A charging and discharging clamp compatible with multiple types of battery cells

Abstract

The application discloses a charging and discharging clamp compatible with multiple types of battery cells, which comprises a plurality of battery cell clamps, an adjusting cross beam, a probe module, a soft package battery cell probe clamp jaw and a cylindrical battery cell clamp fixing piece, the cylindrical battery cell clamp fixing piece is fixed on one of the battery cell clamps, the probe module and the soft package battery cell probe clamp jaw are fixed on the adjusting cross beam to adapt to battery cells of different sizes; the cylindrical battery cell clamp fixing piece and the probe module are used for fixing and charging and discharging cylindrical hard shell battery cells, the battery cell clamp and the probe module are used for fixing and charging and discharging non-cylindrical hard shell battery cells, and the battery cell clamp and the soft package battery cell probe clamp jaw are used for fixing and charging and discharging soft package battery cells. The charging and discharging clamp compatible with multiple types of battery cells can adapt to the charging and discharging requirements of multiple types of battery cells such as cylindrical hard shell battery cells, non-cylindrical hard shell battery cells and soft package battery cells.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to a charging and discharging fixture compatible with multiple types of battery cells. Background Technology

[0002] The market offers various battery cells in different shapes and sizes, such as button cells, small cylindrical cells, large cylindrical cells, square cells, and pouch cells. Different types of charging and discharging clamps are available to match these cells based on their dimensions and charging / discharging current requirements, and these clamps are very mature in lithium battery mass production lines. However, research institutions and university laboratories prefer to develop a wider variety of battery cells in different sizes, without specific production volume requirements. For this scenario, a device compatible with various cell types and easy to operate manually is needed to meet the needs of formation, capacity testing, and manufacturing of different cell types. Utility Model Content

[0003] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a charging and discharging fixture that is compatible with multiple types of battery cells and can adapt to the charging and discharging needs of multiple types of battery cells.

[0004] The technical solution provided by this utility model is as follows:

[0005] A charging and discharging fixture compatible with multiple types of battery cells includes multiple battery cell clamps, an adjusting beam, a probe module, a soft-pack battery cell probe gripper, and a cylindrical battery cell clamp fixing component. The cylindrical battery cell clamp fixing component is fixed to one of the battery cell clamps. The probe module and the soft-pack battery cell probe gripper are fixed to the adjusting beam. The position of the probe module and the soft-pack battery cell probe gripper can be adjusted by adjusting their own front-to-back position on the adjusting beam and by adjusting the up-down and left-to-right position of the probe module and the soft-pack battery cell probe gripper through the adjusting beam, so as to adapt to battery cells of different sizes. The cylindrical battery cell clamp fixing component and the probe module are used to fix and charge / discharge cylindrical hard-shell battery cells. The battery cell clamps and the probe module are used to fix and charge / discharge non-cylindrical hard-shell battery cells. The battery cell clamps and the soft-pack battery cell probe gripper are used to fix and charge / discharge soft-pack battery cells.

[0006] Preferably, the probe module can be selectively installed on the adjusting beam in the vertical and horizontal directions to be compatible with battery cells with tabs on both the top and bottom sides and battery cells with tabs on both the left and right sides.

[0007] Preferably, the adjusting beam includes an up-and-down adjusting beam and a left-and-right adjusting beam, and the charging and discharging fixture further includes a fixed column; the up-and-down adjusting beam is detachably fixed to the fixed column, and its height can be adjusted by installing it at different up-and-down positions on the fixed column; the left-and-right adjusting beam is detachably fixed to the up-and-down adjusting beam, and its left-and-right position can be adjusted by installing it at different left-and-right positions on the up-and-down adjusting beam; the probe module and the soft-pack battery cell probe gripper are fixed to the left-and-right adjusting beam.

[0008] Preferably, it also includes a fixed base plate, on which the fixed column and the battery cell clamp are fixed.

