Battery heat dissipation device for new energy power research and development

Abstract

The invention discloses a battery heat dissipation device for new energy power research and development, and relates to the technical field of battery heat dissipation, the battery heat dissipation device comprises a cabinet body, a placing assembly, an adjusting mechanism and a cold air output pipe, when a battery emits heat, the adjusting mechanism acts according to the heat of the battery so as to communicate the cold air output pipe to cool the battery, and if the temperature of the battery further rises, the cold air output pipe stops working; the adjusting mechanism acts again to adjust the air volume of the cold air, improve the cooling effect on the battery, prevent thermal runaway of the battery and reduce the damage degree of the battery to the maximum extent, and when the battery is spontaneously combusted, the adjusting mechanism acts to enable the lower cavity to be communicated with the storage unit, the carbon dioxide extinguishes the spontaneously combusted battery, and meanwhile, the storage unit is closed. Therefore, battery flames are efficiently extinguished, and loss caused by fire disasters is reduced to the maximum extent.

Description

Technical Field

[0001] This invention relates to the field of battery heat dissipation technology, and in particular to a battery heat dissipation device for the research and development of new energy power. Background Technology

[0002] As a core component of new energy vehicles, the performance and safety of batteries directly affect the overall performance of the vehicle and the safety of users. With the rapid development of the new energy vehicle industry, the importance of battery technology is becoming increasingly prominent, and the industry is continuously increasing its investment in battery research and development, aiming to continuously improve its energy density, charging and discharging efficiency, and service life.

[0003] However, stability remains a critical challenge in battery research and development and production. For example, even minor manufacturing defects can damage the internal separator, leading to direct contact between the positive and negative electrodes. This internal fault can easily trigger a violent chemical reaction during battery storage or charging, generating a large amount of heat. In severe cases, it can even cause the battery to spontaneously combust, damaging not only the battery itself but also potentially causing fires and other safety accidents, posing a serious threat to personnel and property safety.

[0004] To effectively address the aforementioned issues, establishing an unattended battery monitoring and emergency response system is crucial. This system should dissipate heat when the battery temperature rises abnormally, keeping it within a safe threshold to prevent thermal runaway. If the battery temperature continues to climb and eventually ignites spontaneously combust, the system should promptly extinguish the fire to minimize damage and prevent the fire from escalating.

[0005] To address these issues, we designed a battery cooling device for new energy power research and development. Summary of the Invention

[0006] To address the above issues and overcome the shortcomings of existing technologies, this invention provides a battery cooling device for new energy power research and development. First, when the battery temperature shows an upward trend, a cool airflow circulation system removes excess heat generated by the battery. If the battery temperature continues to rise, the flow rate of the air-cooling system is dynamically adjusted to enhance the airflow supply intensity to the target battery area, thereby improving the heat dissipation efficiency and delaying or preventing further temperature increases. Second, in the event of spontaneous combustion of the battery, the storage unit containing the battery is shut down, and carbon dioxide is subsequently released into the storage unit to efficiently extinguish the battery flame and minimize the losses caused by the fire.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0008] A battery cooling device for new energy power research and development includes: a cabinet, a placement component, an adjustment mechanism, and a cold air output pipe;

[0009] The cabinet is composed of multiple storage units, each of which is equipped with a placement component and an adjustment mechanism. The placement component is slidably disposed within the storage unit.

