Composite structure of sodium ion battery cluster

Abstract

The utility model relates to a combined structure of a sodium ion battery cluster, which comprises an upper cover and a lower shell, and the upper cover is buckled on the lower shell to form a sealed cavity for accommodating a battery cell; first buckle mounting holes are formed in the outer wall of the periphery of the upper end of the lower shell; the upper cover is a rectangular cover body, buckles are arranged on the inner walls of the periphery of the upper cover, and the buckles are clamped into the first buckle installation holes to achieve assembly of the upper cover and the lower shell. Positioning blocking strips are arranged on the four edges of the face of the upper end of the upper cover, and a rectangle is defined by the positioning blocking strips and used for limiting the lower shell stacked on the upper cover. According to the combined structure of the sodium ion battery cluster disclosed by the utility model, the upper cover and the lower shell can be quickly and accurately assembled through the buckle structure arranged between the upper cover and the lower shell; meanwhile, the positioning blocking strips arranged on the upper cover can facilitate mutual combination of the battery modules, the supporting structure arranged in the lower shell has the bearing capacity, a plurality of sodium ion battery clusters can be allowed to be freely stacked, and the high freedom degree is achieved in the application process.

Description

TECHNICAL FIELD

[0001] The utility model relates to sodium ion battery technical field especially is a kind of combination structure of sodium ion battery cluster. BACKGROUND

[0002] Sodium ion battery is a kind of secondary battery, i.e. rechargeable battery, mainly relies on sodium ion to move between positive and negative to work, in most cases, in order to protect battery body, generally install energy storage type sodium ion battery in battery shell. After sodium ion battery module in battery shell is connected in parallel to form energy storage battery module, energy storage battery module is installed on energy storage battery rack to form battery cluster, and battery cluster is connected in series and parallel to form battery system.

[0003] Battery cluster is an important part of energy storage container, including battery cluster rack and multiple battery packs placed on battery cluster rack, and can realize the rapid integration and rapid use of battery pack.

[0004] Existing battery cluster has welded integrated type and overall detachable type. The welded integrated type has stable overall structure, but positioning error, parallelism and flatness caused by welding thermal deformation are affected to different degrees, which brings a lot of problems to subsequent assembly. Although the overall detachable type has the advantages of convenient transportation, flexible use and replaceable structural parts, the structural strength and long-term stability are difficult to guarantee, and the assembled structure may be loose due to long-term load or vibration under working conditions. UTILITY MODEL CONTENTS

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problem that the mechanical structure of sodium ion battery cluster in the prior art cannot consider structural stability and convenient disassembly.

[0006] To solve the above technical problems, the utility model provides a combination structure of sodium ion battery cluster, which comprises: an upper cover and a lower shell, the upper cover is clamped on the lower shell to form a sealed cavity for accommodating battery cells;The lower shell is a rectangular box body structure with an open upper end, and first buckle mounting holes are arranged on the outer walls around the upper end of the lower shell;The upper cover is a rectangular cover body, and buckles are arranged on the inner walls around the upper cover, the buckles are clamped into the first buckle mounting holes to realize the assembly of the upper cover and the lower shell;Positioning ribs are arranged on the four edges of the face of the upper end of the upper cover, and the positioning ribs form a rectangle to limit the lower shell stacked on the upper cover.

[0007] In one embodiment of the utility model, the first buckle mounting hole is a rectangular hole, the buckle is a rectangular protrusion, and the end face opposite to the bottom surface of the buckle is an inclined face.

[0008] In an embodiment of the utility model, the first support plate and the second support plate are arranged in parallel and are perpendicular to the bottom surface of the lower shell.

[0009] In an embodiment of the utility model, the upper end of the first support plate and the second support plate is provided with a second buckle mounting hole, the upper cover is provided with a mounting block on the rectangular cross section inner wall, the mounting block is provided with a buckle, and the buckle is clamped in the second buckle mounting hole.

[0010] In an embodiment of the utility model, a plurality of first reinforcing ribs are arranged between the first support plate and the second support plate.

[0011] In an embodiment of the utility model, the lower shell is provided with a third support plate, the third support plate is arranged in parallel with the first support plate and the second support plate, and a plurality of second reinforcing ribs are arranged between the third support plate and the inner wall of the lower shell.

