An end plate clamping component for stack assembly of a flow battery

By designing connecting columns and snap-fit ​​components, and combining them with pressure sensor adjustment, the complexity and uneven pressure caused by bolt fixing in the assembly of flow battery stacks have been solved, achieving a highly efficient and uniform clamping effect, thus improving production efficiency and battery performance.

CN119833693BActive Publication Date: 2025-10-31GUORUN ENERGY STORAGE (TAIYUAN) TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510058139.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-10-31
Estimated Expiration
2045-01-14

AI Technical Summary

Technical Problem

In existing flow battery stack assembly end plate clamping components, the bolt fixing method leads to complex assembly and uneven pressure, which affects battery performance and production efficiency.

Method used

The upper and lower clamping plates are connected by four connecting columns, combined with a snap-fit ​​assembly and spring design, and fixed with connecting bolts. The pressure sensor and position sensor enable adaptive adjustment, reducing the number of bolts and ensuring uniform pressure distribution.

Benefits of technology

It improves assembly efficiency, reduces assembly complexity, ensures uniform pressure distribution, extends battery life, and enhances system stability and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of electrochemical energy storage technology and discloses an end plate clamping component for assembling a flow battery stack, comprising an upper clamping plate and a lower clamping plate. The upper and lower clamping plates are connected by four connecting posts. Feed plates are fixedly connected to adjacent sides of both the upper and lower end plates, and battery bodies are fixedly connected to adjacent sides of the two feed plates. Clamping assemblies are provided on the upper and lower sides of the connecting posts for fixing the upper and lower clamping plates. Connecting assemblies are provided on adjacent sides of both the upper and lower clamping plates for connecting the upper and upper end plates to the lower and lower end plates. The positioning blocks and clamping assemblies make modular assembly more efficient and convenient. This design effectively reduces the tedious steps required for workers to adjust and install each bolt individually during assembly, greatly improving work efficiency.
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Description

Technical Field

[0001] This invention relates to the field of electrochemical energy storage technology, specifically to an end plate clamping component for assembling a flow battery stack. Background Technology

[0002] The stack assembly of a flow battery is its core process, involving the integration of multiple battery cells in a specific order and manner to ensure efficient energy conversion and stable operation. The stack typically consists of components such as positive and negative electrodes, a separator, flow channels, and end plates. Each battery cell includes positive and negative electrodes, electrolyte flow channels, and a separator, while the flow channels guide the electrolyte flow and optimize the contact between the electrolyte and the electrodes. Battery cells are fixed and clamped by end plate clamping components to ensure good contact and sealing between components, prevent leakage, and reduce internal resistance. In flow battery stack assembly, the end plate clamping components are crucial for ensuring tight contact between internal components and maintaining battery performance. Typically, end plates are used to press and fix the internal battery components, applying mechanical pressure to maintain good sealing between battery cells. The end plates are generally fixed and clamped by bolts encircling the upper and lower end plates. These clamping components not only effectively prevent electrolyte leakage but also reduce internal resistance during battery operation, improving energy conversion efficiency.

[0003] In existing flow battery stack assembly end plate clamping components, using bolts to secure the end plate around its perimeter effectively ensures the clamping and sealing of the battery cells. However, excessive bolts present several drawbacks: a large number of bolts increases the complexity of the assembly process, requiring workers to spend more time and effort installing and adjusting each bolt, reducing production efficiency. Furthermore, using too many bolts leads to uneven pressure application; if the bolts are not tightened sequentially or evenly, some areas may experience excessive pressure, potentially damaging the battery cells. Additionally, while bolts achieve the fixation and clamping of the end plate, their concentration at the edges often causes deformation during stress, resulting in insufficient clamping force in the central area. This increases the contact resistance in the internal center, ultimately affecting battery performance. Therefore, those skilled in the art propose an end plate clamping component for flow battery stack assembly to address these issues. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an end plate clamping component for assembling a flow battery stack, which solves the problem of using bolts to fix the end plate in a ring in existing end plate clamping components for assembling flow battery stacks.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: an end plate clamping component for stack assembly of a flow battery, comprising an upper clamping plate and a lower clamping plate, characterized in that the upper clamping plate and the lower clamping plate are connected by four connecting columns, a feeding plate is fixedly connected to a proximal side of the upper end plate and the lower end plate, and a battery body is fixedly connected to a proximal side of the two feeding plates;

[0006] The connecting column is equipped with snap-fit ​​components on both the upper and lower sides inside, which are used to fix the upper and lower pressure plates.

