Battery cell holder and battery cell module

Abstract

The utility model relates to a kind of electric core support and electric core module, electric core support includes electric core installation surface, the electric core installation surface is equipped with electric core slot, interval is formed between adjacent electric core slot and is isolated from connection area, at least part the isolated connection area is equipped with the guide for guiding electric core assembly to electric core slot, the face of the guide towards the electric core slot is guide surface, the edge of guide surface close to the electric core slot is connected with the edge of the top of the electric core slot, the guide surface from the edge of the top of the electric core slot to the top of the guide is inclined extension in the direction of away from the electric core slot.The electric core support designed in the utility model reduces the production of defective products in the electric core plug-in process, improves production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery technology, and in particular to a cell support and a cell module. Background Technology

[0002] With the rapid development of the new energy industry, lithium batteries, as high-efficiency energy storage devices, have been widely used in electric vehicles, energy storage systems, consumer electronics, and other fields. As the core component of lithium batteries, the assembly and fixing methods of the battery cells directly affect the battery's performance, safety, and lifespan. The cell support, as a key structural component of the cell assembly, is mainly used for positioning, fixing, and insulating the cells, and is an important component ensuring the stability and safety of the battery pack. Lithium battery cells have various structures, including cylindrical cells, square aluminum-cased cells, and pouch cells. Cylindrical cells need to be assembled in series and parallel to achieve the required voltage and battery capacity. During the production process, after sorting, the cells are inserted into the cell support using automated equipment. Due to the fast production cycle, high-precision positioning and gentle insertion are not possible during cell insertion. Furthermore, the cell support lacks a guiding structure, making deviations easy to occur during insertion. This can lead to the cell's insulation being punctured by the support edge, resulting in defective products. Manual replacement of these cells is required at the back end, impacting production efficiency and causing waste. Utility Model Content

[0003] To address the aforementioned problems, the purpose of this utility model is to design a battery cell bracket and a battery cell module to reduce the generation of defective products during the battery cell insertion process and improve production efficiency.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A battery cell support is designed, including a battery cell mounting surface, wherein the battery cell mounting surface is provided with a battery cell slot, and an isolation connection area is formed between adjacent battery cell slots. At least a portion of the isolation connection area is provided with a guide for guiding the battery cell to be assembled into the battery cell slot. The surface of the guide facing the battery cell slot is a guide surface. The guide surface near the edge of the battery cell slot is connected to the top edge of the battery cell slot. The guide surface extends obliquely from the top edge of the battery cell slot toward the top of the guide in a direction away from the battery cell slot.

[0006] In this design, the cell support is a one-piece injection-molded plastic support. Guide components are incorporated to assist in positioning and guiding the cell during insertion, automatically correcting any positional misalignment and preventing damage from hard impacts. Specifically, the guide components are located in the isolation connection area, with multiple guide components arranged in a ring around each cell slot. The guide surfaces facing the cell slot are inclined, forming a funnel-like guide structure. During insertion, this structure guides the cell directly into the slot, reducing repeated adjustments and adapting to automated production line requirements. Furthermore, the smooth transition between the guide surface near the cell slot's edge and the top edge of the slot prevents the insulation from being punctured by the slot edge during insertion, reducing defects.

[0007] Furthermore, the cell slot is circular, and the isolation connection area includes a first isolation connection area enclosed by at least three adjacent cell slots, with the guide located in the first isolation connection area.

[0008] The cell slots are circular to fit the cylindrical cell. The cell slots are arranged in a high-density manner, such as a rectangular arrangement or a triangular arrangement in which three adjacent cell slots are enclosed in a triangle. In the triangular arrangement, the three adjacent cell slots enclose a first isolation connection area.

[0009] Furthermore, one guide member is provided, and the guide member has three guide surfaces that face the three battery cell slots respectively.

