Electric core electricity supplementing auxiliary device

Abstract

The utility model provides a battery cell charging auxiliary device, which is used for assisting charging equipment in charging a battery cell, and comprises a fixing part, the fixing part comprises a positive pole support, a negative pole support and a rotating shaft, the positive pole support and the negative pole support are arranged in a staggered manner, and the rotating shaft penetrates through the staggered position of the positive pole support and the negative pole support. The positive electrode bracket and the negative electrode bracket can rotate around the rotating shaft; the conversion part comprises connecting ends arranged at the end parts of the positive pole bracket and the negative pole bracket and switching ends arranged on the positive pole bracket and the negative pole bracket, the switching ends can be conducted with the connecting ends, and the connecting ends can be conducted with the pole columns of the battery cell; the locking part can restrain the relative position of the positive electrode bracket and the negative electrode bracket; and when the connecting end is inserted into the battery pack shell, the switching end can be exposed out of the battery pack shell. According to the auxiliary device for battery cell electricity supplement, the working efficiency of battery cell electricity supplement can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery pack technology, and in particular to a battery cell charging auxiliary device. Background Technology

[0002] In the field of new energy vehicles, battery packs, as core energy storage components, are typically integrated from a large number of cells connected in series or parallel. During the charging process, once a cell reaches the preset maximum charging voltage, the charging process of the entire battery pack will immediately terminate, resulting in the remaining cells not being fully charged. Correspondingly, during the discharging process, if the voltage of any cell drops to the minimum discharging voltage, the discharging will also stop immediately, causing some cells to not fully release their charge. This inconsistency in SOC (State of Charge, i.e., the remaining battery capacity) between cells has a significant impact on the overall charging and discharging efficiency and energy output of the battery pack.

[0003] As battery packs are used for longer periods, the consistency of the State of Charge (SOC) of the internal cells gradually deteriorates, leading to outliers in cell performance. This not only significantly shortens the driving range of electric vehicles but also increases the error in SOC estimation, affecting the driving experience and the accuracy of the battery management system.

[0004] To address the aforementioned issues, individually charging cells with significant State of Charge (SOC) deviations within the battery pack is an effective way to improve cell consistency and extend vehicle range. However, when dealing with battery packs with special structures such as blade batteries with tabs on both sides, traditional charging equipment, such as alligator clip chargers, cannot directly clamp onto the terminals due to the lack of easy-to-connect contact points on the cell terminals. This necessitates welding or bonding the positive and negative output wires of the charger to the positive and negative terminals of the battery, resulting in cumbersome operation and hindering the efficiency of cell charging. Utility Model Content

[0005] In view of this, the present invention aims to provide a battery cell charging auxiliary device to improve the working efficiency of battery cell charging.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] A battery cell charging auxiliary device, used to assist charging equipment in charging battery cells, includes:

[0008] The fixing part includes a positive electrode bracket, a negative electrode bracket, and a rotating shaft. The positive electrode bracket and the negative electrode bracket are arranged alternately. The rotating shaft passes through the intersection of the positive electrode bracket and the negative electrode bracket so that the positive electrode bracket and the negative electrode bracket can rotate around the rotating shaft.

[0009] The conversion section includes a connecting end disposed at the ends of the positive electrode support and the negative electrode support, and an adapter end disposed on the positive electrode support and the negative electrode support. The adapter end can be connected to the connecting end, and the connecting end can be connected to the terminal of the battery cell.

[0010] A locking part, which can constrain the relative positions of the positive electrode support and the negative electrode support;

[0011] When the connector is inserted into the battery pack housing, the adapter may be exposed outside the battery pack housing.

[0012] Furthermore, both the positive electrode support and the negative electrode support are arranged in a Z-shape.

[0013] Furthermore, both the positive electrode support and the negative electrode support are made of PET board.

[0014] Furthermore, the conversion part includes a contact, a wire, and an adapter post. The contact is disposed on the connection end and can abut against the terminal of the battery cell. The adapter post is disposed on the adapter end and is electrically connected to the contact disposed on the same plate via the wire.

[0015] Furthermore, the contacts are copper contacts; and / or, the adapter post is a copper post.

[0016] Furthermore, a handle is hinged to the positive electrode bracket, and the locking part is slidably disposed on the handle.

[0017] Furthermore, the locking part includes an elastic element and a slider slidably disposed on the handle. One end of the elastic element is connected to the handle, and the other end of the elastic element is connected to the slider. The end of the negative electrode bracket can be engaged with the slider, and when the end of the negative electrode bracket is engaged with the slider, the elastic element is in a stretched state.

