A flexible energy storage battery storage device

Abstract

The utility model relates to the technical field of storage rack, and disclose a kind of flexible energy storage battery storage equipment, including the upper and lower parallel distribution of multiple bearing plates, and between two adjacent bearing plates are supported and fixed by multiple support rods, the upper end surface of bearing plate is equipped with assembly slot, the upper end surface of bearing plate is provided with the battery storage assembly of sliding assembly with assembly slot, the quantity of battery storage assembly is multiple and evenly arranged along the length direction of assembly slot;Soft package lithium battery is placed in battery storage assembly and is clamped and firm by battery stabilizing unit in battery storage assembly, and one end of soft package lithium battery has battery tab.The utility model stores soft package lithium battery by multiple independent battery storage assembly respectively, avoids battery stacking and mutual extrusion, the first clamping plate of battery stabilizing unit and the second clamping plate cooperate elastic member, form self-adapting clamping force, both ensure battery firm, and avoid the rupture of aluminum plastic film caused by excessive extrusion, to reduce electrolyte leakage rate.

Description

Technical Field

[0001] This utility model relates to the field of storage rack technology, specifically a flexible energy storage battery storage device. Background Technology

[0002] Flexible energy storage batteries are a new type of energy storage device that can adapt to deformations such as bending, folding, and stretching. Flexible energy storage batteries include not only pouch lithium batteries, but also flexible thin-film batteries, flexible fiber batteries, and flexible paper batteries.

[0003] Soft-pack lithium batteries are a type of flexible energy storage battery. Their core feature is that through their unique aluminum-plastic film encapsulation and internal structure design, they have a certain degree of flexibility and adaptability. They can be bent and deformed to meet the needs of devices with different shapes. Compared with traditional metal-cased batteries, their shells are lighter and less prone to breakage, making them suitable for use as flexible energy storage batteries in certain application scenarios.

[0004] During the storage of soft-pack lithium batteries, stacking batteries may cause electrolyte leakage due to mutual pressure, and it is also inconvenient to conduct performance testing and temperature monitoring of the stored batteries, which brings inconvenience to actual storage and testing. Utility Model Content

[0005] To address the technical problems existing in the background art, this utility model proposes a flexible energy storage battery storage device.

[0006] The present invention proposes a flexible energy storage battery storage device, which includes multiple bearing plates arranged in parallel at the top and bottom, and two adjacent bearing plates are supported and fixed by multiple support rods. An assembly groove is provided on the upper end surface of the bearing plate, and a battery storage component is provided on the upper end surface of the bearing plate and slidably assembled with the assembly groove. The number of battery storage components is multiple and they are evenly arranged along the length direction of the assembly groove.

[0007] The soft-pack lithium battery is placed inside the battery storage assembly and is held securely by the battery stabilizing unit inside the battery storage assembly. One end of the soft-pack lithium battery has a battery tab, and the battery tab extends to the outside of the battery storage assembly.

[0008] To address the issues of traditional flexible energy storage batteries being prone to pressure leakage and inconvenient testing when stacked, this equipment adopts a "multi-layer support + independent storage component" design. Multiple support plates form a three-dimensional storage space through support rods, with each layer accommodating multiple battery storage components, avoiding stacking and pressure. The battery storage components slide along the assembly slots, facilitating the placement and removal of individual batteries. The battery tabs are exposed, allowing for connection to testing instruments without removal, significantly improving testing efficiency.

[0009] As a further optimized solution of this utility model, the battery storage assembly includes a base plate that is slidably disposed on the upper surface of the support plate, and a storage frame for accommodating the battery stabilization unit is installed on the upper surface of the base plate. One end of the outer wall of the storage frame has a tab groove that communicates with its inner cavity. The soft-pack lithium battery is disposed in the storage frame, and the free end of the battery tab extends to the outside of the battery storage assembly through the tab groove.

[0010] The storage frame forms an independent storage space to avoid friction and collision between batteries. The tab groove precisely avoids the battery tabs to prevent the tabs from being deformed by pressure. The sliding fit between the base plate and the assembly slot allows the components to move smoothly and adapt to the interface positions of different testing equipment.

[0011] As a further optimized solution of this utility model, the battery stabilizing unit includes a first clamping plate, a second clamping plate and an elastic member. The first clamping plate is fixed to the inner wall of one end of the storage frame and close to the side of the tab groove. The second clamping plate is slidably assembled to the other end of the storage frame and is opposite to the first clamping plate to form a stabilizing groove adapted to the soft-pack lithium battery. The second clamping plate is connected to the other end of the storage frame through the elastic member.

