Energy storage battery pack and battery module arrangement structure

Abstract

The utility model discloses an energy storage battery pack and battery module arrangement structure, which comprises a shell, a battery module and a battery module, the battery module installation layers are installed in the shell in a multi-layer arrangement mode, each battery module installation layer comprises an installation plate, a plurality of installation grooves arranged in a honeycomb mode along the end face of the installation plate are formed in each installation plate, and heat dissipation pieces are arranged at the tops of the installation grooves; a plurality of battery cells are arranged on the mounting plate in a honeycomb arrangement manner and are arranged into a hexagonal structure, so that gaps among the battery cells can be effectively reduced, and the effective space in the battery can be utilized to the maximum extent, and therefore, more battery cells can be accommodated in the mounting plate with the same volume, and the overall energy density can be improved; the battery module fixing pieces are arranged at the two ends of the battery module, so that the battery module is mounted and connected on the object, and the object and the battery module are connected through the buffer spring, so that the impact force can be prevented from being dispersed by the buffer spring through deformation during external impact, and the risk of battery cell breakage or level piece dislocation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery technical field, concretely relates to a kind of energy storage battery pack and battery module arrangement structure. BACKGROUND

[0002] The existing energy storage battery pack usually adopts fixed battery module arrangement structure, leading to low space utilization of battery pack, poor heat dissipation performance, and difficulty in adapting to the needs of different application scenarios.

[0003] In the prior art, the battery module arrangement structure of the energy storage battery pack is usually a single linear arrangement or matrix arrangement, which is simple in structure but has the following problems in actual application:

[0004] Low space utilization: the gap between battery modules is large, leading to large volume of battery pack, which is difficult to meet the needs of compact equipment;

[0005] 1. Poor heat dissipation performance: heat accumulation between battery modules can easily cause battery temperature to be too high, affecting battery life and even causing safety hazards;

[0006] 2. Fixed arrangement: the arrangement of battery modules is fixed, which is difficult to adjust flexibly according to actual application scenarios, limiting the application range of battery pack;

[0007] 3. Insufficient shock resistance: battery modules are prone to looseness in a vibrating environment, affecting the stability and safety of the battery pack.

[0008] Therefore, there is an urgent need for an energy storage battery pack and battery module arrangement structure that can improve space utilization, improve heat dissipation performance, enhance shock resistance and have a flexible arrangement structure. SUMMARY

[0009] To solve the above problems existing in the prior art, the utility model aims to provide an energy storage battery pack and battery module arrangement structure.

[0010] The utility model adopts the technical scheme of comprising:

[0011] A shell forms a cavity structure inside;

[0012] A battery module installation layer is installed in the shell in multiple layers, comprising an installation plate with a plurality of honeycomb arrangement installation slots formed on the end face, and a heat dissipation member is provided on the top of the installation slot;

[0013] A battery module is installed in the installation slot;

[0014] The battery module fixing member is symmetrically distributed at both ends of the mounting plate and forms a heat dissipation gap with the mounting plate, the battery module fixing member comprises a side plate, a buffer spring is connected to the side plate, and the battery module mounting layer is connected with the battery module fixing member through the buffer spring.

[0015] Preferably, the mounting groove is a regular hexagonal structure and penetrates the mounting plate, and each mounting groove corresponds to a battery module.

[0016] Preferably, the heat dissipation member comprises:

[0017] A fixed ring piece is fixedly connected to the upper end surface of the mounting plate and is in communication with the mounting groove inside;

[0018] A heat dissipation fin is fixedly connected to the fixed ring piece;

[0019] A heat conduction pipe sequentially penetrates a plurality of heat dissipation fins, the side plate and the shell, a heat dissipation guide groove for the heat conduction pipe to penetrate is formed in the shell, and one end of the heat conduction pipe is connected with a heat dissipation member outside the shell through the guide groove.

[0020] Preferably, the heat dissipation fin is an aluminum heat dissipation fin, and the heat conduction pipe is a copper heat conduction pipe.

[0021] Preferably, a heat-conducting silica gel piece is arranged between the heat dissipation fin and the battery module, and the heat-conducting silica gel piece is used for heat conduction between a plurality of stacked battery modules.

