New energy battery heat dissipation box

Abstract

The invention relates to the technical field of battery boxes, in particular to a new energy battery heat dissipation box which comprises a heat dissipation box body, a liquid cooling structure, an air cooling structure, an opening and closing structure, a mounting structure, a driving structure, an anti-collision structure, a mounting substrate and a mounting seat, liquid in a liquid cooling pipe in the liquid cooling structure continuously flows to take away heat of the battery to achieve the heat dissipation effect, meanwhile, when it is detected that the temperature is too high, a temperature sensor sends out an instruction, an air cooling assembly in the air cooling structure is started through a controller, heat on the surface of a heat dissipation plate is taken away through air flowing, and the heat dissipation efficiency is further improved; the opening and closing structure is convenient for sealing the two filter screens and preventing water from entering the heat dissipation box body from the filter screens, the anti-collision structure absorbs and buffers bottom collision energy and protects the heat dissipation box body and the battery cell, and the driving structure drives the mounting rod in the mounting structure not to be clamped with the mounting substrate any more, so that the heat dissipation effect of the battery cell is improved. And the heat dissipation box body falls off and is separated from the vehicle under the action of gravity, so that a vehicle body framework is prevented from being grilled by high temperature or secondary explosion is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery boxes, in particular to a new energy battery heat dissipation box. BACKGROUND

[0002] New energy vehicles gradually become the mainstream direction of the development of the automobile industry with the advantages of zero emission and low energy consumption. New energy vehicles take power batteries as the core power source, and the performance of the power batteries directly determines the vehicle's range and safety reliability. The battery heat dissipation box, as a key component to ensure the stable operation of the battery, plays a crucial role in the heat dissipation efficiency and safety.

[0003] However, when the new energy vehicle battery self-ignites, the existing connection structure of the battery pack and the vehicle body is not convenient to quickly separate, and the high temperature and flame are easy to spread to other parts of the vehicle body, affecting the safety of the driver and passenger. The current new energy vehicle battery heat dissipation mostly adopts a single liquid cooling heat dissipation mode, which is not convenient to meet the high-efficiency heat dissipation demand of the battery, and the heat dissipation effect is not ideal, affecting the battery performance and service life. During the driving of the new energy vehicle, the battery pack bottom plate is easy to be impacted by road stones, bumps and other external impacts. The existing battery pack bottom plate mostly adopts a single metal plate, which is easy to deform or even break when impacted, thereby causing the battery module to be squeezed and other faults, increasing the risk of battery thermal runaway, and affecting the normal operation and safety of the vehicle. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a new energy battery heat dissipation box.

[0005] The technical scheme adopted by the present application to solve the technical problems is: a new energy battery heat dissipation box, comprising a heat dissipation box body, a liquid cooling structure installed on the heat dissipation box body, an air cooling structure installed on the heat dissipation box body, an opening and closing structure installed on the heat dissipation box body, an installation base plate installed on the heat dissipation box body, an installation seat detachably connected to the installation base plate, an installation structure installed on the installation seat, a driving structure provided on the installation structure, and an anti-collision structure installed on the heat dissipation box body. The air cooling structure comprises two installation plates installed on the heat dissipation box body and a plurality of fans installed on the installation plates. The fans on one side are fixedly connected with the installation plates, and the fans on the other side are rotatably connected between the adjustment shafts and the installation plates. The first gear is fixedly connected to the adjustment shaft. The first gear is engaged with the first rack. The first rack is slidably connected with the installation plate. The first rack is fixedly connected with the adjustment plate. The adjustment plate is slidably connected with the installation plate. The heat dissipation box body is rotatably connected with the screw rod. The adjustment plate is threadedly connected with the screw rod. The opening and closing structure comprises two sealing plates slidably connected with the heat dissipation box body and two filter screens installed on the heat dissipation box body through the frame.

[0006] Specifically, the heat dissipation box is fixedly connected with a guide rail, the adjusting plate is slidably connected with the guide rail, the heat dissipation box is provided with a first driving element, and the lead screw is driven by the first driving element.

