Battery module capable of dissipating heat

Abstract

The invention provides a battery module capable of dissipating heat, which belongs to the technical field of battery module devices and comprises a box body, a box cover, a handle, a telescopic pressing rod structure, a liquid flowing mechanism, a fixing mechanism and a lifting mechanism. The box cover is arranged at the top of the box body, the handle is arranged at the top of the box cover, the telescopic pressing rod structure, the liquid flowing mechanism, the fixing mechanism and the lifting mechanism are all arranged in the box body, the telescopic pressing rod structure is arranged on the upper portion of the box body, and the liquid flowing mechanism is arranged on the lower portion of the telescopic pressing rod structure. The fixing mechanism is arranged on the lower portion of the liquid flowing mechanism, and the lifting mechanism is arranged on the lower portion of the fixing mechanism. According to the invention, heat generated during battery operation can be transmitted out.

Description

Technical Field

[0001] The present invention relates to the technical field of battery module devices, and in particular to a battery module capable of dissipating heat. Background Art

[0002] A battery module is a unit composed of multiple battery cells (such as common lithium battery cells) connected in series, parallel or series-parallel. It is an intermediate level between battery cells and battery systems. The battery module has an outer shell that protects the internal battery cells, and there are also some connecting parts to ensure good electrical connection between batteries, which can output stable voltage and current. It is mainly used to power various devices, such as electric vehicles, energy storage systems, etc.

[0003] With the widespread use of electronic devices, battery performance and safety have received increasing attention. During the operation of the battery, a large amount of heat will be generated. If the heat cannot be dissipated in a timely and effective manner, the battery temperature will be too high, affecting the battery's performance and life, and even causing safety accidents. Summary of the invention

[0004] The object of the present invention is to provide a heat dissipating battery module which can transfer away the heat generated during battery operation.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A heat dissipating battery module is characterized by comprising a box body, a box cover, a handle, a telescopic pressure rod structure, a liquid flow mechanism, a fixing mechanism and a lifting mechanism.

[0007] The box cover is arranged on the top of the box body, the handle is arranged on the top of the box cover, the telescopic pressure rod structure, the liquid flow mechanism, the fixing mechanism and the lifting mechanism are all arranged inside the box body, the telescopic pressure rod structure is arranged on the upper part of the box body, the liquid flow mechanism is arranged on the lower part of the telescopic pressure rod structure, the fixing mechanism is arranged on the lower part of the liquid flow mechanism, and the lifting mechanism is arranged on the lower part of the fixing mechanism.

[0008] A metal heat-conducting water tank and a protection box are fixedly mounted on the outer wall of the box body, a water pump is fixedly mounted inside the protection box, a first auxiliary pipe is mounted on one end of the water pump, a terminal end of the first auxiliary pipe is placed inside the metal heat-conducting water tank, a second auxiliary pipe is mounted on the other end of the water pump, the second auxiliary pipe is connected to one end of a liquid flow mechanism, the other end of the liquid flow mechanism is placed inside the metal heat-conducting water tank, and heat-dissipating fins are fixedly mounted on the outer wall of the metal heat-conducting water tank.

[0009] Further, the liquid flow mechanism includes a U-shaped liquid flow cavity, a first liquid flow channel, a metal heat conduction cross plate, a second liquid flow channel, a metal heat conduction vertical plate, a fixing plate, a liquid inlet pipe, and a liquid outlet pipe.

[0010] The fixing plate is fixedly installed inside the box body. The metal heat conduction cross plate is arranged on top of the fixing plate. A number of metal heat conduction vertical plates are evenly distributed on the top of the metal heat conduction cross plate. Each two metal heat conduction vertical plates and the metal heat conduction cross plate form a battery placement area, and a battery is placed in the battery placement area.

