A lithium battery protection device with heat dissipation function

Abstract

The present invention discloses a lithium battery protection device with a heat dissipation function, which relates to the field of lithium battery technology. The device comprises a compression plate, a hollow frame, a telescopic rain shield, a U-shaped rod, a long rod, a sliding rod, a rotating rod, and a connecting cylinder. The hollow frame is fixedly mounted on the bottom of the inner wall of the chassis, the compression plate is slidably mounted in the hollow openings on the left and right sides of the hollow frame, the top of the hollow frame is provided with a No. 1 chute, the telescopic rain shield is slidably mounted in the No. 1 chute, and No. 2 chute is provided on the left and right sides of the telescopic rain shield. This device can effectively prevent the battery from shifting during use or transportation, reducing the risk of short circuits. The fixed position can also reduce vibration and impact during use of the battery, thereby reducing collisions with foreign objects, thereby reducing the risk of damage to the internal structure of the battery and extending the battery's service life.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium batteries, and in particular to a lithium battery protection device with a heat dissipation function. Background Art

[0002] A lithium battery protection device is a safety mechanism used in battery systems to prevent risks such as overcharging, over-discharging, short circuiting, and overheating.

[0003] The patent with patent announcement number CN214505590U involves a box shell and a box body, wherein a handle is provided on the top of the box shell, a lock is provided on one side of the middle of the box shell, and a lock hole is provided on the other side of the middle of the box shell. A water inlet is provided on the top of the box shell, a cover is provided above the water inlet, and a water tank is provided below the water inlet. A water pipe is fixedly connected to one end of the water tank, a temperature sensor is provided inside the water pipe, a solenoid valve is provided at one end of the water pipe, the solenoid valve is electrically connected to the controller, one end of the water pipe is fixedly connected to the water tank, a door panel is provided at one end of the top of the box shell, a fan is provided on the side of the box shell, and a switch is provided on the outer side of the side of the box shell. This patent uses convection heat dissipation and water cooling heat dissipation methods to dissipate heat for long-term use of lithium batteries, aiming to improve the heat dissipation efficiency of lithium batteries and increase the utilization rate of lithium batteries.

[0004] However, in the above patent, the patent uses convection heat dissipation and water cooling methods to dissipate heat for long-term use of lithium batteries for reuse, aiming to improve the heat dissipation efficiency of lithium batteries and increase the utilization rate of lithium batteries. However, there are still some problems. Lithium batteries are prone to displacement during outdoor movement, which may cause the battery to come into contact with other metal objects, thereby causing a short circuit and increasing the risk of fire or explosion. At the same time, in the absence of a fixing device, users may have great trouble in installing and maintaining the battery, which increases the complexity of the operation. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a lithium battery protection device with a heat dissipation function, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a lithium battery protection device with heat dissipation function, comprising a chassis, a telescopic motor fixedly mounted on the left side of the chassis, a clamping mechanism provided inside the chassis, a drying sheet replacement mechanism provided on the front and rear inner walls of the chassis, a fire prevention mechanism provided on the front and rear inner sides of the chassis, and a No. 3 through slot provided on the left side of the chassis;

[0007] Among them, the clamping mechanism includes a compression plate, a hollow frame, a telescopic rain shield, a U-shaped rod, a long rod, a sliding rod, a rotating rod and a connecting cylinder. The hollow frame is fixedly mounted on the bottom of the inner wall of the chassis, and the compression plate is slidably mounted on the hollow openings on the left and right sides of the hollow frame. The top of the hollow frame is provided with a No. 1 slide groove, and the telescopic rain shield is slidably mounted in the No. 1 slide groove. The left and right sides of the telescopic rain shield are provided with a No. 2 slide groove, and the U-shaped rod is slidably mounted in the No. 2 slide groove. One end of the long rod is fixedly mounted on the end of the U-shaped rod close to the telescopic motor, and one end of the sliding rod is fixedly mounted At the other end of the long rod, one end of the rotating rod is rotatably mounted on the other end of the sliding rod, and the connecting cylinder is rotatably mounted on the other end of the rotating rod. No. 3 slide grooves are opened on the left and right sides of the inner wall of the hollow frame, and the long rod is slidably mounted in the No. 3 slide groove. A No. 5 slide groove is opened at the bottom of the inner wall of the hollow frame, and the sliding rod is slidably mounted in the No. 5 slide groove. When the compression plate moves, the lithium battery moves inward, and when the compression plate moves, the connecting cylinder will be pressed inward. When the connecting cylinder moves, it will drive the rotating rod to move, and when the rotating rod moves, it will drive the sliding rod to move in the No. 5 slide groove.

