A fire brine tank for safe production of lithium batteries

By designing an automated fire-fighting brine tank and utilizing support frames and lifting cooling equipment, the safety hazards of excessive battery temperature rise and fire during lithium battery production have been resolved, achieving rapid and safe battery cooling and ensuring production safety and product quality.

CN116159263BActive Publication Date: 2025-09-12ZHEJIANG HANGKE TECH
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Patent Information

Application Number
CN202310034038.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-10
Publication Date
2025-09-12
Estimated Expiration
2043-01-10

AI Technical Summary

Technical Problem

In the existing lithium battery production process, if the battery temperature rises too high or catches fire, manual handling is cumbersome and there is a risk of re-ignition, affecting production safety and product quality.

Method used

A fire brine tank is designed, which includes a support frame, lifting cooling equipment and a control device. The detection sensor and controller automatically control the cylinder to drive the tray lifting platform to quickly lower the battery into the brine tank for isolation and cooling.

Benefits of technology

It achieves automatic, safe and effective battery cooling in emergency situations, reduces safety hazards, simplifies operations, ensures production safety and improves product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a fire brine tank for the safe production of lithium batteries, comprising: a support frame, comprising an upper frame, a lower frame and a support column, which are arranged parallel and spaced apart, the support column being provided with a vertically arranged linear slide rail, and the linear slide rail being slidably provided with a sliding connector; a lifting cooling device, arranged in the support frame, comprising a height adjustment mechanism and a brine tank body, the height adjustment mechanism comprising a cylinder, an axle, a pulley, a conveyor belt and a pallet lifting support platform, the cylinder being vertically arranged on the support frame; the pulley being rotatably arranged on the axle; one end of the transmission belt being connected to the support frame and the other end being connected to the pallet lifting support platform; the pallet lifting support platform being slidably arranged on the linear slide rail; the brine tank body being movably arranged at the bottom of the support frame; and a control device, comprising a controller and a detection sensor, which is connected to the controller, the detection sensor and the cylinder. The beneficial effect of the present invention is that it can automatically cool down the battery and extinguish a fire.
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Description

Technical Field

[0001] The invention relates to a fire-fighting salt water tank for the safe production of lithium batteries, belonging to the field of logistics and transportation. Background Art

[0002] In the current lithium battery processing industry, batteries often experience excessive temperature rise and fire during the production process. However, manual handling is usually required in the existing production process. However, manual handling is cumbersome and prone to re-ignition, which affects the entire production process, reduces product quality, and seriously affects the personal safety of operators. Therefore, in order to solve this safety hazard and ensure safe production in the workshop, a fire water tank is needed to quickly and safely isolate and cool the battery. Summary of the Invention

[0003] In order to solve the above problems, the present invention proposes a fire brine tank for the safe production of lithium batteries, which is simple to operate, has a good cooling effect, and does not require manual operation.

[0004] The fire brine tank for safe production of lithium batteries according to the present invention is characterized by comprising:

[0005] The support frame includes an upper frame, a lower frame and support columns that are parallel and spaced apart from each other. The upper frame is provided with a top plate, and the bottom of the lower frame is provided with a plurality of support legs. The upper frame and the lower frame are connected by a plurality of support columns. The support columns are provided with vertically arranged linear slide rails, and the linear slide rails are slidably provided with sliding connectors.

[0006] The lifting cooling device is arranged in a support frame, and includes a height adjustment mechanism and a brine tank body. The height adjustment mechanism includes a cylinder, an axle, a pulley, a conveyor belt and a pallet lifting support platform. The cylinder is vertically arranged on the support frame, and the floating joint of the cylinder is connected to the axle; the pulley is rotatably arranged on the end of the axle; the transmission belt is an open-loop conveyor belt, and the conveyor belt passes around the pulley from above, one end is connected to the support frame, and the other end is connected to the pallet lifting support platform, which is used to pull the pallet lifting support platform vertically up and down; the pallet lifting support platform is connected to the slide rail in a sliding manner through corresponding sliding connectors; the brine tank body is movably arranged at the bottom of the support frame, and the brine tank body has a cooling chamber with an open top, which is used to isolate and cool the batteries dropped into the brine tank;

[0007] And a control device, including a controller and a detection sensor. The detection sensor is set on the support column. The signal output end of the detection sensor is connected to the controller, and the detection head of the detection sensor is aligned with the pallet lifting support platform; the signal output end of the controller is connected to the control end of the cylinder, which is used to control the movement of the cylinder to drive the pallet lifting support platform to rise or fall.

[0008] Preferably, the brine tank body is installed on the bottom of the support frame in a pull-out manner.