[0011] A U-shaped liquid flow cavity is opened inside the number of metal heat conduction vertical plates. A first liquid flow channel is communicated between adjacent U-shaped liquid flow cavities. A liquid outlet pipe is communicated with the leftmost first liquid flow channel. The end of the liquid outlet pipe is placed inside the metal heat conduction water tank. A second liquid flow channel is opened inside the metal heat conduction cross plate. The rightmost first liquid flow channel is communicated with the second liquid flow channel. A liquid inlet pipe is communicated with the second liquid flow channel, and the liquid inlet pipe is communicated with the second auxiliary pipe.

[0012] Further, a first slide bar is arranged on the left side inside the box body, and a second slide bar is arranged on the right side inside the box body. The bottoms of the first slide bar and the second slide bar are fixedly connected with a bottom plate. The upper right part of the first slide bar is provided with first teeth, and the upper left part of the second slide bar is provided with second teeth.

[0013] Further, the telescopic pressure rod structure includes a number of sleeve plates, a number of locking nuts, a number of threaded rods, a first gear, a first rotating column, a second gear, and a second rotating column.

[0014] The first rotating column is rotationally connected in a limited way on the left side inside the box body, and the second rotating column is rotationally connected in a limited way on the right side inside the box body. A first gear is fixedly connected to the outer wall of the first rotating column, and a second gear is fixedly connected to the outer wall of the second rotating column. The first gear and the second gear are arranged between the first slide bar and the second slide bar. The first gear meshes with the first teeth, and the second gear meshes with the second teeth.

[0015] A number of threaded rods are arranged between the first rotating column and the second rotating column. The leftmost threaded rod is fixedly connected to the first rotating column, and the rightmost threaded rod is fixedly connected to the second rotating column. A sleeve plate is arranged between each adjacent threaded rod. Each sleeve plate is sleeved on the outer wall of the threaded rod. Locking nuts are threadedly connected to the outer walls of the number of threaded rods.

[0016] Furthermore, a third auxiliary plate is fixedly connected to the lower portion of the first slide bar, a fourth auxiliary plate is fixedly connected to the lower portion of the second slide bar, the third auxiliary plate is slidably connected in a third limit slide groove opened on the left inner wall of the box body by upper and lower limit positions, and the second slide bar is slidably connected in a fourth limit slide groove opened on the right inner wall of the box body by upper and lower limit positions.

[0017] Furthermore, the connecting mechanism includes a connecting plate, two auxiliary sliding grooves, two sliding sleeves, two elastic members and two limiting sliding plates.

[0018] The two auxiliary slide grooves are arranged on a fixed plate, and two sliding sleeves are fixedly connected to the bottom of the metal heat-conducting cross plate. The two sliding sleeves are respectively limited and slidably connected inside the two auxiliary slide grooves, and two limit sliding plates are connected to the upper and lower limit sliding inside the two sliding sleeves. Two elastic members are respectively fixedly connected between the two limit sliding plates and the inner tops of the two sliding sleeves, and the bottoms of the two limit sliding plates are commonly fixedly connected to a connecting plate.

[0019] Furthermore, the lifting mechanism includes a first rack, a first rack auxiliary plate, a first limiting slide groove, a third rack, a first limiting slide rail, a second limiting slide rail, a second rack, a second rack auxiliary plate, a second limiting slide groove, a third gear and a third rotating column.

[0020] The inner wall of the box is limitedly rotatably connected to a third rotating column, the outer wall of the third rotating column is fixedly connected to a third gear, the first rack and the second rack are respectively placed on both sides of the third gear, and the first rack and the second rack are both meshed with the third gear.

[0021] The first rack is fixedly connected to the bottom of the connecting plate, a first rack auxiliary plate is fixedly connected to one side of the first rack, and the first rack auxiliary plate is slidably connected to a first limiting slide groove opened in the box body in an upper and lower limit position, the outer wall of the second rack is fixedly connected to the bottom plate, and a second rack auxiliary plate is fixedly connected to one side of the second rack, and the second rack auxiliary plate is slidably connected to a second limiting slide groove opened in the box body in an upper and lower limit position.

[0022] The inner wall of the box is fixedly connected with a first limiting slide rail and a second limiting slide rail, and the first limiting slide rail and the second limiting slide rail are jointly connected with a third rack for left and right limiting sliding. The third rack is connected to the telescopic end of the hydraulic cylinder fixedly installed in the box, and the third rack is meshed with the third gear.