[0008] According to the above technical solution, the connecting cylinder is in contact with the compression plate, and a rubber soft plate is provided on the side of the compression plate away from the telescopic motor. The output end of the telescopic rain shield is in contact with the U-shaped rod. When the U-shaped rod moves, the limit on the telescopic rain shield is released. When the limit of the telescopic rain shield is released, the output end will bounce outward, providing secondary rain protection for the top to prevent rainwater from falling through the top onto the lithium battery.

[0009] According to the above technical solution, the drying sheet replacement mechanism includes a gear, a column plate, a spare drying plate, a variable drying plate, a cover plate, a connecting column, a slider, a small rod, a long plate, a rack, a baffle, a limiting plate, a slide plate and a closing plate. The column plate is fixedly mounted on the bottom of the inner wall of the chassis, and the gear is rotatably mounted on the top of the column plate on the side close to the hollow frame. A No. 6 slide is provided at the bottom of the inner wall of the chassis, and the spare drying plate is slidably mounted in the No. 6 slide. A No. 7 slide is provided at the bottom of the inner wall of the chassis, and the variable drying plate is slidably mounted in the No. 7 slide. A No. 1 through slot is provided on the front and rear sides of the chassis, and the connecting column is slidably mounted in the No. 1 through slot. The cover plate is fixedly mounted on the side of the connecting column away from the hollow frame, and the connecting column is close to the hollow frame. A No. 2 through slot is provided on one side, and a No. 9 slide slot is provided on the inner side wall of the No. 2 through slot, and the rack is slidably installed in the No. 2 through slot, and a No. 8 slide slot is provided on the plane of the rack, and the slider is slidably installed in the No. 8 slide slot, and the baffle is slidably installed in the No. 9 slide slot, and one end of the long plate is fixedly installed on the front of the baffle, and a tooth slot is provided on the top of the side of the hollow frame close to the gear, and the limiting plate is fixedly installed on the left side of the chassis, and the slide slot plate is fixedly installed on the bottom left side of the chassis, and the closing plate is slidably installed in the slide slot of the slide slot plate, and when the gear rotates, it will drive the rack to move upward in the No. 2 through slot, and when the rack moves upward, it will drive the connecting column to move upward in the No. 1 slide slot, and when the connecting column moves upward, it will drive the cover plate to move upward.

[0010] According to the above technical solution, the gear is engaged with the rack, and a No. 1 spring is provided between the column plate and the spare drying plate. When the variable drying plate moves, the spare drying plate will fill the vacancy of the variable drying plate due to the elastic force of the No. 1 spring.

[0011] According to the above technical solution, a No. 2 spring is provided between the slider and the connecting column, and one end of the small rod is fixedly installed on the other end of the long board. When the limit of the slider is released, it will be pulled out by the elastic force of the No. 2 spring, so that the rack cannot engage with the gear.

[0012] According to the above technical solution, the fire prevention mechanism includes a long column, a gas fire extinguisher, a plate, a switch, a fuse box, a block, an alarm box, a push strip, a card column, a pull column, an alarm flag, a sliding ring, a telescopic bar and an empty box. One end of the long column is fixedly mounted on the other end of the small rod, the plate is fixedly mounted on the bottom of the inner wall of the chassis, the gas fire extinguisher is fixedly mounted on the left side of the plate, the switch is fixedly mounted on the output end of the gas fire extinguisher, the fuse box is fixedly mounted on the bottom of the inner wall of the chassis, the block is fixedly mounted on the bottom of the inner wall of the chassis, the alarm box is fixedly mounted on the front of the chassis, and the card column is fixedly mounted on the other end of the long column. At the end, the push bar is fixedly installed on the side of the card column away from the switch, the pull column is slidably installed on the side of the card column away from the switch, the empty box is fixedly installed on the bottom of the inner wall of the alarm box, the alarm flag is slidably installed on the top of the empty box, the top of the empty box is provided with a No. 10 slide groove, the surface of the alarm flag is provided with an inclined slide groove, the telescopic bar is slidably installed in the inclined slide groove, and the sliding ring is slidably installed in the No. 10 slide groove. When the push bar moves, the telescopic bar on the sliding ring will drive the movement of the telescopic bar, and when the telescopic bar moves, the limit on the alarm flag is released. When the limit of the alarm flag is released, it will move upward due to the elastic force of the No. 4 spring between the empty box.