[0010] The regulating mechanism includes: a hose, a regulating valve, a moving tube, a sleeve, an inner tube, a torsion spring, a memory metal spring, and a toothed ring. The moving tube is nested within the sleeve. One end of the torsion spring is connected to the sleeve, and the other end is slidably connected to the moving tube. The inner tube passes through the sleeve nested within the moving tube. Both ends of the memory metal spring are rotatably connected to the moving tube and the sleeve, respectively. The toothed ring is mounted on the moving tube. The regulating valve consists of a first valve tube and a second valve tube rotatably connected. The end of the moving tube extends into the first valve tube. The inner tube, the moving tube, and the first valve tube rotate synchronously. The first valve tube is connected to the storage unit through a hose. An air inlet is provided on the end face of the first valve tube. The second valve tube has a first opening and a second opening. The area of ​​the first opening is smaller than that of the second opening. The air inlet is staggered by 90 degrees from the first opening and the second opening, respectively. A power device drives multiple regulating mechanisms. The memory metal spring contracts to different degrees depending on the battery temperature, thereby driving the toothed ring on the moving tube to move horizontally. When the toothed ring is in different positions, it cooperates with the power device to drive the moving tube to rotate counterclockwise or clockwise by a certain angle. The cold air output pipe is connected to the second valve tube through multiple branch pipes.

[0011] In one embodiment, a lower cavity is provided below the cabinet, and high-pressure carbon dioxide is stored in the lower cavity.

[0012] In one embodiment, the placement assembly includes: a vertical plate, a box body, a placement plate, and a spring. The vertical plate has an exhaust port. The box body fixes the vertical plate and is slidably connected within the storage unit. The placement plate is slidably disposed within the box body and supported by the spring. Multiple wind baffles are provided above the placement plate. Initially, the multiple wind baffles block the multiple exhaust ports. The stress of the spring is greater than the weight of the battery.

[0013] In one embodiment, the inner tube end is provided with a first lever and a second lever, the first lever being longer than the second lever. An opening is formed on the inner tube wall. When the inner tube rotates counterclockwise by a certain angle, the first lever presses down on the placement plate, causing multiple air baffles to descend and open multiple exhaust ports. When the inner tube rotates clockwise by a certain angle, the second lever presses down on the placement plate, causing multiple air baffles to descend a certain distance, thus partially blocking the multiple exhaust ports.

[0014] In one embodiment, a retaining ring is provided inside the sleeve, and a limiting ring is provided at the middle of the memory metal spring. The limiting ring fits with the retaining ring to restrict the thermal contraction of a section of the memory metal spring. The limiting ring is made of mixed wax. When the battery spontaneously combusts, the limiting ring melts, thereby allowing the memory metal spring to further stretch the moving tube.

[0015] In one embodiment, the toothed ring has multiple spring pieces equidistantly arranged inside, and each of the multiple spring pieces has a friction block at one end facing the moving tube. The friction block abuts against the outer wall of the moving tube, wherein the friction force between the friction block and the moving tube is greater than the stress of the torsion spring. A protrusion is provided at the lower end of the toothed ring, and the moving tube drives the toothed ring to move horizontally synchronously through two limiting plates.

[0016] In one embodiment, each of the plurality of storage units is provided with a limiting device, which includes: a mounting plate, a slider, a first baffle, a second baffle, a first micro-switch, a second micro-switch, and an inclined plate; the first baffle and the second baffle are respectively disposed at both ends of the mounting plate and staggered by a certain distance, thereby limiting the maximum angle of clockwise or counterclockwise rotation of the gear ring by the first baffle, the second baffle, and the protrusion; an inclined plate is disposed on one side of the second baffle, and when the gear ring moves to the inclined plate, the protrusion climbs along the wall of the inclined plate, further driving the gear ring to rotate 90 degrees clockwise; the first micro-switch and the second micro-switch are arranged in a straight line on the mounting plate; the slider is disposed on the moving tube, and the slider moves horizontally with the moving tube to sequentially trigger the first micro-switch and the second micro-switch.

[0017] In one embodiment, the first micro-touch switch and the second micro-touch switch are used to control the power device to start for a certain period of time. If the power device triggers the first micro-touch switch or the second micro-touch switch again during the start-up time, the power device will be started again after a certain interval.

[0018] In one embodiment, a carbon dioxide inlet is provided on the first valve tube, and anti-clogging rings are respectively provided on multiple first valve tubes. The multiple anti-clogging rings are respectively connected to a connecting pipe, and the multiple connecting pipes are connected to the lower cavity. The connection between the connecting pipe and the anti-clogging ring is initially offset from the carbon dioxide inlet by 180 degrees.