[0023] Furthermore, a controller is fixedly mounted on the outer wall of the box body, and the controller is electrically connected to the water pump and the hydraulic cylinder.

[0024] Advantages of the present invention:

[0025] 1. The present invention can dissipate heat stably and safely for multiple battery packs.

[0026] 2. The present invention can lift multiple battery packs, facilitating disassembly.

[0027] 3. The present invention can press the tops of multiple battery packs to prevent the batteries from loosening.

[0028] 4. The multiple battery packs of the present invention are separately installed, which can avoid problems with all battery packs caused by a fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is an axonometric structural schematic diagram of the present invention;

[0030] Figure 2 is a sectional structural schematic diagram of the present invention;

[0031] Figure 3 is a schematic diagram of the telescopic pressure rod structure in the present invention;

[0032] Figure 4 is a schematic diagram of the liquid flow mechanism in the present invention;

[0033] Figure 5 is a schematic diagram of the connection mechanism in the present invention;

[0034] Figure 6 is a schematic diagram of the lifting mechanism in the present invention;

[0035] Figure 7 is a schematic diagram of the internal structures of the metal heat-conducting water tank and the protection box in the present invention;

[0036] In the figure: 1. Box body,

[0037] 2. Box cover,

[0038] 3. Handle,

[0039] 4. Telescopic pressure rod structure; 4-1. Sleeve plate, 4-2. Locking nut, 4-3. Threaded rod, 4-4. First gear, 4-5. First rotating column, 4-6. Second gear, 4-7. Second rotating column,

[0040] 5. Liquid flow mechanism, 5-1. C-shaped liquid flow cavity, 5-2. First liquid flow channel, 5-3. Metal heat-conducting cross plate, 5-4. Second liquid flow channel, 5-5. Metal heat-conducting vertical plate, 5-6. Fixed plate, 5-7. Liquid inlet pipe, 5-8. Liquid outlet pipe,

[0041] 6. Connection mechanism, 6-1. Connection plate, 6-2. Auxiliary sliding groove, 6-3. Sliding sleeve, 6-4. Elastic member, 6-5. Limit sliding plate,

[0042] 7. Lifting mechanism, 7-1. First rack, 7-2. First rack auxiliary plate, 7-3. First limiting slide groove, 7-4. Third rack, 7-5. First limiting slide rail, 7-6. Second limiting slide rail, 7-7. Second rack, 7-8. Second rack auxiliary plate, 7-9. Second limiting slide groove, 7-10. Third gear, 7-11. Third rotating column,

[0043] 8. Metal heat conduction water tank,

[0044] 9. Protective box,

[0045] 10. Water pump,

[0046] 11. The first auxiliary pipeline,

[0047] 12. Second auxiliary pipeline,

[0048] 13. Heat sink fins,

[0049] 14. The first slider,

[0050] 15. The third auxiliary board,

[0051] 16. The third limiting chute,

[0052] 17. The second slider,

[0053] 18. The fourth auxiliary board,

[0054] 19. The fourth limit chute,

[0055] 20. Bottom plate,

[0056] 21. First tooth,

[0057] 22. Second tooth,

[0058] 23. Controller,

[0059] 24. Hydraulic cylinder. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention.

[0061] like Figure 1 and Figure 2 As shown in Figure 1 and Figure 2 , a heat-dissipating battery module includes a box body 1, a box cover 2, a handle 3, a telescopic pressure rod structure 4, a liquid flow mechanism 5, a fixing mechanism 6, and a lifting mechanism 7.

[0062] The box cover 2 is arranged on the top of the box body 1, the handle 3 is arranged on the top of the box cover 2, the telescopic pressure rod structure 4, the liquid flow mechanism 5, the fixing mechanism 6, and the lifting mechanism 7 are all arranged inside the box body 1. The telescopic pressure rod structure 4 is arranged in the upper part of the box body 1, the liquid flow mechanism 5 is arranged below the telescopic pressure rod structure 4, the fixing mechanism 6 is arranged below the liquid flow mechanism 5, and the lifting mechanism 7 is arranged below the fixing mechanism 6.