[0013] According to the above technical solution, a No. 3 spring is provided between the block and the switch, and a fuse is provided inside the alarm box. When the limit of the switch is released, the elastic force of the No. 3 spring will open the switch to extinguish the fire.

[0014] According to the above technical solution, a No. 4 spring is provided between the alarm flag and the empty box, and the sliding ring is in contact with the push bar. When the limit of the alarm flag is released, it will move upward due to the elastic force of the No. 4 spring, thereby giving an early warning to the staff.

[0015] The present invention provides a lithium battery protection device with heat dissipation function. It has the following beneficial effects:

[0016] (1) In this invention, when the hollow frame moves, the compression plate moves. When the compression plate moves, the lithium battery moves inward. When the compression plate moves, the connecting cylinder is pressed inward. When the connecting cylinder moves, the rotating rod moves. By fixing the position of the lithium battery, the battery can be effectively prevented from being displaced during use or transportation, reducing the risk of short circuit. In addition, the fixed position can reduce the vibration and impact of the battery during use and collision with foreign objects, thereby reducing the risk of damage to the internal structure of the battery and extending the service life of the battery.

[0017] (2) In this invention, when the connecting column moves upward, it will drive the cover plate to move upward. When the variable drying plate needs to be replaced, the variable drying plate needs to be pulled out from the No. 3 through slot. When it is pulled out, the spare drying plate will move toward the fan port due to the elastic force of the No. 1 spring. When the lithium battery is in a humid environment, it can effectively prevent moisture from entering the lithium battery, reduce internal circuit short circuits, reduce the risk of fire or explosion, and prevent the presence of moisture from accelerating the corrosion of metal parts inside the battery, thereby preventing battery performance degradation and reducing safety hazards.

[0018] (3) This invention, when the column moves, drives the push bar to move toward the alarm box, and when the push bar moves, drives the telescopic bar on the sliding ring to move, and when the telescopic bar moves, the limit on the alarm flag is released. When the lithium battery fails, overheats or short-circuits and causes a fire, the flame can be quickly extinguished, reducing the risk of casualties and property losses. At the same time, it can also reduce the leakage of harmful substances caused by lithium battery fires and protect the surrounding natural environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the chassis and hollow frame structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the internal structure of the chassis of the present invention;

[0022] Figure 4 This is a schematic diagram of the hollow frame and telescopic rain shield structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the hollow frame and variable drying plate structure of the present invention;

[0024] Figure 6 For the present invention Figure 5 A schematic diagram of the structure of part A in the middle;

[0025] Figure 7 This is a schematic diagram of the structure of the small rod and the fuse box of the present invention;

[0026] Figure 8 For the present invention Figure 7 A magnified schematic diagram of the structure of part B;

[0027] Figure 9 This is a schematic diagram of the warning flag and card column structure of the present invention.

[0028] Figure: 1, chassis; 2, telescopic motor; 301, compression plate; 302, hollow frame; 303, telescopic rain shield; 304, U-shaped rod; 305, long rod; 306, sliding rod; 307, rotating rod; 308, connecting cylinder; 401, gear; 402, column plate; 403, spare drying plate; 404, variable drying plate; 405, cover plate; 406, connecting column; 407, slider; 408, small rod; 409 , long board; 410, rack; 411, baffle; 412, limit plate; 413, slide plate; 414, closing plate; 501, long column; 502, gas fire extinguisher; 503, stop plate; 504, switch; 505, fuse box; 506, stop block; 507, alarm box; 508, push strip; 509, card column; 510, pull column; 511, alarm flag; 512, sliding ring; 513, telescopic strip; 514, empty box. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figures 1-9 A lithium battery protection device with heat dissipation function includes a chassis 1, a telescopic motor 2 is fixedly installed on the left side of the chassis 1, a clamping mechanism is provided inside the chassis 1, a drying sheet replacement mechanism is provided on the front and rear inner walls of the chassis 1, a fire prevention mechanism is provided on the front and rear inner sides of the chassis 1, and a No. 3 through slot is opened on the left side of the chassis 1;

