Fixing structure of power battery PACK box body

Abstract

The utility model belongs to the technical field of PACK box bodies, and particularly relates to a power battery PACK box body fixing structure which comprises a box body, an air inlet and a side edge plate, the air inlet is formed in the side edge of the box body, the side edge plate is installed at the side end of the box body, and a limiting mechanism and a heat dissipation mechanism are arranged in the box body. According to the fixing structure of the power battery PACK box body, by arranging the limiting mechanism, the battery mounting position can be adjusted according to the size of a battery in the battery mounting process, so that the battery mounting efficiency of the device is improved, and the problem that in the background technology, the device is limited to fixed mounting of the battery with the fixed size, and the battery mounting efficiency is not improved is solved. The problem that the device has certain limitation is solved, by arranging the heat dissipation mechanism, after the battery is installed, heat dissipation can be conducted on the top end of the battery according to requirements, a draught fan can be rapidly disassembled and assembled, the practical performance of the device is improved, and the installation quality of the battery is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PACK boxes, in particular to a fixing structure of a power battery PACK box. Background Art

[0002] The voltage and power of battery PARK monomers are relatively small, which cannot meet the battery application requirements of energy storage systems and electric vehicles. Therefore, in actual use, multiple battery PARK monomers need to be connected in series to form a high-voltage battery string. In order to facilitate transportation, save space and effectively protect the battery PARK, more and more battery PACKs are installed in PACK boxes.

[0003] The existing PACK box structure adopts a tray added to the bottom of the box, the tray is fixed to the frame, and the box and the tray are fixed by an elastic structure. This structure fixes the box and the tray, which increases the weight, is not firmly fixed, and is inconvenient to disassemble and assemble.

[0004] A fixing structure of a power battery PACK box is proposed in the patent document with publication number CN206742305U, and the device includes a sliding mechanism and a fixing mechanism; the sliding mechanism includes a track fixed to the bottom of the PACK box and a roller group fixed to the frame and matched with the track; the fixing mechanism includes a limiting part and a fixing part; the limiting part includes a limiting part 1 fixed to the PACK box and located at the starting end of the track and a limiting part 2 fixed to the frame; the fixing part is fixed to the PACK box and located at the end of the track; under the cooperation of the limiting part and the fixing part, the PACK box is fixed to the frame. Compared with the prior art, the fixing structure of the PACK box provided by the utility model makes the PACK box easy to disassemble and assemble through the cooperation of the track and the roller, and the fixing of the limiting part and the fixing part, and eliminates the tray component, thereby reducing the dead weight.

[0005] However, the device is limited to fixed installation of batteries of fixed sizes, which makes the device have certain limitations.

[0006] To this end, we urgently need to provide a fixing structure for a power battery PACK box. Utility Model Content

[0007] The purpose of the utility model is to provide a fixing structure of a power battery PACK box to solve the problem that the device proposed in the above background technology is limited to fixed installation of batteries of fixed sizes, so that the device has certain limitations.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing structure of a power battery PACK box, comprising a box, an air inlet and a side panel, wherein the air inlet is opened on the side of the box, the side panel is installed on the side end of the box, and a limiting mechanism and a heat dissipation mechanism are arranged inside the box.

[0009] The limiting mechanism includes a fixed seat, a placement groove, a side groove, a connecting rail, a connecting block, a fixing hole, a connecting bolt and a partition. The fixed seat is arranged inside the box body, the placement groove is opened at the top of the fixed seat, the side groove is opened at the side of the fixed seat, the connecting rail is fixedly installed on the inner wall of the side groove, the connecting block is arranged inside the side groove, the fixing hole is opened at the side of the fixed seat, the connecting bolt is connected to the fixed end of the connecting block, and the partition is movably installed at the other end of the connecting block.

[0010] Preferably, the heat dissipation mechanism includes a fixing column, a connecting column, a mounting seat, a fixing bolt, a machine frame, a fan and a protective plate, the fixing column is fixedly installed on the top of the fixing seat, the connecting column is connected to the inside of the fixing column, the mounting seat is arranged on the top of the connecting column, the fixing bolt is connected to the fixed end of the mounting seat, the machine frame is installed inside the mounting seat, the fan is installed inside the machine frame, and the protective plate is movably installed on the top of the machine frame.

[0011] Preferably, the heat dissipation mechanism includes a fixing column, a connecting column, a mounting seat, a fixing bolt, a machine frame, a fan and a protective plate, the fixing column is fixedly installed on the top of the fixing seat, the connecting column is connected to the inside of the fixing column, the mounting seat is arranged on the top of the connecting column, the fixing bolt is connected to the fixed end of the mounting seat, the machine frame is installed inside the mounting seat, the fan is installed inside the machine frame, and the protective plate is movably installed on the top of the machine frame.