[0063] As Figure 2 and Figure 7 shown in Figure 2 and Figure 7 , a metal heat-conducting water tank 8 and a protection box 9 are fixedly installed on the outer wall of the box body 1. A water pump 10 is fixedly installed inside the protection box 9. One end of the water pump 10 is installed with a first auxiliary pipeline 11, and the end of the first auxiliary pipeline 11 is placed inside the metal heat-conducting water tank 8. The other end of the water pump 10 is installed with a second auxiliary pipeline 12, and the second auxiliary pipeline 12 is connected to one end of the liquid flow mechanism 5. The other end of the liquid flow mechanism 5 is placed inside the metal heat-conducting water tank 8. Heat-dissipating fins 13 are fixedly installed on the outer wall of the metal heat-conducting water tank 8.

[0064] As a preferred embodiment of the present invention, as Figure 2 and Figure 4 shown in Figure 2 and Figure 4 , the liquid flow mechanism 5 includes a U-shaped liquid flow cavity 5-1, a first liquid flow channel 5-2, a metal heat-conducting horizontal plate 5-3, a second liquid flow channel 5-4, a metal heat-conducting vertical plate 5-5, a fixing plate 5-6, an inlet pipe 5-7, and an outlet pipe 5-8.

[0065] The fixing plate 5-6 is fixedly installed inside the box body 1. The metal heat-conducting horizontal plate 5-3 is arranged on the top of the fixing plate 5-6. A plurality of metal heat-conducting vertical plates 5-5 are evenly distributed on the top of the metal heat-conducting horizontal plate 5-3. Each two metal heat-conducting vertical plates 5-5 and the metal heat-conducting horizontal plate 5-3 form a battery placement area, and a battery is placed in the battery placement area.

[0066] A plurality of metal heat-conducting vertical plates 5-5 are internally provided with U-shaped liquid flow cavities 5-1. A first liquid flow channel 5-2 is communicated between adjacent U-shaped liquid flow cavities 5-1. A liquid outlet pipe 5-8 is communicated with the leftmost first liquid flow channel 5-2. The end of the liquid outlet pipe 5-8 is placed inside a metal heat-conducting water tank 8. A second liquid flow channel 5-4 is internally provided in the metal heat-conducting horizontal plate 5-3. The rightmost first liquid flow channel 5-2 is communicated with the second liquid flow channel 5-4. A liquid inlet pipe 5-7 is communicated with the second liquid flow channel 5-4. The liquid inlet pipe 5-7 is communicated with a second auxiliary pipe 12.

[0067] The U-shaped liquid flow cavities 5-1, the first liquid flow channels 5-2, the second liquid flow channels 5-4, the liquid inlet pipe 5-7 and the liquid outlet pipe 5-8 enable the liquid to fully exchange heat with the metal heat-conducting horizontal plate 5-3 and the metal heat-conducting vertical plates 5-5.

[0068] As a preferred embodiment of the present invention, as Figure 2 shown, a first slide bar 14 is arranged on the left side inside the box body 1, and a second slide bar 17 is arranged on the right side inside the box body 1. The bottom of the first slide bar 14 and the second slide bar 17 is fixedly connected with a bottom plate 20. The upper right part of the first slide bar 14 is provided with first teeth 21, and the upper left part of the second slide bar 17 is provided with second teeth 22.

[0069] As a preferred embodiment of the present invention, as Figure 2 and Figure 3 shown, the telescopic pressure rod structure 4 includes a plurality of sleeve plates 4-1, a plurality of locking nuts 4-2, a plurality of threaded rods 4-3, a first gear 4-4, a first rotating column 4-5, a second gear 4-6, and a second rotating column 4-7.

