Metal plate fixing structure for energy storage module

Abstract

A metal plate fixing structure for an energy storage module comprises a pressing rib, two end plates, a packing belt and a plurality of patches used for being arranged between battery cells of the energy storage module, the pressing rib is arranged at the top of the energy storage module, fixing holes I used for being connected and matched with the end plates are formed in the two ends of the pressing rib, and the two end plates are arranged on the two sides of the energy storage module respectively. The top of the end plate is provided with a first bending edge, the first bending edge is provided with a fixing hole II matched with the fixing hole I, the end plate on two sides of the first bending edge is provided with a second bending edge used for fixing the insulating terminal, the bottom of the end plate is provided with a third bending edge, the third bending edge is provided with a fixing hole III or a fixing groove, and the fixing hole III or the fixing groove is provided with a fixing hole II matched with the fixing hole II. A fourth bent edge is arranged on the side portion of the end plate, and limiting notches used for being matched with a packing belt are formed in the positions, on the upper side and the lower side of the fourth bent edge, of the end plate. According to the invention, the energy storage module can be protected in all directions, and the manufacturing cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage module forms, in particular to a sheet metal fixing structure for an energy storage module. Background Art

[0002] With the rapid development of the new energy industry, lithium battery packs are relatively friendly to the energy storage industry and do not require too many protective measures for the batteries. At present, many companies use a steel belt + end plate design for the module bracket when producing a low-cost module bracket or battery pack that can provide some basic protection functions for the battery cells. Although this structural method is simple, it has the following problems:

[0003] 1. The end plate needs to be molded, and the steel strip needs to be customized, which requires a certain mold fee;

[0004] 2. The battery cell is only restrained by the surrounding steel belt and the bottom glue. As time goes by, the steel belt loosens or the glue fails, and the module may jump on the inside of the steel belt, causing the bottom of the battery cell to impact and deform. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a sheet metal fixing structure for an energy storage module, which can provide all-round protection for the energy storage module and help reduce manufacturing costs, in view of the deficiencies in the prior art.

[0006] The technical problem to be solved by the utility model is achieved through the following technical solutions. The utility model is a sheet metal fixing structure for an energy storage module, including a rib, an end plate, a strapping tape and a plurality of patches for setting between the battery cells of the energy storage module, the rib is set at the top of the energy storage module, and a fixing hole I for connecting and cooperating with the end plate is set at both ends of the rib, two end plates are set, and the two end plates are respectively set on both sides of the energy storage module, a first bending edge is set at the top of the end plate, and a fixing hole II cooperating with the fixing hole I is set on the first bending edge, and a second bending edge for fixing the insulating terminal is set on the end plates on both sides of the first bending edge, a third bending edge is set at the bottom of the end plate, and a fixing hole III or a fixing groove is set on the third bending edge, a fourth bending edge is set on the side of the end plate, and limit notches for cooperating with the strapping tape are set on the end plates on the upper and lower sides of the fourth bending edge.

[0007] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the sheet metal fixing structure for the energy storage module described above, a plurality of openings for bundling the wiring harness of the energy storage module are further provided on the ribs.

[0008] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the sheet metal fixing structure for the energy storage module described above, two strapping belts are provided, and the two strapping belts are respectively provided on the upper part and the lower part of the end plate.

[0009] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the sheet metal fixing structure for the energy storage module described above, the strapping belt is a plastic-steel belt.

[0010] The technical problem to be solved by the present invention can be further achieved through the following technical solution. For the sheet metal fixing structure for the energy storage module described above, the fixing holes I and II are both threaded holes.

[0011] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the sheet metal fixing structure for the energy storage module described above, the ribs and the end plates are both sheet metal structures.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model can fix the energy storage module by pressing ribs, strapping belts and the bottom of the end plate.

[0014] A stable frame structure is formed to provide all-round protection for the energy storage module. At the same time, the end plates and ribs also take into account the fixation of the insulation terminals, wiring harnesses, etc., which is strong and reliable.

[0015] 2. The end plate and the ribs of the utility model are sheet metal structures, which are formed by bending and stamping, are simple to manufacture, and help reduce manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the end plate of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the rib of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-3 , a sheet metal fixing structure for an energy storage module, comprising a rib 5, an end plate 3, a strapping tape 4 and a plurality of patches 2, wherein the patches 2 are arranged between the battery cells 1 of the energy storage module, and are used to limit and isolate the battery cells 1, the end plates 3 are arranged on both sides of the energy storage module, and are used to limit and fix the energy storage module from both sides, the strapping tape 4 is used to lock the end plates 3, and realize the fixation of the energy storage module on all sides, the rib 5 is used to be arranged on the top of the energy storage module, and is used to limit and fix the energy storage module from above, and a stable frame fixing structure for the energy storage module is formed by fixing the rib 5, the strapping tape 4 and the bottom of the end plate 3;