[0007] A connecting assembly is provided on one side of the upper pressing plate and the lower pressing plate, which is used to connect the upper pressing plate and the upper end plate to the lower pressing plate and the lower end plate.

[0008] The upper and lower end plates are each equipped with four limiting components, which are used to limit and fix the side plates.

[0009] Preferably, the buckle assembly includes four mounting slots, all of which are formed inside the connecting column. Four springs are installed inside the connecting column. One end of each spring is fixedly connected to the inner wall of the mounting slot, and the other end of each spring is fixedly connected to a limiting block. A locking block is fixedly connected to the outer side of the limiting block, and a pull rope is fixedly connected to the inner side of the limiting block. Four slots are formed inside the upper pressing plate, and these slots match the outer surfaces of the locking blocks. A rotating rod is rotatably connected inside the connecting column, and a knob is fixedly connected to the top of the rotating rod.

[0010] Preferably, the upper connecting assembly includes two electric push rods, which are fixedly connected to the left and right sides inside the upper pressing plate. The output end of each electric push rod is fixedly connected to a positioning block. Guide rods are fixedly connected to the front and rear sides inside the upper pressing plate. Guide blocks are fixedly connected to the front and rear sides of each positioning block. A pressure sensor is installed inside the positioning block. Position sensors are installed on the front and rear sides of the upper pressing plate. A positioning groove is opened inside the upper end plate. Multiple disc spring assemblies are fixedly connected to the bottom end of the upper pressing plate. The pressure sensor and the position sensor transmit the collected data to the central control system.

[0011] Preferably, the upper end plate and the lower end plate are connected by connecting bolts, and each of the upper end plate and the lower end plate is provided with a liquid inlet on one side and a liquid outlet on the other side.

[0012] Preferably, the limiting component includes a limiting groove, which is formed inside the upper end plate. A second spring is provided inside the upper end plate. One end of the second spring is fixedly connected to the inner wall of the limiting groove, and the other end of the second spring is fixedly connected to a second limiting block. A protrusion is fixedly connected to the outer side of the second limiting block. A groove is formed inside the side plate, and the inside of the groove matches the outside of the protrusion.

[0013] Preferably, one end of the pressure sensor is fixedly connected to the inner wall of the positioning block, and the other end of the pressure sensor is fixedly connected to the top of the upper end plate.

[0014] Preferably, the interior of the guide block is slidably connected to the exterior of the guide rod, and the exterior of the positioning block is slidably connected to the interior of the positioning groove.

[0015] Preferably, the interior of the mounting groove is slidably connected to the exterior of the limiting block, the interior of the connecting column is slidably connected to the exterior of the pull rope, and the lower side of the rotating rod is fixedly connected to one of the four pull ropes on the same side.

[0016] Preferably, the inside of the limiting groove is slidably connected to the outside of the limiting block 2, and the outside of the protrusion is arc-shaped.

[0017] Preferably, the central control system includes:

[0018] The data acquisition module is used to transmit information collected by the pressure sensor and position sensor to the central control system;

[0019] The analysis module is used to analyze the information collected in the central control system;

[0020] The drive module is used to drive the electric linear actuator based on the analyzed information.

[0021] Working principle: First, the lower clamping plate, lower end plate, lower feed plate, battery body, upper feed plate, upper end plate, and upper clamping plate are placed sequentially from bottom to top. The positioning blocks on the upper and lower clamping plates match the positioning grooves on the upper and lower end plates, and multiple disc spring assemblies are welded at the connection points between the upper and lower clamping plates and the upper and lower end plates.

