Lithium battery risk processing device

Abstract

The utility model relates to the technical field of lithium battery processing equipment, in particular to a lithium battery risk processing device. According to the utility model, a plurality of partition plates are arranged in the battery box to form a plurality of independent compartments, the independent compartments can prevent other batteries from being influenced when a single battery goes wrong, the electric control fire extinguisher can extinguish the fire battery in the first time, and the exhaust pipe can timely exhaust harmful gas and heat generated by the combustion of the battery, so that the service life of the battery is prolonged. More serious accidents caused by accumulation of gas and heat in the box are avoided, and the transfer safety and the storage safety of defective goods are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery processing equipment technology, specifically a lithium battery risk treatment device. Background Technology

[0002] Currently, some defective products are unavoidable during the production of lithium batteries for electric vehicles. When the production system detects these defective products, they are usually collected and recycled. Meanwhile, to further investigate the causes of these defects, researchers select a portion of the collected defective products and send them to a laboratory for disassembly and analysis.

[0003] During the transfer of defective products, because the laboratory and the battery recycling point are not far apart, and in order to increase the transportation speed, researchers would collect the selected defective products together in a battery box and then transport them to the laboratory using a trolley. While this centralized and unisolated transfer method is indeed convenient and fast, it poses significant safety risks in actual operation.

[0004] During transport, even if the batteries collide with each other due to shaking, there will be no spontaneous combustion or explosion caused by chemical heating. However, for defective products damaged due to volume collisions, although their appearance may be intact, their internal chemical substances may be extremely unstable. If they are shaken or collided during transport, there is a high probability of spontaneous combustion or even explosion. Furthermore, because defective products are not isolated and placed in the same battery box, a chain reaction can occur, where a single fire can ignite multiple points of combustion, leading to even greater damage.

[0005] During routine research, researchers temporarily store potentially hazardous batteries in laboratory battery boxes for easy access. These laboratory boxes are the same as those used during transport—the batteries are placed together without any separation. This storage method also poses certain safety risks. Researchers conduct various experiments on the batteries during their studies. These experiments could potentially cause the internal chemicals of the batteries to become abnormally reactive, leading to spontaneous combustion or even explosion when stored in the battery box, triggering a chain reaction of fires.

[0006] This shows that the current battery box has poor risk resistance and therefore needs further improvement. Utility Model Content

[0007] To avoid and overcome the technical problems existing in the prior art, this utility model provides a lithium battery risk handling device. This utility model can effectively improve the safety of defective product transportation.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A lithium battery risk management device includes a battery box with multiple partitions installed inside. The partitions cooperate with each other to divide the inside of the battery box into multiple independent compartments for storing batteries. Each compartment is equipped with an electronically controlled fire extinguisher and an exhaust pipe that connects to the outside.

[0010] As a further embodiment of this utility model: the partition includes a horizontal partition that is placed horizontally inside the battery box and divides the battery box into an upper cavity and a lower cavity. Multiple vertical partitions are installed in the lower cavity, arranged sequentially along the length of the horizontal partition to divide the lower cavity into multiple compartments. Each compartment is equipped with an openable and closable compartment door on the battery box body.

[0011] As a further improvement of this utility model: a release pipe with an exhaust end extending out of the battery box is installed in the upper cavity, and each exhaust pipe is connected to the release pipe.

[0012] As a further improvement of this utility model: each electric fire extinguisher is installed in the upper cavity, and the detection end and release end of each electric fire extinguisher are installed in each compartment.

[0013] As a further improvement of this utility model: thermally conductive copper sheets are installed on the inner walls of each compartment, thermally conductive copper plates are installed on the inner bottom surface of the battery box, and heat-dissipating aluminum plates are installed on the outer bottom surface of the battery box, and the thermally conductive copper sheets, thermally conductive copper plates, and heat-dissipating aluminum plates are connected in a sequential manner from top to bottom for thermal conduction.

[0014] As a further embodiment of this utility model: multiple heat dissipation aluminum fins are installed on the lower surface of the heat dissipation aluminum plate, and a first heat dissipation groove is formed between adjacent heat dissipation aluminum fins.

[0015] As a further improvement of this utility model: each heat dissipation aluminum fin is arranged vertically, and multiple second heat dissipation grooves are evenly formed on the lower edge of each heat dissipation aluminum fin along its length direction.

[0016] As a further improvement of this utility model, each heat sink copper sheet is coated with a thermally conductive silicone layer on its inner surface.