[0019] In one embodiment, the power unit includes: a transmission toothed belt, a first toothed belt, and a second toothed belt. The transmission toothed belt is vertically arranged and connected to a motor. The first toothed belt and the second toothed belt are horizontally arranged and staggered by a certain distance. The first toothed belt and the second toothed belt have a certain width in their cross-section. The first toothed belt is connected to one end of the transmission toothed belt through a gear, and the second toothed belt is connected to the other end of the transmission toothed belt through another gear. Thus, the first toothed belt and the second toothed belt rotate in opposite directions. One first toothed belt and one second toothed belt form a group, and multiple groups of first toothed belts and second toothed belts are driven by toothed rings in a multi-row adjustment mechanism.

[0020] In one embodiment, each of the plurality of storage units is provided with a temperature sensor and a flashing light. When the temperature sensor detects that the battery temperature reaches a first threshold, the temperature sensor controls the cooling device to turn on via a microcontroller. When the temperature sensor detects that the battery temperature rises further to a second threshold, the microcontroller controls the flashing light to start flashing.

[0021] The beneficial effects of this invention are as follows:

[0022] (1) When the battery heats up, the present invention activates the regulating mechanism according to the heat of the battery to connect the cold air output pipe to cool the battery. If the battery temperature rises further, the regulating mechanism activates again to adjust the air volume of the cold air, increase the cooling effect on the battery, prevent the occurrence of battery thermal runaway, and minimize the degree of battery damage.

[0023] (2) When the battery spontaneously combusts, the adjustment mechanism of the present invention connects the lower cavity with the storage unit, and carbon dioxide extinguishes the spontaneously combusting battery. At the same time, the storage unit is closed, thereby efficiently extinguishing the battery flame and minimizing the losses caused by the fire. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of one side of the structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the storage unit structure of the present invention;

[0027] Figure 4 This is a schematic diagram of the component placement structure of the present invention;

[0028] Figure 5 This is a schematic diagram of one side of the storage unit of the present invention;

[0029] Figure 6 This is a partial structural diagram of the present invention;

[0030] Figure 7 This is a schematic diagram of the adjustment mechanism structure of the present invention;

[0031] Figure 8 This is a schematic diagram of the gear ring structure of the present invention;

[0032] Figure 9 This is a schematic diagram of the regulating valve structure of the present invention;

[0033] Figure 10 This is a schematic diagram of the second baffle structure of the present invention;

[0034] Figure 11 This is a schematic diagram of the power unit structure of the present invention;

[0035] Figure 12 This is a schematic diagram of the motion of the adjustment mechanism driven by the power device of the present invention.

[0036] In the diagram: 1. Cabinet; 11. Storage unit; 12. Lower cavity; 13. Protective cover; 2. Placement assembly; 21. Vertical plate; 22. Box; 23. Placement plate; 24. Spring; 211. Exhaust port; 231. Wind baffle; 3. Adjustment mechanism; 30. Hose; 31. Adjustment valve; 32. Moving pipe; 33. Sleeve; 34. Inner pipe; 35. Torsion spring; 36. Memory metal spring; 37. Gear ring; 311. First valve pipe; 312. Second valve pipe; 331. Retaining ring; 341. First lever; 342. Second lever; 343. Opening; 361. Limiting ring; 371. Protrusion; 372. Spring; 373. Friction block; 3111. Air inlet; 3112. Carbon dioxide inlet; 3121. First opening; 3122. Second opening; 4. Limiting device; 41. Mounting plate; 42. Slider; 43. First baffle; 44. Second baffle; 45-1. First micro-touch switch; 45-2. Second micro-touch switch; 46. Inclined plate; 5. Cold air output pipe; 51. Branch pipe; 6. Connecting pipe; 61. Anti-clogging ring; 7. Power unit; 71. Transmission toothed belt; 72. First toothed belt; 73. Second toothed belt; 100. Battery. Detailed Implementation

[0037] The present invention will be further described below with reference to the accompanying drawings and embodiments. The embodiments of the present invention include, but are not limited to, the following embodiments.