[0022] Preferably, a rectangular groove is formed in the side plate, an abutting plate is arranged in the rectangular groove, the abutting plate is fixedly connected with the side plate through a bolt, a sliding rod is arranged on the side plate, one end of the sliding rod is fixedly provided with a supporting buffer plate, and the supporting buffer plate is used for supporting and bearing the mounting plate.

[0023] Preferably, the buffer spring is sleeved on the sliding rod, and the two ends of the buffer spring are respectively abutted with the mounting plate and the side plate.

[0024] Preferably, a handle is fixedly arranged on the shell, and a sliding wheel set is rotatably arranged at an end of the shell away from the handle.

[0025] The battery module fixing member is symmetrically distributed at both ends of the mounting plate and forms a heat dissipation gap with the mounting plate, the battery module fixing member comprises a side plate, a buffer spring is connected to the side plate, and the battery module mounting layer is connected with the battery module fixing member through the buffer spring.

[0026] The utility model discloses a kind of energy storage battery pack and battery module arrangement structure, multiple electric cores are arranged in honeycomb arrangement mode on mounting plate, and set into hexagonal structure, can effectively reduce the gap between electric core, maximize the effective space inside battery, so that more electric cores are contained in the mounting plate of same volume, improve overall energy density;The installation connection of battery module on object is realized by setting battery module fixing part at the two ends of battery module, and object and battery module are connected by buffer spring, can avoid when external impact, buffer spring disperses impact force by deformation, reduce the risk of electric core rupture or wafer misplacement, improve the shock resistance of battery, the heat dissipation gap formed between object and battery module is equipped with the heat dissipation member on the top of mounting groove, can effectively improve the heat dissipation efficiency of battery. BRIEF DESCRIPTION OF DRAWINGS

[0027] The utility model will be further explained in detail in combination with the drawings and specific implementation method.

[0028] Figure 1 It is the structure schematic diagram of the utility model;

[0029] Figure 2 It is the explosion structure schematic diagram of the utility model;

[0030] Figure 3 It is the explosion structure schematic diagram of battery module installation layer of the utility model;

[0031] Figure 4 It is the structure schematic diagram of side plate of the utility model;

[0032] Figure 5 It is another view structure schematic diagram of side plate of the utility model;

[0033] Figure 6 It is the structure schematic diagram of the utility model Figure 4 A place in the of the utility model is enlarged structure schematic diagram.

[0034] In the drawing: 1, shell;2, battery module installation layer;3, battery module;4, battery module fixing part;11, handle;12, sliding wheel group;20, mounting plate;21, mounting groove;22, heat dissipation member;41, side plate;42, heat guide groove;43, rectangular groove;44, support buffer plate;220, fixed ring sheet;221, heat dissipation sheet;222, heat conduction pipe;223, heat conduction silica gel sheet;441, abutment plate;442, sliding rod;443, buffer spring; DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described examples are only a part of the examples of the utility model, but not all the examples. The components of the utility model examples described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the detailed description of the embodiments of the utility model provided in the drawings below is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0037] The specific implementation of the utility model will be described below in combination with Figures 1-6 The specific implementation of the utility model will be described below in combination with

[0038] The shell 1 forms a cavity structure inside, providing installation space for the battery module 3;

[0039] The battery module installation layer 2 is installed in the shell 1 in multiple layers, and according to the required battery capacity size, multiple layers of battery modules 3 can be stacked in the object. In this embodiment, two layers of battery modules 3 are stacked in the shell 1. The battery module installation layer 2 includes an installation plate 20, and a plurality of installation grooves 21 arranged in a honeycomb pattern along the end face of the installation plate 20 are formed on the installation plate 20. The top of the installation groove 21 is provided with a heat dissipation piece 22. The installation groove 21 provides installation space for a single battery cell. The plurality of battery cells are arranged in a honeycomb pattern on the installation plate 20, which can effectively reduce the gap between the battery cells, maximize the use of the effective space inside the battery, and thus accommodate more battery cells in the same volume of installation plate 20, thereby improving the overall energy density.