[0007] Specifically, the heat dissipation box is slidably connected with a connecting rod, the sealing plate is fixedly connected with the connecting rod, the heat dissipation box is fixedly connected with a guide shaft, the connecting rod is slidably connected with the guide shaft, the heat dissipation box is provided with a second driving element, and the connecting rod is driven by the second driving element.

[0008] Specifically, the liquid cooling structure comprises a heat dissipation plate mounted on the heat dissipation box and a liquid cooling pipe mounted on the heat dissipation plate, a temperature sensor is mounted in the heat dissipation box, a circulating pump is mounted in the heat dissipation box, and a condenser is mounted in the heat dissipation box.

[0009] Specifically, the outlet of the liquid cooling pipe is connected with the inlet of the circulating pump through a connecting pipe, the outlet of the circulating pump is connected with the inlet of the condenser through a connecting pipe, and the outlet of the condenser is connected with the inlet of the liquid cooling pipe through a connecting pipe.

[0010] Specifically, the mounting structure comprises a connecting shaft rotatably connected to the heat dissipation box and a driving block fixedly connected to the connecting shaft, the driving block is provided with a driving groove, four sliding sleeves are fixedly connected to the mounting seat, the sliding sleeves are slidably connected with mounting rods, the mounting rods are clamped with the mounting base plate, the mounting rods are rotatably connected with driving shafts, and the driving shafts are rollingly matched with the driving groove.

[0011] Specifically, the connecting shaft is fixedly connected with a second gear, the mounting seat is slidably connected with a second rack, the second gear is engaged with the second rack, the mounting seat is provided with an electromagnetic push rod, the telescopic end of the electromagnetic push rod is fixedly connected with a limiting rod, and the second rack is provided with a limiting groove matched with the limiting rod.

[0012] Specifically, the mounting seat is fixedly connected with a guide plate, the limiting rod is slidably connected with the guide plate, the mounting seat is fixedly connected with a guide column, the second rack is slidably connected with the guide column, and the second rack and the mounting seat are fixedly connected with a spring.

[0013] Specifically, the driving structure comprises a pull rope fixedly connected to the second rack and a connecting ring fixedly connected to the pull rope, the connecting ring is fixedly connected with a fixed shaft, the fixed shaft is fixedly connected with a driving ring, the driving ring is slidably connected with a rotating block, the rotating block is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with an anti-off block, and the anti-off block and the fixed shaft are fixedly connected with a tension spring.

[0014] Specific, the anti-collision structure includes the bottom plate installed on the heat dissipation box and the plurality of protective plates installed on the heat dissipation box, the protective plates are in contact with the bottom plate, the cross section of the protective plate is in a wave shape, the heat dissipation box is fixedly connected with the positioning block, and the protective plate and the positioning block are in sliding connection.

[0015] The beneficial effects of the present application are: (1) The new energy battery heat dissipation box has the liquid cooling structure on the heat dissipation box body, the air cooling structure on the heat dissipation box body, liquid in the liquid cooling pipe of the liquid cooling structure flows continuously to take away heat generated by battery operation, and the heat dissipation effect is realized; when the temperature is too high, the temperature sensor issues an instruction, the air cooling assembly in the air cooling structure is started through the controller, heat on the surface of the heat dissipation plate is taken away through air flow, the heat dissipation efficiency is further improved, and meanwhile, the air cooling assembly can be rotated by 180 degrees, air blowing to the inlet filter screen is facilitated, the inlet filter screen is cleaned, and the ventilation effect is ensured.

[0016] (2) The new energy battery heat dissipation box has the opening and closing structure on the heat dissipation box body and the anti-collision structure on the heat dissipation box body; the opening and closing structure facilitates sealing of the two filter screens, water is prevented from entering the heat dissipation box body from the filter screen to affect battery use, the anti-collision structure can absorb and buffer impact energy, prolongs the action time of force, reduces impact strength, and thus protects the heat dissipation box body and the battery cell, and prolongs the service life.

[0017] (3) The new energy battery heat dissipation box has the mounting structure on the mounting seat and the driving structure on the mounting structure; the driving structure facilitates driving of the mounting rod in the mounting structure to no longer be clamped with the mounting base plate, the heat dissipation box body falls and is separated from the vehicle under the action of gravity, the falling design can quickly separate the burning battery pack from other parts of the vehicle body, and high-temperature roasting of the vehicle body framework or secondary explosion is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application is further described below in combination with the drawings and embodiments.