[0012] The stabilizing groove formed by the first and second clamping plates can accommodate soft-pack lithium batteries with a thickness of -mm. The elastic element provides an adaptive clamping force of 5-15N, which ensures the battery is stable and avoids excessive compression that could cause the aluminum-plastic film to break. The spacing between the clamping plates can be adjusted by the elastic element to accommodate soft-pack lithium batteries of different lengths.

[0013] As a further optimized solution of this utility model, the upper end face of the base plate is provided with a sliding groove located in the storage frame. The elastic element includes a slider and a spring disposed in the sliding groove. The slider is installed on the bottom surface of the second clamping plate and is slidably assembled with the sliding groove. The two ends of the spring are respectively connected to the slider and the inner wall of the sliding groove on the side away from the first clamping plate.

[0014] The slide and slider guide the second clamping plate to slide smoothly, avoiding tilting during clamping. The spring compression is 0-50mm, ensuring that batteries of various specifications can be clamped evenly, and the spring force is insufficient to compress the soft-pack lithium battery and cause deformation. The force deviation of the soft-pack lithium battery is ≤2N.

[0015] As a further optimization of this utility model, a fixing rod is installed inside the slide groove, and the two ends of the fixing rod are respectively fixed to the inner walls of the two ends of the slide groove. The slider and the spring are both slidably mounted on the fixing rod.

[0016] The fixing rod prevents the spring from tilting radially, ensuring that the spring force is axially consistent. The slider slides along the fixing rod to avoid jamming and extend the service life of the component.

[0017] As a further optimization of this utility model, the opposing surfaces of the first clamping plate and the second clamping plate are provided with clamping grooves that are adapted to the two ends of the soft-pack lithium battery, and the inner wall of the clamping groove is provided with a silicone pad.

[0018] The clamping groove fits the curved surface of the soft-pack lithium battery, and the silicone pad increases the coefficient of friction to prevent the battery from sliding while also cushioning vibrations. The silicone material is resistant to electrolyte corrosion, reducing the frequency of maintenance.

[0019] As a further optimization of this utility model, a groove is provided on the upper surface of the base plate, which is located inside the battery storage assembly. A temperature detection thermocouple for monitoring the temperature of the soft-pack lithium battery is installed in the groove.

[0020] The temperature sensing thermocouple is embedded in the groove and makes close contact with the bottom surface of the battery to monitor temperature changes in real time. When the battery temperature exceeds 45°C, the system can issue an early warning to prevent overheating from causing safety hazards.

[0021] As a further optimized solution of this utility model, the lower end face of the base plate is provided with a through hole that communicates with the bottom surface of the groove, the hot end of the temperature sensing thermocouple is flush with the upper end face of the base plate, and the cold end of the temperature sensing thermocouple passes through the through hole and contacts the energized terminal in the assembly groove.

[0022] The through-hole guides the cold end of the thermocouple to connect to the power terminal in the assembly slot, enabling wired transmission of temperature data. The hot end is flush with the base plate to avoid gaps with the battery that could affect temperature measurement accuracy.

[0023] As a further optimized solution of this utility model, a movable block that slides and slidably assembles with the assembly groove is installed at the bottom of the base plate. The power terminal on the bottom surface of the assembly groove is connected to the matching display instrument. A through hole is opened in the middle of the movable block. The cold end of the temperature sensing thermocouple extends downward and passes through the through hole and is connected to the power terminal.

[0024] The energizing terminal is installed on the bottom surface of the assembly slot and moves up and down through the action of a spring. The movable block slides with the battery storage assembly. When the carrier plate is full of battery storage assemblies, two adjacent battery storage assemblies come into contact with each other. At this time, the battery storage assembly moves into place, and the movable block moves to the energizing terminal, with the through hole facing the energizing terminal. The energizing terminal moves upward and contacts the cold end of the temperature monitoring thermocouple, thus energizing the battery. When the battery storage assembly moves horizontally, the energizing terminal retracts downward to facilitate the horizontal movement of the battery storage assembly. The matching display instrument can display the temperature of multiple battery groups in real time, supports abnormal temperature alarms, and is suitable for centralized monitoring of large-scale batteries.

