A drawer type battery pack

Abstract

The utility model discloses a drawer type cabinet battery, including the case, be provided with battery upper support, battery lower support, middle tight hoop frame and battery module in the case, battery upper support and case top wall and lateral wall abut, battery lower support and case bottom wall and lateral wall abut, middle tight hoop frame top and battery upper support detachable connection, middle tight hoop frame bottom and battery lower support detachable connection, battery module is installed in middle tight hoop frame, the periphery side of battery module, the upper and lower surface with middle tight hoop frame all are provided with the shock pad between. The utility model discloses small, compact structure can be easily loaded into various cabinet, and the land space is saved, and battery module is fastened in the compact space, and the shock pad is used for shock absorption, and the stability, reliability is stronger, and the security is good.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, specifically a drawer-type battery cabinet. Background Technology

[0002] Electrochemical energy storage is becoming increasingly important due to its advantages such as ease of use, low environmental pollution, lack of geographical limitations, no restrictions on energy conversion from other cycles, high conversion efficiency, and high specific energy and specific power. Energy storage batteries are mainly assembled into battery packs by connecting batteries in series or parallel for energy storage, typically used as backup power for commercial and household appliances, as well as emergency power supplies. However, some existing energy storage batteries have complex structures. To facilitate the installation of the various battery modules, the enclosures are large and not compact enough, requiring more space for storage and occupying a large area. Furthermore, due to the large size and less compact structure of the enclosure, the battery modules are prone to collisions with other modules within the enclosure when subjected to external forces, leading to instability. Utility Model Content

[0003] The purpose of this utility model is to provide a drawer-type rack battery. This battery has a simple structure, small size, and compact design, and can be easily installed in various racks, saving space. Moreover, the battery module is firmly fixed in a compact space, which has strong stability, reliability, and safety, thereby solving a series of problems caused by the insufficient compactness of existing energy storage battery structures mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A drawer-type battery rack includes a chassis. Inside the chassis are an upper battery bracket, a lower battery bracket, a central clamping frame, and a battery module. The upper battery bracket abuts against the top and side walls of the chassis, and the lower battery bracket abuts against the bottom and side walls of the chassis. The top end of the central clamping frame is detachably connected to the upper battery bracket, and the bottom end of the central clamping frame is detachably connected to the lower battery bracket. The battery module is installed inside the central clamping frame, and shock-absorbing pads are provided between the outer periphery, top and bottom surfaces of the battery module and the central clamping frame.

[0006] Preferably, the battery upper support includes an upper support plate and two lower support plates detachably connected to the bottom end of the upper support plate. A connecting plate is erected on one edge of the top surface of the lower support plate. The top of the connecting plate has several recessed elongated slots. The edge of the upper support plate corresponding to the elongated slots is bent upward to form a first folded edge.

[0007] Preferably, the connection between the side of the connecting plate and the top surface of the lower support plate is provided with several ribs to enhance the connection and fastening.

[0008] Preferably, the upper support plate is bent upward at the edge away from the first fold to form a second fold opposite to the first fold, and a receiving cavity for wiring is formed between the top surface of the upper support plate, the inner side of the first fold, and the inner side of the second fold.

[0009] Preferably, the intermediate clamping frame includes two oppositely arranged guard plates, and the two sides of the lower support plate are folded upward to form a third folded edge that mates with the guard plates.

[0010] Preferably, the two ends of the lower support plate are folded down to form a first buckle that is pressed onto the shock-absorbing pad, the front end of each of the protective plates is folded toward the battery module to form a second buckle that is pressed onto the shock-absorbing pad, and the rear end of each of the protective plates is folded toward the other side of the battery module to form a clamping edge that is pressed onto the shock-absorbing pad.

[0011] Preferably, the chassis includes a rear shell with openings at the front and bottom, a front cover is detachably connected to the front opening of the rear shell, and a bottom cover is detachably connected to the bottom opening of the rear shell.

[0012] Preferably, the front opening edge of the rear shell is formed with a docking portion that is misaligned with the front end of the rear shell and extends to the front cover, and the outer edge of the front cover is bent to form an overlapping portion that extends to the front end of the rear shell, and the overlapping portion overlaps the docking portion.

[0013] Preferably, the bottom opening edge of the rear shell is respectively formed with a first connecting part that is misaligned with the bottom of the rear shell and extends towards the bottom cover, and the two sides and one edge of the bottom cover are respectively bent upward to form a second connecting part that extends towards the bottom of the rear shell, and the second connecting part is fastened to the first connecting part from the outside of the rear shell.