[0009] Preferably, the tray lifting support platform is located above the brine tank body, and includes a tray support plate and a support frame. The outer edge of the tray support plate is provided with several sliding connectors, and the sliding connectors can be slidably set on the corresponding linear slide rails to achieve sliding cooperation between the tray support plate and the linear slide rails; the top of the tray support plate is detachably equipped with a support frame; the support frame is connected to one end of the transmission belt through a sliding connector.

[0010] Preferably, a pair of first guide rails parallel to each other and spaced apart are provided on the upper surface of the tray support plate; a pair of second guide rails parallel to each other and spaced apart are provided at the bottom of the two opposite frame edges of the support frame, and the first guide rails and the second guide rails are slidably plugged together.

[0011] Preferably, the first guide rail and the second guide rail are both slender structures made of C-profile, and the C-profile has a top surface, a bottom surface and a side surface connecting the top surface and the bottom surface, and the top surface, the bottom surface and the side surface form a slender groove with a laterally open side; the opening of the slender groove of the first guide rail is opposite to the opening of the corresponding slender groove of the second guide rail.

[0012] Preferably, handles are provided on both sides of the top of the brine tank body.

[0013] A lithium battery production and detection system includes charging and discharging equipment and a stacker, and is characterized in that it also includes the fire brine tank, and the controller of the fire brine tank is connected to the charging and discharging equipment and the stacker.

[0014] The main functions of the controller of the present invention are: 1. judging whether the pallet lifting platform is in a high position to judge whether the stacker is allowed to put the pallet in; 2. judging whether the pallet has entered the pallet lifting platform correctly; judging whether the pallet lifting platform can perform the lifting action.

[0015] The working process of the present invention is as follows: if the battery temperature rises too high or catches fire during the production process, the charging and discharging equipment will trigger an alarm, and the detection sensor of the fire brine tank will start to detect the position of the pallet lifting platform and send the detected position signal to the controller. The controller determines whether the pallet lifting platform is in a high position. If the pallet lifting platform is in a high position, the controller sends an action instruction to the stacker, allowing the stacker to put in the pallet, and the stacker transfers the entire pallet of dangerous batteries to the pallet lifting platform; at this time, the detection sensor continues to detect whether the pallet on the pallet lifting platform is in place, and sends the detection ... receives the pallet and sends the detection signal to the controller. The position signal determines whether the pallet is in place. If the pallet is in place, the controller sends an execution command to the cylinder, and the cylinder begins to descend, driving the wheel shaft and the pulley to descend synchronously. As the pulley descends, the pallet lifting support platform connected by the conveyor belt descends. During the entire descent process, the pallet lifting support platform slides with the linear slide rail through the sliding connection. Therefore, it can be ensured that the pallet lifting support platform can be smoothly and quickly lowered into the brine tank body, thereby isolating and cooling the batteries placed in the pallet, which plays a safety protection role. After the cooling is completed, the cylinder rises to a high position, and the stacker transfers the cooled pallet and batteries to the production line.

[0016] The beneficial effects of the present invention are: it can cope with fire isolation in emergency situations when batteries in charging and discharging equipment catch fire, which can not only safely and effectively deal with emergencies that occur, but also reduce safety hazards in the process. It has a simple structure and is easy to use, and can automatically cool the battery and extinguish the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present invention.

[0018] Figure 2 It is a front view of the present invention.

[0019] Figure 3 It is a rear view of the present invention.

[0020] Figure 4 It is a left side view of the present invention.

[0021] Figure 5 It is a right side view of the present invention.

[0022] Figure 6 It is a left side view of the present invention.

[0023] Figure 7 It is a three-dimensional structural diagram of the present invention. DETAILED DESCRIPTION

[0024] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not used to limit the embodiment of the present invention.

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0028] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0029] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0030] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0032] The fire brine tank for safe production of lithium batteries according to the present invention comprises:

[0033] The support frame 1 includes an upper frame 11, a lower frame 12 and support columns 13 that are parallel and spaced apart. The upper frame 11 is provided with a top plate 111, and the bottom of the lower frame 12 is provided with a plurality of support legs 121. The upper frame 11 and the lower frame 12 are connected by a plurality of support columns 13. The support columns 13 are provided with vertically arranged linear slide rails 14, and the linear slide rails 14 are slidably provided with sliding connectors 15.