[0040] The battery module 3 is installed in the installation groove 21;

[0041] The battery module fixing member 4 is symmetrically distributed at both ends of the installation plate 20 and forms a heat dissipation gap with the installation plate 20, which can improve the heat dissipation efficiency of the battery module 3;

[0042] The battery module fixing part 4 includes a side plate 41, a buffer spring 443 is connected on the side plate 41, the battery module mounting layer 2 is connected with the battery module fixing part 4 through the buffer spring 443, the bottom of the two ends of the battery module 3 is connected with the shell 1 through the buffer spring 443, and a gap is formed between the battery module 3 and the shell 1, which can be used to improve the heat dissipation efficiency. At the same time, due to the existence of a certain expansion coefficient of the battery cell in the charging and discharging use, the heat dissipation gap can provide compensation for the change of the volume of the battery cell, the buffer spring 443 can relieve the additional pressure caused by the expansion, and at the same time, the impact generated by the external mechanical vibration can be absorbed. By connecting the two ends of the battery module 3 through the buffer spring 443, when the external impact occurs, the buffer spring 443 can disperse the impact force through deformation, thereby reducing the risk of rupture or dislocation of the battery cell.

[0043] Please refer to Figures 1-3 As shown in the figure, the mounting groove 21 is a regular hexagonal structure and penetrates the mounting plate 20, and each mounting groove 21 is correspondingly mounted with a battery module 3. The honeycomb arrangement of the hexagonal mounting groove 21 on the mounting plate 20 can disperse external pressure, reduce the risk of short circuit caused by extrusion or collision of the battery cell, and improve the overall safety factor of the battery. At the same time, the gap between every two can also take into account the heat dissipation efficiency.

[0044] Please refer to Figures 3-5 As shown in the figure, the heat dissipation part 22 includes:

[0045] The fixed ring piece 220 is fixedly connected to the upper end face of the mounting plate 20 and communicates with the mounting groove 21 inside, is fixed above the mounting plate 20, and is distributed along the end face of the mounting plate 20 in a manner of multiple in each column, so that the multiple fixed ring pieces 220 are in a honeycomb shape as a whole, thereby providing mounting space for the battery cell and achieving mounting and fixing of the battery cell;

[0046] The heat dissipation fin 221 is fixedly connected in the fixed ring piece 220, a plurality of heat dissipation fins 221 are arranged in each fixed ring piece 220, and the bottom of the heat dissipation fin 221 extends to the top of the battery cell mounted in the mounting groove 21, thereby transferring the heat generated by the battery cell outward;

[0047] The heat conduction pipe 222 penetrates the plurality of heat dissipation fins 221 in sequence, the heat conduction pipe 222 conducts the heat of the heat dissipation fin outward, the side plate 41 and the shell 1 are provided with a heat dissipation guide groove 42 through which the heat conduction pipe 222 penetrates, one end of the heat conduction pipe 222 is connected with the heat dissipation part 22 outside the shell 1 through the guide groove, the guide groove is used for the penetrability of the connection of the heat dissipation pipe and the heat dissipation part 22 outside the battery cell, and heat transfer of the heat in the heat conduction pipe 222 is realized.

[0048] Please refer to Figure 3As shown, the heat sink 221 is an aluminum heat sink 221, which has the advantages of light weight, low cost, easy processing, etc., and is suitable for the heat dissipation material of the battery cell heat dissipation main body, and the heat pipe 222 is a copper heat pipe 222, which has the advantages of ultra-high thermal conductivity and strong temperature uniformity, and is suitable for efficient heat transfer of the battery cell.

[0049] Please refer to Figure 3 As shown, the heat sink 221 and the battery module 3 are provided with a heat-conducting silica gel sheet 223, which is used for heat conduction between the stacked battery modules 3, so as to improve the heat conductivity of the multi-layer battery module 3.