[0019] Figure 1 A preferred embodiment of the new energy battery heat dissipation box provided by the present application is shown in the overall structure schematic view. Figure 2 A preferred embodiment of the new energy battery heat dissipation box provided by the present application is shown in the overall structure schematic view. Figure 1 An enlarged schematic view of the A part structure shown in the figure is shown. Figure 3 A connection structure schematic view of the heat dissipation plate and the liquid cooling pipe of the present application is shown. Figure 4 An enlarged schematic view of the B part structure shown in the figure is shown. Figure 3 An enlarged schematic view of the B part structure shown in the figure is shown. Figure 5 An enlarged schematic view of the B part structure shown in the figure is shown. Figure 4An enlarged schematic view of the structure of part C shown in the figure; Figure 6 A schematic view of the connecting structure of the mounting rod and the sliding sleeve of the application; Figure 7 A schematic view of the connecting structure of the bottom plate and the heat dissipation box of the application; Figure 8 A schematic view of Figure 7 An enlarged schematic view of the structure of part D shown in the figure; Figure 9 A schematic view of the connecting structure of the second gear and the connecting shaft of the application; Figure 10 A schematic view of the connecting structure of the mounting base plate and the mounting seat of the application; Figure 11 A schematic view of Figure 10 An enlarged schematic view of the structure of part E shown in the figure; Figure 12 A schematic view of the connecting structure of the rotating block and the rotating shaft of the application; Figure 13 A schematic view of the structure of the driving ring of the application.

[0020] In the figure: 1, heat dissipation box; 2, liquid cooling structure; 201, heat dissipation plate; 202, liquid cooling pipe; 203, condenser; 204, circulating pump; 205, temperature sensor; 206, connecting pipe; 3, air cooling structure; 301, mounting plate; 302, fan; 303, adjusting shaft; 304, first gear; 305, first rack; 306, adjusting plate; 307, screw rod; 308, guide rail; 309, first driving member; 4, opening and closing structure; 401, sealing plate; 402, filter screen; 403, connecting rod; 404, second driving member; 405, guide shaft; 5, mounting structure; 501, connecting shaft; 502, driving block; 503, driving groove; 504, driving shaft; 505, mounting rod; 506, sliding sleeve; 507, second gear; 508, second rack; 509, guide column; 510, spring; 511, electromagnetic push rod; 512, limiting rod; 513, limiting groove; 514, guide plate; 6, driving structure; 601, pull rope; 602, connecting ring; 603, fixed shaft; 604, driving ring; 605, rotating block; 606, rotating shaft; 607, anti-dropping block; 608, tension spring; 7, anti-collision structure; 701, bottom plate; 702, protection plate; 703, positioning block; 8, mounting base plate; 9, mounting seat. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific embodiments.

[0022] As Figure 1 , Figure 3 ,Figure 4 , Figure 5 , Figure 7 , Figure 9 , Figure 10 and Figure 11 As shown, the new energy battery heat dissipation box of the present invention includes a heat dissipation box body 1, a liquid cooling structure 2 mounted on the heat dissipation box body 1, a wind cooling structure 3 mounted on the heat dissipation box body 1, an opening and closing structure 4 mounted on the heat dissipation box body 1, a mounting base 8 mounted on the heat dissipation box body 1, a mounting seat 9 detachably connected to the mounting base 8, a mounting structure 5 mounted on the mounting seat 9, a driving structure 6 provided on the mounting structure 5, and an anti-collision structure 7 mounted on the heat dissipation box body 1; the wind cooling structure 3 includes two mounting plates 301 mounted on the heat dissipation box body 1 and a plurality of fans 302 mounted on the mounting plates 301, wherein one side of the fan 302 is connected to the mounting plate 301. 01 is fixedly connected, and the fan 302 on the other side is rotatably connected to the mounting plate 301 through the adjusting shaft 303. A first gear 304 is fixedly connected to the adjusting shaft 303, and a first rack 305 meshes with the first gear 304. The first rack 305 is slidably connected to the mounting plate 301. An adjusting plate 306 is fixedly connected to the first rack 305, and the adjusting plate 306 is slidably connected to the mounting plate 301. A lead screw 307 is rotatably connected to the heat sink 1, and the adjusting plate 306 is threadedly connected to the lead screw 307. The opening and closing structure 4 includes two sealing plates 401 slidably connected to the heat sink 1 and two filter screens 402 mounted on the heat sink 1 through a frame.