[0034] The lifting cooling device 2 is arranged in the support frame 1, and includes a height adjustment mechanism 22 and a brine tank body 21. The height adjustment mechanism 22 includes a cylinder 221, a wheel shaft 222, a pulley 223, a conveyor belt 224 and a tray lifting support platform 225. The cylinder 221 is vertically arranged on the support frame 1, and the floating joint of the cylinder 221 is connected to the wheel shaft 222; the pulley 223 is rotatably arranged at the end of the wheel shaft 222; the conveyor belt 224 is an open-loop conveyor belt, and the conveyor belt 22 4 is passed around the pulley 223 from above and tightened, one end of which is connected to the support frame 1 and the other end is connected to the tray lifting support platform 225, which is used to pull the tray lifting support platform 225 vertically up and down; the tray lifting support platform 225 is connected to the linear slide rail 14 in a sliding manner through the corresponding sliding connection 15; the brine tank body 21 is movably arranged in the accommodating space, and the brine tank body 21 has a cooling chamber with an open top, which is used to isolate and cool the batteries lowered into the brine tank;

[0035] And the control device 4 includes a controller 42 and a detection sensor 41. The detection sensor 41 is arranged on the support column 13. The signal output end of the detection sensor 41 is connected to the controller. The detection head of the detection sensor 41 is aligned with the pallet lifting support platform 225. The controller is built into the control device 4. The signal output end of the controller is connected to the control end of the cylinder 221, which is used to control the movement of the cylinder 221 to drive the pallet lifting support platform 225 to rise or fall.

[0036] In some embodiments of the present invention, the upper frame 11 and the lower frame 12 are both rectangular frames, and the support columns 13 are arranged on the four corners of the upper frame 11 and the lower frame 12, and the support columns 13 are perpendicular to the upper frame 11 and the lower frame 12.

[0037] In some embodiments of the present invention, a connecting beam 131 is provided between two adjacent support columns 13, and the cylinder 221 is vertically fixed to the connecting beam 131. Linear guide rails 14 are provided on the support columns 13 on both sides of the cylinder 221, which mainly serve as guides, allowing the tray lifting platform 225 to slide freely along the linear guide rails 14.

[0038] In other embodiments of the present invention, the axle 222 is horizontally arranged above the cylinder 221, and the middle part of the axle 222 is connected to the floating joint of the cylinder 221, and the two ends of the axle 222 are rotatably mounted with pulleys 223, each pulley 223 is equipped with a conveyor belt 224, one end of the conveyor belt 224 is connected to the connecting beam 131 through a sliding connection 2253, and the other end is connected to the pallet lifting support platform 225 through a sliding connection 2253.

[0039] In some embodiments of the present invention, the brine tank body 21 is installed at the bottom of the support frame 1 in a pull-out manner, and the top opening of the brine tank body 21 is larger than the tray lifting support platform 225, so that the entire tray lifting support platform 225 can fall into the cooling chamber of the brine tank body 21 without hindrance.

[0040] In some embodiments of the present invention, the tray lifting support platform 225 is located above the brine tank body 21, and includes a tray support plate 2251 and a support frame 2252. The outer edge of the tray support plate 2251 is provided with several sliding connectors 2253 for connection. The sliding connectors 2253 can be slidably arranged on the corresponding linear slide rails 14 to achieve sliding cooperation between the tray support plate 2251 and the linear slide rails 14; the top of the tray support plate 2251 is detachably equipped with a support frame 2252; the support frame 2252 is connected to one end of the conveyor belt 224 through the sliding connector 2253.

[0041] In some embodiments of the present invention, a pair of first guide rails 2254 that are parallel to each other and spaced apart are provided on the upper surface of the tray support plate 2251; a pair of second guide rails 2255 that are parallel to each other and spaced apart are provided at the bottom of the two opposite frame edges of the support frame 2252, and the first guide rails 2254 and the second guide rails 2255 are slidably plugged together.

[0042] In some embodiments of the present invention, the first guide rail 2254 and the second guide rail 2255 are both slender structures made of C-profiles, and the C-profiles have a top surface, a bottom surface, and a side surface connecting the top surface and the bottom surface, and the top surface, the bottom surface, and the side surface form a slender groove with a laterally open side; the opening of the slender groove of the first guide rail 2254 is opposite to the opening of the corresponding slender groove of the second guide rail 2255.

[0043] In some embodiments of the present invention, handles 211 are provided on both sides of the top of the brine tank body 21 .

[0044] A lithium battery production and detection system comprises a charging and discharging device, a stacker and the fire brine tank, wherein a controller of the fire brine tank is connected to the charging and discharging device and the stacker.

[0045] The main functions of the controller of the present invention are: 1. judging whether the pallet lifting platform is in a high position to judge whether the stacker is allowed to put the pallet in; 2. judging whether the pallet has entered the pallet lifting platform correctly; judging whether the pallet lifting platform can perform the lifting action.