[0018] Furthermore, the slider is provided with a limiting groove, and the negative electrode bracket is provided with a locking block extending outward. When the end of the negative electrode bracket is locked onto the slider, the locking block is locked into the limiting groove.

[0019] Furthermore, the elastic element is a spring.

[0020] Furthermore, the slider is provided with a gripping part extending outward.

[0021] Compared with the prior art, this utility model has the following advantages:

[0022] The battery cell charging auxiliary device of this utility model can be fixed on the battery cell to be charged by the setting of the fixing part. The setting of the conversion part can conduct the battery cell terminal through the conversion end, which is beneficial to complete the charging operation when it is not convenient to directly connect the battery cell terminal for charging. The setting of the locking part can help maintain the connection stability during battery cell charging. The structure is simple and easy to design and implement.

[0023] Furthermore, the Z-shaped arrangement of both the positive and negative electrode supports simplifies the structure and facilitates the arrangement of the connection and adapter ends, making it easy to design and implement. The fact that both the positive and negative electrode supports are made of PET board facilitates processing and design implementation. The conversion section includes contacts, wires, and adapter posts, ensuring conductivity and simplifying its placement on the mounting section, further facilitating design and implementation. The use of copper contacts and copper adapter posts simplifies processing and ensures conductivity, further aiding in design and implementation.

[0024] Furthermore, the handle facilitates the arrangement of the locking mechanism and makes it easy to retrieve the auxiliary device, thus aiding in design implementation. The slider allows for easy adaptation to different positions of the positive and negative electrode supports, facilitating locking. The elastic element further enhances the locking of both the positive and negative electrode supports, simplifying design implementation. The limiting groove and locking block allow the end of the negative electrode support to engage with the block, improving the engagement between the negative electrode support and the slider, further facilitating design implementation. The use of a spring as the elastic element results in a simple structure, easy manufacturing, and design implementation. The gripping part facilitates the sliding of the slider on the handle, maintaining a simple structure and simplifying design implementation. Attached Figure Description

[0025] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0026] Figure 1 This is a schematic diagram of the battery cell charging device described in an embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram showing the usage state of the battery cell charging device described in this embodiment of the utility model;

[0028] Figure 3 for Figure 1 Enlarged view of point A;

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Fixing part;

[0031] 101. Positive electrode support; 102. Negative electrode support; 103. Rotary shaft; 104. Handle; 105. Locking block;

[0032] 2. Conversion section;

[0033] 201. Connecting end; 202. Adapter end;

[0034] 3. Locking part;

[0035] 301. Slider; 302. Elastic element; 303. Limiting groove; 304. Gripping part;

[0036] 4. Battery cell; 5. Battery pack casing. Detailed Implementation

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0038] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 utility model. Furthermore, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] Taking the battery cell charging auxiliary device described in this utility model as an example, the directional terms used in the embodiments, such as "up," "down," "left," "right," "front," and "back," are defined based on the vertical direction (also known as the height direction), horizontal direction (also known as the width direction), and front-back direction (also known as the length direction) of the battery cell charging auxiliary device. "Inner" and "outer" are defined based on the outline of the corresponding components. For example, "inner" and "outer" are defined based on the outline of the battery cell charging auxiliary device. The side of the outline of the battery cell charging auxiliary device closer to the middle of the battery cell charging auxiliary device is "inner," and the opposite side is "outer."

[0040] Furthermore, in the description of this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0041] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0042] Example 1

[0043] This embodiment relates to a battery cell 4 charging auxiliary device, which aims to improve the charging efficiency of battery cell 4 by optimizing the structure of the battery cell 4 charging auxiliary device.

[0044] In terms of overall structure, such as Figures 1 to 3 As shown, the battery cell 4 charging auxiliary device in this embodiment is used to assist the charging equipment in charging the battery cell 4, and includes a fixing part 1, a conversion part 2 and a locking part 3.

[0045] The fixing part 1 includes a positive electrode bracket 101, a negative electrode bracket 102, and a rotating shaft 103. The positive electrode bracket 101 and the negative electrode bracket 102 are staggered. The rotating shaft 103 passes through the staggered part of the positive electrode bracket 101 and the negative electrode bracket 102 so that the positive electrode bracket 101 and the negative electrode bracket 102 can rotate around the rotating shaft 103. The conversion part 2 includes a connecting end 201 provided at the end of the positive electrode bracket 101 and the negative electrode bracket 102, and an adapter end 202 provided on the positive electrode bracket 101 and the negative electrode bracket 102. The adapter end 202 can communicate with the connecting end 201, and the connecting end 201 can communicate with the terminal post of the battery cell 4. The locking part 3 can constrain the relative position of the positive electrode bracket 101 and the negative electrode bracket 102. When the connecting end 201 is inserted into the battery pack housing 5, the adapter end 202 can be exposed outside the battery pack housing 5.

