Flow battery stacking device
By using support plates and fixing devices to fix the screws in the flow battery stacking device, precise positioning of the end plates is achieved, which solves the problems of complexity and high cost of traditional devices, improves stacking efficiency and reduces equipment costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional flow battery stacking devices have complex positioning devices, resulting in high equipment costs and low stacking efficiency.
The first end of the screw is fixed by a support plate and a fixing device. Multiple screws are used to construct a positioning device for the end plate, which simplifies the precise positioning process of the end plate, saves assembly steps and reduces equipment costs.
It improves the positioning accuracy and efficiency of flow battery stacking, simplifies the device structure, and reduces equipment costs.
Smart Images
Figure CN224096700U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of flow battery technology, and in particular to flow battery stacking devices. Background Technology
[0002] Flow batteries, also known as redox flow batteries, have advantages such as relative stability, flexible design, high efficiency and environmental friendliness, and large-scale energy storage. A flow battery consists of multiple individual cells stacked in series, with end plates at both ends of the stack. Screws are then used to secure the individual cells through the end plates.
[0003] When stacking individual battery cells, the two end plates need to be precisely positioned to ensure that the screw holes for the screws to pass through are aligned, so that subsequent screws can pass through smoothly. Traditional flow battery stacking devices usually use complex positioning devices to achieve precise positioning of the end plates, resulting in high equipment costs and a cumbersome and inefficient stacking process. Utility Model Content
[0004] Therefore, it is necessary to provide a flow battery stacking device that can improve the positioning accuracy during the battery cell stacking process and at the same time improve the stacking efficiency.
[0005] This application provides a flow battery stacking device for stacking flow batteries. The flow battery includes an end plate, a plurality of battery cells, and a plurality of screws for securing the end plate and the plurality of battery cells. The flow battery stacking device includes:
[0006] Frame;
[0007] A support plate is mounted on the frame.
[0008] Multiple fixing devices are spaced apart on the support plate. The fixing devices are used to fix the first end of the screw. The second end of the screw extends away from the support plate. The end plate is sleeved on the multiple screws from the second end. The multiple screws form a positioning device for positioning the end plate.
[0009] In some embodiments, the surface of the fixing device facing the second end of the screw is configured as a plane, the plane being used to support the end plate fitted onto the screw.
[0010] In some embodiments, the fixing device is adjustablely positioned on the support plate.
[0011] In some embodiments, the fixing device is magnetically attached to the support plate.
[0012] In some embodiments, the fixing device includes a fixing block having an insertion hole extending along the stacking direction of the battery cells, and the first end of the screw can be inserted into the insertion hole.
[0013] In some embodiments, each of the fixing blocks is set to a preset height along the stacking direction of the battery cells.
[0014] In some embodiments, the support plate is movably mounted on the frame; the flow battery stacking device further includes:
[0015] A lifting drive is configured to drive the support plate to reciprocate along the extension direction of the screw.
[0016] In some embodiments, the flow battery stacking device further includes:
[0017] A mounting plate is disposed on the frame and located on the side of the support plate opposite to the screw; the fixed end of the lifting drive component is disposed on the mounting plate.
[0018] In some embodiments, the flow battery stacking device further includes:
[0019] Multiple casters are provided at the bottom of the frame.
[0020] In some embodiments, the flow battery stacking device further includes:
[0021] A handrail is provided on one side of the frame; the handrail includes a hand holding part and two connecting parts, the two connecting parts are spaced apart and respectively connected to the frame, the hand holding part connects the two connecting parts, and the hand holding part is bent away from the frame.