[0022] Secondly, the upper and lower clamping plates are connected by a connecting column, allowing the rotating rod to be driven to rotate by turning a knob, which in turn moves the pull rope inward. This process causes the first limiting block to move, further moving the locking block and adjusting the upper and lower clamping plates to the appropriate positions. Subsequently, the elasticity of the first spring causes the limiting block to move outward, pulling the locking block into the locking groove, thus achieving a firm engagement between the locking block and the groove, ensuring that the upper and lower clamping plates can apply sufficient pressure to the upper and lower end plates.

[0023] Next, the upper and lower end plates are secured using connecting bolts, aligning the side plate with the notches on the upper and lower end plates for splicing. At this point, the pressing protrusion moves inward, causing the second limiting block to move accordingly. Once the side plate is in the correct position, the elasticity of the second spring causes the second limiting block to move outward, pulling the protrusion into the groove, thus achieving a secure connection between the protrusion and the groove. This ensures the side plate is effectively fixed, completing the entire assembly process.

[0024] Finally, the position and pressure of the two positioning blocks are collected by pressure and position sensors. When one side deviates or the pressure is too high, the collected data is transmitted to the central control system. After analysis by the analysis module, the data is transmitted to the drive module, thereby activating the electric push rod on one side, which drives the positioning block on one side to move, thus enabling the positioning block to adjust adaptively.

[0025] This invention provides an end plate clamping component for assembling a flow battery stack. It offers the following advantages:

[0026] 1. This invention, through positioning blocks and snap-fit ​​components, makes modular assembly more efficient and convenient. This design effectively reduces the tedious steps workers need to take during assembly, requiring them to adjust and install each bolt individually, thus greatly improving work efficiency. Furthermore, the use of connecting columns and snap-fit ​​components between the upper and lower clamping plates not only significantly reduces the number of bolts required but also further simplifies the overall assembly process. By reducing the number of parts and assembly steps, this invention effectively reduces assembly complexity, thereby saving valuable time and improving production efficiency.

[0027] 2. This invention, through the design of the disc spring assembly and springs, ensures uniform force distribution when pressure is applied. The elasticity of the second spring helps the side plate absorb localized uneven pressure. Furthermore, the coordinated movement of the rotating knob and the pull cord allows for flexible adjustment of the pressure between the upper and lower clamping plates, thereby ensuring uniform pressure distribution among the battery cells. This design not only improves system stability but also extends battery life and reduces potential malfunctions caused by uneven pressure.

[0028] 3. This invention utilizes an integrated rotation mechanism to make the disassembly of the upper and lower clamping plates more efficient. Workers can easily loosen the plates by simply turning a knob, eliminating the need to remove all bolts one by one. Furthermore, pulling the side plate to move the pressing protrusions facilitates the removal of the side plates, thereby reducing the risk of bolts being lost or damaged during maintenance, simplifying subsequent maintenance procedures, and improving work efficiency.

[0029] 4. This invention monitors the positioning block using pressure and position sensors and transmits the data to the central control system for analysis, thereby driving the adaptive adjustment of the electric push rod. This significantly improves the safety, efficiency, and reliability of the system, while also providing users with a better experience and greater operational convenience. Attached Figure Description

[0030] Figure 1 This is a perspective view of the present invention;

[0031] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0032] Figure 3 This is a schematic diagram of the position sensor structure of the present invention;

[0033] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0034] Figure 5 This is a schematic diagram of the disc spring assembly structure of the present invention;

[0035] Figure 6 for Figure 5 Enlarged view at point C;

[0036] Figure 7 This is a schematic diagram of the upper end plate structure of the present invention;

[0037] Figure 8 for Figure 7 Enlarged view at point D

[0038] Figure 9 This is a schematic diagram of the central control system of the present invention.