[0014] Preferably, the bottom cover is bent upward at the other end edge opposite to the second connecting portion to form a third connecting portion, and the bottom end of the front cover extends downward to form a fourth connecting portion that overlaps the third connecting portion.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: by separately abutting the upper battery bracket, the intermediate clamping frame, and the lower battery bracket against the inner wall of the chassis, and with the battery module being securely fastened within the compact space of the intermediate clamping frame, the space inside the chassis is made more compact, the chassis volume is smaller, and it can be easily installed into various racks, saving floor space and facilitating handling and transportation; the anti-vibration pads between the battery module and the intermediate clamping frame provide shock absorption, resulting in strong stability, reliability, and good safety; and the chassis, upper battery bracket, lower battery bracket, intermediate clamping frame, and battery module are all independent modules that can be mass-produced, which helps improve enterprise quality and efficiency. Attached Figure Description

[0016] Figure 1 This is a perspective view of a drawer-type battery cabinet according to the present invention.

[0017] Figure 2 This is an exploded view of a drawer-type battery cabinet according to this utility model;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 This is a schematic diagram of the internal structure of the chassis of this utility model;

[0021] Figure 6 for Figure 5 Exploded view;

[0022] Figure 7 This is an exploded view of the battery support bracket of this utility model;

[0023] Figure 8 This is an exploded view of the bottom cover of this utility model;

[0024] Figure 9 This is an exploded view of the intermediate clamping frame of this utility model.

[0025] In the diagram: 1. Chassis; 11. Rear cover; 111. Connecting part; 112. First connecting part; 12. Front cover; 121. Overlapping part; 122. Fourth connecting part; 13. Bottom cover; 131. Second connecting part; 132. Third connecting part; 133. L-shaped bracket; 2. Upper battery bracket; 21. Upper support plate; 211. First folded edge; 212. Second folded edge; 213. Cable routing port; 22. Lower support plate; 221. Third folded edge; 222. First latch; 23. Connecting plate; 231. Long hole slot; 232. Rib; 3. Lower battery bracket; 4. Middle clamping frame; 41. Protective plate; 411. Second latch; 412. Clamping edge; 5. Anti-vibration pad; 51. Through hole; 6. Battery module; 7. Aluminum sheet; 8. Hanging ear; 9. Cable clamp. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "more than" means two or more, unless otherwise explicitly specified. In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] Please see Figure 1-9 A drawer-type battery rack includes a chassis 1. Inside the chassis 1 are an upper battery bracket 2, a lower battery bracket 3, a central clamping frame 4, and a battery module 6. The upper battery bracket 2 abuts against the top and side walls of the chassis 1, and the lower battery bracket 3 abuts against the bottom and side walls of the chassis 1. The top end of the central clamping frame 4 is detachably connected to the upper battery bracket 2, and the bottom end of the central clamping frame 4 is detachably connected to the lower battery bracket 3. The battery module 6 is installed within the central clamping frame 4. (See also...) Figure 9 The battery module 6 is provided with shock-absorbing pads 5 on its outer periphery, top and bottom surfaces and between it and the intermediate clamping frame 4. In this embodiment, two intermediate clamping frames 4 are arranged side by side, and a battery module 6 is installed in each intermediate clamping frame 4.

[0029] This invention achieves a more compact internal space and smaller size by attaching the upper battery bracket 2, the intermediate clamping frame 4, and the lower battery bracket 3 to the inner wall of the chassis 1, with the battery module 6 secured within the space of the intermediate clamping frame 4. This allows the chassis 1 to be easily installed in various racks, saving floor space and facilitating handling and transportation. Furthermore, the shock-absorbing pad 5 between the battery module 6 and the intermediate clamping frame 4 provides vibration damping, resulting in strong stability, reliability, and good safety. The chassis 1, upper battery bracket 2, lower battery bracket 3, intermediate clamping frame 4, and battery module 6 are all independent modules, suitable for mass production, which helps improve enterprise quality and efficiency.

[0030] Please see Figure 2-4 The chassis 1 includes a rear shell 11 with openings at the front and bottom. A front cover 12 is detachably connected to the front opening of the rear shell 11, and a bottom cover 13 is detachably connected to the bottom opening of the rear shell 11. The edges of the front opening of the rear shell 11 each have a mating portion 111 that is offset from the front of the rear shell 11 and extends towards the front cover 12. The outer edge of the front cover 12 is bent to form an overlapping portion 121 extending towards the front of the rear shell 11. The overlapping portion 121 overlaps the mating portion 111, allowing the front cover 12 to be quickly fastened onto the rear shell 11 for convenient installation. The overlapping portion 121 and the mating portion 111 have coaxial first screw holes, allowing screws to connect the overlapping portion 121 and the mating portion 111, thus securing the front cover 12 to the rear shell 11. By offsetting the mating portion 111, the connection between the rear shell 11 and the front cover 12 is tighter, resulting in a more compact structure.