[0023] Specifically, such as Figure 4 , Figure 5 , Figure 10 and Figure 11 As shown, a guide rail 308 is fixedly connected to the heat dissipation box 1, and an adjusting plate 306 is slidably connected to the guide rail 308. A first driving component 309 is installed on the heat dissipation box 1, and a lead screw 307 is driven by the first driving component 309. A connecting rod 403 is slidably connected to the heat dissipation box 1, and a sealing plate 401 is fixedly connected to the connecting rod 403. A guide shaft 405 is fixedly connected to the heat dissipation box 1, and the connecting rod 403 is slidably connected to the guide shaft 405. The sliding cooperation between the connecting rod 403 and the guide shaft 405 makes the sliding more stable, and at the same time drives the sealing plate 401 to move downward, sealing the two filter screens 402 to prevent water from entering the heat dissipation box 1 from the filter screens 402 and affecting the battery use. A second driving component 404 is installed on the heat dissipation box 1, and the connecting rod 403 is driven by the second driving component 404.

[0024] Specifically, such as Figure 3 , Figure 4 , Figure 5 andFigure 11 As shown, the liquid cooling structure 2 includes a heat dissipation plate 201 mounted on the heat dissipation box 1 and a liquid cooling pipe 202 mounted on the heat dissipation plate 201. The liquid in the liquid cooling pipe 202 constantly flows to take away the heat generated by the battery operation, achieving the heat dissipation effect. The heat dissipation box 1 is provided with a temperature sensor 205 for real-time detection of the internal temperature, control of the flow speed of the cooling liquid in the liquid cooling pipe 202 and improvement of the heat dissipation effect. The heat dissipation box 1 is provided with a circulating pump 204. The heat dissipation box 1 is provided with a condenser 203. The outlet of the liquid cooling pipe 202 is connected to the inlet of the circulating pump 204 through a connecting pipe 206. The outlet of the circulating pump 204 is connected to the inlet of the condenser 203 through a connecting pipe 206. The outlet of the condenser 203 is connected to the inlet of the liquid cooling pipe 202 through a connecting pipe 206.

[0025] Specifically, as shown in Figure 1 , Figure 2 , Figure 6 , Figure 8 , Figure 9 , Figure 10 , Figure 12 and Figure 13As shown, the mounting structure 5 includes a connecting shaft 501 rotatably connected to the heat dissipation box 1 and a driving block 502 fixedly connected to the connecting shaft 501, the driving block 502 is provided with a driving groove 503, the mounting base 9 is fixedly connected with four sliding sleeves 506, the sliding sleeves 506 are slidingly connected with mounting rods 505, the mounting rods 505 are clamped with the mounting base 8, the mounting rods 505 are rotatably connected with driving shafts 504, the driving shafts 504 are rollingly matched with the driving grooves 503, the connecting shaft 501 is fixedly connected with a second gear 507, the mounting base 9 is slidingly connected with a second rack 508, the second gear 507 is engaged with the second rack 508, the mounting base 9 is installed with an electromagnetic push rod 511, the telescopic end of the electromagnetic push rod 511 is fixedly connected with a limiting rod 512, the second rack 508 is provided with a limiting groove 513 matched with the limiting rod 512, when the vehicle is powered, the telescopic end of the electromagnetic push rod 511 is retracted, the limiting rod 512 is driven to slide along the guide plate 514, the guide plate 514 makes the limiting rod 512 slide more stably, at the same time, the limiting rod 512 is clamped with the limiting groove 513 on the second rack 508, preventing the second rack 508 from sliding under the action of inertia, the mounting base 9 is fixedly connected with the guide plate 514, the limiting rod 512 is slidingly connected with the guide plate 514, the mounting base 9 is fixedly connected with a guide column 509, the second rack 508 is slidingly connected with the guide column 509, the second rack 508 and the mounting base 9 are fixedly connected with a spring 510, the driving structure 6 includes a pull rope 601 fixedly connected to the second rack 508 and a connecting ring 602 fixedly connected to the pull rope 601, the connecting ring 602 is fixedly connected with a fixed shaft 603, the fixed shaft 603 is fixedly connected with a driving ring 604, the driving ring 604 is slidingly connected with a rotating block 605, the rotating block 605 is rotatably connected with a rotating shaft 606, the driving ring 604 drives the fixed shaft 603 to rotate by the upward movement of the rotating block 605 by a certain distance, avoiding the rotation of the fixed shaft 603 caused by the accidental touch of the rotating block 605 when the vehicle is off, improving the safety, the rotating shaft 606 is fixedly connected with an anti-dropping block 607, the anti-dropping block 607 and the fixed shaft 603 are fixedly connected with a tension spring 608.