[0017] As a further improvement of this utility model: the battery box is covered with a cover, and an annular strip is protruding on the cover surface at the top of the battery box, and an annular groove for the annular strip to be inserted is opened on the cover surface.

[0018] As a further improvement of this utility model, a support foot is installed at each of the four corners of the bottom of the battery box.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This utility model forms multiple independent compartments by setting multiple partitions inside the battery box. The independent compartments can prevent the problem of a single battery from affecting other batteries. The electronically controlled fire extinguisher can extinguish the fire of the burning battery in the first instance. The exhaust pipe can promptly discharge the harmful gases and heat generated by the battery combustion, avoiding the accumulation of gases and heat in the box and causing more serious accidents. This greatly improves the safety of defective product transportation and storage.

[0021] 2. A horizontal partition divides the battery box into upper and lower chambers. The lower chamber is further subdivided into compartments by vertical partitions, with operable doors at the corresponding compartment locations. This facilitates individual management and maintenance of the batteries within each compartment. Simultaneously, this layered and compartmentalized design enhances the isolation between batteries, improving overall safety.

[0022] 3. A release pipe is installed in the upper cavity and connected to each exhaust pipe, which can guide the gas discharged from each compartment to the outside, effectively avoiding the local accumulation of gas around the battery box, reducing the harm to the surrounding environment and personnel, and further ensuring the safety of the transportation environment.

[0023] 4. The electric fire extinguisher is installed in the upper chamber, with the detection end and release end placed inside the compartment. This ensures the stability of the fire extinguisher itself, allows the detection end to quickly detect any abnormalities in the battery inside the compartment, and enables the release end to promptly and accurately extinguish the fire on the battery, thus improving the timeliness and effectiveness of fire extinguishing.

[0024] 5. Thermally conductive copper sheets, thermally conductive copper plates, and heat-dissipating aluminum plates are installed on the inner wall of the compartment, the inner bottom surface and the outer bottom surface of the battery box, respectively, forming a thermal conduction connection. This can quickly conduct away the heat generated by the battery, preventing the battery from malfunctioning or becoming dangerous due to overheating, and effectively improving the stability and safety of the battery during transportation.

[0025] 6. Multiple heat dissipation fins are installed on the lower surface of the heat dissipation aluminum plate to form the first heat dissipation groove, significantly increasing the heat dissipation area. This allows for more efficient dissipation of heat conducted from inside the battery box into the surrounding air, further enhancing the heat dissipation effect and helping to maintain the battery within a suitable temperature range, reducing the risks caused by excessive temperature.

[0026] 7. The heat sink aluminum fins are arranged vertically with multiple secondary heat dissipation slots on the lower edge. This design further optimizes the heat dissipation path. Under the influence of gravity, hot air can more easily rise along the heat sink aluminum fins and be quickly discharged through the secondary heat dissipation slots, enhancing air convection, improving heat dissipation efficiency, and better ensuring the safe operation of the battery.

[0027] 8. The inner surface of the heat sink copper sheet is coated with a thermally conductive silicone layer, which can enhance the heat transfer effect between the heat sink copper sheet and the battery, so that the heat generated by the battery can be transferred to the heat sink copper sheet more smoothly, and then conducted away through the subsequent heat conduction structure, thereby improving the performance of the entire heat dissipation system.

[0028] 9. The battery box and its cover are sealed together using annular strips and grooves. This sealed design effectively prevents external dust, moisture, and other impurities from entering the battery box. This avoids short circuits or other malfunctions caused by impurities, further improving the safety and stability of the battery during transportation.

[0029] 10. Install support feet at the four corners of the bottom of the battery box to create a certain space between the battery box and the surface it is placed on. This allows for air circulation at the bottom of the battery box, aiding in heat dissipation; it also prevents the battery box from directly contacting the ground, avoiding corrosion caused by damp ground and extending the lifespan of the device. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0031] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0032] Figure 3 This is a schematic diagram of the heat dissipation mechanism of this utility model.

[0033] Figure 4 This is a schematic diagram of the circuit connection module of this utility model.