[0031] Please see Figure 2 as well as Figure 8 The bottom opening edge of the rear shell 11 has a first connecting portion 112 that is offset from the bottom of the rear shell 11 and extends towards the bottom cover 13. The bottom cover 13 has two sides and one edge that are bent upward to form a second connecting portion 131 that extends towards the bottom of the rear shell 11. The second connecting portion 131 is fastened to the first connecting portion 112 from the outside of the rear shell 11, making installation simple and effortless. The other edge of the bottom cover 13 relative to the second connecting portion 131 is bent upward to form a third connecting portion 132. The bottom end of the front cover 12 extends downward to form a fourth connecting portion 122 that overlaps the third connecting portion 132. In this embodiment, the first connecting part 112 and the second connecting part 131 are provided with coaxial second screw holes, and the first connecting part 112 and the second connecting part 131 can be fixed by screws passing through the second screw holes; the third connecting part 132 and the fourth connecting part 122 are provided with coaxial third screw holes, and the third connecting part 132 and the fourth connecting part 122 can be fixed by screws passing through the third screw holes, which is convenient for disassembly and assembly and easy for maintenance.

[0032] In this embodiment, the first connecting parts 112 on both sides of the bottom cover 13 are connected to L-shaped brackets 133, and the top of the L-shaped brackets 133 is connected to the outer wall of the rear shell 11. In this embodiment, the two side walls of the rear shell 11 and the bottom cover 13 are provided with a number of heat dissipation holes for heat dissipation, and the heat dissipation holes on the two side walls of the rear shell 11 are provided with a mesh for filtering debris (not shown).

[0033] Please see Figure 5-6 The battery upper bracket 2 includes an upper support plate 21 and two lower support plates 22 detachably connected to the bottom end of the upper support plate 21. Please refer to [link / reference]. Figure 7 A connecting plate 23 is erected on one edge of the top surface of the lower support plate 22. The top of the connecting plate 23 has several recessed elongated slots 231. The edge of the upper support plate 21 corresponding to the elongated slots 231 is bent upward to form a first folded edge 211. The first folded edge 211 has several fourth screw holes corresponding to the elongated slots 231. Screws can be passed through the fourth screw holes and the elongated slots 231 to fix the upper support plate 21 and the lower support plate 22.

[0034] Please refer to Figure 7 Several ribs 232 are provided at the connection between the side of the connecting plate 23 and the top surface of the lower support plate 22 to strengthen the connection and fastening.

[0035] Please see Figure 6-7 The upper support plate 21 is bent upwards at the edge away from the first folded edge 211 to form a second folded edge 212 opposite to the first folded edge 211. A accommodating cavity for cable routing is formed between the top surface of the upper support plate 21, the inner side of the first folded edge 211, and the inner side of the second folded edge 212 to allow for proper cable arrangement. The top ends of the first folded edge 211 and the second folded edge 212 abut against the top wall of the housing. In this embodiment, a cable routing port 213 for cable passage is provided at the bend between the second folded edge 212 and the upper support plate 21.

[0036] Please see Figure 6-7 The intermediate clamping frame 4 includes two guard plates 41 arranged opposite to each other. The two sides of the lower support plate 22 are folded upward to form a third folded edge 221 that mates with the guard plate 41. The upper part of the two guard plates 41 and the two third folded edges 221 are respectively provided with mutually compatible fifth screw holes. The two guard plates 41 can be fixed on the corresponding third folded edges 221 by passing screws through the fifth screw holes.

[0037] Please see Figure 7 as well as Figure 9The lower support plate 22 has its two ends folded downwards to form first latches 222 that snap onto the shock-absorbing pad 5. The front end of each of the protective plates 41 is folded towards the battery module 6 to form a second latch 411 that snaps onto the shock-absorbing pad 5. The rear end of each of the protective plates 41 is folded towards the other side of the battery module 6 to form a clamping edge 412 that snaps onto the shock-absorbing pad 5. The first latches 222, second latches 411, and clamping edges 412 secure the battery module 6 between the upper battery bracket 2, the intermediate clamping bracket 4, and the lower battery bracket 3, making the battery module 6 more stable and safer to install. Please refer to... Figure 6 The first loop 222 is equipped with a cable clamp 9 for cable routing, so that the cable arrangement is neater.

[0038] In this embodiment, the upper battery bracket 2 and the lower battery bracket 3 are symmetrically connected to the upper and lower ends of the intermediate clamping frame 4. The structure of the lower battery bracket 3 is the same as that of the upper battery bracket 2, and its structure will not be described again here.

[0039] Please see Figure 9 The battery module 6 includes several cells stacked sequentially, with adjacent cells separated by an insulating plate, and the cells connected in series by several aluminum sheets 7. In this embodiment, one of the shock-absorbing pads 5 has two rows of through holes 51 in the vertical direction for the aluminum sheets 7 to pass through and connect with the positive and negative terminals of the cells.