[0026] Specifically, as Figure 1 , Figure 6 , Figure 7 , Figure 10 and Figure 11As shown, the anti-collision structure 7 comprises a bottom plate 701 mounted on the heat dissipation box body 1 and a plurality of protective plates 702 mounted on the heat dissipation box body 1, the protective plates 702 are in contact with the bottom plate 701, the cross section of the protective plates 702 is wave-shaped, when the bottom plate 701 is impacted by external force, the wave-shaped protective plates 702 can decompose the vertical impact force into a plurality of directional components, reduce local stress concentration, the elastic deformation characteristics of the wave can absorb and buffer the impact energy, prolong the action time of the force, reduce the impact strength, the heat dissipation box body 1 is fixedly connected with a positioning block 703, the protective plates 702 are slidably connected with the positioning block 703, the positioning block 703 facilitates positioning of the protective plates 702 during installation, so that the mounting holes on the protective plates 702 correspond to the mounting holes on the heat dissipation box body 1, and the installation flexibility is improved.

[0027] In use, when liquid cooling is performed, the circulating pump 204 is started to transport the cooling liquid in the condenser 203 to the liquid cooling pipe 202 through the connecting pipe 206, the liquid in the liquid cooling pipe 202 flows continuously to take away the heat generated by the battery operation, so as to achieve the heat dissipation effect, the cooling liquid in the liquid cooling pipe 202 enters the condenser 203 again through the connecting pipe 206, is cooled by the condenser 203 and is recycled, at the same time, the temperature sensor 205 detects the internal temperature in real time, controls the flow speed of the cooling liquid in the liquid cooling pipe 202 to improve the heat dissipation effect, when the temperature is detected to be too high, the temperature sensor 205 issues an instruction to start the fan 302 through the controller, the two fans 302 are rotatable structures, one side is for air inlet and the other side is for air outlet, at this time, the heat on the liquid cooling pipe 202 is conducted to the heat dissipation plate 201, the heat on the surface of the heat dissipation plate 201 is taken away by air flow, and the heat dissipation efficiency is further improved, in addition, the two filter screens 402 on the heat dissipation box body 1 can prevent sundries from entering the interior, after the fan 302 is used for a period of time, to avoid blockage of the filter screen 402, the first driving member 309 (preferably a motor) can be started, the output shaft of the motor rotates to drive the screw rod 307 to rotate, the screw rod 307 drives the adjusting plate 306 to move through threads, the adjusting plate 306 is slidably connected with the guide rail 308 to make the movement more stable, simultaneously drives the first rack 305 and the mounting plate 301 to slide, the first rack 305 drives the first gear 304 to rotate, and then drives the adjusting shaft 303 to rotate, so that the adjusting shaft 303 drives the fan 302 to rotate, and the fan 302 blows air to the filter screen 402 at the inlet, so as to clean the inlet filter screen 402 and ensure the ventilation effect; When air cooling is not needed, the second driving member 404 (preferably a hydraulic rod) can be started, the extension of the telescopic end of the hydraulic rod drives the connecting rod 403 to move downward, the sliding fit of the connecting rod 403 and the guide shaft 405 makes the sliding more stable, and at the same time drives the sealing plate 401 to move downward, seals the two filter screens 402, avoids water from entering the heat dissipation box 1 from the filter screen 402 to affect the use of the battery, and when the bottom plate 701 is impacted by external force during driving, the wavy protective plate 702 can decompose the vertical impact force into multiple directional component forces, reduces local stress concentration, the elastic deformation characteristics of the waves can absorb and buffer the impact energy, prolong the action time of the force, reduce the impact strength, thereby protecting the heat dissipation box 1 and the battery cell, prolonging the service life, the protective plate 702 is provided in multiple pieces, when local damage occurs, only the corresponding protective plate 702 needs to be replaced, the positioning