Lithium battery storage device

Abstract

A lithium battery storage device comprises a box body used for containing lithium batteries and further comprises a cover plate and a storage basket. The box body comprises an upper box body and a lower box body, and fire extinguishing reagents are contained at the bottoms of the upper box body and the lower box body; the cover plate is arranged on the lower box body, and the upper box body is arranged on the cover plate; hanging lugs are arranged below the cover plate; hanging pieces are arranged on the upper edge of the storage basket, the hanging pieces are connected with the hanging lugs through connecting pieces, and the storage basket is arranged in the lower box body in a suspended mode. According to the explosion-proof fire extinguishing box, the upper box body and the lower box body are both filled with fire extinguishing reagents, fire extinguishing can be carried out on lithium batteries in the storage baskets, double explosion-proof fire extinguishing is achieved, and the safety is high; the fusible piece can be replaced at any time after being burnt out, the whole box body can be used for a long time, and the later maintenance investment is small; the structure is simple, the explosion-proof and fire-extinguishing effects are good, the cost is low, and economic pressure cannot be caused to users; the single battery is stored, the continuous explosion probability is reduced, and the safety performance is improved.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery storage technology, specifically a lithium battery storage device that can achieve explosion-proof and fire-proof performance. Background Technology

[0002] Electric vehicles have become a common mode of transportation, but the lithium batteries in them pose significant safety risks. Misuse or cell aging can lead to performance degradation, and improper charging can cause fires and explosions. Therefore, the safety of lithium battery storage is a crucial concern for users.

[0003] For example, the Chinese utility model patent "Fireproof and Fire-extinguishing Lithium Battery Storage Device (Announcement No.: CN 219323806U)" discloses a solution where the storage device is a cabinet with several storage compartments inside. Fireproof cloth for fire extinguishing is installed on the sides of each compartment. The fireproof cloth is unfolded by springs connected by fusible links. In the event of a fire, the temperature rises, the fusible link breaks, the springs retract, the fireproof cloth unfolds, and a seal is achieved. A temperature alarm then activates the fire sprinkler heads to extinguish the fire. In this solution, multiple storage compartments are placed inside the cabinet, which can store multiple batteries at once, but this doubles the safety risks. Although the fireproof cloth can isolate compartments where a fire may occur, storing multiple batteries simultaneously in the cabinet means that if the fireproof cloth is not properly sealed, it will cause a larger fire, potentially leading to multiple batteries burning and exploding simultaneously.

[0004] In addition, this type of storage device has fire sprinkler heads installed on each compartment, which requires additional piping layout, making it complex and costly, and unsuitable for ordinary users to use in their homes. Utility Model Content

[0005] This utility model addresses the technical deficiencies of existing technologies by providing a lithium battery storage device that is simple in structure, highly safe, low in cost, and capable of achieving dual explosion-proof and fire-extinguishing capabilities.

[0006] To achieve the above technical objectives, the technical solution adopted by this utility model is: a lithium battery storage device, including a box for holding lithium batteries, and also including a cover plate and a storage basket;

[0007] The box includes an upper box and a lower box, and the bottom of the upper box and the lower box contains fire extinguishing agents;

[0008] The cover plate is disposed on the lower box body, and the upper box body is placed on the cover plate;

[0009] The cover plate is provided with a hanging ear; the upper edge of the storage basket is provided with a hanging piece, which is connected to the hanging ear by a connector, and the storage basket is suspended inside the lower box.

[0010] As a preferred technical solution: the top of the cover plate is provided with a groove for placing the upper box; the bottom of the cover plate is provided with an overlap for covering the lower box; the cover plate is provided with a plurality of water outlets, and sealing valves are installed on the water outlets.

[0011] As a preferred technical solution: the sealing valve includes a sealing valve cover, a support plate, a connecting column, a main spring, and a fusible sheet lifting assembly; the sealing valve cover is set on the outlet of the cover plate, the support plate is placed below the cover plate, the connecting column is provided below the sealing valve cover, the connecting column passes downward through the outlet and the support plate, and is connected to the fusible sheet lifting assembly; the main spring is sleeved on the connecting column.

[0012] As a preferred technical solution: support rods are provided on both sides of the connecting column, the lower end of the support rod passes through the support plate and is fixed with a fixing nut, and a secondary spring is sleeved on the support rod.