[0070] The first rotating column 4-5 is rotationally connected to the left side inside the box body 1 in a limited manner, and the second rotating column 4-7 is rotationally connected to the right side inside the box body 1 in a limited manner. The outer wall of the first rotating column 4-5 is fixedly connected with the first gear 4-4, and the outer wall of the second rotating column 4-7 is fixedly connected with the second gear 4-6. The first gear 4-4 and the second gear 4-6 are arranged between the first slide bar 14 and the second slide bar 17. The first gear 4-4 meshes with the first teeth 21, and the second gear 4-6 meshes with the second teeth 22.

[0071] A plurality of threaded rods 4-3 are arranged between the first rotating column 4-5 and the second rotating column 4-7, the leftmost threaded rod 4-3 is fixedly connected to the first rotating column 4-5, the rightmost threaded rod 4-3 is fixedly connected to the second rotating column 4-7, a sleeve plate 4-1 is arranged between each adjacent threaded rod 4-3, each sleeve plate 4-1 is sleeved on the outer wall of the threaded rod 4-3, and the outer walls of the plurality of threaded rods 4-3 are threadedly connected with locking nuts 4-2.

[0072] The plurality of threaded rods 4 - 3 between the first rotating column 4 - 5 and the second rotating column 4 - 7 are not arranged on the same longitudinal plane, and are used to compress the batteries placed in the plurality of battery placement areas together.

[0073] As a preferred embodiment of the present invention, a third auxiliary plate 15 is fixedly connected to the lower portion of the first slide bar 14, a fourth auxiliary plate 18 is fixedly connected to the lower portion of the second slide bar 17, the third auxiliary plate 15 is slidably connected to the third limit slide groove 16 opened on the left inner wall of the box body 1 with upper and lower limit positions, and the second slide bar 17 is slidably connected to the fourth limit slide groove 19 opened on the right inner wall of the box body 1 with upper and lower limit positions.

[0074] As a preferred embodiment of the present invention, Figure 4 and Figure 5 As shown, the connection mechanism 6 includes a connection plate 6-1, two auxiliary sliding grooves 6-2, two sliding sleeves 6-3, two elastic members 6-4 and two limiting sliding plates 6-5.

[0075] The two auxiliary slide grooves 6-2 are arranged on the fixed plate 5-6, and the bottom of the metal heat-conducting cross plate 5-3 is fixedly connected with two sliding sleeves 6-3, and the two sliding sleeves 6-3 are respectively limitedly slidably connected inside the two auxiliary slide grooves 6-2, and the two sliding sleeves 6-3 are internally limitedly slidably connected with two limiting sliding plates 6-5, and two elastic members 6-4 are respectively fixedly connected between the two limiting sliding plates 6-5 and the inner tops of the two sliding sleeves 6-3, and the bottoms of the two limiting sliding plates 6-5 are commonly fixedly connected with a connecting plate 6-1.

[0076] As a preferred embodiment of the present invention, Figure 2 and Figure 6 As shown, the lifting mechanism 7 includes a first rack 7-1, a first rack auxiliary plate 7-2, a first limiting slide groove 7-3, a third rack 7-4, a first limiting slide rail 7-5, a second limiting slide rail 7-6, a second rack 7-7, a second rack auxiliary plate 7-8, a second limiting slide groove 7-9, a third gear 7-10 and a third rotating column 7-11.

[0077] The inner wall of the box body 1 is connected to the third rotating column 7-11 for limited rotation, and the outer wall of the third rotating column 7-11 is fixedly connected to the third gear 7-10, and the first rack 7-1 and the second rack 7-7 are respectively placed on both sides of the third gear 7-10, and the first rack 7-1 and the second rack 7-7 are both engaged with the third gear 7-10, and the teeth of the third gear 7-10 have a preset thickness.

[0078] The first rack 7-1 is fixedly connected to the bottom of the connecting plate 6-1, and a first rack auxiliary plate 7-2 is fixedly connected to one side of the first rack 7-1. The first rack auxiliary plate 7-2 is slidably connected to a first limit slide groove 7-3 opened in the box body 1 in an upper and lower limit manner. The outer wall of the second rack 7-7 is fixedly connected to the bottom plate 20, and a second rack auxiliary plate 7-8 is fixedly connected to one side of the second rack 7-7. The second rack auxiliary plate 7-8 is slidably connected to a second limit slide groove 7-9 opened in the box body 1 in an upper and lower limit manner.