[0010] In this design, a single guide component integrates three guide surfaces, reducing the footprint compared to multiple independent guide components and making it compatible with high-density cylindrical battery cell modules. The three guide surfaces of a single guide component form a closed support structure, increasing its strength and making it less prone to falling off due to impacts. Alternatively, the guide component can also be designed as a hollow structure, with a hollow center to reduce redundant material and save on material usage.

[0011] Furthermore, three guide members are spaced apart, and each guide member has two guide surfaces that face the two adjacent cell slots respectively.

[0012] In this design, the first isolation connection area can be equipped with three independent guide members, which are spaced apart, saving materials compared to a single guide member. Simultaneously, the spacing between the guide members forms air ducts, facilitating airflow and heat dissipation from the battery cell.

[0013] Furthermore, the cross-section of the guide member is triangular.

[0014] The guide component has a triangular cross-section to fit the shape of the first isolation connection area, while reducing redundant material under the same strength, thus saving material usage.

[0015] Furthermore, the guide members are connected by a circular arc transition at the joints of their surfaces.

[0016] The rounded transition design eliminates stress concentration at sharp corners, preventing cracks or breakage. Simultaneously, the rounded edges reduce frictional resistance during cell insertion, guiding the cell smoothly into the slot and minimizing the risk of scratches on the cell surface.

[0017] Furthermore, the height of the guide member is not less than 5mm.

[0018] The height of the guide should not be less than 5mm, that is, it should extend at least 5mm beyond the top of the cell slot to achieve a good guiding effect. If it is less than 5mm, the guiding effect will be reduced.

[0019] Furthermore, the guide surface is a plane or an arc surface.

[0020] The guide surface can be either a planar structure or an arc-shaped structure. When using an arc-shaped structure, the arc shape is designed in the circumferential direction of the cell slot.

[0021] Furthermore, the cell support also includes a raised enclosure that surrounds the cell mounting surface and extends along the height direction of the cell support.

[0022] The enclosure extends along the height of the battery cell support, enclosing the battery cell and forming a frame-like support and protection structure. The top of the enclosure is designed with a detachable cover plate. By setting positioning protrusions and positioning grooves on the side walls of the enclosure, and setting positioning grooves and positioning protrusions on the cover plate that match the positioning protrusions and positioning grooves, the positioning and cooperation between the battery cell support and the cover plate is achieved. Then, fasteners are used to lock and fix the two together.

[0023] A battery cell module is also designed, including the aforementioned battery cell bracket and battery cell, wherein the battery cell is inserted into the battery cell slot of the battery cell bracket.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] In this design, the cell support is a one-piece injection-molded plastic support. Guide components are incorporated to assist in positioning and guiding the cell during insertion, automatically correcting any positional misalignment and preventing damage from hard impacts. Specifically, the guide components are located in the isolation connection area, with multiple guide components arranged in a ring around each cell slot. The guide surfaces facing the cell slot are inclined, forming a funnel-like guide structure. During insertion, this structure guides the cell directly into the slot, reducing repeated adjustments and adapting to automated production line requirements. Furthermore, the smooth transition between the guide surface near the cell slot's edge and the top edge of the slot prevents the insulation from being punctured by the slot edge during insertion, reducing defects. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a battery cell support according to an embodiment of the present invention.

[0027] Figure 2 This is a top view of a battery cell support according to an embodiment of the present invention.

[0028] Figure 3 for Figure 2 A magnified view of part B in the image.

[0029] Figure 4 for Figure 1 A magnified view of part A in the image.

[0030] Figure 5 This is a schematic diagram of another structure of the guide component according to an embodiment of the present invention.