[0013] As a preferred technical solution: the fusible link support assembly includes a fusible link, uprights and support bolts; the two uprights are fixedly connected side by side to the bottom of the support plate, the support bolts pass through the two uprights, the lower part of the fusible link is sleeved on the support bolts, and the upper end of the fusible link is fixedly connected to the lower end of the connecting column.

[0014] As a preferred technical solution, the connecting component between the hanging plate and the hanging ear is one of a hook, a connecting rope, or a bolt.

[0015] As a preferred technical solution: the bottom plate and / or side walls of the storage basket are perforated plates.

[0016] As a preferred technical solution: the hanging piece is a fusible piece, and the lower part of the hanging piece is fixed to the side wall of the storage basket by a connector; the upper part of the hanging piece is provided with a through hole for connection with the connector.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. Both the upper and lower boxes contain fire extinguishing agents, which can extinguish the lithium batteries in the storage basket. It has dual explosion-proof fire extinguishing and high safety.

[0019] 2. The fusible link can be replaced at any time after it is burned out, and the entire housing can be used for a long time with low maintenance investment.

[0020] 3. It has a simple structure, good explosion-proof fire extinguishing effect, and low cost, so it will not put economic pressure on users;

[0021] 4. Individual battery storage reduces the chance of multiple explosions and improves safety performance. Attached Figure Description

[0022] Figure 1 This is an exploded view of the overall structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the overall structure of the sealing valve in this utility model.

[0024] Figure 3 This is a cross-sectional structural diagram of the sealing valve in this utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the central storage basket of this utility model.

[0026] Figure 5 This is a schematic diagram of the cross-section of the cover plate in this utility model (the water outlet is not shown).

[0027] In the diagram: 1. Upper box body, 2. Cover plate, 3. Storage basket, 4. Lower box body, 5. Window, 6. Hanging plate, 7. Hanging lug, 8. Sealing valve. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] The lithium battery storage device disclosed in this utility model includes a housing for holding lithium batteries, a cover plate 2, and a storage basket 3. The housing includes an upper housing 1 and a lower housing 4, with fire extinguishing agent, preferably water, placed at the bottom of the upper housing 1 and the lower housing 4. Wheels can be installed on the bottom surface of the lower housing according to actual usage needs. The cover plate 2 is positioned on top of the lower housing 4, and the upper housing 1 is placed on top of the cover plate 2. A hanging lug 7 is provided below the cover plate 2; a hanging piece 6 is provided on the storage basket 3, and the hanging piece 6 is connected to the hanging lug 7 via a connector, allowing the storage basket 3 to be suspended inside the lower housing 4. The cover plate 2 has a groove 2-1 on its upper surface for placing the upper housing 1; an overlap 2-2 is provided on its lower surface for covering the lower housing 4; and several water outlets 2-3 are provided on the cover plate, with sealing valves 8 installed on the water outlets 2-3.

[0030] As a preferred embodiment, the upper box 1 includes four side walls, has no top or bottom, and can be used as a water-viewing vessel such as a fish tank or underwater landscape. The four side walls of the upper box fall into the grooves 2-1 on the cover plate 2. The upper box and the cover plate are sealed to prevent leakage, and the cover plate and the lower box are also sealed.

[0031] In another preferred embodiment, the sealing valve 8 includes a sealing valve cover 8-1, a support plate 8-4, a connecting column 8-5, a main spring 8-9, and a fusible link support assembly. The sealing valve cover 8-1 is positioned on the outlet 2-3 of the cover plate 2. The support plate 8-4 is located below the cover plate 2. The connecting column 8-5 is positioned below the sealing valve cover 8-1, passing downwards through the outlet 2-3 and the support plate 8-4, with its lower end connected to the fusible link support assembly. The main spring 8-9 is fitted onto the connecting column 8-5. Support rods 8-3 are positioned on both sides of the connecting column 8-5. The lower ends of the support rods 8-3 pass through the support plate 8-4 and are fixed with fixing nuts 8-10. A secondary spring 8-2 is fitted onto the support rods 8-3.

[0032] The fusible link support assembly includes a fusible connecting piece 8-6, upright plates 8-8, and support bolts 8-7. The two upright plates 8-8 are fixedly connected side by side to the underside of the support plate 8-4. The support bolts 8-7 pass through the lower parts of the two upright plates. The lower part of the fusible connecting piece 8-6 is sleeved on the support bolts 8-7. The upper end of the fusible connecting piece 8-6 is fixedly connected to the lower end of the connecting column 8-5.