[0079] The inner wall of the box body 1 is fixedly connected with a first limit slide rail 7-5 and a second limit slide rail 7-6, and the first limit slide rail 7-5 and the second limit slide rail 7-6 are jointly connected with a third rack 7-4 in a left and right limit sliding manner. The third rack 7-4 is connected to the telescopic end of the hydraulic cylinder 24 fixedly installed in the box body 1, and the third rack 7-4 is meshed with the third gear 7-10.

[0080] The outer wall of the second rack 7 - 7 is fixedly connected to the bottom plate 20 , and is used to drive the first slide bar 14 and the second slide bar 17 to move up and down when the hydraulic cylinder 24 is extended and retracted, and the retractable pressure rod mechanism 4 presses the battery when the bottom plate 10 is lifted.

[0081] The connecting mechanism 6 and the lifting mechanism 7 allow the installed battery to be placed outside for easy removal.

[0082] As a preferred embodiment of the present invention, Figure 2 As shown, a controller 23 is fixedly installed on the outer wall of the box body 1 , and the controller 23 is electrically connected to the water pump 10 and the hydraulic cylinder 24 .

[0083] The workflow of the present invention is:

[0084] In this embodiment, first, each battery is placed in the battery placement area formed by the metal heat-conducting vertical plate 5-5 and the metal heat-conducting horizontal plate 5-3. The height of the battery is slightly higher than the height of the metal heat-conducting vertical plate 5-5. At this time, the hydraulic cylinder 24 is extended. At this time, the third rack 7-4 and the third gear 7-10 are engaged with each other to drive the third gear 7-10 to rotate. The third gear 7-10 is engaged with the first rack 7-1 to move the first rack 7-1 downward, and then gradually presses the metal heat-conducting horizontal plate 5-3 on the top of the fixed plate 5-6. After the metal heat-conducting horizontal plate 5-3 is pressed on the fixed plate 5-6, the first rack 7-1 and the limit sliding plate 6-5 continue to move downward. At this time, the elastic member 6-4 cooperates to make the first rack 7-1 and the limit sliding plate 6-5 move downward.

[0085] At the same time, the rotating third gear 7-10 drives the second rack 7-7, the bottom plate 20, the first slide bar 14 and the second slide bar 17 to move upward, and through the meshing action of the first gear 4-4 and the first tooth 21, and the meshing action of the second gear and the second tooth 22, all the threaded rods 4-3 and all the sleeves 4-1 rotate and press down on the battery. When the battery is no longer moving relative to the fixed plate 5-6, all the threaded rods 4-3 and all the sleeves 4-1 can continue to press downward and press the top of the battery.

[0086] When it is detected that the battery temperature is high, the water pump 10 is started to transfer the coolant in the metal heat-conducting water tank 8 to the metal heat-conducting vertical plate 5-5 and the metal heat-conducting horizontal plate 5-3, so that the battery in contact with the metal heat-conducting vertical plate 5-5 and the metal heat-conducting horizontal plate 5-3 is cooled. The temperature of the coolant is transmitted from the heat dissipation fins 13 on the outer wall of the metal heat-conducting water tank 8, so that the battery can be stably cooled.