[0022] The flow battery stacking device provided in this application uses a support plate on a frame to mount fixing devices. By setting multiple fixing devices, each fixing the first end of a screw, the multiple screws form a positioning device for positioning the end plate, thereby achieving precise positioning of the end plate. Since the screw is part of the flow battery itself, the subsequent screw assembly steps are eliminated, which helps improve stacking efficiency. Furthermore, the elimination of additional positioning devices simplifies the structure of the flow battery stacking device, saving equipment costs. During flow battery stacking, the first end of the screw is first fixed using the fixing devices. An end plate is then fitted onto multiple screws, and several battery cells are sequentially stacked onto the end plate. Finally, another end plate is fitted onto multiple screws, and the screws are locked, thus forming the battery stack. The entire stack can then be removed from the flow battery stacking device. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the structure of a flow battery stack provided in one embodiment of this application;
[0024] Figure 2 This is a schematic diagram of the structure of a flow battery stacking device provided in one embodiment of this application;
[0025] Figure 3 This is a schematic diagram of the structure of the flow battery stacking device and screw adapted in one embodiment of this application;
[0026] Figure 4 This is a three-dimensional structural diagram of the fixing device provided in one embodiment of this application;
[0027] Figure 5 This is a structural schematic diagram of one arrangement of magnets in a fixing device provided in an embodiment of this application;
[0028] Figure 6 This is a structural schematic diagram of another arrangement of magnets in a fixing device provided in one embodiment of this application.
[0029] Explanation of reference numerals in the attached figures:
[0030] 100. Battery stack; 110. Cell battery; 120. End plate; 130. Screw; 131. First end; 132. Second end; 140. Nut;
[0031] 1. Frame;
[0032] 2. Support plate;
[0033] 3. Fixing device; 31. Fixing block; 311. Insertion hole; 32. Magnet;
[0034] 4. Mounting plate;
[0035] 5. Casters;
[0036] 6. Handrail; 61. Handrail part; 62. Connecting part. Detailed Implementation
[0037] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0038] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0039] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0040] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0041] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via 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. Similarly, "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.
[0042] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.
[0043] See Figure 1 , Figure 1 This is a schematic diagram of the structure of a flow battery stack 100 provided in one embodiment of this application. The stack 100 includes end plates 120, a plurality of battery cells 110, and a plurality of screws 130 connecting and securing the plurality of battery cells 110. The plurality of battery cells 110 are stacked sequentially, and end plates 120 are respectively provided on both sides of the stacked battery cells 110. The screws 130 connect the two end plates 120. The end of the screw 130 extending out of the end plate 120 is provided with a nut 140. By tightening the nut 140, the screw 130 secures the two end plates 120. During assembly, the lower end plate 120, the plurality of battery cells 110, and the upper end plate 120 are stacked sequentially. The two end plates 120 are secured by tightening the nut 140 of the screw 130, thereby securing the stacked plurality of battery cells 110.
[0044] See Figure 2 and Figure 3 , Figure 2 This is a schematic diagram of the structure of a flow battery stacking device provided in one embodiment of this application; Figure 3 This is a schematic diagram of the structure of the flow battery stacking device and screws in one embodiment of this application. This application provides a flow battery stacking device for stacking flow batteries to assemble the aforementioned battery stack 100. The flow battery stacking device includes a frame 1, a support plate 2, and multiple fixing devices 3. The support plate 2 is disposed on the frame 1. The multiple fixing devices 3 are spaced apart on the support plate 2. The fixing devices 3 are used to fix the first end 131 of the screws 130. The second end 132 of the screws 130 extends away from the support plate 2. An end plate 120 is fitted onto the multiple screws 130 from the second end 132. The multiple screws 130 form a positioning device for positioning the end plate 120.
[0045] The flow battery stacking device provided in this application embodiment uses a support plate 2 on a frame 1 to mount fixing devices 3. By setting multiple fixing devices 3, each fixing device 3 fixing the first end 131 of a screw 130, the multiple screws 130 form a positioning device for positioning the end plate 120, thereby achieving rapid and accurate positioning of the end plate 120. Since the screw 130 is part of the flow battery itself, the subsequent assembly steps of the screw 130 are eliminated, which helps improve stacking efficiency. Moreover, the absence of an additional positioning device simplifies the structure of the flow battery stacking device and helps save equipment costs. When stacking flow batteries, first fix the first end 131 of the screw 130 with the fixing device 3, put an end plate 120 on multiple screws 130, then stack several battery cells 110 on the end plate 120 in sequence, then put another end plate 120 on multiple screws 130 and lock the screws 130, thus processing the battery stack 100, which can be removed from the flow battery stacking device.
