Blade battery cell PACK structure

Abstract

The utility model relates to the technical field of blade battery cells, and discloses a blade battery cell PACK structure which comprises a bottom plate and a pressing plate, a plurality of air holes are formed in the bottom plate, the front side and the rear side of the bottom plate are fixedly connected with limiting plates, the left ends and the right ends of the far sides of the two limiting plates are fixedly connected with connecting frames, and the connecting frames are fixedly connected with the pressing plate. Supporting plates are fixedly connected to the front side and the rear side of the pressing plate, fixing plates are fixedly connected to the left end and the right end of the top side of each supporting plate, a plurality of side pressing strips make contact with the left end and the right end of the top side of the bottom plate, convex plates are fixedly connected to the top ends of the side pressing strips, and a plurality of dismounting assemblies are arranged at the left end and the right end of each supporting plate. According to the utility model, the effect of grouping the blade batteries is achieved, the blade batteries can be effectively fixed, the conditions of dislocation and deviation in the use process are avoided, and the outside of the blade battery core shell can be quickly disassembled, so that the inside of the blade battery core shell can be quickly maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of blade battery cells, in particular to a blade battery cell PACK structure. Background Art

[0002] Blade cells are a new type of lithium-ion battery design developed by Chinese company BYD. Unlike traditional columnar or cylindrical cells, blade cells use a flat blade-shaped design, which has higher safety and heat dissipation. This design is believed to reduce the temperature gradient of the battery cells and improve the safety of the overall battery pack.

[0003] With the rapid development of the new energy industry, more and more energy storage products have entered our lives and work. Now people have higher and higher requirements for energy storage products. Often a product with distinctive features can attract consumers' attention. The slim body of home storage products made of blade batteries can become a good selling point. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a blade battery cell PACK structure, aiming to improve the problem that blade batteries in the prior art are rarely used in home storage products and the PACK structure of traditional square batteries is not suitable for blade batteries.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A blade battery cell PACK structure comprises a bottom plate and a pressure plate, the bottom plate is provided with a plurality of air holes inside, the front and rear sides of the bottom plate are fixedly connected to limit plates, the left and right ends of the two limit plates are fixedly connected to connecting frames on the far side, the front and rear sides of the pressure plate are fixedly connected to support plates, the left and right ends of the top side of the support plate are fixedly connected to fixing plates, the left and right ends of the top side of the bottom plate are in contact with a plurality of side pressure strips, the top ends of the side pressure strips are fixedly connected with a convex plate, the left and right ends of the support plate are provided with a plurality of disassembly components, the top side of the bottom plate is provided with a blade battery cell housing, the top side of the left and right ends of the pressure plate are in contact with two nuts two, the internal threads of the nut two are connected with bolt one, the left and right ends of the top side of the bottom plate are in contact with a plurality of bolts three, the internal threads of the bolt three are connected with nut three.

[0007] Furthermore, a plurality of convex columns are fixedly connected to the left and right sides of the blade battery cell housing, a threaded column is fixedly connected to the far side of the plurality of convex columns, a sliding plate is slidably connected to the outside of the threaded column, and a threaded barrel is threadedly connected to the outside of the threaded column.

[0008] Furthermore, the plurality of disassembly components each include a nut 1, the far sides of the plurality of nuts 1 are respectively in contact with the proximal sides of the two support plates, the internal thread of the nut 1 is connected with a bolt 2, and the outer sides of the plurality of bolts 2 are respectively slidably connected to the inside of the two support plates.

[0009] Furthermore, the top side of the connecting frame is in contact with the bottom side of the pressing plate, and the left and right ends of the top side of the pressing plate are respectively fixedly connected to the bottom sides of the two fixing plates.

[0010] Furthermore, the far sides of the two pressing plates are in contact with the near sides of the plurality of side pressure strips respectively.

