Lithium ion storage battery module structure

Abstract

The utility model relates to the technical field of storage battery modules, and discloses a lithium ion storage battery module structure, which solves the problems in the background technology, and comprises an upper frame, a lower frame and a plurality of storage battery monomers, the surfaces of the upper frame and the lower frame are provided with a plurality of mounting grooves, the plurality of mounting grooves are correspondingly arranged up and down, and the storage battery monomers are arranged on the upper frame and the lower frame. The number of the storage battery monomers is matched with that of the mounting grooves, a connecting rod is connected between the upper frame and the lower frame, the length of the connecting rod can be adjusted, each storage battery monomer is provided with two electrode columns with opposite polarities, the two electrode columns can be embedded in the mounting grooves, and the tops of the two electrode columns are higher than the top of the upper frame. According to the storage battery module disclosed by the utility model, the firm storage battery module is realized, the storage battery monomers are not easy to misplace when the storage battery module is vibrated, and the use fault caused by the separation of the connecting sheets and the electrode columns is further avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery modules, in particular to a lithium ion battery module structure. Background Art

[0002] A battery module is typically a combination of multiple battery cells that are assembled together to form a modular unit with greater capacity and voltage. The battery module design can adjust voltage, capacity and power according to the needs of a specific application.

[0003] Battery cells need to be electrically connected, and connecting plates are usually welded between the electrode columns of the battery cells. The current battery module form generally uses tape to bundle the battery cells, which is not strong. This can easily cause misalignment between the battery cells when subjected to vibration, and then cause the connecting plates to separate from the electrode columns, resulting in usage failures. For this reason, we propose a lithium-ion battery module structure. Utility Model Content

[0004] In order to solve the problem that the current battery module form generally uses tape to bundle the battery cells, which is not firm. This makes it easy for the battery cells to be misaligned when subjected to vibration, thereby causing the connecting piece and the electrode column to separate, resulting in usage failure, the utility model provides the following technical solutions: a lithium-ion battery module structure, including an upper frame, a lower frame and a battery cell, the surfaces of the upper frame and the lower frame are provided with mounting grooves, there are multiple mounting grooves, and the multiple mounting grooves are arranged correspondingly up and down, the number of the battery cells matches the mounting grooves, and a connecting rod is connected between the upper frame and the lower frame, and the connecting rod can adjust the length.

[0005] Preferably, the battery cell has two electrode columns with opposite polarities, the two electrode columns can be embedded in the mounting groove, and the tops of the two electrode columns are higher than the top of the upper frame. The electrode columns are higher than the upper frame, which facilitates welding connecting plates between the electrode columns for electrical connection.

[0006] Preferably, the distances between the plurality of mounting grooves are equal, and the inner walls of the mounting grooves are provided with buffer pads, and the battery cells can be protected by providing the buffer pads.

[0007] Preferably, there are two connecting rods, and the two connecting rods are respectively arranged at two ends of the upper frame and the lower frame.

[0008] Preferably, the connecting rod includes an upper rod and a lower rod, the upper rod is slidably inserted in the lower rod, the top of the upper rod is fixedly connected to the upper frame, and the bottom of the lower rod is fixedly connected to the lower frame. By sliding the upper rod in the lower rod, the distance between the upper frame and the lower frame can be adjusted to fix the upper and lower ends of the battery cell in the mounting groove.

[0009] Preferably, the connecting rod also includes a threaded sleeve having an internal thread, the threaded sleeve being sleeved on the upper part of the lower rod, the upper part of the lower rod being provided with a dividing line, the diameter of the upper part of the internal thread being smaller than that of the lower part, and the threaded sleeve being rotated toward the lower thread to tighten the dividing line, thereby fixing the upper rod inside the lower rod to maintain a fixed height.

[0010] Preferably, the outer wall of the threaded sleeve is also provided with anti-slip grooves, and the provision of the anti-slip grooves can facilitate tightening of the connecting rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The battery cells are placed between the upper frame and the lower frame, and then the battery cells are moved to insert the bottom into the mounting groove of the lower frame, and the remaining battery cells are inserted in turn, and then the threaded sleeve is rotated to make the threaded sleeve spirally rise, the dividing line is separated, and the upper rod is released so that the upper rod can slide in the lower rod, and then the upper frame is lowered, and the mounting groove of the upper frame is aligned with the upper part of the battery cell and pressed into it, and then the threaded sleeve is rotated to make the threaded sleeve spirally descend, and the dividing line is tightened to lock the upper rod in the lower rod, and then the electrode columns are electrically connected together through the connecting piece, thereby realizing a more solid battery module form, ensuring that the battery cells are not easily misaligned when subjected to vibration, thereby avoiding the connection piece and the electrode column being separated to cause a malfunction in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a front view structural schematic diagram of the utility model as a whole;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model from top view;

[0016] Figure 3 It is a schematic diagram of the top section structure of the lower frame of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the battery cell of the utility model;

[0018] Figure 5 It is a schematic diagram of the exploded structure of the connecting rod part of the utility model;

[0019] In the figure: 1, upper frame; 2, lower frame; 3, battery cell; 4, mounting groove; 51, upper rod; 52, lower rod; 53, threaded sleeve; 521, dividing line; 6, electrode column; 7, buffer pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1-3 It is given that the utility model includes an upper frame 1, a lower frame 2 and a battery cell 3. The surfaces of the upper frame 1 and the lower frame 2 are both provided with mounting grooves 4. There are multiple mounting grooves 4, and the multiple mounting grooves 4 are arranged correspondingly up and down. The number of battery cells 3 matches the mounting grooves 4. A connecting rod is connected between the upper frame 1 and the lower frame 2, and the connecting rod can adjust the length.