[0046] It should be noted that when the battery stack 100 is stacked, there are matching structures, such as slots and protrusions, between adjacent battery cells 110 and between battery cells 110 and end plates 120, to achieve relative positioning during the stacking process. Therefore, in this embodiment, the positioning of the end plate 120 is the main focus.
[0047] Optionally, such as Figure 3 As shown, the frame 1 is a square frame structure, and the support plate 2 is set on the upper side of the frame 1. After the screws 130 are fixed, they are perpendicular to the support plate 2 to form a guide rail, so that the end plate 120 slides down along each screw 130 to abut against the upper surface of the fixing device 3. The number of screws 130 and the spacing between them are set according to the parameters of each screw 130 in the stacked electric stack 100.
[0048] In some embodiments, to facilitate the transfer of the flow battery stacking device, the flow battery stacking device also includes multiple casters 5, which are disposed at the bottom of the frame 1. In this embodiment, four casters 5 are provided, and the four casters 5 are respectively disposed at the four corners of the frame 1 to improve the stability of the flow battery stacking device.
[0049] Please continue reading. Figure 3To facilitate the movement of the flow battery stacking device, the device also includes a handrail 6, which is located on one side of the frame 1. The flow battery stacking device can be moved by pushing the handrail 6. Specifically, the handrail 6 includes a handle 61 and two connecting parts 62, which are spaced apart and connected to the frame 1 respectively. The handle 61 connects to the two connecting parts 62, and the handle 61 is bent away from the frame 1 to improve the operating comfort of the handrail 6.
[0050] In some embodiments, the surface of the fixing device 3 facing the second end 132 of the screw 130 (i.e., the upper surface of the fixing device 3) is set as a plane, which is used to support the end plate 120 sleeved on the screw 130. By setting the upper surface of the fixing device 3 as a plane, it is beneficial to improve the support stability of the fixing device 3 on the lower end plate 120.
[0051] Optionally, the upper surfaces of multiple fixing devices 3 are located on the same plane so that each fixing device 3 together forms a support surface for the end plate 120, thereby further improving the stability of the end plate 120.
[0052] In some embodiments, combined with Figure 3 and Figure 4 As shown, Figure 4 This is a perspective structural diagram of the fixing device 3 provided in one embodiment of this application. The fixing device 3 includes a fixing block 31, on which an insertion hole 311 extending along the stacking direction of the battery cells 110 is provided, and the first end 131 of the screw 130 can be inserted into the insertion hole 311. By providing the insertion hole 311 on the fixing block 31, the first end 131 of the screw 130 is inserted into the insertion hole 311 for fixing, making the installation and removal of the screw 130 in the insertion hole 311 extremely quick.
[0053] Specifically, each fixing block 31 is set to a preset height along the stacking direction of the battery cell 110. This preset height is based on ensuring that the socket 311 can reach the required depth, so as to ensure good stability after the screw 130 is inserted into the socket 311 and will not produce radial wobbling.
[0054] Optionally, the fixing block 31 is cylindrical, and the insertion hole 311 is concentrically positioned with the fixing block 31.
[0055] The relative positions of the screws 130 may differ for different flow battery models. To ensure the flow battery stacking device is compatible with different flow battery models, some embodiments are described in detail below. Figure 3 The fixing device 3 is adjustablely positioned on the support plate 2. The position of the fixing device 3 can be flexibly adjusted for assembling different types of flow batteries, so that the spacing between multiple fixing devices 3 matches the screws 130 of the assembled battery stack 100.
[0056] In some embodiments, the fixing device 3 is magnetically attached to the support plate 2. Of course, the fixing device 3 can also be installed on the support plate by means of snap-fit or clamp, etc. The specific connection method is not limited here.
[0057] Please see Figure 5 and Figure 6 , Figure 5 This is a structural schematic diagram of one arrangement of magnets in a fixing device provided in an embodiment of this application; Figure 6 This is a structural schematic diagram of another arrangement of magnets in a fixing device provided in one embodiment of this application.