[0038] Please see Figure 1-3 The present invention provides a battery heat dissipation device for new energy power research and development, comprising: cabinet 1, placement component 2, adjustment mechanism 3, limiting device 4, cold air output pipe 5, connecting pipe 6, and power device 7.

[0039] Please see Figure 1-2The cabinet 1 is composed of multiple storage units 11, one side of which is open. A placement component 2 is installed inside the storage unit 11, and the battery 100 is placed on the placement component 2. The battery 100 can be charged inside the storage unit 11. A lower cavity 12 is provided below the cabinet 1, which stores high-pressure carbon dioxide. A protective cover 13 is provided on one side wall of the cabinet 1. An adjustment mechanism 3, a limiting device 4, a cold air output pipe 5, a connecting pipe 6, and a power device 7 are provided inside the protective cover 13.

[0040] Please see Figure 3-4 The placement assembly 2 includes: a vertical plate 21, a box body 22, a placement plate 23, and a spring 24. The vertical plate 21 is used to seal the open surface of the storage unit 11. The upper end of the vertical plate 21 has multiple strip-shaped exhaust ports 211. The box body 22 fixes the vertical plate 21 and is slidably connected to the storage unit 11. The placement plate 23 is slidably disposed in the box body 22 and is supported by the spring 24. Multiple wind baffles 231 are provided above the placement plate 23. Initially, the multiple wind baffles 231 seal the multiple exhaust ports 211. The stress of the spring 24 is greater than the weight of the battery 100.

[0041] The function of the regulating mechanism 3 is to connect the storage unit 11 and to redistribute the air volume of the cold air. The number of regulating mechanisms 3 is the same as that of the storage unit 11.

[0042] Please see Figure 5-7 The adjustment mechanism 3 includes: a hose 30, an adjustment valve 31, a moving tube 32, a sleeve 33, an inner tube 34, a torsion spring 35, a memory metal spring 36, and a gear ring 37; one end of the sleeve 33 extends into the storage unit 11 and is fixed thereto, and a retaining ring 331 is provided inside one end of the sleeve 33.

[0043] The movable tube 32 is nested inside the sleeve 33 along the other end of the sleeve 33. A torsion spring 35 is connected between the sleeve 33 and the movable tube 32. The end of the torsion spring 35 is slidably connected to the movable tube 32.

[0044] The inner tube 34 extends into the sleeve 33 from one end and is nested inside the moving tube 32. The inner tube 34 and the moving tube 32 rotate synchronously. The end of the inner tube 34 is provided with a first lever 341 and a second lever 342. The length of the first lever 341 is greater than that of the second lever 342. An opening 343 is provided on the wall of the inner tube 34. The function of the first lever 341 and the second lever 342 is as follows: when the inner tube 34 rotates counterclockwise by a certain angle, the first lever 341 presses down on the placement plate 23, thereby causing multiple wind baffles 231 to descend and open multiple exhaust ports 211. When the inner tube 34 rotates clockwise by a certain angle, the second lever 342 presses down on the placement plate 23, causing multiple wind baffles 231 to descend a certain distance, thereby partially blocking multiple exhaust ports 211.

[0045] The memory metal spring 36 is nested within the inner tube 34, and both ends of the memory metal spring 36 are rotatably connected to the moving tube 32 and the sleeve 33, respectively. When the memory metal spring 36 is heated and contracts, it pulls the moving tube 32 to move. A limiting ring 361 is provided in the middle of the memory metal spring 36. The limiting ring 361 is in contact with the retaining ring 331. The limiting ring 361 is a mixed wax made of beeswax and stearic acid, with a melting point of 85 to 95 degrees Celsius.