[0012] In an embodiment of the utility model, the lower shell is provided with a right-angle support plate on the side opposite to the third support plate, the right-angle support plate is arranged at the inner corner position of the lower shell, and a third reinforcing rib is arranged between the right-angle support plate and the inner wall of the lower shell.

[0013] In an embodiment of the utility model, the lower shell is provided with a U-shaped support plate on the inner wall of the side opposite to the third support plate, and a fourth reinforcing rib is arranged between the U-shaped support plate and the inner wall of the shell.

[0014] In an embodiment of the utility model, the outer wall of the lower shell is provided with a handle, and the handle is used for moving the lower shell.

[0015] In an embodiment of the utility model, the lower shell is provided with a partition plate, and the partition plate is perpendicular to the first support plate and the second support plate.

[0016] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0017] The combination structure of the sodium ion battery cluster is characterized in that the buckle structure arranged between the upper cover and the lower shell can quickly and accurately assemble the upper cover and the lower shell; meanwhile, the positioning baffle arranged on the upper cover can facilitate the mutual combination of the battery modules, the mechanical structure is simple and easy to process, and has good application value; the support structure composed of the supporting plate and the reinforcing ribs is arranged in the lower shell, the support structure can support the weight of multiple batteries, and the battery cluster can be allowed to be stacked by itself. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to the specific embodiment of the utility model and combining with the drawings, wherein

[0019] Figure 1 It is the explosion map of the combination structure of the sodium ion battery cluster in the preferred embodiment of the utility model;

[0020] Figure 2 It is the assembly drawing of the combination structure of the sodium ion battery cluster in the preferred embodiment of the utility model;

[0021] Figure 3 It is the structural schematic view of the lower shell in the preferred embodiment of the utility model;

[0022] Figure 4 It is the structural schematic view of the upper cover in the preferred embodiment of the utility model;

[0023] Figure 5 It is the structural schematic view of the buckle in the preferred embodiment of the utility model;

[0024] Figure 6 It is the support structure schematic view of the lower shell in the preferred embodiment of the utility model;

[0025] Figure 7 It is the structural schematic view of the combination structure of the sodium ion battery cluster when being stacked in the preferred embodiment of the utility model.

[0026] The drawing of the specification is explained as follows: upper cover 1, buckle 11, inclined surface 111, positioning baffle 12, lower shell 2, first buckle mounting hole 21, first supporting plate 22, second buckle mounting hole 221, second supporting plate 23, first reinforcing rib 24, third supporting plate 25, second reinforcing rib 26, right-angle supporting plate 27, third reinforcing rib 28, U-shaped supporting plate 29, fourth reinforcing rib 210, handle 211, partition plate 212. DETAILED DESCRIPTION

[0027] The utility model is further explained below combining with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0028] Referring to Figures 1-4 As shown in the utility model discloses a sodium ion battery cluster's combined structure, mainly includes upper and lower two parts: upper cover 1 and lower shell 2, the upper cover 1 is buckled on lower shell 2 to form the sealed cavity containing the electric core, the lower shell 2 is the rectangular box body structure of upper end opening, the upper end four around outer wall of lower shell 2 is equipped with first buckle mounting hole 21, the upper cover 1 is rectangular cover body, the four around inner wall of upper cover 1 is equipped with buckle 11, the buckle 11 is clamped to first buckle mounting hole 21 to realize the assembly of upper cover 1 and lower shell 2, the upper end of the upper cover 1 is equipped with the four edges of the face of positioning baffle strip 12, and the positioning baffle strip 12 is enclosed into rectangle and is used to limit the lower shell 2 stacked on the upper cover 1. The wiring position of the outer wall of lower shell 2 is further covered with a circuit cover plate 3, and the circuit cover plate 3 covers the wiring of the battery to keep the appearance of the battery cluster beautiful.

[0029] Referring to Figure 7 As shown in the utility model discloses a sodium ion battery cluster's combined structure, mainly includes upper and lower two parts: upper cover 1 and lower shell 2, the upper cover 1 is buckled on lower shell 2 to form the sealed cavity containing the electric core, the lower shell 2 is the rectangular box body structure of upper end opening, the upper end four around outer wall of lower shell 2 is equipped with first buckle mounting hole 21, the upper cover 1 is rectangular cover body, the four around inner wall of upper cover 1 is equipped with buckle 11, the buckle 11 is clamped to first buckle mounting hole 21 to realize the assembly of upper cover 1 and lower shell 2, the upper end of the upper cover 1 is equipped with the four edges of the face of positioning baffle strip 12, and the positioning baffle strip 12 is enclosed into rectangle and is used to limit the lower shell 2 stacked on the upper cover 1. The wiring position of the outer wall of lower shell 2 is further covered with a circuit cover plate 3, and the circuit cover plate 3 covers the wiring of the battery to keep the appearance of the battery cluster beautiful.