[0009] Preferably, the battery cell clamp includes a clamp fixing plate, a shaft fixing component, a lead screw, a movable pressure plate, and a wing nut. The clamp fixing plate is used to fix the battery cell clamp. The clamp fixing plate has a through hole, in which the shaft fixing component is installed. The shaft fixing component fixes the lead screw, which passes through the movable pressure plate. A wing nut is installed at the tail of the movable pressure plate. In use, a non-cylindrical hard-shell battery cell is placed between the clamp fixing plate and the movable pressure plate. The movable pressure plate is moved to make it fit tightly against the battery cell, and then the wing nut is manually tightened to apply pressure.

[0010] Preferably, thermally conductive silicone is provided between the clamp fixing plate and the movable pressure plate, so that the non-cylindrical hard-shell battery cell can dissipate heat between itself and the clamp fixing plate and the movable pressure plate through the thermally conductive silicone.

[0011] Preferably, the cylindrical battery cell clamp fixing component includes a main mounting component and an auxiliary mounting component that are respectively fixed to the clamp fixing plate and the movable pressure plate, and thermally conductive silicone is provided on the inner side of both the main mounting component and the auxiliary mounting component.

[0012] Preferably, the probe module includes a probe module fixed base plate, a probe module support plate, a probe module fixed top plate, a movable plate, a probe, and a quick clamp. The probe module support plate is vertically mounted on the fixed base plate, and the probe module fixed top plate is fixed to the other end of the probe module support plate. The probe is fixed to the movable plate, and the quick clamp is fixed above the probe module fixed top plate. The movable end of the quick clamp is fixed to the movable plate, so that the quick clamp can be operated to clamp the probe module fixed top plate and the movable plate onto the adjusting beam, thereby fixing the probe module to the adjusting beam.

[0013] Preferably, a shaft is provided between the probe module fixed top plate and the probe module fixed bottom plate, and a linear bearing is fixed on the movable plate. The shaft and the linear bearing cooperate to guide the movable plate to move linearly relative to the probe module fixed top plate.

[0014] Compared to existing technologies, this utility model is a charging and discharging fixture compatible with multiple types of battery cells. By setting up multiple battery cell clamps, adjusting beams, probe modules, soft-pack battery cell probe grippers, and cylindrical battery cell clamp fixing parts, it can adapt to the charging and discharging needs of various types of battery cells, such as cylindrical hard-shell battery cells, non-cylindrical hard-shell battery cells, and soft-pack battery cells of different sizes. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of a charging and discharging fixture compatible with multiple types of battery cells according to an embodiment of this utility model;

[0017] Figure 2 for Figure 1 The diagram shows the structure of the battery cell clamp in the charging and discharging fixture.

[0018] Figure 3 for Figure 1 A schematic diagram of the cylindrical battery cell clamp fixing component in the charging and discharging fixture shown;

[0019] Figure 4 for Figure 1 A schematic diagram of the probe module in the charging and discharging fixture is shown.

[0020] Figure 5 for Figure 1 The diagram shows the structure of the probe gripper for the soft-pack battery cell in the charging and discharging fixture. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0024] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0025] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0026] like Figures 1 to 5 As shown in the embodiment of this utility model, the charging and discharging fixture compatible with multiple types of battery cells mainly includes multiple battery cell clamps 1, an adjusting beam, a probe module 3, a soft-pack battery cell probe gripper 4, a cylindrical battery cell clamp fixing component 5, a fixing column 6, and a fixing base plate 7.

[0027] The base plate 7 is used to mount the fixing columns 6 and the battery cell clamps. The fixing columns 6 are important components that fix the adjusting beam and support the moving parts of the entire clamp. There are four fixing columns 6, which are installed at the four corners of the base plate 7.

[0028] The battery cell clamp 1 and the cylindrical battery cell clamp fixing part 5 are used to fix and pressurize the battery cell. The battery cell clamp 1 can be freely adapted to the position by cooperating with the holes on the fixing base plate 7.

