Battery pack safe disassembly platform

Abstract

A battery pack safety disassembly platform, including a support frame, a support platform is fixedly installed on the top of the support frame, a work platform is arranged on the middle of the top of the work platform, the work platform is arranged upwardly protruding, a battery pack drop opening is arranged on the middle of the top of the work platform, support plates for cooperating with the battery pack are hingedly arranged on the two sides of the battery pack drop opening, electromagnetic locks for mutual cooperation are installed on the end of the support plates, the bottom of the support plate is fixedly connected with the support frame through a reset spring; side baffles are fixedly installed on the support frame around the support platform, so as to form a safety chamber in the support frame below the support platform, a fire extinguishing groove is arranged in the safety chamber directly below the work platform, and fire extinguishers are installed on the support frame around the fire extinguishing groove. The application is convenient for manual disassembly operation of the battery pack, can realize separation of the battery pack and the personnel in emergency, and can quickly extinguish the battery pack.

Description

Technical Field

[0001] This utility model relates to the field of automotive disassembly technology, and in particular to a battery pack safety disassembly platform. Background Technology

[0002] With the rapid development of the global new energy vehicle industry, more and more new energy vehicles need to be scrapped and recycled for various reasons. As the core power source of new energy vehicles, the dismantling and recycling of battery packs is equally crucial. Traditional dismantling methods mainly rely on manual or semi-automated equipment, which poses certain safety hazards: the complex structure of battery packs (such as multi-layer modules, liquid cooling systems, BMS control units, etc.) makes precise dismantling difficult. During the dismantling process, abnormal states such as short circuits and overcharging may cause thermal runaway, leading to safety accidents. Especially during manual dismantling, if the battery pack catches fire, it is difficult for personnel to evacuate quickly, and it is also difficult to extinguish a fire in the battery pack, posing a significant safety hazard. Utility Model Content

[0003] The technical problem to be solved by this utility model is to address the shortcomings of the existing technology by providing a battery pack safety disassembly platform that facilitates manual disassembly of the battery pack, enables separation of the battery pack from personnel in emergency situations, and allows for rapid fire extinguishing of the battery pack.

[0004] The technical problem to be solved by this utility model is achieved through the following technical solution. This utility model is a battery pack safety disassembly platform, including a support frame. A horizontally arranged support platform is fixedly installed on the top of the support frame. A working platform for placing the battery pack is set in the middle of the top of the working platform. The working platform is raised upward. A battery pack drop-out is set in the middle of the top of the working platform. Support plates for cooperating with the battery pack are hinged on both sides of the battery pack drop-out. Electromagnetic locks for mutual cooperation are installed at the ends of the support plates. The bottom of the support plates is fixedly connected to the support frame through a return spring. Side baffles are fixedly installed on the support frame around the support platform to form a safety chamber in the support frame below the support platform. A fire extinguishing tank for holding the battery pack is set in the safety chamber directly below the working platform. Fire extinguishers are installed on the support frame around the fire extinguishing tank. The nozzles of the fire extinguishers are all oriented towards the middle of the fire extinguishing tank. A sealed door for easy access to the safety chamber is installed on one of the side baffles.

[0005] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: for the battery pack safety disassembly platform described above, the height of the working platform protruding upward from the support platform is 80-120cm.

[0006] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: For the battery pack safety disassembly platform described above, the switches of the electromagnetic lock and the fire extinguisher are both located on the side of the work platform.

[0007] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: for the battery pack safety disassembly platform mentioned above, the fire extinguisher is a hexafluoropropane fire extinguisher or a heptafluoropropane fire extinguisher.

[0008] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: for the battery pack safety disassembly platform described above, a layer of sand is provided at the bottom of the fire extinguishing tank to cooperate with the battery pack.

[0009] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: for the battery pack safety disassembly platform described above, a transparent observation window is provided on the sealed door.

[0010] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: For the battery pack safety disassembly platform described above, an exhaust port is also provided on one of the side baffles, and the exhaust port is connected to a flue gas dust removal device through an exhaust pipe.

[0011] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: For the battery pack safety disassembly platform described above, a groove is provided at the bottom of the fire extinguishing tank to facilitate cooperation with an external forklift.

[0012] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: For the battery pack safety disassembly platform mentioned above, the working platform and the fire extinguishing tank are both rectangular in shape.

