slot is provided at the upper end of the side panel, a solid plate is provided on the surface of the side panel, a through slot is provided on the surface of the side panel, the through slot is located in the solid plate, two groups of through slots are provided, the two groups of through slots are symmetrically distributed about the center of the solid plate, a plurality of rubber blocks are fixed on the inner wall of the solid plate, the rubber blocks are provided, the plurality of rubber blocks are evenly distributed on the inner wall of the solid plate, and the through slots are connected to the slots.
[0012] Preferably, a card block is provided in the through slot, an elastic strip block is provided on the surface of the card block, one side of the elastic strip block is fixedly connected to the card block, the other side of the elastic strip block is fixedly connected to the inner wall of the through slot, and both sides of the end face of the card block are chamfered.
[0013] Preferably, a turntable is rotatably arranged inside the solid plate, a locking groove is provided on the outer wall of the turntable, a plurality of locking grooves are provided, and the plurality of locking grooves are evenly distributed on the outer side of the turntable, the rubber block can be inserted into the locking groove, an inner groove is provided on the surface of the turntable, two groups of inner grooves are provided, the two groups of inner grooves are symmetrically distributed about the center of the turntable, the card block can extend from the inner groove, a protrusion is fixed at the center position of the surface of the turntable, and a straight groove is provided on the surface of the protrusion.
[0014] Preferably, the surface of the protective frame is provided with heat dissipation holes, which penetrate the protective frame. There are a plurality of heat dissipation holes, which are distributed in a matrix shape on the surface of the protective frame. A handle is fixed on the top of the protective frame. There are two groups of handles, which are respectively located on both sides of the upper surface of the protective frame. The protective frame and the heat conducting plate are both made of aluminum-copper alloy, and the inner wall of the protective frame is in contact with the outer wall of the power battery pack body.
[0015] Preferably, there are a plurality of heat conducting plates which are equidistantly distributed on the side of the protective frame, there are a plurality of circular holes which are distributed in a matrix shape on the surface of the heat conducting plates, the micro-fans are directly opposite to the heat conducting plates, three groups of protective plates are provided, the three groups of protective plates are evenly distributed on the surface of the power battery body, the protective plates are made of rubber, plug plates are fixed at both ends of the protective plates, the plug plates can be inserted into the slots, limiting grooves are provided on the surface of the plug plates, the card blocks can be inserted into the limiting grooves, and the lower ends of the horizontal sections of the protective plates are in contact with the upper ends of the power battery pack body.
[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes an automotive battery thermal management device, which can protect the power battery pack by arranging a protection frame on the power battery pack body, and on the other hand, a heat conduction plate is extended on the side of the protection frame, and a micro fan is arranged to improve the heat dissipation effect of the battery pack body and extend the service life of the battery pack body. At the same time, three groups of protection plates are arranged to fix the power battery pack body and the protection frame as a whole, thereby improving the stability of the power battery pack body. In this way, the problem that the traditional electric vehicle battery lacks a battery pack protection structure during actual use and the heat dissipation effect of the battery pack is poor, which affects the service life of the battery pack, is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a side view of the structure of the present invention; Figure 3 This is a schematic diagram of the bottom column structure of the present invention; Figure 4 This is a schematic diagram of the structure of the mounting plate of the present invention; Figure 5 This is a schematic diagram of the placement cavity structure of the present invention; Figure 6 This is a schematic diagram of the bottom plate structure of the present invention; Figure 7 It is a schematic diagram of the support column structure of the present invention; Figure 8 It is a schematic diagram of the side plate structure of the present invention; Fig. 9 This is a schematic diagram of the solid disk structure of the present invention; Fig.10It is a schematic diagram of the structure of the turntable of the present invention; Fig.11 This is a schematic diagram of the card block structure of the present invention; Fig.12 This is a schematic diagram of the protective frame structure of the present invention; Fig.13 It is a schematic diagram of the structure of the protective plate of the present invention.
[0018] In the figure: 1. power battery pack body; 2. protective plate; 3. guide rod; 4. mounting plate; 5. protective frame; 6. micro fan; 7. heat conducting plate; 8. round hole; 9. bottom plate; 10. side plate; 11. heat dissipation hole; 12. handle; 13. bottom column; 14. inner cavity; 15. side groove; 16. placement cavity; 17. support column; 18. spring; 19. ball groove; 20. slide groove; 21. column hole; 22. ball body; 23. slot; 24. slide column; 25. fixed plate; 26. locking groove; 27. rubber block; 28. bump; 29. straight groove; 30. turntable; 31. inner groove; 32. block; 33. through groove; 34. limit groove; 35. elastic strip; 36. guide hole; 37. plug-in plate. DETAILED DESCRIPTION
[0019] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit 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.