[0030] Referring to Figure 5 As shown in the utility model discloses a sodium ion battery cluster's combined structure, mainly includes upper and lower two parts: upper cover 1 and lower shell 2, the upper cover 1 is buckled on lower shell 2 to form the sealed cavity containing the electric core, the lower shell 2 is the rectangular box body structure of upper end opening, the upper end four around outer wall of lower shell 2 is equipped with first buckle mounting hole 21, the upper cover 1 is rectangular cover body, the four around inner wall of upper cover 1 is equipped with buckle 11, the buckle 11 is clamped to first buckle mounting hole 21 to realize the assembly of upper cover 1 and lower shell 2, the upper end of the upper cover 1 is equipped with the four edges of the face of positioning baffle strip 12, and the positioning baffle strip 12 is enclosed into rectangle and is used to limit the lower shell 2 stacked on the upper cover 1. The wiring position of the outer wall of lower shell 2 is further covered with a circuit cover plate 3, and the circuit cover plate 3 covers the wiring of the battery to keep the appearance of the battery cluster beautiful.

[0031] Referring to Figure 6 As shown in the utility model discloses a sodium ion battery cluster's combined structure, mainly includes upper and lower two parts: upper cover 1 and lower shell 2, the upper cover 1 is buckled on lower shell 2 to form the sealed cavity containing the electric core, the lower shell 2 is the rectangular box body structure of upper end opening, the upper end four around outer wall of lower shell 2 is equipped with first buckle mounting hole 21, the upper cover 1 is rectangular cover body, the four around inner wall of upper cover 1 is equipped with buckle 11, the buckle 11 is clamped to first buckle mounting hole 21 to realize the assembly of upper cover 1 and lower shell 2, the upper end of the upper cover 1 is equipped with the four edges of the face of positioning baffle strip 12, and the positioning baffle strip 12 is enclosed into rectangle and is used to limit the lower shell 2 stacked on the upper cover 1. The wiring position of the outer wall of lower shell 2 is further covered with a circuit cover plate 3, and the circuit cover plate 3 covers the wiring of the battery to keep the appearance of the battery cluster beautiful.

[0032] Secondly, the third support plate 25 is arranged in the lower shell 2, the third support plate 25 is parallel to the first support plate 22 and the second support plate 23, and a plurality of second reinforcing ribs 26 are arranged between the third support plate 25 and the inner wall of the lower shell 2. The plurality of second reinforcing ribs 26 are arranged in parallel, the second reinforcing ribs 26 are perpendicular to the bottom surface of the lower shell 2, and the second reinforcing ribs 26 form an "H" type structure with the third support plate 25 and the inner wall of the lower shell 2.

[0033] Thirdly, the lower shell 2 is provided with a right-angle support plate 27 on the side opposite to the third support plate 25, the right-angle support plate 27 is arranged at the inner corner position of the lower shell 2, and a third reinforcing rib 28 is arranged between the right-angle support plate 27 and the inner wall of the lower shell 2. The third reinforcing rib 28 is perpendicular to the bottom surface of the lower shell 2, and the third reinforcing rib 28, the right-angle support plate 27 and the inner wall of the lower shell 2 form a "Ri" type structure. A U-shaped support plate 29 is arranged on the inner wall of the side plate opposite to the third support plate 25 of the lower shell 2, and a fourth reinforcing rib 210 is arranged between the U-shaped support plate 29 and the inner wall of the lower shell 2. The fourth reinforcing rib 210 is perpendicular to the bottom surface of the lower shell 2, and the fourth reinforcing rib 210, the U-shaped support plate 29 and the inner wall of the lower shell 2 form a "Ri" type structure.

[0034] In the above support structure, the height of the upper end of the first support plate 22, the second support plate 23, the third support plate 25, the right-angle support plate 27 and the U-shaped support plate 29 is higher than the upper end surface of the battery cell placed in the lower shell 2 by 20-50 mm, so that the battery cell is prevented from being pressed.