[0031] Illustrations: 1. Cell mounting surface; 2. Cell slot; 3. Isolation connection area; 31. First isolation connection area; 4. Guide component; 41. Guide surface; 5. Enclosure; 6. Cell. Detailed Implementation

[0032] To facilitate understanding of this invention, a more comprehensive description will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of the invention. However, this invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0033] Example 1:

[0034] like Figure 1As shown, this embodiment provides a battery cell bracket, including a battery cell mounting surface 1. The battery cell mounting surface 1 has a battery cell slot 2, and an isolation connection area 3 is formed between adjacent battery cell slots 2. At least a portion of the isolation connection area 3 has a guide member 4 for guiding the battery cell 6 to be assembled into the battery cell slot 2. The surface of the guide member 4 facing the battery cell slot 2 is a guide surface 41. The guide surface 41 is connected to the top edge of the battery cell slot 2 near the edge of the battery cell slot 2. The guide surface 41 extends obliquely from the top edge of the battery cell slot 2 toward the top of the guide member 4 in a direction away from the battery cell slot 2. The guide surface 41 can be a planar structure or an arc surface structure. When an arc surface structure is adopted, the arc design is carried out in the circumferential direction of the battery cell slot 2.

[0035] It should be noted that in this embodiment, the cell support can be made of plastic and is a one-piece injection-molded plastic support. The cell 6 is a cylindrical cell, and the cell slot 2 is circular to fit the cylindrical cell 6. By setting the guide 4, auxiliary positioning and guidance are achieved during the insertion of the cell 6. When the cell 6 is inserted, the positional deviation is automatically corrected to avoid damage to the cell 6 caused by hard collision. Specifically, the guide 4 is set in the isolation connection area 3, and multiple guide 4 are arranged in a ring around the periphery of each cell slot 2. The guide surface 41 of the guide 4 facing the cell slot 2 is an inclined surface, and the multiple inclined guide surfaces 41 together form a guide structure similar to a flared mouth. During the insertion of the cell 6, the guide structure guides the cell to slide directly into the cell slot 2, reducing repeated adjustment steps and adapting to the needs of automated production lines. Additionally, the guide surface 41 has a smooth transition between the edge near the cell slot 2 and the top edge of the cell slot 2, which prevents the insulation of the cell 6 from being punctured by the edge of the cell slot 2 during insertion, thus reducing defects. Figure 1 As shown in the figure, a battery cell 6 is provided as an example and is located above the battery cell slot 2 to illustrate the process of inserting the battery cell 6.

[0036] like Figure 2 and 3 As shown, the isolation connection area 3 forms a fixed spacing to ensure a constant insulation distance between the battery cells 6, preventing short circuit risks caused by insulation damage even under vibration or drop. The isolation connection area 3 includes a first isolation connection area 31, with the guide 4 located within the first isolation connection area 31. The battery cell slots 2 are arranged in a high-density manner, such as a rectangular arrangement or a triangular arrangement where three adjacent battery cell slots 2 are enclosed in a triangle. In the rectangular arrangement, the first isolation connection area 31 is formed by the enclosure between four adjacent battery cell slots 2. In the triangular arrangement, the first isolation connection area 31 is formed by the enclosure between three adjacent battery cell slots 2.

[0037] like Figure 5As shown, in this embodiment, the cell slots 2 are arranged in a triangular pattern. In the first isolation connection area 31, one guide member 4 is provided, and the guide member 4 has three guide surfaces 41 facing the three cell slots 2 respectively. A single guide member 4 integrates three guide surfaces 41, reducing the occupied area compared to multiple independent guide members 4, and can be adapted to high-density cylindrical cell modules. The three guide surfaces 41 of a single guide member 4 form a closed support structure, which increases the strength of the guide member 4 and makes it less prone to falling off due to impact. Alternatively, the guide member 4 can also be designed as a hollow structure, i.e., its central part is hollowed out to reduce redundant material and save material usage.

[0038] like Figure 4 As shown, in another embodiment, the cell slots 2 are arranged in a triangular pattern. The first isolation connection area 31 can be equipped with three independent guide members 4. Each guide member 4 has two guide surfaces 41 facing two adjacent cell slots 2 respectively. The guide members 4 are spaced apart, which saves material compared to a single guide member 4. Simultaneously, the spacing between the guide members 4 forms an airflow channel, which facilitates airflow and heat dissipation from the cell.