[0046] Please see Figure 8 The toothed ring 37 has multiple spring pieces 372 evenly spaced inside. Each of the multiple spring pieces 372 has a friction block 373 at one end facing the moving tube 32. The friction block 373 abuts against the outer wall of the moving tube 32. The friction force between the friction block 373 and the moving tube 32 is greater than the stress of the torsion spring 35. The lower end of the toothed ring 37 has a protrusion 371. The moving tube 32 drives the toothed ring 37 to move horizontally synchronously through two limiting plates.

[0047] Please see Figure 9 The regulating valve 31 includes a first valve tube 311 and a second valve tube 312. The first valve tube 311 and the second valve tube 312 are nested together. The end of the moving tube 32 extends into the first valve tube 311. The moving tube 32 and the first valve tube 311 rotate synchronously. A flexible tube 30 is provided on the first valve tube 311. The flexible tube 30 is connected to the storage unit 11. An air inlet 3111 and a carbon dioxide inlet 3112 are provided on the end face of the first valve tube 311. The second valve tube 312 has a first opening 3121 and a second opening 3122. The area of ​​the first opening 3121 is smaller than that of the second opening 3122. The air inlet 3111 is staggered by 90 degrees from the first opening 3121 and the second opening 3122.

[0048] Multiple batteries 100 are placed in multiple storage units 11. The batteries 100 are attached to the ends of the inner tube 34. When one or more batteries 100 generate heat, the heat enters the sleeve 33 along the inner tube 34, causing the memory metal spring 36 to contract. The moving tube 32 drives the gear ring 37 to move and connect to the power device 7. When the power device 7 is activated, it drives the moving tube 32 to rotate counterclockwise by a certain angle through the gear ring 37. The first valve tube 311 rotates synchronously, and the air inlet 3111 aligns with the first opening 3121, so that cold air enters the storage unit 11 along the hose 30. The heat-generating battery 100 is cooled down. If the temperature of the battery 100 exceeds a certain range and rises further, the memory metal spring 36 drives the moving tube 32 to move further. The gear ring 37 is reconnected to the power device 7. The power device 7 starts and drives the moving tube 32 to rotate clockwise by a certain angle through the gear ring 37. The first valve tube 311 rotates synchronously. The air inlet 3111 is aligned with the second opening 3122. Since the area of ​​the second opening 3122 is larger than that of the first opening 3121, more cold air is distributed to the further heated battery 100 to cool it down.

[0049] Please see Figure 6 , Figure 10 The limiting device 4 includes: a mounting plate 41, a slider 42, a first baffle 43, a second baffle 44, a first micro-touch switch 45-1, a second micro-touch switch 45-2, and an inclined plate 46. The mounting plate 41 is fixed on the storage unit 11. The first baffle 43 and the second baffle 44 are respectively disposed at both ends of the mounting plate 41 and are staggered by a certain distance. The first baffle 43, the second baffle 44, and the protrusion 371 limit the maximum clockwise or counterclockwise rotation angle of the gear ring 37. An inclined plate 46 is disposed on one side of the second baffle 44. When the gear ring 37 moves to the inclined plate 46, the protrusion 371 climbs along the wall of the inclined plate 46. This further drives the gear ring 37 to rotate 90 degrees clockwise; the first micro-touch switch 45-1 and the second micro-touch switch 45-2 are arranged in a straight line on the mounting plate 41. The first micro-touch switch 45-1 and the second micro-touch switch 45-2 are used to control the power device 7 to start for a certain period of time. If the power device 7 triggers the first micro-touch switch 45-1 or the second micro-touch switch 45-2 again during the start-up time, the power device 7 will be started again after a certain interval (e.g., ten seconds); the slider 42 is set on the moving tube 32. The slider 42 moves horizontally with the moving tube 32 and triggers the first micro-touch switch 45-1 and the second micro-touch switch 45-2 in sequence;

[0050] Please see Figure 2 , Figure 9One end of the cold air output pipe 5 is connected to a refrigeration device, which is used to generate cold air. The cold air output pipe 5 is connected to the second valve pipe 312 through multiple branch pipes 51. One end of multiple connecting pipes 6 is connected to an anti-blocking ring 61. The multiple anti-blocking rings 61 are nested on multiple first valve pipes 311 respectively. The connection between the connecting pipe 6 and the anti-blocking ring 61 is initially offset from the carbon dioxide inlet 3112 by 180 degrees.