[0035] In the above structure, the upper end of the first support plate 22 and the second support plate 23 is provided with a second buckle mounting hole 221, the rectangular cross-section inner wall of the upper cover 1 is provided with a mounting block 13, the mounting block 13 is provided with a buckle 11, and the buckle 11 is clamped in the second buckle mounting hole 221. The mounting block 13 is arranged in several rows, and the several mounting blocks 13 are divided into two columns, and the straight lines where the two columns of mounting blocks 13 are arranged correspond to the first support plate 22 and the second support plate 23 respectively. In this way, when the upper cover 1 is buckled to the lower shell 2, the buckles 11 around the upper cover 1 are clamped into the first buckle mounting hole 21, and the buckles 11 on the mounting block 13 are clamped into the second buckle mounting hole 221, so that the upper cover 1 is stably fixed on the lower shell 2.

[0036] In the above structure, the lower shell 2 is provided with a partition plate 212, and the partition plate 212 is perpendicular to the first support plate 22 and the second support plate 23. The partition plate 212, the first support plate 22 and the second support plate 23 are arranged in a cross shape, and the inner cavity of the lower shell 2 is divided by the partition plate 212, the first support plate 22 and the second support plate 23.

[0037] Referring to Figure 2As shown, the outer wall of the lower shell 2 is provided with a handle 211, which is used to move the lower shell 2.

[0038] Obviously, the above embodiments are only examples for clearly illustrating, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A combination structure of a sodium-ion battery cluster, characterized by, The utility model relates to a battery pack, including: An upper cover and a lower shell, the upper cover is buckled on the lower shell to form a sealed cavity containing the battery cell; The lower shell is a rectangular box structure with an open upper end, and a first buckle mounting hole is arranged on the outer wall of the upper end of the lower shell; The upper cover is a rectangular cover body, and a buckle is arranged on the inner wall of the upper cover, the buckle is buckled into the first buckle mounting hole to realize the assembly of the upper cover and the lower shell; A positioning ridge is arranged on each of the four edges of the upper end surface of the upper cover, and the positioning ridges enclose a rectangle to define the lower shell stacked on the upper cover.

2. The combination structure of sodium-ion battery clusters according to claim 1, characterized in that: The first buckle mounting hole is a rectangular hole, the buckle is a rectangular protrusion, and the end surface opposite to the bottom surface of the buckle is an inclined surface.

3. The combined structure of sodium-ion battery clusters according to claim 2, characterized in that: A first support plate and a second support plate are arranged at the middle position in the lower shell, the first support plate and the second support plate are arranged in parallel, and the first support plate and the second support plate are perpendicular to the bottom surface of the lower shell.

4. The combination structure of sodium-ion battery clusters according to claim 3, characterized in that: Second buckle mounting holes are arranged on the upper end of the first support plate and the second support plate, an installation block is arranged on the inner wall of the rectangular cross section of the upper cover, a buckle is arranged on the installation block, and the buckle is buckled into the second buckle mounting hole.

5. The combined structure of sodium-ion battery clusters according to claim 4, characterized in that: A plurality of first reinforcing ribs are arranged between the first support plate and the second support plate, and the plurality of first reinforcing ribs are arranged in parallel.

6. The combined structure of sodium-ion battery clusters according to claim 5, characterized in that: A third support plate is arranged in the lower shell, the third support plate is arranged in parallel with the first support plate and the second support plate, and a plurality of second reinforcing ribs are arranged between the third support plate and the inner wall of the lower shell.

7. The combined structure of sodium-ion battery clusters according to claim 5 or 6, characterized in that: A right-angle support plate is arranged on the side opposite to the third support plate of the lower shell, the right-angle support plate is arranged at the inner corner position of the lower shell, and a third reinforcing rib is arranged between the right-angle support plate and the inner wall of the lower shell.

8. The combined structure of sodium-ion battery clusters of claim 1, wherein: A U-shaped support plate is arranged on the inner wall of the side opposite to the third support plate of the lower shell, and a fourth reinforcing rib is arranged between the U-shaped support plate and the inner wall of the lower shell.

9. The combined structure of sodium-ion battery clusters of claim 1, wherein: A handle is arranged on the outer wall of the lower shell, and the handle is used to move the lower shell.

10. The combination structure of sodium-ion battery clusters of claim 4, wherein: A partition plate is arranged in the lower shell, and the partition plate is perpendicular to the first support plate and the second support plate.

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