[0029] like Figure 2As shown, in this embodiment, the battery cell clamp 1 includes a clamp fixing plate 11, a shaft fixing member 12, a lead screw 13, a movable pressure plate 14, and a wing nut 15. The clamp fixing plate 11 is used to fix the battery cell clamp 1. The clamp fixing plate 11 has a through hole, in which the shaft fixing member 12 is installed. The shaft fixing member 12 fixes the lead screw 13, which passes through the movable pressure plate 14. The wing nut 15 is installed at the tail of the movable pressure plate 14. In use, a non-cylindrical hard-shell battery cell is placed between the clamp fixing plate 11 and the movable pressure plate 14. The movable pressure plate 14 is moved to make it fit tightly against the battery cell, and then the wing nut 15 is manually tightened to apply pressure. A first thermally conductive silicone 16 is also provided between the clamp fixing plate 11 and the movable pressure plate 14 to allow heat dissipation between the battery cell and the clamp fixing plate 11 and the movable pressure plate 14 through the first thermally conductive silicone 16.

[0030] like Figure 3 As shown, in this embodiment, the cylindrical battery cell clamp fixing member 5 is fixed to one of the battery cell clamps 1. The cylindrical battery cell clamp fixing member 5 includes a main mounting member 51 and an auxiliary mounting member 52, which are respectively fixed to the clamp fixing plate 11 and the movable pressure plate 14. The inner sides of the main mounting member 51 and the auxiliary mounting member 52 are respectively padded with a second thermally conductive silicone 53 and a third thermally conductive silicone 54.

[0031] like Figure 1 As shown, in this embodiment, the adjusting beam includes a vertical adjusting beam 21 and a horizontal adjusting beam 22. The vertical adjusting beam 21 is detachably fixed to the fixed column 6, and its height can be adjusted by installing it at different vertical positions on the fixed column 6. The horizontal adjusting beam 22 is detachably fixed to the vertical adjusting beam 21, and its left and right positions can be adjusted by installing it at different left and right positions on the vertical adjusting beam 21.

[0032] In this embodiment, the probe module 3 and the soft-pack battery cell probe gripper 4 are fixed on the left and right adjusting beam 22. The positions of the probe module 3 and the soft-pack battery cell probe gripper 4 can be adjusted by adjusting their own front-to-back position on the adjusting beam and by adjusting the up-down and left-to-right positions of the probe module 3 and the soft-pack battery cell probe gripper 4 through the adjusting beam, so as to adapt to battery cells of different sizes. The probe module 3 can be selectively installed on the adjusting beam in the up-down direction and the left-to-right direction to be compatible with battery cells with tabs on both the top and bottom sides and battery cells with tabs on both the left and right sides.

[0033] like Figure 4As shown, in this embodiment, the probe module 3 includes a probe module fixing base plate 31, a probe module support plate 32, a probe module fixing top plate 33, a movable plate 34, a probe 35, and a quick clamp 36. The probe module support plate 32 is vertically mounted on the fixing base plate 31. The probe module fixing top plate 33 is fixed to the other end of the probe module support plate 32. The probe 35 is fixed on the movable plate 34. The quick clamp 36 is fixed above the probe module fixing top plate 33. The movable end of the quick clamp 36 is fixed to the movable plate 34, so that the quick clamp 36 can be operated to clamp the probe module fixing top plate 33 and the movable plate 34 onto the adjusting beam, thereby fixing the probe module 3 to the adjusting beam. A shaft 37 is provided between the probe module fixing top plate 33 and the probe module fixing base plate 31. A linear bearing 38 is fixed on the movable plate 34. The shaft 37 and the linear bearing 38 cooperate to guide the movable plate 34 to move linearly relative to the probe module fixing top plate 33. When the probe module 3 is installed on the adjusting beam in the vertical direction (i.e., the probe module 3 spans across the upper and lower adjusting beams), it can be used to adapt to battery cells with tabs on both the upper and lower sides; when the probe module 3 is installed on the adjusting beam in the horizontal direction (i.e., the probe module 3 spans across the sides of the left and right adjusting beams), it can be used to adapt to battery cells with tabs on both the left and right sides.

[0034] like Figure 5 As shown, in this embodiment, the soft-pack battery cell probe gripper 4 is used to hold the tabs of the soft-pack battery cell for charging and discharging. It is equipped with a connecting wire 41, which can be used to attach it to the left and right adjusting beam 22.