[0051] Please see Figure 11 The power unit 7 includes: a transmission toothed belt 71, a first toothed belt 72, and a second toothed belt 73. The transmission toothed belt 71 is vertically arranged and connected to a motor. The first toothed belt 72 and the second toothed belt 73 are horizontally arranged and staggered by a certain distance. The cross-section of the first toothed belt 72 and the second toothed belt 73 has a certain width. The first toothed belt 72 is connected to one end of the transmission toothed belt 71 through a gear, and the second toothed belt 73 is connected to the other end of the transmission toothed belt 71 through another gear. Thus, the rotation directions of the first toothed belt 72 and the second toothed belt 73 are opposite. One first toothed belt 72 and one second toothed belt 73 constitute a group. Multiple groups of first toothed belts 72 and two second toothed belts 73 are driven by the toothed rings 37 in the multi-row adjustment mechanism 3.

[0052] Each of the multiple storage units 11 is equipped with a temperature sensor and a flashing light. When the temperature sensor detects that the temperature of the battery 100 reaches the first threshold, the temperature sensor controls the cooling device to turn on via a microcontroller. When the temperature sensor detects that the temperature of the battery 100 rises further to the second threshold, the microcontroller controls the flashing light to start flashing, so as to alert the staff that the battery 100 in the storage unit 11 is too hot or has caught fire.

[0053] Working principle of this invention:

[0054] Please see Figure 12As shown in Figure A, multiple batteries 100 are placed in multiple storage units 11. The batteries 100 are attached to the ends of the inner tube 34. When one or more batteries 100 generate heat during placement or charging, a temperature sensor detects that the battery 100 temperature has reached a first threshold and activates the cooling device. The microcontroller controls the power of the cooling device according to the number of temperature sensors triggered. Simultaneously, heat enters the sleeve 33 along the inner tube 34, causing the memory metal spring 36 to contract. The moving tube 32 drives the toothed ring 37 to move and engage with the first toothed belt 72. The slider 42 triggers the first micro-touch switch 45-1, and the motor starts. The first toothed belt 72 drives the moving tube 32 to rotate counterclockwise by a certain angle through the toothed ring 37, so that it fits against the first baffle 43. At this time, the first toothed belt 72 limits the toothed ring 37 to prevent the moving tube 32 from resetting through the torsion spring 35. The inner tube 34 and the first valve tube 311 rotate synchronously, and the air inlet 3111 aligns with the first opening 3121. Cold air enters the storage unit 11 to cool the heated battery 100. The first lever 341 presses down the placement plate 23, thereby causing multiple wind baffles 231 to descend and open multiple exhaust ports 211. The cooled air is discharged along the multiple exhaust ports 211.

[0055] Please see Figure 12 As shown in Figure B, if the temperature of battery 100 exceeds a certain range and rises further, the memory metal spring 36 drives the moving tube 32 to move further. The toothed ring 37 engages with the second toothed belt 73, and the slider 42 triggers the second micro-touch switch 45-2. The second toothed belt 73 drives the moving tube 32 to rotate clockwise by a certain angle through the toothed ring 37, fitting against the second baffle 44. At this time, the second toothed belt 73 limits the toothed ring 37, preventing the moving tube 32 from resetting through the torsion spring 35. The inner tube 34 and the first valve tube 311 rotate synchronously, and the air inlet 3111 aligns with the second opening 3122. The area of ​​the second opening 3122 is larger than that of the first opening 3121, thereby distributing more cold air to the further heated battery 100 to cool it down. At the same time, the inner tube 34 rotates clockwise, the second lever 342 presses down the placement plate 23, and multiple wind baffles 231 descend a certain distance. The multiple wind baffles 231 partially block the multiple exhaust ports 211, increasing the residence time of the cold air in the storage unit 11 to improve the cooling effect on the battery 100. At the same time, the flashing light starts to flash to remind the staff that the battery 100 in the storage unit 11 is abnormally hot.