[0034] In the diagram: 1. Battery box; 11. Partition; 11a. Horizontal partition; 2. Box cover; 3. Control module; 4. Support foot; 5. Mounting hole; 6. Compartment; 7. Battery; 8. Mounting compartment; 9. Annular strip; 10. Sealing ring; 11. Exhaust mechanism; 111. Exhaust pipe; 112. Release pipe; 113. Filter device; 114. Exhaust port; 12. One-way valve; 13. Alarm; 14. Pressure sensor; 15. Thermally conductive silicone layer; 16. Electrically controlled fire extinguisher; 17. Heat dissipation mechanism; 171. Thermally conductive copper plate; 172. Thermally conductive copper sheet; 173. Heat dissipation aluminum plate; 174. Heat dissipation aluminum sheet; 18. First heat dissipation groove; 19. Second heat dissipation groove; 20. Pressure relief valve. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Please see Figures 1-4The present invention includes a battery box 1, and multiple partitions 11 are installed inside the battery box 1. The partitions 11 include a horizontal partition 11a that is placed horizontally inside the battery box 1 and divides the battery box 1 into an upper cavity and a lower cavity. The upper cavity forms an installation compartment 8, and the lower cavity has multiple compartments 6 inside.

[0037] Multiple vertical partitions 11b are installed in the lower cavity, arranged sequentially along the length of the transverse partition 11a to divide the lower cavity into multiple compartments 6. Each battery box 1, opposite to each compartment 6, has an openable door. A pressure relief valve 20 is installed at the upper end of the battery 7 placed in the compartment 6. A certain number of electrically controlled fire extinguishers 16 are installed in the installation compartment 8, with both the release and detection ends of the fire extinguishers 16 extending into the compartment 6. An exhaust mechanism 11 is also provided in the installation compartment 8. The exhaust mechanism 11 includes multiple exhaust pipes 111 that pass through the transverse partition 111 and communicate with each compartment 6. Each exhaust pipe 111 communicates with a release pipe 112 fixedly installed in the installation compartment 8. The right end of the release pipe 112 extends through the installation compartment 8. One end of the release pipe 112 is connected to a commonly used gas filtration device 113, which can filter combustible gases. The filtered gas is discharged through an exhaust port 114. In order to prevent the combustible gas from flowing backwards, a one-way valve 12 is installed in each exhaust pipe 111.

[0038] The compartment 6 is also equipped with a heat dissipation mechanism 17, which includes a heat-conducting copper plate 171, which is located on the inner bottom surface of the battery box 1. The upper end of the heat-conducting copper plate 171 is fixedly mounted on a heat-conducting copper sheet 172, which is located on the inner side of the compartment 6. The lower end of the heat-conducting copper plate 171 is fixedly mounted on a heat-dissipating aluminum plate 173, which is located on the outer bottom surface of the battery box 1. A heat-dissipating aluminum fin 174 is mounted on the lower surface of the heat-dissipating aluminum plate 173. A second heat dissipation groove 19 is formed on the lower edge of the heat-dissipating aluminum fin 174, and a first heat dissipation groove 18 is formed between adjacent heat-dissipating aluminum fins 174. Through the second heat dissipation groove 19 and the first heat dissipation groove 18, the heat-dissipating aluminum fin 174 can be ventilated and dissipated in the front-back and left-right directions, thereby improving the heat dissipation efficiency. The thermally conductive copper plate 171 can conduct heat generated by the battery 7. Based on the excellent thermal conductivity of copper, the heat is quickly transferred to the heat dissipation aluminum plate 173 connected to the lower end of the thermally conductive copper plate 171. Based on the excellent heat dissipation performance of aluminum, the heat can be quickly dissipated through the heat dissipation aluminum fins 174 on the heat dissipation aluminum plate 173, reducing the risk of the battery 7 overheating and spontaneously combusting.

[0039] A thermally conductive silicone layer 15 is coated on the inner side of the thermally conductive copper sheet 172. By adding a thermally conductive silicone layer 15 to the inner side of the thermally conductive copper sheet 172, the thermal conductivity can be further improved. At the same time, the silicone has a certain elasticity, which reduces the shaking amplitude of the battery and weakens the possible chemical reaction intensity, so as to better fit and conduct heat with the battery 7.

[0040] A cover 2 is fixedly installed on the upper end of the battery box 1. A control module 3 is fixedly installed on the upper end of the cover 2. A pressure sensor 14 is fixedly installed inside the mounting compartment 8, and the sensing end of the pressure sensor 14 extends into the compartment 6. An annular strip 9 is fixedly installed on the upper end of the battery box 1. The battery box 1 is connected to the lower end of the cover 2 via the annular strip 9. A sealing ring 10 is glued to the upper end of the annular strip 9. By adding an annular strip 9 with a sealing ring 10 to the battery box 1, it is convenient to seal the battery box 1 and the cover 2. Support feet 4 are symmetrically welded on both the left and right sides of the battery box 1. Mounting holes 5 are opened on the inner side of the support feet 4. By welding support feet 4 with mounting holes 5 to the left and right sides of the battery box 1, it is convenient to install and fix the battery box 1.