[0021] Specifically, fixing holes I52 for connecting and cooperating with the end plates 3 are provided at both ends of the rib 5, and two end plates 3 are provided, and the two end plates 3 are respectively provided on both sides of the energy storage module. A first bending edge 31 is provided on the top of the end plate 3, and a fixing hole II32 cooperating with the fixing hole I52 is provided on the first bending edge 31, so that the rib 5 and the end plate 3 can be connected and fixed by using screws to cooperate with the fixing holes I52 and II32. Preferably, the fixing holes I52 and II32 are both threaded holes;

[0022] The end plates 3 on both sides of the first bending edge 31 are provided with second bending edges 33 for fixing the insulating terminals 6, which facilitates the connection and fixation of the positive and negative aluminum bars of the energy storage module. A third bending edge 34 is provided at the bottom of the end plate 3. The third bending edge 34 is used as a fixing edge of the entire structure, which facilitates the connection and fixation of the energy storage module. A fixing hole III or a fixing groove 35 is provided on the third bending edge 34;

[0023] In order to cooperate with the bundling and packaging operation of the strapping tape 4, a fourth bending edge 36 is provided on the side of the end plate 3, and limiting notches 37 for cooperating with the strapping tape 4 are provided on the end plate 3 on the upper and lower sides of the fourth bending edge 36 to prevent the strapping tape 4 from loosening or jumping over time; preferably, two strapping tapes 4 are provided, and the two strapping tapes 4 are respectively arranged on the upper and lower parts of the end plate 3, and the strapping tape 4 is a plastic steel tape.

[0024] In order to facilitate the bundling and fixing operation of the energy storage module wiring harness, a plurality of openings 51 are provided on the rib 5 .

[0025] Preferably, the ribs 5 and the end plates 3 are both sheet metal structures, which are formed by bending and stamping, are simple to manufacture, and have low cost, which helps to reduce manufacturing costs.

[0026] The utility model provides a sheet metal fixing structure for an energy storage module. An overall fixing structure is formed by fixing an end plate 3 and a rib 5 and surrounding packing tapes 4. At the same time, the design of the end plate 3 takes into account the fixation of the rib 5, the insulating terminal 6, etc. and the overall energy storage module. The design of the rib 5 takes into account the fixation of the wiring harness. The whole is made of sheet metal and has a low cost.

[0027] When in use, first assemble and connect multiple battery cells 1, and arrange patches 2 between the battery cells 1 to obtain an energy storage module. Next, place the end plates 3 on both sides of the energy storage module for positioning, and then lock them with strapping tape 4 to limit the energy storage module from deviating to the surroundings. Place the ribs 5 on the top of the energy storage module, and use screws to fix the two ends of the ribs 5 to the first bent edge 31 of the end plate 3. The insulating terminal 6 can be fixed on the second bent edge 33 of the end plate 3 to facilitate the connection and fixation of the positive and negative aluminum bars of the energy storage module. The third bent plate of the end plate 3 serves as a fixed edge to facilitate the fixed installation of the entire energy storage module. At the same time, the ribs 5 are provided with openings 51 to facilitate bundling and fixing the wiring harness of the energy storage module.

Claims

1. A sheet metal fixing structure for an energy storage module, characterized in that: It includes a rib, an end plate, a strapping tape and a number of patches for being set between the battery cells of the energy storage module. The rib is set at the top of the energy storage module, and fixing holes I for connecting and cooperating with the end plates are set at both ends of the rib. There are two end plates, which are respectively set on both sides of the energy storage module. A first bending edge is set at the top of the end plate, and a fixing hole II cooperating with the fixing hole I is set on the first bending edge. Second bending edges for fixing insulating terminals are set on the end plates on both sides of the first bending edge, and a third bending edge is set at the bottom of the end plate, and a fixing hole III or a fixing groove is set on the third bending edge. A fourth bending edge is set on the side of the end plate, and limiting notches for cooperating with the strapping tape are set on the end plates on the upper and lower sides of the fourth bending edge.

2. The sheet metal fixing structure for the energy storage module according to claim 1, characterized in that: The ribs are also provided with a number of openings for bundling the wiring harnesses of the energy storage modules.

3. The sheet metal fixing structure for the energy storage module according to claim 1, characterized in that: There are two strapping belts, which are respectively arranged on the upper part and the lower part of the end plate.

4. The sheet metal fixing structure for energy storage module according to claim 1 or 3, characterized in that: The packing belt is a plastic-steel belt.

5. The sheet metal fixing structure for energy storage module according to claim 1, characterized in that: The fixing holes I and II are both threaded holes.

6. The sheet metal fixing structure for energy storage module according to claim 1, characterized in that: The ribs and end plates are both sheet metal structures.

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