[0087] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art can still adjust the technical solutions described in the above embodiments or replace some of the technical features by equivalents. Therefore, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. A heat dissipating battery module, characterized in that: It includes a box body (1), a box cover (2), a handle (3), a telescopic pressure rod structure (4), a liquid flow mechanism (5), a fixing mechanism (6) and a lifting mechanism (7); The box cover (2) is arranged on the top of the box body (1), the handle (3) is arranged on the top of the box cover (2), the telescopic pressure rod structure (4), the liquid flow mechanism (5), the fixing mechanism (6) and the lifting mechanism (7) are all arranged inside the box body (1), the telescopic pressure rod structure (4) is arranged in the upper part of the box body (1), the liquid flow mechanism (5) is arranged below the telescopic pressure rod structure (4), the fixing mechanism (6) is arranged below the liquid flow mechanism (5), and the lifting mechanism (7) is arranged below the fixing mechanism (6); A metal heat-conducting water tank (8) and a protection box (9) are fixedly installed on the outer wall of the box body (1). A water pump (10) is fixedly installed inside the protection box (9). One end of the water pump (10) is equipped with a first auxiliary pipe (11), and the end of the first auxiliary pipe (11) is placed inside the metal heat-conducting water tank (8). The other end of the water pump (10) is equipped with a second auxiliary pipe (12), and the second auxiliary pipe (12) is connected to one end of the liquid flow mechanism (5). The other end of the liquid flow mechanism (5) is placed inside the metal heat-conducting water tank (8). Heat-dissipating fins (13) are fixedly installed on the outer wall of the metal heat-conducting water tank (8).

2. The heat-dissipating battery module according to claim 1, wherein: The liquid flow mechanism (5) includes a U-shaped liquid flow cavity (5-1), a first liquid flow channel (5-2), a metal heat-conducting horizontal plate (5-3), a second liquid flow channel (5-4), a metal heat-conducting vertical plate (5-5), a fixing plate (5-6), an inlet pipe (5-7) and an outlet pipe (5-8); The fixing plate (5-6) is fixedly installed inside the box body (1). The metal heat-conducting horizontal plate (5-3) is arranged on the top of the fixing plate (5-6). A number of metal heat-conducting vertical plates (5-5) are evenly distributed on the top of the metal heat-conducting horizontal plate (5-3). Each two metal heat-conducting vertical plates (5-5) and the metal heat-conducting horizontal plate (5-3) form a battery placement area, and a battery is placed in the battery placement area; The U-shaped liquid flow cavity (5-1) is opened inside the number of metal heat-conducting vertical plates (5-5). The first liquid flow channels (5-2) are communicated between adjacent U-shaped liquid flow cavities (5-1). The outlet pipe (5-8) is communicated with the leftmost first liquid flow channel (5-2), and the end of the outlet pipe (5-8) is placed inside the metal heat-conducting water tank (8). The second liquid flow channel (5-4) is opened inside the metal heat-conducting horizontal plate (5-3). The rightmost first liquid flow channel (5-2) is communicated with the second liquid flow channel (5-4). The inlet pipe (5-7) is communicated with the second liquid flow channel (5-4), and the inlet pipe (5-7) is communicated with the second auxiliary pipe (12).

3. The heat-dissipating battery module according to claim 2, wherein: A first slide bar (14) is arranged on the left side inside the box body (1), and a second slide bar (17) is arranged on the right side inside the box body (1); the bottoms of the first slide bar (14) and the second slide bar (17) are fixedly connected to a bottom plate (20); a first tooth (21) is arranged on the upper right side of the first slide bar (14), and a second tooth (22) is arranged on the upper left side of the second slide bar (17).

4. A heat dissipating battery module according to claim 3, characterized in that: The telescopic pressure rod structure (4) comprises a plurality of sleeve plates (4-1), a plurality of locking nuts (4-2), a plurality of threaded rods (4-3), a first gear (4-4), a first rotating column (4-5), a second gear (4-6), and a second rotating column (4-7); The first rotating column (4-5) is connected to the left side of the box body (1) in a limited rotational manner, and the second rotating column (4-7) is connected to the right side of the box body (1) in a limited rotational manner. The outer wall of the first rotating column (4-5) is fixedly connected to a first gear (4-4), and the outer wall of the second rotating column (4-7) is fixedly connected to a second gear (4-6). The first gear (4-4) and the second gear (4-6) are arranged between the first sliding bar (14) and the second sliding bar (17). The first gear (4-4) and the first tooth (21) are meshed with each other, and the second gear (4-6) and the second tooth (22) are meshed with each other. A plurality of threaded rods (4-3) are arranged between the first rotating column (4-5) and the second rotating column (4-7), the leftmost threaded rod (4-3) is fixedly connected to the first rotating column (4-5), and the rightmost threaded rod (4-3) is fixedly connected to the second rotating column (4-7), a sleeve plate (4-1) is arranged between each adjacent threaded rod (4-3), each sleeve plate (4-1) is sleeved on the outer wall of the threaded rod (4-3), and the outer walls of the plurality of threaded rods (4-3) are threadedly connected with locking nuts (4-2).