[0013] The technical problem to be solved by this utility model can also be further achieved through the following technical solution: for the battery pack safety disassembly platform described above, a staircase is installed on the support frame on one side of the support platform to facilitate workers going up and down the support platform.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. The working platform of this utility model adopts a raised structure design, which, together with the support plates hinged to both sides of the battery pack drop opening, forms a load-bearing surface that can be flexibly opened and closed. During disassembly, the support plates are firmly locked by electromagnetic locks to provide stable support for the battery pack and prevent shaking or displacement during disassembly. The electromagnetic lock is linked with the reset spring, and the support plates can be automatically flipped after power failure or unlocking, eliminating the need for manual operation and greatly reducing labor intensity.

[0016] 2. In an emergency, the electromagnetic lock unlocks, and the battery pack loses the support of the support plate. Under the action of gravity, it falls into the fire extinguishing tank below through the drop hole, achieving physical isolation between personnel and the battery pack. At the same time, the support plate is reset under the action of the reset spring, so that the closed safety chamber formed by the side baffle and the support frame can limit the explosion range of the battery pack, prevent high-temperature fragments or electrolyte splashes from injuring people, and ensure personal safety.

[0017] 3. This utility model is equipped with multiple fire extinguishers. After the battery pack falls into the fire extinguishing tank, the fire extinguishers can be activated quickly. Together with the fire extinguishing tank, they form a fully enclosed fire extinguishing field for the battery pack, effectively extinguishing open flames and suppressing reignition, thus greatly improving fire extinguishing efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a top view of the structure of the working platform of this utility model. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] Reference Figure 1-2 A battery pack safety disassembly platform includes a support frame 1, which serves as the main support and can be welded from high-strength steel structure. The bottom is installed to the ground by anchor bolts to ensure reliability.

[0022] A horizontally arranged support platform 2 is fixedly installed on the top of the support frame 1 to provide a working space for manual disassembly of the battery pack. It can be made of anti-slip steel plate with embossed surface treatment to increase friction. The railings 7 are welded around the perimeter to ensure safety. A staircase 8 is installed on the support frame 1 on one side of the support platform 2 to facilitate workers to go up and down the support platform 2.

[0023] A working platform 3 for placing battery packs is provided at the middle of the top of the working platform 3. The working platform 3 is convex upward so that the placed battery packs are higher than the supporting platform 2 by a certain height, so as to facilitate the disassembly of the battery packs by workers. Preferably, the height of the working platform 3 protruding upward from the supporting platform 2 is 80-120cm.

[0024] A battery pack drop-out is provided in the middle of the top of the work platform 3. Support plates 4 for cooperating with the battery pack are hinged to both sides of the drop-out. Electromagnetic locks 5 for cooperating with the battery pack are installed at the ends of the support plates 4. The bottom of the support plates 4 is fixedly connected to the support frame 1 through a return spring 6. The battery pack drop-out is designed to allow the battery pack to fall naturally in an emergency, quickly moving it away from the worker and ensuring safety. The support plates 4 are used to support the battery pack during normal operation. The electromagnetic locks 5 are used to lock or release the support plates 4 as needed to achieve the support and release of the battery pack. The return spring 6 is designed to keep the support plates 4 in a horizontal position when there is no force, so that the electromagnetic locks 5 can lock them.

[0025] Side baffles 16 are fixedly installed on the support frame 1 around the support platform 2 to form a safety chamber in the support frame 1 below the support platform 2, so as to confine the battery pack falling and burning process in an independent space and prevent high temperature and toxic gas from spreading to the workshop; a fire extinguishing tank 9 for receiving the battery pack is set in the safety chamber directly below the work platform 3, and a sand layer 11 for cooperating with the battery pack is set at the bottom of the fire extinguishing tank 9, which can absorb the impact of the battery pack falling and also play a fireproof and cooling role for the battery pack;

[0026] To facilitate fire extinguishing of the battery pack in emergency situations, fire extinguishers 10 are installed on the support frames 1 around the fire extinguishing tank 9. The nozzles of the fire extinguishers 10 are all oriented towards the center of the fire extinguishing tank 9, so that the extinguishing agent can be sprayed into the fire extinguishing tank 9 from all sides after activation, achieving all-round fire extinguishing operation and ensuring safety. Preferably, the fire extinguishers 10 are hexafluoropropane fire extinguishers 10 or heptafluoropropane fire extinguishers 10.

[0027] To facilitate the removal of the battery pack after fire extinguishing, a sealed door 13 is installed on one of the side baffles 16 to facilitate entry and exit of the safety chamber. A groove 12 is provided at the bottom of the fire extinguishing tank 9 to facilitate cooperation with an external forklift. Preferably, a transparent observation window 14 is provided on the sealed door 13 to facilitate observation of the interior of the safety chamber from the outside.