[0046] As configured above, the battery cell 4 charging auxiliary device in this embodiment can be fixed on the battery cell 4 to be charged by the setting of the fixing part 1. By setting the conversion part 2, the terminal of the battery cell 4 can be connected through the adapter 202, which is beneficial to complete the charging operation when it is not convenient to directly connect the terminal of the battery cell 4 for charging. By setting the locking part 3, it is easy to maintain the connection stability of the battery cell 4 during charging. The structure is simple and easy to design and implement.

[0047] Specifically, in this embodiment, as an exemplary structure, combined with Figure 1 and Figure 2 As shown, in this embodiment, both the positive electrode support 101 and the negative electrode support 102 are arranged in a Z-shape, which makes the structure simple and facilitates the arrangement of the connection end 201 and the adapter end 202. The simple structure is conducive to design and implementation.

[0048] It is worth mentioning that, in this embodiment, the positive electrode support 101 and the negative electrode support 102 rotate around the pivot 103 when they move. When the top ends of the positive electrode support 101 and the negative electrode support 102 are subjected to force and move closer to each other, the bottom ends of the positive electrode support 101 and the negative electrode support 102 also move closer to each other as the positive electrode support 101 and the negative electrode support 102 rotate.

[0049] More specifically, in this embodiment, both the positive electrode support 101 and the negative electrode support 102 are made of PET board, which makes them easy to process and facilitates design and implementation.

[0050] Furthermore, in order to better conduct the electrode of the battery cell 4 to the conversion unit 2, the conversion unit 2 in this embodiment includes contacts, wires and adapter posts. The contacts are located on the connection end 201 and can abut against the electrode of the battery cell 4. The adapter posts are located on the adapter end 202 and are electrically connected to the contacts located on the same plate through wires. This makes the conversion unit 2 include contacts, wires and adapter posts, which helps to ensure the conduction effect, and the structure is simple, which facilitates the arrangement of the conversion unit 2 on the fixing part 1 and is conducive to design and implementation.

[0051] Specifically, in this embodiment, the contacts can be copper contacts, and the adapter post can be a copper post. Both the contacts and the copper post are embedded in the fixing part 1 and are connected by wires, so that the contacts are copper contacts and the adapter post is a copper post, which is convenient for processing, helps to ensure the conduction effect, and facilitates design and implementation.

[0052] In addition, to facilitate the handling of the battery cell 4 charging auxiliary device in this embodiment, combined with Figures 1 to 3 As shown, in this embodiment, a handle 104 is hinged to the positive electrode bracket 101 of the battery cell 4 charging auxiliary device, and a locking part 3 is slidably disposed on the handle 104. The handle 104 facilitates the arrangement of the locking part 3 and makes it easier to pick up the auxiliary device, which is helpful for design and implementation.

[0053] Specifically, in this embodiment, the locking part 3 includes an elastic element 302 and a slider 301 slidably disposed on the handle part 104. One end of the elastic element 302 is connected to the handle part 104, and the other end of the elastic element 302 is connected to the slider 301. The end of the negative electrode bracket 102 can be engaged with the slider 301. When the end of the negative electrode bracket 102 is engaged with the slider 301, the elastic element 302 is in a stretched state. The slider 301 is designed to adapt to different positions of the positive electrode bracket 101 and the negative electrode bracket 102, which is conducive to the locking of the locking part 3. The elastic element 302 is also designed to help lock the positive electrode bracket 101 and the negative electrode bracket 102, which is conducive to design and implementation.

[0054] More specifically, in this embodiment, the elastic element 302 can be, for example, a spring. Making the elastic element 302 a spring results in a simple structure, easy processing, and convenient design and implementation. One end of the spring is connected to the handle 104, and the other end of the spring is connected to the slider 301. When the slider 301 slides on the handle 104, the spring stretches, so that when the slider 301 is engaged with the negative electrode bracket 102, the spring's retraction force is applied to the slider 301, thereby improving the locking effect of the positive electrode bracket 101 and the negative electrode bracket 102.

[0055] To better lock the positive electrode bracket 101 and the negative electrode bracket 102, the slider 301 in this embodiment is provided with a limiting groove 303, and the negative electrode bracket 102 is provided with a locking block 105 extending outward. When the end of the negative electrode bracket 102 is locked onto the slider 301, the locking block 105 is locked into the limiting groove 303. Through the setting of the limiting groove 303 and the locking block 105, it is easy for the end of the negative electrode bracket 102 to be locked onto the locking block 105, which helps to improve the locking effect between the negative electrode bracket 102 and the slider 301 and facilitates design and implementation.