[0058] To achieve magnetic attraction of the fixing device 3 to the support plate 2, the fixing device 3 also includes a magnet 32, which is embedded in the bottom side of the fixing block 31 so as to be attracted to the support plate 2 by means of the magnet 32. Two configurations of the magnet 32 are listed in the embodiments of this application, such as... Figure 5 As shown, a single, circular magnet 32 is provided, concentrically positioned with the fixing block 31. Figure 6 As shown, four magnets 32 are provided, and the four magnets 32 are spaced apart along the edge of the fixing block. The magnets 32 can be circular or polygonal, and there is no restriction here.
[0059] In some embodiments, please refer back to the documentation. Figure 3 The support plate 2 is movably mounted on the frame 1. The flow battery stacking device also includes a lifting drive (not shown in the figure), which is configured to drive the support plate 2 to reciprocate along the extension direction of the screw 130. By setting the lifting drive to drive the support plate 2 to reciprocate along the extension direction of the screw 130, the operator can adjust the support plate 2 to a suitable operating height according to factors such as their own height or the convenience of operating the robotic arm.
[0060] To facilitate the installation of the lifting drive component, the flow battery stacking device also includes a mounting plate 4, which is disposed on the frame 1 and located on the side of the support plate 2 opposite to the screw 130; the fixed end of the lifting drive component is disposed on the mounting plate 4. The mounting plate 4 provides mounting support for the lifting drive component.
[0061] Optionally, the lifting drive can be a linear cylinder or an electric cylinder, or even a motor-screw module. To facilitate easy movement of the flow battery stacking device, manual drive structures, such as a hand-cranked lifting mechanism, can also be provided. These linear drive structures are all very common in the prior art, and their specific structures and working principles will not be elaborated upon here.
[0062] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0063] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A flow battery stacking device, characterized in that, For stacking flow batteries, the flow battery includes an end plate (120), a plurality of battery cells (110), and a plurality of screws (130) for securing the end plate (120) and the plurality of battery cells (110); the flow battery stacking device includes: Frame (1); A support plate (2) is mounted on the frame (1); Multiple fixing devices (3) are spaced apart on the support plate (2). The fixing devices (3) are used to fix the first end (131) of the screw (130). The second end (132) of the screw (130) extends away from the support plate (2). The end plate (120) is sleeved on the multiple screws (130) from the second end (132). The multiple screws (130) form a positioning device for positioning the end plate (120).
2. The flow battery stacking device according to claim 1, characterized in that, The surface of the fixing device (3) facing the second end (132) of the screw (130) is set as a plane, which is used to support the end plate (120) sleeved on the screw (130).
3. The flow battery stacking device according to claim 1, characterized in that, The fixing device (3) is adjustablely positioned on the support plate (2).
4. The flow battery stacking device according to claim 3, characterized in that, The fixing device (3) is magnetically attached to the support plate (2).
5. The flow battery stacking device according to claim 1, characterized in that, The fixing device (3) includes a fixing block (31), on which a socket (311) extending along the stacking direction of the battery cell (110) is provided, and the first end (131) of the screw (130) can be inserted into the socket (311).
6. The flow battery stacking device according to claim 5, characterized in that, Each of the fixed blocks (31) is set to a preset height along the stacking direction of the battery cells (110).
7. The flow battery stacking device according to any one of claims 1 to 6, characterized in that, The support plate (2) is movably mounted on the frame (1); The flow battery stacking device further includes: A lifting drive is configured to drive the support plate (2) to reciprocate along the extension direction of the screw (130).
8. The flow battery stacking device according to claim 7, characterized in that, The flow battery stacking device further includes: Mounting plate (4) is provided on the frame (1) and located on the side of the support plate (2) away from the screw (130); the fixed end of the lifting drive component is provided on the mounting plate (4).
9. The flow battery stacking device according to any one of claims 1 to 6, characterized in that, The flow battery stacking device further includes: Multiple casters (5) are provided at the bottom of the frame (1).
10. The flow battery stacking device according to claim 9, characterized in that, The flow battery stacking device further includes: Handrail (6) is provided on one side of the frame (1); the handrail (6) includes a hand holding part (61) and two connecting parts (62), the two connecting parts (62) are spaced apart and respectively connected to the frame (1), the hand holding part (61) connects the two connecting parts (62), and the hand holding part (61) is bent away from the frame (1).