[0020] Example 1: Please refer to Figures 1 to 13 The present invention provides a technical solution: a thermal management device for an automobile battery, the thermal management device for an automobile battery comprising: a power battery pack body 1, the power battery pack body 1 is arranged on a bottom plate 9, a guide rod 3 and a side plate 10 are arranged on the upper surface of the bottom plate 9, a support column 17 is arranged on the lower surface of the bottom plate 9, a slide column 24 is arranged on the support column 17, a spring 18 is sleeved on the support column 17, a ball body 22 is arranged on the side of the bottom plate 9, a placement cavity 16 is opened on the surface of the mounting plate 4, a ball groove 19 and a column hole 21 are opened in the placement cavity 16, a slide groove 20 is opened next to the column hole 21, a micro fan 6 is arranged next to the placement cavity 16, a bottom column 13 is arranged at the bottom of the mounting plate 4, a guide hole 36 is opened on the surface of the protective frame 5, a heat conducting plate 7 is arranged on the side of the protective frame 5, a round hole 8 is opened on the surface of the heat conducting plate 7, and a protective plate 2 is installed on the protective frame 5; When in use, by arranging a protection frame 5 on the power battery pack body 1, on the one hand, the power battery pack can be protected, and on the other hand, a heat conducting plate 7 is extended on the side of the protection frame 5, and by arranging a micro fan 6, the heat dissipation effect of the battery pack body is improved, and the service life of the battery pack body is extended. At the same time, three groups of protection plates 2 are arranged to fix the power battery pack body 1 and the protection frame 5 as a whole, and the stability of the power battery pack body 1 is improved. The power battery pack body 1 is arranged on a bottom plate 9, and a spring 18 and a support column 17 are arranged at the bottom of the bottom plate 9. The bottom column 13 is arranged together to provide buffer protection to prevent external force from causing damage to the power battery pack body 1.
[0021] Embodiment 2: On the basis of embodiment 1, the bottom plate 9 is located in the placement cavity 16, the bottom plate 9 is in the shape of a square plate, four groups of guide rods 3 are provided, and the four groups of guide rods 3 are respectively located at the four ends of the upper surface of the bottom plate 9, the end surface of the guide rod 3 is chamfered, four groups of guide holes 36 are provided, and the four groups of guide holes 36 are respectively located at the four ends of the surface of the protective frame 5, the outer wall of the guide rod 3 and the inner wall of the guide hole 36 are slidably connected, a plurality of ball bodies 22 are provided, and the plurality of ball bodies 22 are evenly distributed on the side of the bottom plate 9, a plurality of ball grooves 19 are provided, and the plurality of ball grooves 19 are evenly distributed on the side wall of the placement cavity 16, the ball grooves 19 do not penetrate the side wall of the placement cavity 16, the ball bodies 22 can be embedded in the ball grooves 19 and roll, and four groups of support columns 17 are provided, and the four groups of support columns 17 They are respectively located directly below the four groups of guide rods 3, one end of the spring 18 is fixedly connected to the bottom plate 9, and the other end of the spring 18 is fixedly connected to the bottom wall of the placement cavity 16. The cross-section of the sliding column 24 is semicircular, and the spring 18 is located on the outside of the sliding column 24. There are three groups of sliding columns 24, and the three groups of sliding columns 24 are evenly distributed on the support column 17. There are four groups of column holes 21, and the four groups of column holes 21 are respectively located at the four ends of the placement cavity 16. There are four groups of bottom columns 13, and the four groups of bottom columns 13 are respectively located below the four groups of column holes 21. The column hole 21 passes through the bottom column 13, and a slide groove 20 is opened next to the column hole 21. There are three groups of slide grooves 20, and the three groups of slide grooves 20 are evenly distributed next to the column hole 21. The slide groove 20 does not pass through the bottom column 13, the support column 17 and the column hole 21 are slidingly adapted, and the sliding column 24 and the slide groove 20 are slidingly adapted; When in use, the power battery pack body 1 needs to be placed on the bottom plate 9 first, and then the handle 12 is pulled to facilitate the movement of the protection frame 5, so that the protection frame 5 moves to the top of the power battery pack body 1, and the guide rod 3 is inserted into the guide hole 36 accordingly. The end surface of the guide rod 3 is chamfered to improve the smoothness of the connection. When the protection frame 5 contacts the bottom plate 9, the protection frame 5 will be arranged around the power battery pack body 1 to protect the power battery pack body 1. When the power battery pack is vibrated by external force, the bottom plate 9 will be driven upward. The spring 18 will be compressed and store elastic potential energy. At the same time, the support column 17 will slide in the column hole 21 and the ball body 22 will roll in the ball groove 19, providing guidance and support for the movement of the bottom plate 9. The three groups of slide columns 24 will be embedded in the slide groove 20 and slide, which can prevent the support column 17 from rotating and deflecting, and improve the stability of the bottom plate 9. Therefore, the spring 18 can stably absorb the impact. At the same time, the protective frame 5 and the power battery pack body 1 can be installed as a whole on the bottom plate 9 by using the protective plate 2.