[0025] As a further optimized solution of this utility model, a set of fixing blocks are installed on both sides of the upper surface of the support plate, and multiple battery storage components are arranged between the two sets of fixing blocks. During assembly, the battery storage components can be moved longitudinally to insert into the assembly slot or detach from the assembly slot, or can slide horizontally along the assembly slot to adjust the battery position.

[0026] The fixing blocks restrict the lateral displacement of the battery storage components. When a specified number of battery storage components are placed on the support plate, two adjacent battery storage components are close together, while the fixing blocks have a slight gap with the adjacent battery storage components to ensure neat arrangement. The vertical plug-in design facilitates the individual installation and removal of components, and the horizontal sliding function can adjust the battery position to adapt to the wiring requirements of different testing equipment, greatly improving the equipment's versatility. The multi-layer support design greatly improves space utilization compared to traditional shelves, making it suitable for large-scale storage and management of soft-pack lithium batteries.

[0027] The flexible energy storage battery storage device proposed in this utility model has the following beneficial effects:

[0028] (i) The soft-pack lithium batteries are stored separately by multiple independent battery storage components to avoid the batteries from being stacked and squeezed against each other. The first and second clamping plates of the battery stabilizing unit work together with elastic elements to form an adaptive clamping force, which not only ensures the stability of the battery, but also avoids the aluminum-plastic film from being broken due to excessive compression, thereby reducing the electrolyte leakage rate.

[0029] (ii) The battery tabs in the storage box expose the battery tabs, allowing direct connection to the testing instrument without removing the battery, which helps improve actual testing efficiency. The battery storage component can slide horizontally or be inserted vertically along the assembly slot, which facilitates the placement and removal of a single battery group. At the same time, it can flexibly adjust the horizontal position of the battery according to the testing requirements to adapt to different specifications of testing equipment.

[0030] (III) The temperature detection thermocouple is embedded in the groove and makes close contact with the bottom surface of the soft-pack lithium battery. The temperature measurement accuracy reaches ±0.5℃, which can monitor the battery temperature change in real time. The cold end of the thermocouple is connected to the power terminal of the assembly slot through the through hole. The data is transmitted to the display instrument synchronously. When the temperature exceeds the preset temperature, it can give an early warning in time to avoid safety hazards caused by overheating. The response speed is greatly improved compared with traditional manual inspection.

[0031] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0033] Figure 2 This is a three-dimensional structural diagram of the battery storage component of this utility model;

[0034] Figure 3 This is a top view of the battery storage assembly of this utility model.

[0035] Figure descriptions: 1. Carrier plate; 2. Support rod; 3. Assembly slot; 4. Battery storage assembly; 41. Base plate; 42. Storage frame; 43. First clamping plate; 44. Second clamping plate; 45. Tab groove; 5. Fixing block; 6. Soft-pack lithium battery; 7. Battery tab; 8. Slide groove; 9. Slider; 10. Spring; 11. Fixing rod; 12. Groove; 13. Temperature sensing thermocouple; 14. Through hole; 15. Silicone pad. Detailed Implementation

[0036] The embodiments of this utility model are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0037] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0038] In the storage of flexible energy storage batteries, such as pouch lithium batteries, traditional methods suffer from problems such as electrolyte leakage due to stacking and compression, and inconvenience in performance testing and temperature monitoring. The battery storage device of this utility model is innovatively designed to address these pain points. It adopts the design concept of "multi-layer independent storage + adaptive clamping + real-time monitoring" to achieve safe storage and efficient management.

[0039] like Figure 1 As shown, the main body of the equipment consists of vertically parallel support plates 1. Adjacent support plates are supported and fixed by four support rods 2, forming a three-dimensional storage space of 3-5 layers. Each layer of support plate 1 has an assembly slot 3 on its upper surface, which houses four sliding battery storage components 4, enabling independent storage and retrieval of a single battery.

[0040] like Figure 1 and Figure 2 As shown, after the soft-pack lithium battery 6 is placed into the battery storage assembly 4, it is firmly fixed by the elastic clamping of the first clamp 43 and the second clamp 44. The battery tabs 7 are exposed outside through the tab groove 45, which facilitates direct connection to the testing instrument. The temperature detection thermocouple 13 monitors the battery temperature in real time, and the data is transmitted to the display instrument through the power terminal in the assembly slot 3 to achieve safety monitoring.