[0056] To facilitate the operation of slider 301, combined with Figures 1 to 3 As shown, in this embodiment, a gripping part 304 extends outward from the slider 301. When operating the slider 301, the operator can drive the slider 301 to slide on the handle 104 through the gripping part 304, or drive the slider 301 to disengage from the negative electrode bracket 102 through the gripping part 304. The gripping part 304 facilitates the operation of the slider 301 to slide on the handle 104. The structure is simple and easy to design and implement.

[0057] In this embodiment, when using the battery cell 4 charging auxiliary device, first insert the positive electrode bracket 101 and the negative electrode bracket 102 between the battery pack housing 5 and the battery cell 4, corresponding to the positive and negative electrodes of the battery cell 4, respectively. Rotate the positive electrode bracket 101 and the negative electrode bracket 102 so that the contacts are connected to the terminals of the battery cell 4. Rotate the handle 104 to operate the slider 301 so that the slider 301 is engaged with the negative electrode bracket 102 to lock the positive electrode bracket 101 and the negative electrode bracket 102. Clip the alligator clip of the charging device onto the adapter post and start the charging device to complete the charging operation. When removing the battery cell 4 charging auxiliary device in this embodiment, operate the slider 301 to disengage from the negative electrode bracket 102, rotate the positive electrode bracket 101 and the negative electrode bracket 102 to disengage from the battery cell 4, and remove it from the battery pack housing 5.

[0058] The battery cell 4 charging auxiliary device in this embodiment, through the setting of the fixing part 1, facilitates adjustment to adapt to different battery cell 4 sizes. Through the setting of the conversion part 2, it is convenient to charge the battery cell 4 with the output tabs on both sides. Through the setting of the locking part 3, it is possible to lock the positive electrode bracket 101 and the negative electrode bracket 102 during the charging process, keep the connection between the conversion part 2 and the battery cell 4 stable, facilitate the charging operation of the battery cell 4, and make the operation convenient, which helps to improve the working efficiency of the charging operation of the battery cell 4.

[0059] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A battery cell charging auxiliary device, used to assist charging equipment in charging battery cells, characterized in that, include: The fixing part includes a positive electrode bracket, a negative electrode bracket, and a rotating shaft. The positive electrode bracket and the negative electrode bracket are arranged alternately. The rotating shaft passes through the intersection of the positive electrode bracket and the negative electrode bracket so that the positive electrode bracket and the negative electrode bracket can rotate around the rotating shaft. The conversion section includes a connecting end disposed at the ends of the positive electrode support and the negative electrode support, and an adapter end disposed on the positive electrode support and the negative electrode support. The adapter end can be connected to the connecting end, and the connecting end can be connected to the terminal of the battery cell. A locking part, which can constrain the relative positions of the positive electrode support and the negative electrode support; When the connector is inserted into the battery pack housing, the adapter may be exposed outside the battery pack housing.

2. The battery cell charging auxiliary device according to claim 1, characterized in that: Both the positive electrode support and the negative electrode support are arranged in a Z-shape.

3. The cell charging auxiliary device according to claim 2, characterized in that: Both the positive electrode support and the negative electrode support are made of PET board.

4. The cell charging auxiliary device according to claim 1, characterized in that: The conversion unit includes contacts, wires, and adapter posts. The contacts are located on the connection end and can abut against the terminals of the battery cell. The adapter posts are located on the conversion end and are electrically connected to the contacts located on the same plate via the wires.

5. The battery cell charging auxiliary device according to claim 4, characterized in that: The contacts are copper contacts; and / or, The adapter post is a copper post.

6. The cell charging auxiliary device according to any one of claims 1-5, characterized in that: A handle is hinged to the positive electrode support, and a locking part is slidably disposed on the handle.

7. The cell charging auxiliary device according to claim 6, characterized in that: The locking part includes an elastic element and a slider that is slidably disposed on the handle. One end of the elastic element is connected to the handle, and the other end of the elastic element is connected to the slider. The end of the negative electrode bracket can be snapped onto the slider, and when the end of the negative electrode bracket is snapped onto the slider, the elastic element is in a stretched state.

8. The cell charging auxiliary device according to claim 7, characterized in that: The slider is provided with a limiting groove, and the negative electrode bracket is provided with a locking block extending outward. When the end of the negative electrode bracket is locked onto the slider, the locking block is locked into the limiting groove.

9. The cell charging auxiliary device according to claim 7, characterized in that: The elastic element is a spring.

10. The cell charging auxiliary device according to claim 7, characterized in that: The slider has a gripping part extending outward.

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