block 703 facilitates positioning when the protective plate 702 is installed, makes the mounting holes on the protective plate 702 correspond to the mounting holes on the heat dissipation box 1, and improves the installation flexibility; When the vehicle is running, the electromagnetic push rod 511 is retracted, the limiting rod 512 is driven to slide along the guide plate 514, the guide plate 514 makes the limiting rod 512 slide more smoothly, and the limiting rod 512 is clamped with the limiting groove 513 on the second rack 508, preventing the second rack 508 from sliding under the action of inertia. When the vehicle battery self-ignites and causes the vehicle to lose power, the electromagnetic push rod 511 is retracted to release the limiting of the second rack 508. At this time, the rotating block 605 located in the cab can be pulled upward, the rotating block 605 moves upward to drive the rotating shaft 606 and the anti-dropping block 607 to move upward, and the tension spring 608 is elongated. When the protrusion on the rotating block 605 corresponds to the groove on the driving ring 604, the rotating block 605 is rotated, the driving ring 604 is driven to rotate through the upward movement of the rotating block 605 by a certain distance, the fixed shaft 603 is prevented from rotating due to the misoperation of the rotating block 605 during the vehicle is off, and the safety is improved. The rotation of the fixed shaft 603 drives the connecting ring 602 to rotate, the pull rope 601 is wound on the connecting ring 602, the pull rope 601 is arranged in the vehicle through the pipeline and exerts a pulling force on the second rack 508, the second rack 508 slides, the second rack 508 is in sliding cooperation with the guide column 509, the spring 510 is retracted, the guide column 509 makes the second rack 508 move more smoothly, the second rack 508 drives the second gear 507 to rotate, the connecting shaft 501 is driven to rotate, the driving block 502 is driven to rotate, the driving shaft 504 is in rolling cooperation in the driving groove 503 when the driving block 502 rotates, the mounting rod 505 slides in the sliding sleeve 506 and is no longer clamped with the mounting base plate 8. At this time, the heat dissipation box body 1 is mounted on the mounting base plate 8 through the connecting piece, the mounting rod 505 is no longer clamped, the heat dissipation box body 1 falls and separates from the vehicle under the action of gravity. The falling design can quickly separate the burning battery pack from other parts of the vehicle body, avoid high-temperature roasting of the vehicle body framework or cause secondary explosion, improve the safety, and the protective plate 702 can also play a buffering role when falling to avoid violent impact to intensify the battery self-ignition.

[0028] It is obvious to a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A heat dissipation box for a new energy battery, characterized in that, It includes a heat sink (1), a liquid cooling structure (2) mounted on the heat sink (1), an air cooling structure (3) mounted on the heat sink (1), an opening and closing structure (4) mounted on the heat sink (1), a mounting base (8) mounted on the heat sink (1), a mounting seat (9) detachably connected to the mounting base (8), a mounting structure (5) mounted on the mounting seat (9), a driving structure (6) provided on the mounting structure (5), and an anti-collision structure (7) mounted on the heat sink (1). The air-cooled structure (3) includes two mounting plates (301) mounted on the heat sink (1) and multiple fans (302) mounted on the mounting plates (301). One fan (302) is fixedly connected to the mounting plate (301), and the other fan (302) is rotatably connected to the mounting plate (301) via an adjusting shaft (303). A first gear (304) is fixedly connected to the adjusting shaft (303), and a first rack (305) meshes with the first gear (304). The rack (305) is slidably connected to the mounting plate (301). An adjusting plate (306) is fixedly connected to the first rack (305). The adjusting plate (306) is slidably connected to the mounting plate (301). A lead screw (307) is rotatably connected to the heat dissipation box (1). The adjusting plate (306) is threadedly connected to the lead screw (307). The opening and closing structure (4) includes two sealing plates (401) slidably connected to the heat dissipation box (1) and two filter screens (402) installed on the heat dissipation box (1) through a frame.