[0031] Among them, the clamping mechanism includes a compression plate 301, a hollow frame 302, a telescopic rain shield 303, a U-shaped rod 304, a long rod 305, a sliding rod 306, a rotating rod 307 and a connecting cylinder 308. The hollow frame 302 is fixedly mounted on the bottom of the inner wall of the chassis 1, and the compression plate 301 is slidably mounted on the hollow openings on the left and right sides of the hollow frame 302. A No. 1 slide is provided on the top of the hollow frame 302, and the telescopic rain shield 303 is slidably mounted in the No. 1 slide. A No. 2 slide is provided on the left and right sides of the telescopic rain shield 303, and the U-shaped rod 304 is slidably mounted in the No. 2 slide. One end of the long rod 305 is fixedly mounted on the end of the U-shaped rod 304 close to the telescopic motor 2. The sliding rod 306 is One end is fixedly mounted on the other end of the long rod 305, one end of the rotating rod 307 is rotatably mounted on the other end of the sliding rod 306, and the connecting cylinder 308 is rotatably mounted on the other end of the rotating rod 307. No. 3 slide grooves are opened on the left and right sides of the inner wall of the hollow frame 302, and the long rod 305 is slidably mounted in the No. 3 slide groove, and a No. 5 slide groove is opened at the bottom of the inner wall of the hollow frame 302, and the sliding rod 306 is slidably mounted in the No. 5 slide groove, which can effectively prevent the battery from being displaced during use or transportation and reduce the risk of short circuit. The fixed position can reduce the vibration and impact of the battery during use and collision with foreign objects, thereby reducing the risk of damage to the internal structure of the battery and extending the service life of the battery.

[0032] The connecting cylinder 308 is in contact with the compression plate 301. A rubber soft plate is provided on the side of the compression plate 301 away from the telescopic motor 2. The output end of the telescopic rain shield 303 is in contact with the U-shaped rod 304. When the U-shaped rod 304 moves, the limit on the telescopic rain shield 303 is released. When the limit of the telescopic rain shield 303 is released, the output end will bounce outward, providing secondary rain protection for the top to prevent rainwater from falling through the top onto the lithium battery.

[0033] The drying sheet replacement mechanism includes a gear 401, a column plate 402, a spare drying plate 403, a variable drying plate 404, a cover plate 405, a connecting column 406, a slider 407, a small rod 408, a long plate 409, a rack 410, a baffle 411, a limiting plate 412, a slide plate 413 and a closing plate 414. The column plate 402 is fixedly mounted on the bottom of the inner wall of the chassis 1, and the gear 401 is rotatably mounted on the top of the column plate 402 on the side close to the hollow frame 302. A No. 6 slide slot is provided at the bottom of the inner wall of the chassis 1, and the spare drying plate 403 is slidably mounted in the No. 6 slide slot. A No. 7 slide slot is provided at the bottom of the inner wall of the chassis 1, and the variable drying plate 404 is slidably mounted in the No. 7 slide slot. A No. 1 through slot is provided on the front and rear sides of the chassis 1, and the connecting column 406 is slidably mounted in the No. 1 through slot. The cover plate 405 is fixedly mounted on the connecting column 406 away from the hollow frame 302. On one side, a No. 2 through slot is provided on the side of the connecting column 406 close to the hollow frame 302, and a No. 9 slide slot is provided on the inner side wall of the No. 2 through slot, the rack 410 is slidably installed in the No. 2 through slot, and a No. 8 slide slot is provided on the plane of the rack 410, the slider 407 is slidably installed in the No. 8 slide slot, the baffle 411 is slidably installed in the No. 9 slide slot, one end of the long plate 409 is fixedly installed on the front of the baffle 411, and a tooth slot is provided on the top of the side of the hollow frame 302 close to the gear 401, the limiting plate 412 is fixedly installed on the left side of the chassis 1, the slide slot plate 413 is fixedly installed on the bottom left side of the chassis 1, and the closing plate 414 is slidably installed in the slide slot of the slide slot plate 413, reducing internal circuit short circuit and reducing the risk of fire or explosion, while preventing the corrosion of the metal parts inside the battery due to the presence of moisture, preventing battery performance degradation and reducing safety hazards.