[0022] Embodiment 3: On the basis of embodiment 2, a plurality of side panels 10 are provided, and the plurality of side panels 10 are evenly distributed on both sides of the bottom plate 9. A slot 23 is provided at the upper end of the side panel 10. A solid plate 25 is provided on the surface of the side panel 10. A through slot 33 is provided on the surface of the side panel 10. The through slot 33 is located in the solid plate 25. Two groups of through slots 33 are provided. The two groups of through slots 33 are symmetrically distributed about the center of the solid plate 25. A rubber block 27 is fixed on the inner wall of the solid plate 25. A plurality of rubber blocks 27 are provided. The plurality of rubber blocks 27 are evenly distributed on the inner wall of the solid plate 25. The through slot 33 is connected to the slot 23. A card block 32 is provided in the through slot 33. An elastic strip block 35 is provided on the surface of the card block 32. One of the elastic strip blocks 35 The other side of the elastic strip 35 is fixedly connected to the block 32, and the other side of the elastic strip 35 is fixedly connected to the inner wall of the through groove 33. Both sides of the end surface of the block 32 are chamfered. A rotating disk 30 is rotatably arranged in the fixed disk 25. A locking groove 26 is provided on the outer wall of the rotating disk 30. There are a plurality of locking grooves 26, and the plurality of locking grooves 26 are evenly distributed on the outer side of the rotating disk 30. The rubber block 27 can be inserted into the locking groove 26. An inner groove 31 is provided on the surface of the rotating disk 30. There are two groups of inner grooves 31, and the two groups of inner grooves 31 are symmetrically distributed about the center of the rotating disk 30. The block 32 can extend from the inner groove 31. A protrusion 28 is fixed at the center of the surface of the rotating disk 30, and a straight groove 29 is provided on the surface of the protrusion 28. When in use, after the setting of the protection frame 5 is completed, the protection plate 2 needs to be installed. The operation is as follows: the protection plate 2 needs to be placed on the power battery pack body 1, and the plug plates 37 on both sides are pulled respectively, and the plug plates 37 are inserted into the corresponding slots 23. At this time, the block 32 is located in the inner groove 31 and extends out, and the elastic strip 35 is not stressed. Then, a flat-head screwdriver is used to embed the screwdriver port into the flat-head groove 29 and rotate it. Since the port of the block 32 is chamfered, the turntable 30 will contact the block 32 and press it, so that the block 32 moves, and the block 32 will be inserted into the limit hole, thereby achieving the protection. The protective plate 2 is limited and fixed, and its elastic strip 35 will be deformed and stretched at this time. By rotating the turntable 30, the rubber block 27 is correspondingly embedded in the locking groove 26, thereby forming a resistance to prevent the turntable 30 from automatically rotating under the influence of the outside world, thereby improving the stability of the limiting effect. When the protective plate 2 needs to be removed, the turntable 30 is driven to rotate by embedding the screwdriver port into the slot 29 and rotating it, so that the inner groove 31 on the turntable 30 moves to the block 32. Under the rebound action of the elastic strip 35, the block 32 will automatically extend from the inner groove, thereby releasing the limit and facilitating the removal of the protective plate 2.