[0046] The working process of the present invention is as follows: if the battery temperature rises too high or catches fire during the production process, the charging and discharging equipment will trigger an alarm, and the detection sensor of the fire brine tank will start to detect the position of the pallet lifting platform and send the detected position signal to the controller. The controller determines whether the pallet lifting platform is in a high position. If the pallet lifting platform is in a high position, the controller sends an action instruction to the stacker, allowing the stacker to put in the pallet, and the stacker transfers the entire pallet of dangerous batteries to the pallet lifting platform; at this time, the detection sensor continues to detect whether the pallet on the pallet lifting platform is in place, and sends the detection .... The received position signal is used to determine whether the pallet is in place. If the pallet is in place, the controller sends an execution command to the cylinder, and the cylinder begins to descend, driving the wheel axle and pulley to descend synchronously. As the pulley descends, the pallet lifting support platform connected by the conveyor belt descends. During the entire descent process, the pallet lifting support platform slides with the linear slide rail through the sliding connector, so that the pallet lifting support platform can be smoothly and quickly lowered into the brine tank, thereby isolating and cooling the batteries placed in the pallet, playing a safety protection role. After the cooling is completed, the cylinder rises to a high position, and the stacker transfers the cooled batteries to the production line.

[0047] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A fire brine tank for safe production of lithium batteries, characterized in that: include: A support frame (1) comprises an upper frame (11), a lower frame (12) and a support column (13) which are parallel and spaced apart from each other, the upper frame (11) being provided with a top plate (111), the bottom of the lower frame (12) being provided with a plurality of support legs (121), a plurality of support columns (13) being connected between the upper frame (11) and the lower frame (12), the support column (13) being provided with a vertically arranged linear slide rail (14), and the linear slide rail (14) being slidably provided with a sliding connector (15); The lifting cooling device (2) is arranged in the support frame (1), and includes a height adjustment mechanism (22) and a brine tank body (21). The height adjustment mechanism (22) includes a cylinder (221), an axle (222), a pulley (223), a conveyor belt (224) and a tray lifting support platform (225). The cylinder (221) is vertically arranged on the support frame (1), and the floating joint of the cylinder (221) is connected to the axle (222); the pulley (223) is rotatably arranged at the end of the axle (222); the conveyor belt (224) is an open-loop conveyor belt. The conveyor belt (224) passes over the pulley (223) from above, one end of which is connected to the support frame (1) and the other end of which is connected to the tray lifting support platform (225), and is used to pull the tray lifting support platform (225) vertically up and down; the tray lifting support platform (225) is connected to the linear slide rail (14) in a sliding manner through a corresponding sliding connection (15); the brine tank body (21) is movably arranged at the bottom of the support frame (1), and the brine tank body (21) has a cooling chamber with an open top, which is used to isolate and cool the batteries dropped into the brine tank; and a control device (4), comprising a controller (42) and a detection sensor (41), wherein the detection sensor (41) is disposed on the support column (13), a signal output end of the detection sensor (41) is connected to the controller, and a detection head of the detection sensor (41) is aligned with the tray lifting support platform (225); the signal output end of the controller is connected to the control end of the cylinder (221), and is used to control the movement of the cylinder (221) to drive the tray lifting support platform (225) to rise or fall; The brine tank body (21) is installed on the bottom of the support frame (1) in a pull-out manner; The tray lifting support platform (225) is located above the brine tank body (21), and includes a tray support plate (2251) and a support frame (2252). The outer edge of the tray support plate (2251) is provided with a plurality of sliding connectors (2253) for connection. The sliding connectors (2253) are slidably arranged on the corresponding linear slide rails (14) to achieve sliding cooperation between the tray support plate (2251) and the linear slide rails (14). The top of the tray support plate (2251) is detachably provided with a support frame (2252). The support frame (2252) is connected to one end of the conveyor belt (224) through the sliding connector (2253). A pair of first guide rails (2254) are provided on the upper surface of the tray support plate (2251) and are arranged parallel to each other and spaced apart; a pair of second guide rails (2255) are provided on the bottoms of the two opposite frame edges of the support frame (2252) and are arranged parallel to each other and spaced apart, and the first guide rails (2254) and the second guide rails (2255) are slidably plugged together.

2. A fire brine tank for safe production of lithium batteries according to claim 1, characterized in that: The first guide rail (2254) and the second guide rail (2255) are both slender structures made of C-profiles, and the C-profiles have a top surface, a bottom surface, and a side surface connecting the top surface and the bottom surface, and the top surface, the bottom surface and the side surface form a slender groove with a side opening; the opening of the slender groove of the first guide rail (2254) is opposite to the opening of the corresponding slender groove of the second guide rail (2255).

3. A fire brine tank for safe production of lithium batteries according to claim 2, characterized in that: Handles (211) are provided on both sides of the top of the brine tank body (21).

Citation Information

Patent Citations

  • Fire-fighting brine tank for safety production of lithium battery

    CN219501888U