[0012] Preferably, the bottom end of the partition is in contact with the bottom end of the placement groove, so that the partition moves more stably, thereby improving the firmness of the installed battery, and heat dissipation holes are opened on the side of the partition, so that the heat generated by the battery can be dissipated in time.

[0013] Preferably, an extrusion spring is provided inside the fixing column, and the other end of the extrusion spring is connected to the bottom end of the connecting column. By utilizing the elasticity of the extrusion spring, the connecting column has a certain buffering performance, so that the battery can be installed and fixed more stably, and the heat dissipation efficiency of the device is improved.

[0014] Preferably, the mounting base is fixed to the top connection of the connecting column by a fixing bolt, so that the mounting base can be quickly installed and fixed, which improves the convenience of disassembly and assembly, and an insulating layer is provided on the bottom surface of the mounting base, so that the bottom of the mounting base has a certain insulation performance, so that the device has a certain protective performance.

[0015] Preferably, the protective plate connection end is snap-connected with the top connection of the frame, which is convenient for installation and removal of the protective plate, and also convenient for replacement thereof. A through groove is provided at the top of the protective plate, so that the installed battery pack can be better dissipated, thereby improving the protection performance of the battery pack.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The fixed structure of the power battery PACK box can adjust the installation position of the battery according to the size of the battery during the installation of the battery by setting a limiting mechanism, thereby improving the battery installation efficiency of the device and solving the problem that the device mentioned in the background technology is limited to fixed installation of batteries of fixed size, which makes the device have certain limitations.

[0018] 2. The fixed structure of the power battery PACK box is provided with a heat dissipation mechanism. After the battery is installed, the top of the battery can be cooled as needed, and the fan can be quickly disassembled and assembled, which improves the practical performance of the device and the installation quality of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the appearance of the fixed structure of the utility model;

[0021] Figure 3 It is a side view structural diagram of the fixed structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of the heat dissipation mechanism structure of the utility model.

[0024] In the figure: 1, box body; 2, air inlet; 3, side panel; 401, fixing seat; 402, placement slot; 403, side slot; 404, connecting rail; 405, connecting block; 406, fixing hole; 407, connecting bolt; 408, partition; 501, fixing column; 502, connecting column; 503, mounting seat; 504, fixing bolt; 505, frame; 506, fan; 507, protective plate. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0027] Embodiment 1:

[0028] A fixing structure of a power battery PACK box comprises a box 1, an air inlet 2 and a side plate 3, wherein the air inlet 2 is opened on the side of the box 1, the side plate 3 is installed on the side end of the box 1, and a limiting mechanism and a heat dissipation mechanism are arranged inside the box 1.

[0029] The limiting mechanism includes a fixing seat 401, a placement groove 402, a side groove 403, a connecting rail 404, a connecting block 405, a fixing hole 406, a connecting bolt 407 and a partition 408. The fixing seat 401 is arranged inside the box body 1, the placement groove 402 is opened at the top of the fixing seat 401, the side groove 403 is opened at the side of the fixing seat 401, the connecting rail 404 is fixedly installed on the inner wall of the side groove 403, and the connecting block 405 is arranged inside the side groove 403. The connecting end of the connecting block 405 abuts against the outer wall of the connecting rail 404 and is slidably connected. By moving the connecting block 405, the partition 408 can be driven to move, so as to facilitate the adjustment of the position of the installed battery, thereby It is convenient to install batteries of different sizes, and the connecting block 405 is fixed to the side of the fixing seat 401 through the connecting bolt 407 and the fixing hole 406, so as to fix the partition 408, thereby improving the stability of the installed battery. The fixing hole 406 is opened on the side of the fixing seat 401, and the connecting bolt 407 is connected to the fixed end of the connecting block 405. The partition 408 is movably installed at the other end of the connecting block 405. The bottom end of the partition 408 abuts against the bottom end of the placement groove 402, so that the partition 408 moves more stably, thereby improving the firmness of the installed battery, and the side of the partition 408 is provided with a heat dissipation hole, so that the heat generated by the battery can be dissipated in time.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment: the heat dissipation mechanism includes a fixing column 501, a connecting column 502, a mounting seat 503, a fixing bolt 504, a frame 505, a fan 506 and a protective plate 507, the fixing column 501 is fixedly installed at the top of the fixing seat 401, the connecting column 502 is connected to the inside of the fixing column 501, the mounting seat 503 is arranged at the top of the connecting column 502, and the mounting seat 503 is fixed to the connection at the top of the connecting column 502 by the fixing bolt 504, so that the mounting seat 503 can be quickly installed and fixed, which improves the convenience of disassembly and assembly, and the bottom surface of the mounting seat 503 is provided with an insulating layer, so that the mounting seat 503 can be installed and fixed quickly. The bottom end of the mounting seat 503 has certain insulation properties, so that the device has certain protection properties. The fixing bolt 504 is connected to the fixed end of the mounting seat 503, the machine frame 505 is installed inside the mounting seat 503, the fan 506 is installed inside the machine frame 505, and the protective plate 507 is movably installed on the top of the machine frame 505. The connecting end of the protective plate 507 is snap-connected with the connecting part at the top of the machine frame 505, which is convenient for installing and removing the protective plate 507, and also convenient for replacing it. A through groove is opened on the top of the protective plate 507, so that the installed battery pack can be better dissipated, thereby improving the protection performance of the battery pack.