[0039] The components include: 1. Upper clamping plate; 2. Lower clamping plate; 3. Connecting column; 4. Buckle assembly; 401. Mounting groove; 402. Spring 1; 403. Limiting block 1; 404. Locking block; 405. Locking groove; 406. Pull rope; 407. Rotating rod; 408. Knob; 5. Connecting assembly; 501. Electric push rod; 502. Positioning block; 503. Guide rod; 504. Guide block; 505. Pressure sensor; 506. Position sensor; 507. Positioning groove; 508. Disc spring assembly; 6. Upper end plate; 7. Lower end plate; 8. Feed plate; 9. Battery body; 10. Connecting bolt; 11. Side plate; 12. Limiting assembly; 1201. Limiting groove; 1202. Spring 2; 1203. Limiting block 2; 1204. Protrusion; 1205. Groove; 13. Liquid inlet; 14. Liquid outlet. Detailed Implementation

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example:

[0042] Please see the appendix Figure 1 - Appendix Figure 8 This invention provides an end plate clamping component for assembling a flow battery stack, including an upper clamping plate 1 and a lower clamping plate 2. The upper clamping plate 1 and the lower clamping plate 2 are connected by four connecting posts 3. Feed plates 8 are fixedly connected to adjacent sides of the upper end plate 6 and the lower end plate 7. Battery bodies 9 are fixedly connected to adjacent sides of the two feed plates 8. The upper end plate 6 and the lower end plate 7 are connected by connecting bolts 10. Liquid inlets 13 are provided on one side of the upper end plate 6 and the lower end plate 7. Liquid outlets 14 are provided on the other side of the upper end plate 6 and the lower end plate 7. Temperature sensors 15 are provided on the outside of the upper end plate 6 and the lower end plate 7.

[0043] Specifically, the upper clamping plate 1 and the lower clamping plate 2 are located at the top and bottom of the battery assembly, respectively. Four connecting posts 3 are evenly distributed between the upper clamping plate 1 and the lower clamping plate 2, serving to fix and clamp the battery. The upper end plate 6 and the lower end plate 7 are fixedly connected to one side of the feed plate 8 for the inlet and outlet of liquid, ensuring the circulation of electrolyte inside the battery. The battery body 9 is fixedly connected to the adjacent side of the two feed plates 8 to ensure the stability and sealing of the battery body 9 and prevent liquid leakage. The battery body 9 consists of multiple battery cells (including electrodes, separators, and flow channel plates) stacked together in the designed order. The basic structure of the battery stack is formed by connecting the upper end plate 6 and the lower end plate 7 with connecting bolts 10, which can ensure a tight fit between the upper and lower end plates. Each of the upper end plate 6 and the lower end plate 7 has a liquid inlet 13 on one side for injecting electrolyte, corresponding to the positive and negative electrodes respectively. Each of the upper end plate 6 and the lower end plate 7 has a liquid outlet 14 on the other side for discharging electrolyte, corresponding to the positive and negative electrodes respectively, to ensure the normal operation of the battery. Temperature sensors 15 are installed on the outside of the upper end plate 6 and the lower end plate 7 to monitor the battery's operating temperature in real time and prevent overheating.

[0044] Please see the appendix Figure 1 Appendix Figure 3 and attached Figure 4The connecting column 3 has snap-fit ​​assemblies 4 on both its upper and lower sides for fixing the upper clamping plate 1 and the lower clamping plate 2. Each snap-fit ​​assembly 4 includes four mounting slots 401, all located inside the connecting column 3. Four springs 402 are installed inside the connecting column 3. One end of each spring 402 is fixedly connected to the inner wall of the mounting slot 401, and the other end is fixedly connected to a limit block 403. The interior of the mounting slot 401 slides smoothly against the exterior of the limit block 403. Next, a locking block 404 is fixedly connected to the outer side of the limiting block 403, and a pull rope 406 is fixedly connected to the inner side of the limiting block 403. The interior of the connecting column 3 is slidably connected to the exterior of the pull rope 406. The interior of the upper pressing plate 1 has four slots 405, which match the exterior of the locking block 404. A rotating rod 407 is rotatably connected to the interior of the connecting column 3. The lower side of the rotating rod 407 is fixedly connected to the side of the four pull ropes 406 that are close to each other. A knob 408 is fixedly connected to the top of the rotating rod 407.