[0039] It should be noted that the arrangement of the cell slots 2 adopts a non-high-density arrangement, and the spacing of the isolation connection area 3 between the two cell slots 2 is relatively wide. A second isolation connection area is formed between the two cell slots 2. At this time, a guide 4 can also be set in the second isolation connection area.

[0040] Furthermore, the guide member 4 has a triangular cross-section. The triangular cross-section of the guide member 4 is designed to fit the shape of the first isolation connection area 31, while also reducing redundant material under the same strength, thus saving material usage. The surfaces of the guide member 4 are connected by rounded transitions. This rounded transition design eliminates stress concentration at sharp corners, preventing cracks or breaks. Simultaneously, the rounded edges reduce frictional resistance during cell insertion, guiding the cell smoothly into the slot and reducing the risk of scratches on the cell surface. The height of the guide member 4 is not less than 5mm, meaning it extends at least 5mm beyond the top of the cell slot 2, providing a good guiding effect. If it is less than 5mm, the guiding effect will be reduced. In this embodiment, the height of the guide member 4 is set to 5mm.

[0041] Furthermore, the cell support also includes a barrier 5 that protrudes around the cell mounting surface and extends along the height of the cell support. The barrier 5 protrudes along the height of the cell support, enclosing the cell 6 to form a frame-like support and protection structure. In other possible embodiments, the top of the barrier 5 is designed with a removable cover plate. By setting positioning protrusions and positioning grooves on the side walls of the barrier 5, and setting positioning grooves and positioning protrusions on the cover plate that are compatible with the positioning protrusions and positioning grooves, the positioning fit between the cell support and the cover plate is achieved. Then, fasteners are used to lock and fix the two together, so as to completely enclose the cell 6 and protect the cell 6. Example 2:

[0042] This embodiment provides a battery cell module, including the aforementioned battery cell bracket and battery cell 6. The battery cell bracket is generally rectangular, and the battery cell slots 2 are arranged in a triangular or rectangular manner. The battery cell 6 is inserted into the battery cell slots 2 of the battery cell bracket.

[0043] In the description of this utility model, it should be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" 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 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. Therefore, they should not be construed as limitations on this utility model.

[0044] Furthermore, the terms "first," "second," etc., 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. Therefore, the inclusion of "first," "second," etc., in a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0045] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A battery cell support, characterized in that, The device includes a cell mounting surface with a cell slot. An isolation connection area is formed between adjacent cell slots. At least a portion of the isolation connection area is provided with a guide for guiding the cell assembly into the cell slot. The surface of the guide facing the cell slot is a guide surface. The guide surface near the edge of the cell slot is connected to the top edge of the cell slot. The guide surface extends obliquely from the top edge of the cell slot toward the top of the guide in a direction away from the cell slot.

2. The cell support according to claim 1, characterized in that, The cell slot is circular, and the isolation connection area includes a first isolation connection area enclosed by at least three adjacent cell slots, with the guide located in the first isolation connection area.

3. The cell support according to claim 2, characterized in that, One guide member is provided, and the guide member has three guide surfaces that face the three cell slots respectively.

4. The cell support according to claim 2, characterized in that, The guide members are arranged at intervals of three, and each guide member has two guide surfaces that face the two adjacent cell slots respectively.

5. The cell support according to claim 2, characterized in that, The cross-section of the guide component is triangular.

6. The cell support according to claim 5, characterized in that, The guide components are connected by arc transitions at the joints of their surfaces.

7. The cell support according to claim 1, characterized in that, The height of the guide component shall not be less than 5mm.

8. The cell support according to claim 1, characterized in that, The guide surface can be a plane or an arc surface.

9. The cell support according to claim 1, characterized in that, The cell support also includes a raised enclosure that surrounds the cell mounting surface and extends along the height of the cell support.

10. A battery cell module, characterized in that, The battery includes the battery cell holder as described in any one of claims 1-9, and the battery cell, wherein the battery cell is inserted into the battery cell slot of the battery cell holder.

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