[0056] If battery 100 spontaneously combusts, the high temperature melts the limiting ring 361, causing the limiting ring 361 to contract with the memory metal spring 36 at the end of the sleeve 33. The toothed ring 37 separates from the second toothed belt 73, and the toothed ring 37 moves to the inclined plate 46. The protrusion 371 climbs along the wall of the inclined plate 46, further driving the toothed ring 37 to rotate 90 degrees clockwise, aligning the carbon dioxide inlet 3112 with the connecting pipe 6. At the same time, the second lever 342 stops pressing down on the placement plate 23, and the multiple wind baffles 231 block the multiple exhaust ports 211 again. Carbon dioxide flows into the storage unit 11 along the connecting pipe 6 and the hose 30 to extinguish the fire in battery 100. The flashing light starts to flash to alert the staff that there is an abnormality in the battery 100 in the storage unit 11.

Claims

1. A battery heat dissipation device for new energy power research and development, comprising: Cabinet (1), placement components (2), adjustment mechanism (3), cold air output pipe (5), power unit (7); characterized in that: the cabinet (1) is composed of multiple storage units (11), and the multiple storage units (11) are respectively provided with placement components (2) and adjustment mechanisms (3); The regulating mechanism (3) includes: a hose (30), a regulating valve (31), a moving tube (32), a sleeve (33), an inner tube (34), a torsion spring (35), a memory metal spring (36), and a gear ring (37). The moving tube (32) is nested within the sleeve (33). One end of the torsion spring (35) is connected to the sleeve (33), and the other end is slidably connected to the moving tube (32). The inner tube (34) passes through the sleeve (33) nested within the moving tube (32). Both ends of the memory metal spring (36) are rotatably connected to the moving tube (32) and the sleeve (33), respectively. The gear ring (37) is set on the moving tube (32). The regulating valve (31) is composed of a first valve tube (311) and a second valve tube (312) rotatably connected. The end of the moving tube (32) extends into the first valve tube (311). The inner tube (34), the moving tube (32), and the first valve tube (311) rotate synchronously. 311) The storage unit (11) is connected through a hose (30). The end face of the first valve pipe (311) is provided with an air inlet (3111). The second valve pipe (312) has a first opening (3121) and a second opening (3122). The area of ​​the first opening (3121) is smaller than that of the second opening (3122). The air inlet (3111) is staggered by 90 degrees with the first opening (3121) and the second opening (3122). The power device (7) drives multiple adjustment mechanisms (3). According to the temperature of the battery (100), the memory metal spring (36) is heated and contracts to different degrees, so as to drive the toothed ring (37) on the moving pipe (32) to move horizontally. When the toothed ring (37) is in different positions, it cooperates with the power device (7) to drive the moving pipe (32) to rotate counterclockwise or clockwise by a certain angle. The cold air output pipe (5) is connected to the second valve pipe (312) through multiple branch pipes (51).

2. The battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The cabinet (1) is provided with a lower cavity (12) below it, and the lower cavity (12) stores high-pressure carbon dioxide.

3. The battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The placement assembly (2) includes: a vertical plate (21), a box body (22), a placement plate (23), and a spring (24). The vertical plate (21) has an exhaust port (211). The box body (22) fixes the vertical plate (21) and is slidably connected to the storage unit (11). The placement plate (23) is slidably placed in the box body (22) and supported by the spring (24). A wind baffle (231) is provided above the placement plate (23). Initially, the wind baffle (231) blocks the exhaust port (211). The stress of the spring (24) is greater than the weight of the battery (100).