[0032] Embodiment 3: A compression spring is provided inside the fixing column 501, and the other end of the compression spring is connected to the bottom end of the connecting column 502. By utilizing the elasticity of the compression spring, the connecting column 502 has a certain buffering performance, so that the battery can be installed and fixed more stably, and the heat dissipation efficiency of the device is also improved.

[0033] When in use, the battery pack is placed inside the placement slot 402 by moving the connecting block 405, thereby driving the partition 408 to move, and the connecting block 405 is fixed by connecting the connecting bolt 407 with the fixing hole 406, and the partition 408 is also fixed, the mounting seat 503 is fixed to the fixed end of the connecting column 502 by the fixing bolt 504, and the protective plate 507 is installed on the top of the frame 505, and the heat generated by the operation of the fan 506 can be discharged in time, and an extrusion spring is provided inside the fixing column 501, and the other end of the extrusion spring is connected to the bottom end of the connecting column 502, and the elasticity of the extrusion spring is used to make the connecting column 502 have a certain buffering performance, so that the battery can be installed and fixed more stably, and the heat dissipation efficiency of the device is also improved, and finally the fixing seat 401 is fixed to the inside of the box 1 by bolts, so that the structure inside the box 1 starts to operate.

[0034] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A fixing structure of a power battery PACK box, comprising a box (1), an air inlet (2) and a side plate (3), wherein the air inlet (2) is opened on the side of the box (1), and the side plate (3) is installed on the side end of the box (1), characterized in that: A limiting mechanism and a heat dissipation mechanism are arranged inside the box (1); The limiting mechanism comprises a fixing seat (401), a placement groove (402), a side groove (403), a connecting rail (404), a connecting block (405), a fixing hole (406), a connecting bolt (407) and a partition (408); the fixing seat (401) is arranged inside the box body (1); the placement groove (402) is opened at the top of the fixing seat (401); the side groove (403) is opened at the side of the fixing seat (401); the connecting rail (404) is fixedly installed on the inner wall of the side groove (403); the connecting block (405) is arranged inside the side groove (403); the fixing hole (406) is opened at the side of the fixing seat (401); the connecting bolt (407) is connected to the fixed end of the connecting block (405); and the partition (408) is movably installed at the other end of the connecting block (405).

2. The fixing structure of a power battery PACK box according to claim 1, characterized in that: The heat dissipation mechanism comprises a fixing column (501), a connecting column (502), a mounting seat (503), a fixing bolt (504), a machine frame (505), a fan (506) and a protective plate (507); the fixing column (501) is fixedly mounted on the top of the fixing seat (401); the connecting column (502) is connected to the inside of the fixing column (501); the mounting seat (503) is arranged on the top of the connecting column (502); the fixing bolt (504) is connected to the fixed end of the mounting seat (503); the machine frame (505) is mounted inside the mounting seat (503); the fan (506) is mounted inside the machine frame (505); and the protective plate (507) is movably mounted on the top of the machine frame (505).

3. The fixing structure of a power battery PACK box according to claim 1, characterized in that: The connecting end of the connecting block (405) is in abutment with and slidably connected to the outer wall of the connecting rail (404), and the connecting block (405) is fixed to the side of the fixing seat (401) via a connecting bolt (407) and a fixing hole (406).

4. The fixing structure of a power battery PACK box according to claim 1, characterized in that: The bottom end of the partition (408) abuts against the bottom end of the interior of the placement groove (402), and a heat dissipation hole is provided on the side of the partition (408).

5. The fixing structure of a power battery PACK box according to claim 2, characterized in that: A compression spring is arranged inside the fixing column (501), and the other end of the compression spring is connected to the bottom end of the connecting column (502).

6. The fixing structure of a power battery PACK box according to claim 2, characterized in that: The mounting seat (503) is fixed to the top connection of the connecting column (502) via a fixing bolt (504), and an insulating layer is provided on the bottom surface of the mounting seat (503).

7. The fixing structure of a power battery PACK box according to claim 2, characterized in that: The connection end of the protection plate (507) is snap-connected with the connection point at the top of the frame (505), and a through slot is provided at the top of the protection plate (507).

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