[0011] The utility model has the following beneficial effects:

[0012] Through the mutual cooperation of the bottom plate, limit plate, connecting frame, pressure plate, fixing plate, side pressure strip and other structures, the effect of blade battery grouping is achieved, which can effectively fix the blade battery to avoid misalignment and offset during use; through the mutual cooperation of the support plate, nut one, bolt two and other structures, the outside of the blade battery cell shell can be quickly disassembled, so that the inside can be quickly repaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the bottom plate structure of a blade battery PACK structure proposed by the utility model;

[0014] Figure 2 A schematic diagram of a pressure plate structure of a blade battery PACK structure proposed by the utility model;

[0015] Figure 3 This is a schematic diagram of the side pressure strip structure of a blade battery PACK structure proposed by the utility model;

[0016] Figure 4 A schematic diagram of a sliding plate structure of a blade battery PACK structure proposed by the utility model;

[0017] Figure 5 This is a three-dimensional diagram of a blade battery PACK structure proposed by the utility model.

[0018] Legend:

[0019] 1. Bottom plate; 2. Air vent; 3. Limit plate; 4. Connecting frame; 5. Pressing plate; 6. Support plate; 7. Fixing plate; 8. Side pressure strip; 9. Convex plate; 10. Nut 1; 11. Blade cell housing; 12. Nut 2; 13. Bolt 1; 14. Bolt 2; 15. Bolt 3; 16. Nut 3; 17. Convex column; 18. Threaded column; 19. Sliding plate; 20. Threaded barrel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] Reference Figure 1-3 , an embodiment provided by the utility model: 1. A blade battery PACK structure, comprising a bottom plate 1 and a pressure plate 5, and the bottom plate 1 is used to hold the battery and limit the freedom of the battery in the up and down directions, a plurality of air holes 2 are opened inside the bottom plate 1, so that the blade battery shell 11 can be ventilated during operation, and the front and rear sides of the bottom plate 1 are fixedly connected to the limiting plates 3, and the front and rear ends of the blade battery shell 11 are limited, and the two limiting plates 3 are fixedly connected to the left and right ends of the far side thereof with a connecting frame 4, which is used to fit with the front and rear sides of the pressure plate 5, and the two pressure plates are locked on the bottom plate to limit the freedom of the battery in the front and rear directions;

[0022] The front and rear sides of the pressing plate 5 are fixedly connected with support plates 6 for fitting with the side pressure strips 8. The top side of the connecting frame 4 contacts the bottom side of the pressing plate 5, so that the connecting frame 4 and the pressing plate 5 can be fixed. The left and right ends of the top side of the support plate 6 are fixedly connected with fixing plates 7. The left and right ends of the top side of the pressing plate 5 are respectively fixedly connected to the bottom sides of the two fixing plates 7. The left and right ends of the top side of the bottom plate 1 are in contact with multiple side pressure strips 8. One end of the eight side pressure strips 8 is locked on the bottom plate. The far sides of the two pressing plates 5 are respectively in contact with the close sides of the multiple side pressure strips 8 to fix the pressing plate 5 and the side pressure strips 8. The top end of the side pressure strip 8 is fixedly connected with a convex plate 9.

[0023] Reference Figure 3-5 , multiple disassembly components are arranged at the left and right ends of the support plate 6, a blade battery cell housing 11 is arranged on the top side of the bottom plate 1, and multiple disassembly components all include a nut 10, and the far sides of multiple nuts 10 are respectively in contact with the close sides of the two support plates 6, and when in contact, the support plate 6 is completely fixed and locked, and the internal thread of the nut 10 is connected with a bolt 2 14 for fixing the support plate 6 and the side pressure strip 8, and the outer parts of multiple bolts 2 14 are respectively slidably connected to the inside of the two support plates 6, and the top sides of the left and right ends of the pressure plate 5 are in contact with two nuts 2 12, and when in contact, the pressure plate 5 is fixed and locked with the bottom plate 1;

[0024] The internal thread of nut 2 12 is connected with bolt 13, and the left and right ends of the top side of the base plate 1 are in contact with multiple bolts 3 15 for fixing the side pressure strip 8 to the base plate 1, and the internal thread of bolt 3 15 is connected with nut 3 16. The left and right sides of the blade cell housing 11 are fixedly connected with multiple convex columns 17 for supporting threaded columns 18, and the far sides of the multiple convex columns 17 are fixedly connected with threaded columns 18, and the external sliding connection of the threaded column 18 is connected with a sliding plate 19, and the external thread of the threaded column 18 is connected with a threaded barrel 20, so that the left and right sides of the blade cell housing 11 can be fixed.