[0041] like Figure 1 As shown, the support plate 1 is injection molded from 10mm thick ABS board with a frosted surface and a roughness of Ra3.2μm. The assembly groove 3 is set along the length direction, and copper power terminals are embedded in the bottom of the groove to cooperate with the temperature detection thermocouple 13 to realize data transmission. The support plate is fixed with fixing blocks 5 by M8 bolts on both sides to limit the lateral displacement of the battery storage assembly 4.

[0042] like Figure 2 and Figure 3 As shown, the base plate 41 is made of PP material, and a rectangular movable block is installed at the bottom and slides in conjunction with the assembly slot 3 to ensure that the components can slide horizontally or be inserted and removed vertically along the slot. The storage frame 42 is fixed to the base plate by a buckle, and a tab groove 45 is opened at one end of the frame to precisely avoid the battery tab 7.

[0043] like Figure 2 and Figure 3 As shown, the battery stabilization unit includes:

[0044] The first clamping plate 43 is fixed to the side of the storage frame near the tab groove, and an arc-shaped clamping groove is opened on the surface to adapt to the curved surface of the soft-pack lithium battery. The clamping groove is also provided with a hole that matches the tab groove 45 for the tab 7 to pass through. The second clamping plate 44 is arranged opposite to the first clamping plate, and the bottom surface slides with the slide groove 8 through the slider 9.

[0045] The elastic element consists of a spring 10 and a fixing rod 11. The two ends of the spring are connected to the slider and the inner wall of the groove, respectively, providing an adaptive clamping force of 5-15N. It is compatible with soft-pack lithium batteries with a thickness of 3-10mm and a length of 50-100mm, and the clamping deviation is ≤2N.

[0046] A 0.5mm thick silicone pad 15 is attached to the inner wall of the clamping groove of the first clamping plate 43 and the second clamping plate 44. This increases the coefficient of friction to prevent the battery from sliding and also buffers vibration. The silicone is resistant to electrolyte corrosion and improves service life.

[0047] like Figure 2 and Figure 3 As shown, a groove 12 is provided on the upper surface of the base plate 41, in which a K-scale temperature detection thermocouple 13 is embedded. The hot end is flush with the surface of the base plate to ensure a temperature measurement accuracy of ±0.5℃. The cold end passes through the through hole 14 and contacts the copper spring-type power terminal in the assembly groove 3 to realize data transmission.

[0048] When the battery storage component slides into place, the through hole in the middle of the movable block aligns with the power terminal, and the spring-loaded terminal pops up and contacts the cold end of the thermocouple. When the component slides, the terminal is squeezed and compressed back, which does not affect the movement. The matching display instrument can display the temperature of multiple battery groups in real time, and an audible and visual alarm will be triggered when the temperature exceeds 45°C.

[0049] The sliding and plugging structure of the battery storage component 4 can be adapted to the interface positions of different test equipment. The longitudinal plugging and pulling force is ≤10N, which facilitates the quick replacement of a single battery and meets the needs of multi-station testing.

[0050] The operating procedure for this equipment is as follows:

[0051] Step 1: Insert the battery storage component 4 longitudinally along the assembly slot 3, and push the component to the appropriate position (the power terminal will automatically retract during the sliding process, without affecting the movement);

[0052] Step 2: Pull the second clamping plate 44 outward (compress the spring to the required stroke), put the soft-pack lithium battery 6 into the stabilizing slot, ensure that the battery tab 7 passes through the tab slot 45, release the second clamping plate, and the spring returns to its original position to achieve elastic clamping.

[0053] Step 3: After the component slides into place, the through hole of the movable block aligns with the power terminal, the terminal pops out and contacts the cold junction of the thermocouple, and the display instrument automatically recognizes and starts temperature monitoring;

[0054] When conducting battery testing, simply connect the instrument probe to the exposed battery tab 7 without removing the battery. After the test is completed, pull the second clamp to remove the battery. The operation time is ≤10 seconds per group.

[0055] Each battery storage unit can be disassembled independently; simply lift it upwards to detach it from the assembly slot for easy maintenance or replacement.

[0056] Application in a battery storage production workshop shows that the equipment can store 100 sets of soft-pack lithium batteries at the same time, increasing space utilization by 50% compared to traditional shelves. The rate of battery scrap due to compression has been reduced from 8% to 0.5%, and the response time to abnormal temperature has been shortened from 30 minutes for manual inspection to 10 seconds, significantly improving storage safety and management efficiency.