4. The battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The inner tube (34) is provided with a first lever (341) and a second lever (342) at its end. The length of the first lever (341) is greater than that of the second lever (342). When the inner tube (34) rotates counterclockwise by a certain angle, the first lever (341) presses down on the placement plate (23), causing the wind baffle (231) to descend and open the exhaust port (211). When the inner tube (34) rotates clockwise by a certain angle, the second lever (342) presses down on the placement plate (23), causing the wind baffle (231) to descend a certain distance and partially block the exhaust port (211).

5. A battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The sleeve (33) is provided with a retaining ring (331) inside, and a limiting ring (361) is provided at the middle of the memory metal spring (36). The limiting ring (361) fits with the retaining ring (331) to restrict the heat contraction of a section of the memory metal spring (36). The limiting ring (361) is made of mixed wax. When the battery (100) spontaneously combusts, it melts the limiting ring (361), thereby the memory metal spring (36) further stretches the moving tube (32), and the toothed ring (37) separates from the power device (7).

6. The battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The toothed ring (37) has multiple spring pieces (372) arranged equidistantly inside. Each of the multiple spring pieces (372) has a friction block (373) at one end facing the moving tube (32). The friction block (373) abuts against the outer wall of the moving tube (32). The friction force between the friction block (373) and the moving tube (32) is greater than the stress of the torsion spring (35). The lower end of the toothed ring (37) is provided with a protrusion (371). The moving tube (32) drives the toothed ring (37) to move horizontally synchronously through two limiting plates.

7. A battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: Each of the multiple storage units (11) is provided with a limiting device (4). The limiting device (4) includes: a mounting plate (41), a slider (42), a first baffle (43), a second baffle (44), a first micro-touch switch (45-1), a second micro-touch switch (45-2), and an inclined plate (46). The first baffle (43) and the second baffle (44) are respectively located at both ends of the mounting plate (41) and are staggered by a certain distance. The protrusion (371) limits the maximum angle of clockwise or counterclockwise rotation of the gear ring (37). An inclined plate (46) is provided on one side of the second baffle (44). When the gear ring (37) moves to the inclined plate, the protrusion (371) climbs along the inclined plate wall, further driving the gear ring (37) to rotate clockwise. The first micro-touch switch (45-1) and the second micro-touch switch (45-2) are arranged in a straight line on the mounting plate (41). The slider (42) is set on the moving tube (32).

8. A battery heat dissipation device for new energy power research and development according to claim 7, characterized in that: The first micro-touch switch (45-1) and the second micro-touch switch (45-2) are used to control the power device (7) to start for a certain period of time. If the power device (7) triggers the first micro-touch switch (45-1) or the second micro-touch switch (45-2) again during the start-up time, the power device (7) will start again after a certain interval.

9. A battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The first valve tube (311) is provided with a carbon dioxide inlet (3112), and a plurality of the first valve tubes (311) are respectively provided with anti-blocking rings (61). The plurality of anti-blocking rings (61) are respectively connected to a connecting pipe (6). The plurality of connecting pipes (6) are connected to the lower cavity (12). The connection between the connecting pipe (6) and the anti-blocking ring (61) is initially staggered by 180 degrees from the carbon dioxide inlet (3112).

10. A battery heat dissipation device for new energy power research and development according to claim 1, characterized in that: The power unit (7) includes: a transmission toothed belt (71), a first toothed belt (72), and a second toothed belt (73). The transmission toothed belt (71) is vertically arranged and connected to a motor. The first toothed belt (72) and the second toothed belt (73) are horizontally arranged and staggered by a certain distance. The cross-sections of the first toothed belt (72) and the second toothed belt (73) have a certain width. The first toothed belt (72) is connected to one end of the transmission toothed belt (71) through a gear, and the second toothed belt (73) is connected to the other end of the transmission toothed belt (71) through another gear. Thus, the rotation directions of the first toothed belt (72) and the second toothed belt (73) are opposite. One first toothed belt (72) and one second toothed belt (73) form a group. Multiple groups of first toothed belts (72) and second toothed belts (73) are used to drive the gear rings (37) in the multi-row adjustment mechanism (3).

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