[0045] Specifically, the connecting column has upper and lower snap-fit ​​assemblies 4 inside for fixing the upper pressure plate 1 and the lower pressure plate 2. The connecting column 3 provides a stable foundation to support the upper pressure plate 1 and the lower pressure plate 2 and ensure their stability. The snap-fit ​​assembly 4 includes four mounting slots 401, which are respectively set inside the connecting column 3. Each mounting slot 401 is equipped with a spring 402 to elastically fix the limiting block 403. The design of the mounting slot 401 allows the limiting block 403 to slide within a certain range, thus facilitating installation and disassembly. The outside of the limiting block 403 is slidably connected to the inner wall of the mounting slot 401, and a locking block 404 is fixed on one side, which matches the locking slot 405 of the upper pressure plate 1 to achieve the locking of the upper pressure plate 1. The clamping plate is fixed by spring 402, one end of which is fixed to the inner wall of the mounting groove 401, and the other end is fixedly connected to the limiting block 403, providing elasticity to ensure that the clamping plate will not loosen when subjected to pressure. The locking block 404 is located on the outside of the limiting block 403 and perfectly matches the locking groove 405 of the upper clamping plate 1, ensuring that the two can be tightly joined. The rotating rod 407 is rotatably connected to the inside of the connecting column 3, and its lower side is fixedly connected to the adjacent side of the four pull ropes 406, which facilitates the application of rotational force to adjust the position of the limiting block 403. The knob 408 is fixedly connected to the top of the rotating rod 407. The user can adjust the tightness of the pull ropes 406 by rotating the knob 408, thereby realizing the fixing and release of the clamping plate 1 and the clamping plate 2.

[0046] Please see the appendix Figure 2 Appendix Figure 5 and attached Figure 6A connecting assembly 5 is provided on a side adjacent to the upper pressing plate 1 and the lower pressing plate 2. This assembly connects the upper pressing plate 1 and the upper end plate 6 to the lower pressing plate 2 and the lower end plate 7. The upper connecting assembly 5 includes two electric push rods 501, which are fixedly connected to the left and right sides inside the upper pressing plate 1. A positioning block 502 is fixedly connected to the output end of each electric push rod 501. Guide rods 503 are fixedly connected to the front and rear sides inside the upper pressing plate 1. Guide blocks 504 are fixedly connected to the front and rear sides of the positioning blocks 502. A pressure sensor 505 is installed inside the positioning blocks 502. Position sensors 506 are installed on the front and rear sides of the upper pressing plate 1. A positioning groove 507 is formed inside the upper end plate 6. The bottom end of the upper pressing plate 1 is fixedly connected to... Multiple disc spring assemblies 508, pressure sensor 505, and position sensor 506 transmit the collected data to the central control system. One end of pressure sensor 505 is fixedly connected to the inner wall of positioning block 502, and the other end of pressure sensor 505 is fixedly connected to the top of upper end plate 6. The interior of guide block 504 is slidably connected to the exterior of guide rod 503, and the exterior of positioning block 502 is slidably connected to the interior of positioning groove 507. The central control system includes: an acquisition module for transmitting information collected by pressure sensor 505 and position sensor 506 to the central control system; an analysis module for analyzing the information acquired in the central control system; and a drive module for driving electric push rod 501 based on the analyzed information.