[0023] Embodiment 4: On the basis of Embodiment 3, a heat dissipation hole 11 is opened on the surface of the protective frame 5, and the heat dissipation hole 11 penetrates the protective frame 5. There are a plurality of heat dissipation holes 11, and the plurality of heat dissipation holes 11 are distributed in a matrix shape on the surface of the protective frame 5. A handle 12 is fixed on the top of the protective frame 5. The handle 12 is provided with two groups, and the two groups of handles 12 are respectively located on both sides of the upper surface of the protective frame 5. The protective frame 5 and the heat conducting plate 7 are both made of aluminum-copper alloy, and the inner wall of the protective frame 5 is in contact with the outer wall of the power battery pack body 1; There are several heat conducting plates 7, which are evenly distributed on the side of the protection frame 5. There are several circular holes 8, which are distributed in a matrix shape on the surface of the heat conducting plate 7. The micro fan 6 is directly opposite to the heat conducting plate 7. There are three groups of protective plates 2, which are evenly distributed on the surface of the power battery body. The protective plate 2 is a rubber product. Both ends of the protective plate 2 are fixed with plug-in plates 37, which can be inserted into the slot 23. The surface of the plug-in plate 37 is provided with a limiting groove 34, and the block 32 can be inserted into the limiting groove 34. The lower end of the horizontal section of the protective plate 2 is in contact with the upper end of the power battery pack body 1. During use, after the overall installation is completed, the inner wall of the protective frame 5 is in contact with the outer wall of the power battery pack body 1, and the protective frame 5 and the heat conducting plate 7 are both made of aluminum-copper alloy, which can effectively transfer heat. After the heat is transferred to the heat conducting plate 7, the heat conducting plate 7 is effectively dissipated by starting the micro-blower 6. At the same time, rectangularly distributed circular holes 8 are opened to improve the efficiency of air circulation and increase the contact area between the air and the heat conducting plate 7, thereby further improving the heat dissipation effect. The lower ends of the horizontal sections of the protective plates 2 are in contact with the upper ends of the power battery pack body 1, which can effectively limit the position of the power battery pack body 1 and improve the stability of the power battery pack body 1.
[0024] Working principle: In actual use, by setting a protective frame 5 on the power battery pack body 1, on the one hand, the power battery pack can be protected, and on the other hand, a heat conducting plate 7 is extended on the side of the protective frame 5, and by setting a micro fan 6, the heat dissipation effect of the battery pack body is improved, and the service life of the battery pack body is extended. At the same time, three groups of protective plates 2 are provided to fix the power battery pack body 1 and the protective frame 5 as a whole, so as to improve the stability of the power battery pack body 1, and the power battery pack body 1 is arranged on the bottom plate 9, and the bottom of the bottom plate 9 is provided with a spring 18 and a support column 17, which cooperates with the bottom column 13 to provide buffer protection to prevent external force from causing damage to the power battery pack body 1. This avoids the problem that the traditional electric vehicle battery lacks a battery pack protection structure during actual use, and the heat dissipation effect of the battery pack is poor, which affects the service life of the battery pack.
[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. A thermal management device for an automobile battery, characterized in that: The automotive battery thermal management device comprises: a power battery pack body (1), the power battery pack body (1) being arranged on a bottom plate (9), a guide rod (3) and a side plate (10) being arranged on the upper surface of the bottom plate (9), a support column (17) being arranged on the lower surface of the bottom plate (9), a sliding column (24) being arranged on the support column (17), a spring (18) being sleeved on the support column (17), and a ball body (22) being arranged on the side surface of the bottom plate (9); A mounting plate (4), wherein a placement cavity (16) is provided on the surface of the mounting plate (4), a ball groove (19) and a column hole (21) are provided in the placement cavity (16), a slide groove (20) is provided next to the column hole (21), a micro fan (6) is provided next to the placement cavity (16), and a bottom column (13) is provided at the bottom of the mounting plate (4); A protection frame (5) is provided with a guide hole (36) on the surface of the protection frame (5), a heat conducting plate (7) is arranged on the side of the protection frame (5), a circular hole (8) is provided on the surface of the heat conducting plate (7), and a protection plate (2) is installed on the protection frame (5).
2. The automotive battery thermal management device according to claim 1, characterized in that: The bottom plate (9) is located in the placement cavity (16), the bottom plate (9) is in the shape of a square plate, four groups of guide rods (3) are provided, the four groups of guide rods (3) are respectively located at the four ends of the upper surface of the bottom plate (9), the end surfaces of the guide rods (3) are chamfered, four groups of guide holes (36) are provided, the four groups of guide holes (36) are respectively located at the four ends of the surface of the protection frame (5), and the outer wall of the guide rod (3) and the inner wall of the guide hole (36) are slidably connected.
3. The automotive battery thermal management device according to claim 1, characterized in that: A plurality of ball bodies (22) are provided, and the plurality of ball bodies (22) are evenly distributed on the side of the bottom plate (9). A plurality of ball grooves (19) are provided, and the plurality of ball grooves (19) are evenly distributed on the side wall of the placement cavity (16). The ball grooves (19) do not penetrate the side wall of the placement cavity (16), and the ball bodies (22) can be embedded in the ball grooves (19) and roll.