[0035] Among them, the cylindrical cell clamp fixing component 5 and the probe module 3 are used to fix and charge / discharge the cylindrical hard-shell cell, the cell clamp 1 and the probe module 3 are used to fix and charge / discharge the non-cylindrical hard-shell cell, and the cell clamp 1 and the soft-pack cell probe gripper 4 are used to fix and charge / discharge the soft-pack cell.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A charging and discharging fixture compatible with multiple types of battery cells, characterized in that, The device includes multiple cell clamps, an adjusting beam, a probe module, soft-pack cell probe grippers, and a cylindrical cell clamp fixing component. The cylindrical cell clamp fixing component is fixed to one of the cell clamps. The probe module and soft-pack cell probe grippers are fixed to the adjusting beam. The positions of the probe module and soft-pack cell probe grippers can be adjusted by adjusting their own front-to-back position on the adjusting beam and by adjusting the up-down and left-to-right positions of the probe module and soft-pack cell probe grippers through the adjusting beam, so as to adapt to cells of different sizes. The cylindrical cell clamp fixing component and the probe module are used to fix and charge / discharge cylindrical hard-shell cells. The cell clamps and the probe module are used to fix and charge / discharge non-cylindrical hard-shell cells. The cell clamps and soft-pack cell probe grippers are used to fix and charge / discharge soft-pack cells.

2. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 1, characterized in that, The probe module can be selectively installed on the adjusting beam in the vertical and horizontal directions to be compatible with battery cells with tabs on both the top and bottom sides and battery cells with tabs on both the left and right sides.

3. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 1, characterized in that, The adjusting beam includes an up-and-down adjusting beam and a left-and-right adjusting beam, and the charging and discharging fixture also includes a fixed column; the up-and-down adjusting beam is detachably fixed to the fixed column, and its height can be adjusted by installing it at different up-and-down positions on the fixed column; the left-and-right adjusting beam is detachably fixed to the up-and-down adjusting beam, and its left-and-right position can be adjusted by installing it at different left-and-right positions on the up-and-down adjusting beam; the probe module and the soft-pack battery cell probe gripper are fixed to the left-and-right adjusting beam.

4. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 3, characterized in that, It also includes a fixed base plate, on which the fixed column and the cell clamp are fixed.

5. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 1, characterized in that, The battery cell clamp includes a clamp fixing plate, a shaft fixing component, a lead screw, a movable pressure plate, and a wing nut. The clamp fixing plate is used to fix the battery cell clamp. The clamp fixing plate has a through hole, in which the shaft fixing component is installed. The shaft fixing component fixes the lead screw, which passes through the movable pressure plate. A wing nut is installed at the tail of the movable pressure plate. In use, a non-cylindrical hard-shell battery cell is placed between the clamp fixing plate and the movable pressure plate. The movable pressure plate is moved to make it fit tightly against the battery cell, and then the wing nut is manually tightened to apply pressure.

6. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 5, characterized in that, Thermally conductive silicone is provided between the clamp fixing plate and the movable pressure plate, so that the non-cylindrical hard-shell battery cell can dissipate heat between itself and the clamp fixing plate and the movable pressure plate through the thermally conductive silicone.

7. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 5, characterized in that, The cylindrical battery cell clamp fixing component includes a main mounting component and an auxiliary mounting component, which are respectively fixed to the clamp fixing plate and the movable pressure plate. Thermally conductive silicone is padded on the inner side of both the main mounting component and the auxiliary mounting component.

8. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 1, characterized in that, The probe module includes a probe module base plate, a probe module support plate, a probe module top plate, a movable plate, a probe, and a quick clamp. The probe module support plate is vertically mounted on the base plate, and the probe module top plate is fixed to the other end of the probe module support plate. The probe is fixed to the movable plate, and the quick clamp is fixed above the probe module top plate. The movable end of the quick clamp is fixed to the movable plate, so that the quick clamp can be operated to clamp the probe module top plate and the movable plate onto the adjusting beam, thereby fixing the probe module to the adjusting beam.

9. The charging and discharging fixture compatible with multiple types of battery cells as described in claim 8, characterized in that, A shaft is provided between the probe module fixed top plate and the probe module fixed bottom plate, and a linear bearing is fixed on the movable plate. The shaft and the linear bearing cooperate to guide the movable plate to move linearly relative to the probe module fixed top plate.

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