[0047] Specifically, the design of the connecting component 5 aims to ensure a stable connection between the upper clamping plate 1 and the lower clamping plate 2. By setting the connecting component 5 between the upper clamping plate 1 and the upper end plate 6, pressure can be effectively transmitted and the stability of the structure can be maintained. Electric push rods 501 are located on the left and right sides inside the upper clamping plate 1, with a total of two electric push rods 501. The output end of the electric push rod 501 is fixedly connected to a positioning block 502 to achieve precise clamping. Guide rods 503 are fixedly connected to the front and rear sides inside the upper clamping plate 1 to provide stable guiding support and ensure that the positioning block 502 maintains linear movement during clamping. The positioning block 502 is located at the output end of the electric push rod 501, and guide blocks 504 are fixedly connected to its front and rear sides to ensure the stability of the positioning block 502 during movement. A pressure sensor 505 is located inside the positioning block 502 and is responsible for real-time monitoring of the clamping force. One end of the sensor is fixedly connected to the inner wall of the positioning block 502, and the other end is fixedly connected to the upper end plate 6. The top is fixedly connected to obtain accurate pressure data. Position sensors 506 are installed on the front and rear sides of the upper clamping plate 1 to monitor the position change of the positioning block 502 in real time and feed it back to the central control system. The upper plate 6 of the positioning groove 507 has a positioning groove 507 inside. The outside of the positioning block 502 is slidably connected to the inside of the positioning groove 507 to ensure the stability and accuracy of the positioning block 502 during movement. The bottom of the upper clamping plate 1 is fixedly connected to multiple disc spring groups 508 to provide necessary elastic support and ensure that it can effectively resist external disturbances during the clamping process. The acquisition module is used to collect information from the pressure sensor 505 and the position sensor 506 and transmit the data to the central control system. The analysis module performs real-time analysis on the collected information to evaluate the battery status and clamping effect. The drive module precisely drives the electric push rod 501 according to the analyzed information to adjust the clamping force and ensure the optimal working state of the battery stack.

[0048] Please see the appendix Figure 5 Appendix Figure 7 and attached Figure 8 The upper end plate 6 and the lower end plate 7 are each provided with four limiting components 12, which are used to limit and fix the side plate 11. The limiting component 12 includes a limiting groove 1201, which is opened inside the upper end plate 6. A second spring 1202 is provided inside the upper end plate 6. One end of the second spring 1202 is fixedly connected to the inner wall of the limiting groove 1201, and the other end of the second spring 1202 is fixedly connected to a second limiting block 1203. The inside of the limiting groove 1201 is slidably connected to the outside of the second limiting block 1203. A protrusion 1204 is fixedly connected to the outside of the second limiting block 1203. A groove 1205 is opened inside the side plate 11. The inside of the groove 1205 matches the outside of the protrusion 1204. The outside of the protrusion 1204 is arc-shaped.

[0049] Specifically, the limiting groove 1201 is located inside the upper plate 6 and is used to accommodate the second limiting block 1203. The groove design allows the second limiting block 1203 to slide freely in the groove, but is limited by the boundary of the groove. The second spring 1202, as an elastic element, provides thrust to keep the second limiting block 1203 in contact. One end of the spring is fixed to the inner wall of the limiting groove 1201, and the other end is fixedly connected to the second limiting block 1203, ensuring that the second limiting block 1203 is always subjected to the thrust of the second spring 1202 during the movement of the side plate 11. The protrusion 1204 slides in the limiting groove 1201. Its main function is to cooperate with the groove 1205 of the side plate 11. The protrusion on the outside of the second limiting block 1203 is arc-shaped, which can better match the groove 1205, and the arc shape makes the second limiting block 1203 move inward when squeezed.