[0028] In practical applications, an exhaust port is also provided on one of the side baffles 16. The exhaust port is connected to a flue gas dust removal device through an exhaust pipe 15 to discharge the flue gas generated in the safety chamber of the battery pack to the flue gas dust removal device for treatment before being discharged. This ensures the safety of the workshop and avoids environmental pollution. The switches 17 of the electromagnetic lock 5 and the fire extinguisher 10 are both located on the side of the work platform 3, which makes it convenient for workers to quickly switch the electromagnetic lock 5 and the fire extinguisher 10 in an emergency. The work platform 3 and the fire extinguishing tank 9 are both rectangular in shape.

[0029] This utility model provides a safe battery pack disassembly platform, the actual working process of which is as follows:

[0030] 1. Hoist the battery pack to be disassembled onto the support plate 4 at the work platform 3, and then manually climb onto the support platform 2 to disassemble the battery pack;

[0031] During disassembly, the disassembly personnel can move 360° along the work platform 3 via the support platform 2, which facilitates the disassembly operation;

[0032] 2. In an emergency (such as when the battery pack short-circuits and smokes or catches fire), the dismantling personnel quickly close the electromagnetic lock 5. The support plate 4 loses its locking force, and the battery pack loses the support force of the support plate 4. Under the action of gravity, it falls from the battery pack into the safety chamber and into the fire extinguishing tank 9.

[0033] At the same time, the support plate 4 returns to its original position under the action of the reset spring 6, thus sealing the opening where the battery panel fell.

[0034] 3. After the battery pack falls into the fire extinguishing tank 9, activate the fire extinguisher 10 to spray the fire extinguishing agent into the fire extinguishing tank 9 to extinguish the fire on the battery pack. At the same time, turn on the smoke removal device to extract the smoke from the safety chamber.

[0035] 4. Dismantling personnel descend from support platform 2 to the ground and observe the fire extinguishing status of the battery pack through a transparent viewing window;

[0036] 5. After the fire is extinguished, the sealed door 13 can be opened, and the fire extinguishing tank 9 can be lifted out using a forklift. The battery pack can then be removed for further disassembly.

Claims

1. A battery pack safe disassembly platform, characterized in that: The system includes a support frame, with a horizontally positioned support platform fixedly installed on top of the support frame. A working platform for placing battery packs is located in the center of the top of the working platform, protruding upwards. A battery pack drop-out opening is located in the center of the top of the working platform. Support plates for cooperating with the battery packs are hinged to both sides of the drop-out opening. Electromagnetic locks for mutual cooperation are installed at the ends of the support plates. The bottom of the support plates is fixedly connected to the support frame via a return spring. Side baffles are fixedly installed on the support frame around the support platform to form a safety chamber within the support frame below the support platform. A fire extinguishing trough for receiving battery packs is located within the safety chamber directly below the working platform. Fire extinguishers are installed on the support frame around the fire extinguishing trough, with the nozzles of the fire extinguishers all facing the center of the fire extinguishing trough. A sealed door for easy access to the safety chamber is installed on one of the side baffles.

2. The battery pack safe disassembly platform of claim 1, wherein: The working platform protrudes upwards from the support platform by 80-120cm.

3. The battery pack safe disassembly platform of claim 1, wherein: The switches for the electromagnetic lock and fire extinguisher are both located on the side of the work platform.

4. The battery pack safety disassembly platform of claim 1 or 3, wherein: The fire extinguisher is a hexafluoropropane fire extinguisher or a heptafluoropropane fire extinguisher.

5. The battery pack safety disassembly platform of claim 1, wherein: A layer of sand is installed at the bottom of the fire extinguishing tank to work with the battery pack.

6. The battery pack safety disassembly platform of claim 1, wherein: A transparent observation window is provided on the sealed door.

7. The battery pack safety disassembly platform of claim 1, wherein: An exhaust port is also provided on one of the side baffles, and the exhaust port is connected to a flue gas dust removal device through an exhaust pipe.

8. The battery pack safe disassembly platform of claim 1, wherein: The bottom of the fire extinguishing tank has a groove to facilitate cooperation with external forklifts.

9. The battery pack safety disassembly platform of claim 1 or 8, wherein: The work platform and fire extinguishing tank are both rectangular in shape.

10. The battery pack safety disassembly platform of claim 1, wherein: A staircase is installed on the support frame on one side of the support platform to facilitate workers going up and down the support platform.

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