[0057] In summary, this equipment achieves safe storage and efficient management of pouch lithium batteries through modular design, making it particularly suitable for large-scale production, testing, and warehousing of pouch lithium batteries, and possessing strong versatility and practicality.

[0058] 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 flexible energy storage battery storage device, comprising multiple vertically parallel support plates (1), wherein adjacent support plates (1) are supported and fixed by multiple support rods (2), characterized in that: The upper end face of the support plate (1) is provided with an assembly groove (3), and the upper end face of the support plate (1) is provided with a battery storage component (4) that is slidably assembled with the assembly groove (3). There are multiple battery storage components (4) and they are evenly arranged along the length direction of the assembly groove (3). The soft-pack lithium battery (6) is placed inside the battery storage assembly (4) and held securely by the battery stabilizing unit inside the battery storage assembly (4). One end of the soft-pack lithium battery (6) has a battery tab (7) that extends to the outside of the battery storage assembly (4).

2. The flexible energy storage battery storage device according to claim 1, characterized in that, The battery storage assembly (4) includes a base plate (41) slidably disposed on the upper surface of the support plate (1). A storage frame (42) for accommodating the battery stabilization unit is installed on the upper surface of the base plate (41). One end of the storage frame (42) has an outer wall with a tab groove (45) communicating with its inner cavity. A soft-pack lithium battery (6) is disposed in the storage frame (42), and the free end of the battery tab (7) extends to the outside of the battery storage assembly (4) through the tab groove (45).

3. The flexible energy storage battery storage device according to claim 2, characterized in that, The battery stabilization unit includes a first clamping plate (43), a second clamping plate (44), and an elastic member. The first clamping plate (43) is fixed to the inner wall of one end of the storage frame (42) and close to the side of the tab groove (45). The second clamping plate (44) is slidably assembled to the other end of the storage frame (42) and is opposite to the first clamping plate (43) to form a stabilization groove adapted to the soft-pack lithium battery (6). The second clamping plate (44) is connected to the other end of the storage frame (42) through the elastic member.

4. The flexible energy storage battery storage device according to claim 3, characterized in that, The upper end face of the base plate (41) is provided with a sliding groove (8) located in the storage frame (42). The elastic element includes a slider (9) and a spring (10) disposed in the sliding groove (8). The slider (9) is installed on the bottom surface of the second clamping plate (44) and is slidably assembled with the sliding groove (8). The two ends of the spring (10) are respectively connected to the slider (9) and the inner wall of the sliding groove (8) away from the first clamping plate (43).

5. A flexible energy storage battery storage device according to claim 4, characterized in that, A fixing rod (11) is installed inside the slide (8). The two ends of the fixing rod (11) are fixed to the inner walls of the two ends of the slide (8). The slider (9) and the spring (10) are slidably mounted on the fixing rod (11).

6. The flexible energy storage battery storage device according to claim 3, characterized in that, The first clamping plate (43) and the second clamping plate (44) are provided with clamping grooves on their opposite sides that are adapted to the two ends of the soft-pack lithium battery (6), and the inner wall of the clamping groove is provided with a silicone pad (15).

7. The flexible energy storage battery storage device according to claim 1, characterized in that, The upper surface of the base plate (41) has a groove (12) located in the battery storage assembly (4), and a temperature detection thermocouple (13) for monitoring the temperature of the soft-pack lithium battery (6) is installed in the groove (12).

8. A flexible energy storage battery storage device according to claim 7, characterized in that, The bottom end face of the base plate (41) is provided with a through hole (14) that communicates with the bottom surface of the groove (12). The hot end of the temperature sensing thermocouple (13) is flush with the upper end face of the base plate (41). The cold end of the temperature sensing thermocouple (13) passes through the through hole (14) and contacts the power terminal in the assembly groove (3).

9. A flexible energy storage battery storage device according to claim 8, characterized in that, The bottom of the base plate (41) is equipped with a movable block that slides and assembles with the assembly slot (3). The power terminal on the bottom surface of the assembly slot (3) is connected to the matching display instrument. A through hole is opened in the middle of the movable block. The cold end of the temperature detection thermocouple (13) extends downward and passes through the through hole and is connected to the power terminal.

10. A flexible energy storage battery storage device according to any one of claims 1-9, characterized in that, A set of fixing blocks (5) is installed on both sides of the upper surface of the support plate (1), and multiple battery storage components (4) are arranged between the two sets of fixing blocks (5).

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