[0025] Working principle: through a bottom plate, two bottom plates 1 are used as bottom supports, and then the blade battery cell housing 11 is placed on the top side of the bottom plate 1, and then two pressure plates 5 are placed on the top side of the blade battery cell housing 11, and the connection frames 4 on the front and back sides of the bottom plate 1 are in contact with the front and back sides of the bottom of the two pressure plates 5, and the bolt 13 is passed through the drilled hole between them, and the nut 2 12 is threadedly connected to the outside of the bolt 13 to fix the upper and lower sides of the blade battery cell housing 11, and then eight side pressure strips 8 are placed on the bottom plate in a half-and-half form. 1, and then the adjacent sides of the eight side pressure strips 8 are in contact with the distant sides of the two pressure plates 5, and then the bolt 2 14 is passed through the drilling hole and the nut 10 is rotated to thread the bolt 2 14 to fix it. At the same time, the middle part of the side pressure strip 8 will contact the front and back sides of the bottom plate 1, and the multiple convex columns 17 fixed on the left and right sides of the blade battery cell housing 11 will contact, and then the sliding plate 19 is put on the outside of the threaded column 18, and finally the threaded column 18 is threadedly connected through the threaded barrel 20 to complete the full fixation of the blade battery cell housing 11.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blade cell PACK structure, comprising a base plate (1) and a pressure plate (5), characterized in that: The bottom plate (1) is provided with a plurality of air holes (2) inside, the bottom plate (1) is fixedly connected to the limiting plates (3) on both the front and rear sides, the two limiting plates (3) are fixedly connected to the connecting frames (4) on both the left and right ends of the far side, the pressing plate (5) is fixedly connected to the supporting plates (6) on both the front and rear sides, the supporting plates (6) are fixedly connected to the fixing plates (7) on both the left and right ends of the top side, and the bottom plate (1) is contacted with a plurality of side pressure strips (8) on both the left and right ends of the top side, and the side pressure strips (8) are A convex plate (9) is fixedly connected to the top end, a plurality of disassembly components are arranged at the left and right ends of the support plate (6), a blade battery cell housing (11) is arranged on the top side of the bottom plate (1), two nuts (12) are in contact with the top sides of the left and right ends of the pressure plate (5), and the internal threads of the nuts (12) are connected to bolts (13), and a plurality of bolts (15) are in contact with the top sides of the bottom plate (1), and the internal threads of the bolts (15) are connected to nuts (16).

2. The blade cell PACK structure according to claim 1, characterized in that: A plurality of convex columns (17) are fixedly connected to the left and right sides of the blade battery cell housing (11), a threaded column (18) is fixedly connected to the far side of the plurality of convex columns (17), a sliding plate (19) is slidably connected to the outside of the threaded column (18), and a threaded barrel (20) is threadedly connected to the outside of the threaded column (18).

3. The blade cell PACK structure according to claim 1, characterized in that: The plurality of disassembly components all include a nut one (10), the far sides of the plurality of nuts one (10) respectively contact the close sides of the two support plates (6), the internal thread of the nut one (10) is connected with a bolt two (14), and the outer sides of the plurality of bolts two (14) are respectively slidably connected to the inside of the two support plates (6).

4. The blade cell PACK structure according to claim 1, characterized in that: The top side of the connecting frame (4) is in contact with the bottom side of the pressing plate (5), and the left and right ends of the top side of the pressing plate (5) are respectively fixedly connected to the bottom sides of the two fixing plates (7).

5. The blade cell PACK structure according to claim 1, characterized in that: The far sides of the two pressing plates (5) are in contact with the near sides of the plurality of side pressing strips (8) respectively.

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