2. The new energy battery heat dissipation box according to claim 1, characterized in that: A guide rail (308) is fixedly connected to the heat dissipation box (1), and the adjustment plate (306) is slidably connected to the guide rail (308). A first driving component (309) is installed on the heat dissipation box (1), and the lead screw (307) is driven by the first driving component (309).

3. The new energy battery heat dissipation box according to claim 2, characterized in that: A connecting rod (403) is slidably connected to the heat dissipation box (1), and the sealing plate (401) is fixedly connected to the connecting rod (403). A guide shaft (405) is fixedly connected to the heat dissipation box (1), and the connecting rod (403) is slidably connected to the guide shaft (405). A second driving component (404) is installed on the heat dissipation box (1), and the connecting rod (403) is driven by the second driving component (404).

4. The new energy battery heat dissipation box according to claim 1, characterized in that: The liquid cooling structure (2) includes a heat sink (201) installed on the heat sink (1) and a liquid cooling pipe (202) installed on the heat sink (201). A temperature sensor (205) is installed inside the heat sink (1). A circulation pump (204) is installed inside the heat sink (1). A condenser (203) is installed inside the heat sink (1).

5. A new energy battery heat dissipation box according to claim 4, characterized in that: The outlet of the liquid cooling pipe (202) is connected to the inlet of the circulating pump (204) through the connecting pipe (206), the outlet of the circulating pump (204) is connected to the inlet of the condenser (203) through the connecting pipe (206), and the outlet of the condenser (203) is connected to the inlet of the liquid cooling pipe (202) through the connecting pipe (206).

6. A new energy battery heat dissipation box according to claim 1, characterized in that: The mounting structure (5) includes a connecting shaft (501) rotatably connected to the heat sink (1) and a driving block (502) fixedly connected to the connecting shaft (501). The driving block (502) is provided with a driving groove (503). Four sliding sleeves (506) are fixedly connected to the mounting base (9). A mounting rod (505) is slidably connected to the sliding sleeve (506). The mounting rod (505) engages with the mounting base (8). A driving shaft (504) is rotatably connected to the mounting rod (505). The driving shaft (504) rolls with the driving groove (503).

7. A new energy battery heat dissipation box according to claim 6, characterized in that: A second gear (507) is fixedly connected to the connecting shaft (501), and a second rack (508) is slidably connected to the mounting base (9). The second gear (507) meshes with the second rack (508). An electromagnetic push rod (511) is installed on the mounting base (9). A limit rod (512) is fixedly connected to the telescopic end of the electromagnetic push rod (511). A limit groove (513) is provided on the second rack (508) to cooperate with the limit rod (512).

8. A new energy battery heat dissipation box according to claim 7, characterized in that: A guide plate (514) is fixedly connected to the mounting base (9), the limiting rod (512) is slidably connected to the guide plate (514), a guide post (509) is fixedly connected to the mounting base (9), the second rack (508) is slidably connected to the guide post (509), and a spring (510) is fixedly connected between the second rack (508) and the mounting base (9).

9. A new energy battery heat dissipation box according to claim 7, characterized in that: The drive structure (6) includes a pull rope (601) fixedly connected to the second rack (508) and a connecting ring (602) fixedly connected to the pull rope (601). A fixed shaft (603) is fixedly connected to the connecting ring (602). A drive ring (604) is fixedly connected to the fixed shaft (603). A rotating block (605) is slidably connected to the drive ring (604). A rotating shaft (606) is rotatably connected to the rotating block (605). An anti-detachment block (607) is fixedly connected to the rotating shaft (606). A tension spring (608) is fixedly connected between the anti-detachment block (607) and the fixed shaft (603).

10. A new energy battery heat dissipation box according to claim 1, characterized in that: The anti-collision structure (7) includes a base plate (701) installed on the heat dissipation box (1) and a plurality of protective plates (702) installed on the heat dissipation box (1). The protective plates (702) abut against the base plate (701). The cross section of the protective plates (702) is wavy. A positioning block (703) is fixedly connected to the heat dissipation box (1). The protective plates (702) and the positioning blocks (703) are slidably connected.

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