4. The automotive battery thermal management device according to claim 1, characterized in that: The support column (17) is provided with four groups, and the four groups of support columns (17) are respectively located directly below the four groups of guide rods (3). One end of the spring (18) is fixedly connected to the bottom plate (9), and the other end of the spring (18) is fixedly connected to the bottom wall of the placement cavity (16). The cross section of the sliding column (24) is semicircular, and the spring (18) is located on the outside of the sliding column (24). The sliding column (24) is provided with three groups, and the three groups of sliding columns (24) are evenly distributed on the support column (17).
5. The automotive battery thermal management device according to claim 1, characterized in that: The column holes (21) are provided with four groups, and the four groups of column holes (21) are respectively located at the four ends of the placement cavity (16); the bottom column (13) is provided with four groups, and the four groups of bottom columns (13) are respectively located below the four groups of column holes (21); the column holes (21) penetrate the bottom column (13); a slide groove (20) is provided beside the column holes (21); the slide groove (20) is provided with three groups, and the three groups of slide grooves (20) are evenly distributed beside the column holes (21); the slide groove (20) does not penetrate the bottom column (13); the support column (17) and the column hole (21) are slidably adapted; the slide column (24) and the slide groove (20) are slidably adapted.
6. The automotive battery thermal management device according to claim 1, characterized in that: The side panels (10) are provided in plurality, and the plurality of side panels (10) are evenly distributed on both sides of the bottom plate (9). A slot (23) is provided at the upper end of the side panel (10). A fixed plate (25) is provided on the surface of the side panel (10). A through slot (33) is provided on the surface of the side panel (10). The through slot (33) is located in the fixed plate (25). Two groups of through slots (33) are provided. The two groups of through slots (33) are symmetrically distributed about the center of the fixed plate (25). A rubber block (27) is fixed on the inner wall of the fixed plate (25). The rubber blocks (27) are provided in plurality, and the plurality of rubber blocks (27) are evenly distributed on the inner wall of the fixed plate (25). The through slot (33) and the slot (23) are communicated.
7. The automotive battery thermal management device according to claim 6, characterized in that: A clamping block (32) is arranged in the through groove (33), and an elastic strip block (35) is arranged on the surface of the clamping block (32). One side of the elastic strip block (35) is fixedly connected to the clamping block (32), and the other side of the elastic strip block (35) is fixedly connected to the inner wall of the through groove (33). Both sides of the end surface of the clamping block (32) are chamfered.
8. The automotive battery thermal management device according to claim 6, characterized in that: A rotating disk (30) is rotatably arranged inside the fixed disk (25), a locking groove (26) is provided on the outer wall of the rotating disk (30), a plurality of locking grooves (26) are provided, and the plurality of locking grooves (26) are evenly distributed on the outer side of the rotating disk (30), a rubber block (27) can be inserted into the locking groove (26), an inner groove (31) is provided on the surface of the rotating disk (30), two groups of inner grooves (31) are provided, and the two groups of inner grooves (31) are symmetrically distributed about the center of the rotating disk (30), a clamping block (32) can extend from the inner groove (31), a protrusion (28) is fixed at the center position of the surface of the rotating disk (30), and a straight groove (29) is provided on the surface of the protrusion (28).
9. The automotive battery thermal management device according to claim 1, characterized in that: The surface of the protection frame (5) is provided with heat dissipation holes (11), the heat dissipation holes (11) penetrate the protection frame (5), a plurality of heat dissipation holes (11) are provided, and the plurality of heat dissipation holes (11) are distributed in a matrix shape on the surface of the protection frame (5), a handle (12) is fixed above the protection frame (5), two groups of handles (12) are provided, and the two groups of handles (12) are respectively located on both sides of the upper surface of the protection frame (5), the protection frame (5) and the heat conducting plate (7) are both made of aluminum-copper alloy, and the inner wall of the protection frame (5) is in contact with the outer wall of the power battery pack body (1).
10. The automotive battery thermal management device according to claim 1, characterized in that: The heat conducting plates (7) are provided in a plurality and are evenly distributed on the side of the protection frame (5). The circular holes (8) are provided in a plurality and are distributed in a matrix shape on the surface of the heat conducting plates (7). The micro fan (6) is directly opposite to the heat conducting plates (7). The protection plates (2) are provided in three groups and are evenly distributed on the surface of the power battery body. The protection plates (2) are made of rubber. Insertion plates (37) are fixed at both ends of the protection plates (2). The insertion plates (37) can be inserted into the slots (23). A limiting groove (34) is provided on the surface of the insertion plates (37). The clamping block (32) can be inserted into the limiting groove (34). The lower ends of the horizontal sections of the protection plates (2) are in contact with the upper ends of the power battery pack body (1).