5. A heat dissipating battery module according to claim 4, characterized in that: The first slide bar (14) is fixedly connected to a third auxiliary plate (15) at its lower portion, the second slide bar (17) is fixedly connected to a fourth auxiliary plate (18) at its lower portion, the third auxiliary plate (15) is slidably connected up and down in a third limiting slide groove (16) provided on the left inner wall of the box body (1), and the second slide bar (17) is slidably connected up and down in a fourth limiting slide groove (19) provided on the right inner wall of the box body (1).

6. A heat dissipating battery module according to claim 5, characterized in that: The connecting mechanism (6) comprises a connecting plate (6-1), two auxiliary sliding grooves (6-2), two sliding sleeves (6-3), two elastic members (6-4) and two limiting sliding plates (6-5); The two auxiliary slide grooves (6-2) are arranged on the fixed plate (5-6); the bottom of the metal heat-conducting cross plate (5-3) is fixedly connected to two sliding sleeves (6-3); the two sliding sleeves (6-3) are respectively connected to the inside of the two auxiliary slide grooves (6-2) in a limited sliding manner; the two sliding sleeves (6-3) are internally connected to two limited sliding plates (6-5) in an upper and lower limited sliding manner; two elastic members (6-4) are respectively fixedly connected between the two limited sliding plates (6-5) and the inner tops of the two sliding sleeves (6-3); and the bottoms of the two limited sliding plates (6-5) are commonly fixedly connected to a connecting plate (6-1).

7. A heat dissipating battery module according to claim 6, characterized in that: The lifting mechanism (7) comprises a first rack (7-1), a first rack auxiliary plate (7-2), a first limiting slide groove (7-3), a third rack (7-4), a first limiting slide rail (7-5), a second limiting slide rail (7-6), a second rack (7-7), a second rack auxiliary plate (7-8), a second limiting slide groove (7-9), a third gear (7-10) and a third rotating column (7-11); The inner wall of the box body (1) is connected to a third rotating column (7-11) in a limited rotation manner, the outer wall of the third rotating column (7-11) is fixedly connected to a third gear (7-10), the first rack (7-1) and the second rack (7-7) are respectively arranged on both sides of the third gear (7-10), and the first rack (7-1) and the second rack (7-7) are both meshed with the third gear (7-10); The first rack (7-1) is fixedly connected to the bottom of the connecting plate (6-1); a first rack auxiliary plate (7-2) is fixedly connected to one side of the first rack (7-1); the first rack auxiliary plate (7-2) is slidably connected to a first limit slide groove (7-3) provided in the box body (1) in an up-and-down manner; the outer wall of the second rack (7-7) is fixedly connected to the bottom plate (20); a second rack auxiliary plate (7-8) is fixedly connected to one side of the second rack (7-7); the second rack auxiliary plate (7-8) is slidably connected to a second limit slide groove (7-9) provided in the box body (1) in an up-and-down manner; The inner wall of the box body (1) is fixedly connected with a first limiting slide rail (7-5) and a second limiting slide rail (7-6); the first limiting slide rail (7-5) and the second limiting slide rail (7-6) are jointly connected with a third rack (7-4) in a left-right limiting sliding manner; the third rack (7-4) is connected to the telescopic end of a hydraulic cylinder (24) fixedly installed in the box body (1); and the third rack (7-4) is meshed with a third gear (7-10).

8. A heat dissipating battery module according to claim 7, characterized in that: A controller (23) is fixedly mounted on the outer wall of the box body (1), and the controller (23) is electrically connected to the water pump (10) and the hydraulic cylinder (24).

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