[0050] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An end plate clamping member for stack assembly of a flow battery, comprising an upper clamping plate (1) and a lower clamping plate (2), characterized in that, The upper pressing plate (1) and the lower pressing plate (2) are connected by four connecting columns (3). The upper end plate (6) and the lower end plate (7) are fixedly connected to the feed plate (8) on the adjacent side. The battery body (9) is fixedly connected to the adjacent side of the two feed plates (8). The connecting column (3) is provided with buckle assemblies (4) on both the upper and lower sides inside, which are used to fix the upper pressure plate (1) and the lower pressure plate (2); A connecting assembly (5) is provided on one side of the upper pressing plate (1) and the lower pressing plate (2), which is used to connect the upper pressing plate (1) and the upper end plate (6) with the lower pressing plate (2) and the lower end plate (7); The upper end plate (6) and the lower end plate (7) are each provided with four limiting components (12), which are used to limit and fix the side plate (11); The upper connecting assembly (5) includes two electric push rods (501). The two electric push rods (501) are fixedly connected to the left and right sides inside the upper pressing plate (1). The output end of the electric push rod (501) is fixedly connected to a positioning block (502). The front and rear sides inside the upper pressing plate (1) are fixedly connected to guide rods (503). The front and rear sides of the positioning block (502) are fixedly connected to guide blocks (504). The positioning block (502) is equipped with a pressure sensor (505). The front and rear sides of the upper pressing plate (1) are equipped with position sensors (506). The upper end plate (6) is provided with a positioning groove (507). The bottom end of the upper pressing plate (1) is fixedly connected to multiple disc spring groups (508). The pressure sensor (505) and the position sensor (506) transmit the collected data to the central control system. One end of the pressure sensor (505) is fixedly connected to the inner wall of the positioning block (502), and the other end of the pressure sensor (505) is fixedly connected to the top of the upper end plate (6). The interior of the guide block (504) is slidably connected to the exterior of the guide rod (503), and the exterior of the positioning block (502) is slidably connected to the interior of the positioning groove (507).

2. The end plate clamping component for stack assembly of a flow battery according to claim 1, characterized in that, The buckle assembly (4) includes four mounting slots (401), all of which are located inside the connecting post (3). The connecting post (3) is provided with four springs (402). One end of each spring (402) is fixedly connected to the inner wall of the mounting slot (401), and the other end of each spring (402) is fixedly connected to a limiting block (403). A locking block (404) is fixedly connected to the outer side of the limiting block (403), and a pull rope (406) is fixedly connected to the inner side of the limiting block (403). The upper pressing plate (1) is provided with four slots (405), which match the outer side of the locking block (404). A rotating rod (407) is rotatably connected inside the connecting post (3), and a knob (408) is fixedly connected to the top of the rotating rod (407).

3. The end plate clamping component for stack assembly of a flow battery according to claim 1, characterized in that, The upper end plate (6) and the lower end plate (7) are connected by connecting bolts (10), and both the upper end plate (6) and the lower end plate (7) are provided with inlet and outlet ports (13).

4. The end plate clamping component for stack assembly of a flow battery according to claim 1, characterized in that, The limiting component (12) includes a limiting groove (1201), which is opened inside the upper end plate (6). A second spring (1202) is provided inside the upper end plate (6). One end of the second spring (1202) is fixedly connected to the inner wall of the limiting groove (1201), and the other end of the second spring (1202) is fixedly connected to a second limiting block (1203). A protrusion (1204) is fixedly connected to the outer side of the second limiting block (1203). A groove (1205) is opened inside the side plate (11), and the inside of the groove (1205) matches the outside of the protrusion (1204).

5. The end plate clamping component for stack assembly of a flow battery according to claim 2, characterized in that, The interior of the mounting groove (401) is slidably connected to the exterior of the limiting block (403), the interior of the connecting column (3) is slidably connected to the exterior of the pull rope (406), and the lower side of the rotating rod (407) is fixedly connected to the adjacent side of the four pull ropes (406).

6. The end plate clamping member for stack assembly of a flow battery according to claim 4, characterized in that, The interior of the limiting groove (1201) is slidably connected to the exterior of the limiting block two (1203), and the exterior of the protrusion (1204) is arc-shaped.

7. The end plate clamping component for stack assembly of a flow battery according to claim 1, characterized in that, The central control system includes: The data acquisition module is used to transmit information collected by the pressure sensor (505) and the position sensor (506) to the central control system; The analysis module is used to analyze the information collected in the central control system; A drive module is used to drive the electric actuator (501) based on the analyzed information.

Citation Information

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