[0022] The battery cell 3 has two electrode columns 6 with opposite polarities. The two electrode columns 6 can be embedded in the mounting groove 4, and the tops of the two electrode columns 6 are higher than the top of the upper frame 1. The electrode columns 6 are higher than the upper frame 1, which facilitates welding connecting pieces between the electrode columns 6 for electrical connection.

[0023] The distances between the plurality of mounting grooves 4 are equal, and the inner wall of the mounting groove 4 is provided with a buffer pad 7 . By providing the buffer pad 7 , the battery cells 3 can be protected.

[0024] There are two connecting rods, which are respectively arranged at two ends of the upper frame 1 and the lower frame 2.

[0025] The connecting rod includes an upper rod 51 and a lower rod 52. The upper rod 51 is slidably inserted into the lower rod 52. The top of the upper rod 51 is fixedly connected to the upper frame 1, and the bottom of the lower rod 52 is fixedly connected to the lower frame 2. By sliding the upper rod 51 in the lower rod 52, the distance between the upper frame 1 and the lower frame 2 can be adjusted, and the upper and lower ends of the battery cell 3 can be fixed in the mounting groove 4.

[0026] The connecting rod also includes a threaded sleeve 53, which has an internal thread. The threaded sleeve 53 is sleeved on the upper part of the lower rod 52. A dividing line 521 is opened on the upper part of the lower rod 52. The diameter of the upper part of the internal thread is smaller than that of the lower part. By rotating the threaded sleeve 53 toward the lower thread, the dividing line 521 can be tightened, thereby fixing the upper rod 51 in the lower rod 52 to maintain a fixed height.

[0027] The outer wall of the threaded sleeve 53 is also provided with anti-skid patterns, which facilitate tightening the connecting rod.

[0028] Working principle: When working, first put the battery cell 3 between the upper frame 1 and the lower frame 2, then move the battery cell 3 to insert the bottom into the installation groove 4 of the lower frame 2, and then insert the remaining battery cells 3 in turn, and then rotate the threaded sleeve 53 to make the threaded sleeve 53 spirally rise, and the dividing line 521 is separated, and the upper rod 51 is released so that the upper rod 51 can slide in the lower rod 52, and then the upper frame 1 is lowered, and the installation groove 4 of the upper frame 1 is aligned with the upper part of the battery cell 3 and pressed into it, and then the threaded sleeve 53 is rotated to make the threaded sleeve 53 spirally descend, and the dividing line 521 is tightened to lock the upper rod 51 in the lower rod 52, and then the electrode column 6 is electrically connected together through the connecting piece, thereby realizing a more solid battery module form, ensuring that the battery cells 3 are not easily misaligned when subjected to vibration, thereby avoiding the separation of the connecting piece and the electrode column 6 to cause a malfunction in use.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium-ion battery module structure, characterized in that: The invention comprises an upper frame (1), a lower frame (2) and a battery cell (3). The surfaces of the upper frame (1) and the lower frame (2) are both provided with mounting grooves (4). There are a plurality of mounting grooves (4), which are arranged correspondingly up and down. The number of the battery cells (3) matches the number of the mounting grooves (4). A connecting rod is connected between the upper frame (1) and the lower frame (2), and the length of the connecting rod can be adjusted.

2. A lithium-ion battery module structure according to claim 1, characterized in that: The battery cell (3) has two electrode columns (6) with opposite polarities. The two electrode columns (6) can be embedded in the mounting groove (4), and the tops of the two electrode columns (6) are higher than the top of the upper frame (1).

3. A lithium-ion battery module structure according to claim 1, characterized in that: The distances between the plurality of installation grooves (4) are equal, and the inner walls of the installation grooves (4) are provided with buffer pads (7).

4. A lithium-ion battery module structure according to claim 1, characterized in that: There are two connecting rods, and the two connecting rods are respectively arranged at two ends of the upper frame (1) and the lower frame (2).

5. A lithium-ion battery module structure according to claim 4, characterized in that: The connecting rod comprises an upper rod (51) and a lower rod (52); the upper rod (51) is slidably plugged into the lower rod (52); the top of the upper rod (51) is fixedly connected to the upper frame (1); and the bottom of the lower rod (52) is fixedly connected to the lower frame (2).

6. A lithium-ion battery module structure according to claim 5, characterized in that: The connecting rod further comprises a threaded sleeve (53) having an internal thread. The threaded sleeve (53) is sleeved on the upper part of the lower rod (52). A dividing line (521) is provided on the upper part of the lower rod (52). The diameter of the upper part of the internal thread is smaller than that of the lower part.

7. A lithium-ion battery module structure according to claim 6, characterized in that: The outer wall of the threaded sleeve (53) is also provided with anti-slip grooves.

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