[0040] Please see Figure 7 The lower battery bracket 3 houses a PCB board (not shown in the diagram). Please refer to [link / reference]. Figure 1 as well as Figure 8 The bottom cover 13 is equipped with a battery positive terminal interface, a battery negative terminal structure, a network interface, a control switch, a display screen, a capacity indicator light, and LCD display buttons, all electrically connected to the PCB board. In this embodiment, there are two battery positive terminal interfaces and two battery negative terminal structures, corresponding to two battery modules 6.

[0041] Please see Figure 1 The bottom wall of the bottom cover 13 is hinged with a hanging ear 8 on each side, which allows the chassis 1 to be easily lifted or pulled out of the rack.

[0042] 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 drawer-type rack-mount battery, comprising a chassis (1), characterized in that: The chassis (1) is provided with an upper battery bracket (2), a lower battery bracket (3), a middle clamping frame (4), and a battery module (6). The upper battery bracket (2) abuts against the top wall and side wall of the chassis (1), the lower battery bracket (3) abuts against the bottom wall and side wall of the chassis (1), the top of the middle clamping frame (4) is detachably connected to the upper battery bracket (2), the bottom of the middle clamping frame (4) is detachably connected to the lower battery bracket (3), the battery module (6) is installed in the middle clamping frame (4), and anti-vibration pads (5) are provided between the outer periphery, top and bottom surfaces of the battery module (6) and the middle clamping frame (4).

2. The drawer-type mounting cabinet battery according to claim 1, characterized in that: The battery upper bracket (2) includes an upper support plate (21) and two lower support plates (22) detachably connected to the bottom of the upper support plate (21). A connecting plate (23) is erected on one edge of the top surface of the lower support plate (22). Several recessed elongated slots (231) are opened at the top of the connecting plate (23). The edge of the upper support plate (21) corresponding to the elongated slots (231) is bent upward to form a first folded edge (211).

3. The drawer-type mounting cabinet battery according to claim 2, characterized in that: The side of the connecting plate (23) and the top surface of the lower support plate (22) are provided with several ribs (232) to strengthen the connection and fastening.

4. The drawer-type mounting cabinet battery according to claim 2, characterized in that: The upper support plate (21) bends upward at the edge away from the first fold (211) to form a second fold (212) opposite to the first fold (211). A cavity for accommodating wiring is formed between the top surface of the upper support plate (21), the inner side of the first fold (211), and the inner side of the second fold (212).

5. The drawer-type battery rack according to any one of claims 2-4, characterized in that: The intermediate clamping frame (4) includes two oppositely arranged guard plates (41), and the two sides of the lower support plate (22) are folded upward to form a third folded edge (221) that connects with the guard plates (41).

6. The drawer-type mounting cabinet battery according to claim 5, characterized in that: The lower support plate (22) has its two ends folded down to form a first buckle (222) that is pressed onto the shock-absorbing pad (5). The front end of each of the guard plates (41) is folded toward the battery module (6) to form a second buckle (411) that is pressed onto the shock-absorbing pad (5). The rear end of each of the guard plates (41) is folded toward the battery module (6) to form a clamp (412) that is pressed onto the shock-absorbing pad (5).

7. The drawer-type battery rack according to any one of claims 1-4, characterized in that: The chassis (1) includes a rear shell (11) with openings at the front and bottom. A front cover (12) is detachably connected to the front opening of the rear shell (11), and a bottom cover (13) is detachably connected to the bottom opening of the rear shell (11).

8. The drawer-type mounting cabinet battery according to claim 7, characterized in that: The front opening edge of the rear shell (11) is respectively formed with a docking part (111) that is offset from the front end of the rear shell (11) and extends to the front cover (12). The outer edge of the front cover (12) is bent to form an overlapping part (121) that extends to the front end of the rear shell (11). The overlapping part (121) overlaps on the docking part (111).

9. The drawer-type mounting cabinet battery according to claim 8, characterized in that: The bottom opening edge of the rear shell (11) is respectively formed with a first connecting part (112) that is offset from the bottom of the rear shell (11) and extends to the bottom cover (13). The two sides and one edge of the bottom cover (13) are respectively bent upward to form a second connecting part (131) that extends to the bottom of the rear shell (11). The second connecting part (131) is fastened to the first connecting part (112) from the outside of the rear shell (11).

10. The drawer-type mounting cabinet battery according to claim 9, characterized in that: The bottom cover (13) bends upward at the other end edge opposite to the second connecting part (131) to form a third connecting part (132), and the bottom end of the front cover (12) extends downward to form a fourth connecting part (122) that overlaps the third connecting part (132).

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