[0034] The gear 401 is meshed with the rack 410, and a spring No. 1 is provided between the column plate 402 and the spare drying plate 403. When the variable drying plate 404 moves, the spare drying plate 403 will fill the vacancy of the variable drying plate 404 due to the elastic force of the spring No. 1.

[0035] A No. 2 spring is provided between the slider 407 and the connecting column 406. One end of the small rod 408 is fixedly mounted on the other end of the long plate 409. When the limit of the slider 407 is released, it will be pulled out by the elastic force of the No. 2 spring, so that the rack 410 cannot engage with the gear 401.

[0036] The fire prevention mechanism includes a long column 501, a gas fire extinguisher 502, a plate 503, a switch 504, a fuse box 505, a block 506, an alarm box 507, a push bar 508, a card column 509, a pull column 510, an alarm flag 511, a sliding ring 512, a telescopic bar 513 and an empty box 514. One end of the long column 501 is fixedly mounted on the other end of the small rod 408, the plate 503 is fixedly mounted on the bottom of the inner wall of the chassis 1, the gas fire extinguisher 502 is fixedly mounted on the left side of the plate 503, the switch 504 is fixedly mounted on the output end of the gas fire extinguisher 502, the fuse box 505 is fixedly mounted on the bottom of the inner wall of the chassis 1, the block 506 is fixedly mounted on the bottom of the inner wall of the chassis 1, and the alarm box 507 is fixedly mounted on the front of the chassis 1 The card column 509 is fixedly installed at the other end of the long column 501, the push bar 508 is fixedly installed on the side of the card column 509 away from the switch 504, the pull column 510 is slidably installed on the side of the card column 509 away from the switch 504, the empty box 514 is fixedly installed at the bottom of the inner wall of the alarm box 507, the alarm flag 511 is slidably installed on the top of the empty box 514, and a No. 10 slide groove is provided on the top of the empty box 514. An inclined slide groove is provided on the surface of the alarm flag 511. The telescopic strip 513 is slidably installed in the inclined slide groove, and the sliding ring 512 is slidably installed in the No. 10 slide groove, which can quickly extinguish the flame, reduce the risk of casualties and property losses, and also reduce the leakage of harmful substances caused by lithium battery fires and protect the surrounding natural environment.

[0037] A No. 3 spring is provided between the stop block 506 and the switch 504, and a fuse is provided inside the alarm box 507. When the limit of the switch 504 is released, the elastic force of the No. 3 spring will open the switch 504 to extinguish the fire.

[0038] A No. 4 spring is provided between the alarm flag 511 and the empty box 514, and the sliding ring 512 is in contact with the push bar 508. When the limit of the alarm flag 511 is released, it will move upward due to the elastic force of the No. 4 spring, giving an early warning to the staff.

[0039] During operation: place the lithium battery into the hollow frame 302 in the chassis 1, start the telescopic motor 2, and when the telescopic motor 2 is started, the hollow frame 302 will be pushed toward the middle. When the hollow frame 302 moves, the compression plate 301 will be driven to move. When the compression plate 301 moves, the lithium battery moves inward. When the compression plate 301 moves, the connecting cylinder 308 will be pressed inward. When the connecting cylinder 308 moves, the rotating rod 307 will be driven to move. When the rotating rod 307 moves, the sliding rod 306 will be driven to move in the No. 5 slide. When the sliding rod 306 moves, the long rod 305 will be driven to move. When the long rod 305 moves, the U-shaped rod 304 will be driven to move. When the U-shaped rod 304 moves, the limit on the telescopic rain shield 303 will be released. When the limit of the telescopic rain shield 303 is released, the output end will be bounced outward to provide secondary rain protection for the top.