[0033] In another preferred embodiment, one or more sets of hanging plates 6 and hanging ears 7 are respectively installed on the box body and the storage basket. The hanging plate 6 is located on the upper edge of the storage basket, and the lower part of the hanging plate 6 is fixed to the storage basket by bolts or the like. The hanging ears 7 are fixedly installed under the cover plate. The hanging plate 6 and the hanging ears 7 are aligned vertically. The connecting component between the hanging plate 6 and the hanging ears 7 is one of a hook, a connecting rope, or a bolt. Mounting holes for connection are provided at the near ends of the hanging plate and the hanging ears. If the box body is relatively small, the hanging plate and the hanging ears are directly connected by bolts; if the box body is relatively large, the hanging plate and the hanging ears are connected by a hook or a connecting rope. The hook can also be an adjustable telescopic hook.

[0034] The hanging plate is made of fusible link. When the lithium battery in the storage basket catches fire, the temperature reaches the melting point of the fusible link, causing it to break. The storage basket, along with the lithium battery, falls into the water at the bottom of the lower compartment, effectively extinguishing the fire. If the water in the lower compartment is insufficient to extinguish the open flame of the battery, the fusible link support assembly under the cover plate will also melt. The main spring release connecting column will lift the sealing valve cover at the bottom of the upper compartment, opening the water outlet. Water from the upper compartment will fall into the lower compartment to completely submerge the lithium battery for fire extinguishing. If the lithium battery only produces smoke without open flame, and the air pressure in the lower compartment is high, the sealing valve cover will push upward, compressing the secondary spring. The support plate will then move upward, opening the water outlet. The high-pressure smoke will be filtered and released by the water, preventing fire and ensuring personal and environmental safety.

[0035] In another preferred embodiment, the bottom plate and / or side walls of the storage basket are perforated plates. The holes in the storage basket are mainly for ventilation and water inlet.

[0036] In actual use, the inner wall of the lower enclosure is coated with fire-retardant material. For easy battery access, a window is provided on the side of the lower enclosure, with a sealing strip at the window. The window is opened and sealed via a latch. A sensor is installed inside the lower enclosure and connected to an alarm installed outside the enclosure. Once the alarm conditions are met, the alarm is activated.

Claims

1. A lithium battery storage device, comprising a housing for holding lithium batteries, characterized in that, It also includes a cover and a storage basket; The box includes an upper box and a lower box, and the bottom of the upper box and the lower box contains fire extinguishing agents; The cover plate is disposed on the lower box body, and the upper box body is placed on the cover plate; The cover plate is provided with a hanging ear; the upper edge of the storage basket is provided with a hanging piece, which is connected to the hanging ear by a connector, and the storage basket is suspended inside the lower box.

2. The lithium battery storage device according to claim 1, characterized in that, The cover plate has a groove on its upper surface for placing the upper box; the cover plate has an overlap on its lower surface for covering the lower box; the cover plate has several water outlets, and sealing valves are installed on the water outlets.

3. The lithium battery storage device according to claim 2, characterized in that, The sealing valve includes a sealing valve cover, a support plate, a connecting column, a main spring, and a fusible link support assembly; The sealing valve cover is installed on the outlet of the cover plate, the support plate is placed below the cover plate, and a connecting column is provided below the sealing valve cover. The connecting column passes downward through the outlet and the support plate and is connected to the fusible sheet support assembly; a main spring is sleeved on the connecting column.

4. The lithium battery storage device according to claim 3, characterized in that, Support rods are installed on both sides of the connecting column. The lower end of the support rod passes through the support plate and is fixed with a fixing nut. A secondary spring is sleeved on the support rod.

5. The lithium battery storage device according to claim 3, characterized in that, The fusible sheet support assembly includes a fusible connecting sheet, upright plates, and support bolts; two upright plates are fixedly connected side by side to the bottom of the support plate, the support bolts pass through the two upright plates, the lower part of the fusible connecting sheet is sleeved on the support bolts, and the upper end of the fusible connecting sheet is fixedly connected to the lower end of the connecting column.

6. The lithium battery storage device according to claim 1, characterized in that, The connector between the hanging plate and the hanging ear is one of the following: hook, connecting rope, or bolt.

7. The lithium battery storage device according to claim 1, characterized in that, The bottom plate and / or side walls of the storage basket are perforated plates.

8. The lithium battery storage device according to claim 1, characterized in that, The hanging plate is a fusible piece, and the lower part of the hanging plate is fixed to the side wall of the storage basket by a connector; the upper part of the hanging plate is provided with a through hole for connection with the connector.

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