[0041] In use, the batteries 7 are placed from the door into the compartments 6 within the battery box 1, ensuring that the batteries 7 in each compartment 6 do not interfere with each other. Therefore, if one battery 7 malfunctions, it will not cause cascading damage to the other batteries 7. When the internal balance of the batteries 7 is disrupted, the pressure relief valve 20 opens, releasing the flammable gas. At this time, the pressure sensor 14 detects the change in pressure in the compartment 6 and transmits the signal to the control module 3. The control module 3 controls the electric fire extinguisher 16 to extinguish the fire in the battery 7 in the compartment 6. Simultaneously, the flammable gas, under pressure, enters the release pipe 112 through the exhaust pipe 111. One end of the release pipe 112 is connected to a filter device 113, which filters the flammable gas. After filtration, the gas is discharged through the exhaust port 114, ensuring the gas is safely released into the air. The thermally conductive copper plate 171 can conduct heat generated by the battery 7. Based on the excellent thermal conductivity of copper, the heat is quickly transferred to the heat dissipation aluminum plate 173 connected to the lower end of the thermally conductive copper plate 171. Based on the excellent heat dissipation performance of aluminum, the heat can be quickly dissipated through the heat dissipation aluminum fins 174 on the heat dissipation aluminum plate 173.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A lithium battery risk handling apparatus, characterized by, The battery box (1) is internally provided with a plurality of partitions (11) which cooperate with each other to divide the battery box (1) into a plurality of separate compartments (6) for storing batteries (7), and each compartment (6) is internally provided with an electrically controlled fire extinguisher (16) and an exhaust pipe (111) which communicates with the outside.

2. The lithium battery risk handling device of claim 1, wherein, The partition (11) comprises a horizontal partition (11a) horizontally arranged in the battery box (1) and dividing the battery box (1) into an upper cavity and a lower cavity, a plurality of vertical partitions (11b) arranged in the lower cavity along the length direction of the horizontal partition (11a) to divide the lower cavity into a plurality of compartments (6), and a compartment door which is openable and closable and is arranged at the box body of the battery box (1) opposite to each compartment (6).

3. A lithium battery risk handling device according to claim 2, wherein, The upper cavity is internally provided with a release pipe (112) whose exhaust end extends out of the battery box (1), and each exhaust pipe (111) communicates with the release pipe (112).

4. A lithium battery risk handling device according to claim 3, wherein, Each electrically controlled fire extinguisher (16) is arranged in the upper cavity, and the detection end and the release end of each electrically controlled fire extinguisher (16) are arranged in each compartment (6).

5. A lithium battery risk handling device according to any one of claims 1-4, characterized in that, Each compartment (6) is internally provided with a heat-conducting copper sheet (172) on the inner wall surface of the lateral side, the battery box (1) is internally provided with a heat-conducting copper plate (171) on the bottom surface, and the battery box (1) is externally provided with a heat-dissipating aluminum plate (173) on the bottom surface, and the heat-conducting copper sheet (172), the heat-conducting copper plate (171) and the heat-dissipating aluminum plate (173) are sequentially and heat-conductively connected from top to bottom.

6. A lithium battery risk handling device according to claim 5, wherein, The heat-dissipating aluminum plate (173) is internally provided with a plurality of heat-dissipating aluminum sheets (174), and the first heat-dissipating grooves (18) are formed between adjacent heat-dissipating aluminum sheets (174).

7. A lithium battery risk handling device according to claim 6, wherein, Each heat-dissipating aluminum sheet (174) is vertically arranged, and a plurality of second heat-dissipating grooves (19) are evenly arranged on the lower edge of each heat-dissipating aluminum sheet (174) along the length direction.

8. A lithium battery risk handling device according to claim 7, characterized in that, The inner side surface of each heat-dissipating copper sheet is coated with a heat-conducting silica gel layer (15).

9. A lithium battery risk handling device according to claim 8, wherein, The battery box (1) is provided with a box cover (2), the top surface of the battery box (1) is provided with an annular strip (9), and the top surface of the box cover (2) is provided with an annular groove for embedding the annular strip (9).

10. A lithium battery risk handling device according to claim 9, wherein, Each corner of the bottom of the battery box (1) is provided with a support leg (4).

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