[0040] When the hollow frame 302 moves, it will drive the gear 401 to rotate on the column plate 402. When the gear 401 rotates, it will drive the rack 410 to move upward in the No. 2 slot. When the rack 410 moves upward, it will drive the connecting column 406 to move upward in the No. 1 slot. When the connecting column 406 moves upward, it will drive the cover plate 405 to move upward. When the variable drying plate 404 needs to be replaced, the variable drying plate 404 needs to be pulled out from the No. 3 slot. When being pulled out, the spare drying plate 403 will move toward the fan port due to the elastic force of the No. 1 spring to dry the water vapor at the fan port. When the updated variable drying plate 404 is replaced, the closing plate 414 in the limiting plate 412 will move on the slot plate 413 to close the No. 3 slot to prevent water vapor from entering.

[0041] When the battery catches fire, high temperature will be generated to burn out the fuse in the fuse box 505. When the fuse is burned, the limit on the card column 509 will be released. When the limit on the card column 509 is released, the spring inside the pull column 510 will pull. When the card column 509 moves, it will drive the long column 501 to move. When the long column 501 moves, it will drive the small rod 408 to move. When the small rod 408 moves, it will drive the long plate 409 to move. When the long plate 409 moves, it will drive the blocking piece 411 to move. When the blocking piece 411 moves, the limit on the slider 407 will be released. When the limit of the slider 407 is released, it will be pulled out due to the elastic force of the No. 2 spring. When the slider 407 is pulled out, it will drive the rack 410 to move. When the rack 410 moves, the limit on the connecting column 406 will be released. The connecting column 406 will move downward, and when the connecting column 406 moves downward, it will drive the cover 405 to move, blocking the air outlet. When the card column 509 moves, it will drive the push bar 508 to move toward the alarm box 507. When the push bar 508 moves, it will drive the telescopic bar 513 on the sliding ring 512 to move. When the telescopic bar 513 moves, the limit on the alarm flag 511 is released. When the limit of the alarm flag 511 is released, it will move upward due to the elastic force of the No. 4 spring between it and the empty box 514. When the card column 509 moves, the position limit of the switch 504 will be released. When the limit of the switch 504 is released, it will open due to the elastic force of the No. 3 spring between it and the block 506. The gas fire extinguisher 502 cannot cause secondary damage to the internal battery because it is fixed to the block 503.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery protection device with heat dissipation function, comprising a chassis (1), characterized in that: A telescopic motor (2) is fixedly mounted on the left side of the chassis (1), a clamping mechanism is provided inside the chassis (1), a drying sheet replacement mechanism is provided on the front and rear inner walls of the chassis (1), a fire prevention mechanism is provided on the front and rear inner sides of the chassis (1), and a No. 3 through slot is provided on the left side of the chassis (1); The clamping mechanism comprises a compression plate (301), a hollow frame (302), a telescopic rain shield (303), a U-shaped rod (304), a long rod (305), a sliding rod (306), a rotating rod (307) and a connecting cylinder (308), wherein the hollow frame (302) is fixedly mounted on the bottom of the inner wall of the chassis (1), the compression plate (301) is slidably mounted on the hollow openings on the left and right sides of the hollow frame (302), a No. 1 slide groove is provided on the top of the hollow frame (302), the telescopic rain shield (303) is slidably mounted in the No. 1 slide groove, the No. 2 slide groove is provided on the left and right sides of the telescopic rain shield (303), and the U-shaped rod (304) is slidably mounted on the left and right sides of the hollow frame (302). Mounted in the No. 2 chute, one end of the long rod (305) is fixedly mounted on one end of the U-shaped rod (304) close to the telescopic motor (2), one end of the sliding rod (306) is fixedly mounted on the other end of the long rod (305), one end of the rotating rod (307) is rotatably mounted on the other end of the sliding rod (306), and the connecting cylinder (308) is rotatably mounted on the other end of the rotating rod (307). The inner wall of the hollow frame (302) is provided with a No. 3 chute on both sides, and the long rod (305) is slidably mounted in the No. 3 chute. The inner wall bottom of the hollow frame (302) is provided with a No. 5 chute, and the sliding rod (306) is slidably mounted in the No. 5 chute.

2. The lithium battery protection device with heat dissipation function according to claim 1, characterized in that: The connecting cylinder (308) contacts the compression plate (301), a rubber soft plate is provided on a side of the compression plate (301) away from the telescopic motor (2), and the output end of the telescopic rain shield (303) contacts the U-shaped rod (304).

3. The lithium battery protection device with heat dissipation function according to claim 2, characterized in that: The drying plate replacement mechanism comprises a gear (401), a column plate (402), a spare drying plate (403), a variable drying plate (404), a cover plate (405), a connecting column (406), a slider (407), a small rod (408), a long plate (409), a rack (410), a baffle (411), a limiting plate (412), a slide plate (413) and a closing plate (414), wherein the column plate (402) is fixedly mounted on the bottom of the inner wall of the chassis (1). The gear (401) is rotatably mounted on the top of the column plate (402) near the hollow frame (302). The bottom of the inner wall of the chassis (1) is provided with a sixth chute. The spare drying plate (403) is slidably mounted in the sixth chute. The bottom of the inner wall of the chassis (1) is provided with a seventh chute. The variable drying plate (404) is slidably mounted in the seventh chute. The front and rear sides of the chassis (1) are provided with a first through slot. The connecting column (406) is slidably mounted in the seventh chute. The cover plate (405) is fixedly mounted on the side of the connecting column (406) away from the hollow frame (302), and the connecting column (406) is provided with a second through slot on the side close to the hollow frame (302). A ninth slide groove is provided on the inner side wall of the second through slot. The rack (410) is slidably mounted in the second through slot. The plane of the rack (410) is provided with an eighth slide groove, and the slider (407) is slidably mounted in the eighth slide groove. The baffle (411) is slidably mounted in the No. 9 slide groove, one end of the long plate (409) is fixedly mounted on the front of the baffle (411), a tooth groove is provided on the top of the side of the hollow frame (302) close to the gear (401), the limiting plate (412) is fixedly mounted on the left side of the chassis (1), the slide plate (413) is fixedly mounted on the bottom left side of the chassis (1), and the closing plate (414) is slidably mounted in the slide groove of the slide plate (413).

4. The lithium battery protection device with heat dissipation function according to claim 3, characterized in that: The gear (401) is meshed with the rack (410), and a spring No. 1 is provided between the column plate (402) and the spare drying plate (403).

5. The lithium battery protection device with heat dissipation function according to claim 4, characterized in that: A No. 2 spring is provided between the slider (407) and the connecting column (406), and one end of the small rod (408) is fixedly mounted on the other end of the long plate (409).

6. The lithium battery protection device with heat dissipation function according to claim 5, characterized in that: The fire prevention mechanism comprises a long column (501), a gas fire extinguisher (502), a plate (503), a switch (504), a fuse box (505), a block (506), an alarm box (507), a push bar (508), a clamping column (509), a pull column (510), an alarm flag (511), a sliding ring (512), a telescopic bar (513) and an empty box (514), one end of the long column (501) is fixedly mounted on the other end of the small rod (408), the plate (503) is fixedly mounted on the bottom of the inner wall of the chassis (1), the gas fire extinguisher (502) is fixedly mounted on the left side of the plate (503), the switch (504) is fixedly mounted on the output end of the gas fire extinguisher (502), the fuse box (505) is fixedly mounted on the bottom of the inner wall of the chassis (1), the block (5 06) is fixedly mounted on the bottom of the inner wall of the chassis (1), the alarm box (507) is fixedly mounted on the front of the chassis (1), the card column (509) is fixedly mounted on the other end of the long column (501), the push bar (508) is fixedly mounted on the side of the card column (509) away from the switch (504), the pull column (510) is slidably mounted on the side of the card column (509) away from the switch (504), the empty box (514) is fixedly mounted on the bottom of the inner wall of the alarm box (507), the alarm flag (511) is slidably mounted on the top of the empty box (514), a No. 10 slide groove is opened on the top of the empty box (514), an inclined slide groove is opened on the surface of the alarm flag (511), the telescopic strip (513) is slidably mounted in the inclined slide groove, and the sliding ring (512) is slidably mounted in the No. 10 slide groove.

7. The lithium battery protection device with heat dissipation function according to claim 6, characterized in that: A No. 3 spring is provided between the stop block (506) and the switch (504), and a fuse is provided inside the alarm box (507).

8. The lithium battery protection device with heat dissipation function according to claim 7, characterized in that: A No. 4 spring is provided between the alarm flag (511) and the empty box (514), and the sliding ring (512) is in contact with the push bar (508).

Images