[0050] Please refer to Figures 4-5 As shown, the side plate 41 is provided with a rectangular groove 43, and the rectangular groove 43 is provided with an abutting plate 441, which is fixedly connected with the side plate 41 through bolts, and the side plate 41 is provided with a sliding rod 442, one end of the sliding rod 442 is fixedly provided with a supporting buffer plate 44, and the bottom of the supporting buffer plate 44 is used for supporting and bearing the mounting plate 20; one end of the rectangular groove 43 close to the battery module 3 is provided with the abutting plate 441 through fixed bolts, the abutting plate 441 is slidably connected with the sliding rod 442, one end of the sliding rod 442 is limited to have a certain stroke of sliding, and the other end of the sliding rod 442 is fixedly connected with the supporting buffer plate 44, so that the supporting buffer plate 44 can move on one side of the side plate 41; since the buffer spring 443 is arranged between the abutting plate 441 and the supporting buffer plate 44, the supporting buffer plate 44 is used for supporting the battery module 3, and through the cooperation between the components, the supporting and buffering of the installed battery module 3 are realized, so that the battery module 3 is prevented from being cracked and damaged due to impact on the object; wherein the buffer spring 443 is a micro spring, and the number and installation position of the supporting buffer plate 44 can be specifically arranged according to the actual supporting and buffering requirements.

[0051] Please refer to Figure 6 As shown, the buffer spring 443 is sleeved on the sliding rod 442, and the two ends thereof are in abutment with the mounting plate 20 and the side plate 41 respectively.

[0052] Please refer to Figure 1 As shown, the shell 1 is fixedly provided with a handle 11, and one end of the shell 1 away from the handle 11 is rotatably provided with a sliding wheel set 12; the handle 11 and the sliding wheel set 12 are used for convenient carrying and transferring of the battery.

[0053] The working principle of the utility model:

[0054] The battery mounting plate 20 is provided with a plurality of mounting grooves 21 distributed in each column, and the shape of the mounting grooves 21 is hexagonal, so that the plurality of mounting grooves 21 are honeycomb-shaped to provide mounting space for the battery cells, the honeycomb-shaped arrangement of the battery cells can effectively reduce the gap between the battery cells, maximize the effective space mounting area of the mounting plate 20, thereby containing more battery cells in the same volume of the mounting plate 20, and improving the overall energy density;

[0055] In addition, by arranging the battery module fixing member 4 at both ends of the battery module 3, the battery module fixing member 4 can realize the connection between the battery module 3 and the shell 1, wherein the side plate 41 is provided with a rectangular groove 43, the rectangular groove 43 is fixedly provided with an abutting plate 441, the abutting plate 441 is slidably provided with a sliding rod 442, the sliding rod 442 is fixedly connected with a supporting buffer plate 44 at one end away from the abutting plate 441, and a buffer spring 443 is arranged between the supporting buffer plate 44 and the abutting plate 441, and the buffer spring 443 is sleeved on the sliding rod 442, and the supporting buffer plate 44 provides supporting and buffering for the battery module 3, so that when the battery is impacted from the outside, the battery module 3 is prevented from being impacted by a large impact force from the shell 1 under the action of the buffer spring 443, and the battery module 3 is prevented from being damaged, so as to improve the service life of the battery.

[0056] The top of the mounting groove 21 is provided with a heat dissipation member 22 for heat conduction and transmission of heat generated by the battery module 3, wherein the bottom of the heat dissipation fin 221 is close to the battery module 3, the heat dissipation fin 221 is provided with a heat dissipation pipe 222, the heat dissipation pipe 222 is connected with the heat dissipation member 22 outside the battery, and the heat generated by the battery module 3 can be transmitted outward through the heat dissipation fin 221 and the heat dissipation pipe, thereby effectively improving the heat dissipation performance of the battery.

[0057] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] The above content is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the present application or exceed the scope defined by the present application, which shall belong to the protection scope of the present application.

Claims

1. A battery storage pack and battery module arrangement structure, characterized in that, include: The shell (1) has a cavity structure inside; The battery module mounting layer (2) is installed in the housing (1) in a multi-layer arrangement. The battery module mounting layer (2) includes a mounting plate (20). The mounting plate (20) has a plurality of mounting grooves (21) arranged in a honeycomb pattern along its end face. The top of the mounting groove (21) is provided with a heat sink (22). The battery module (3) is installed in the mounting slot (21); The battery module fixing component (4) is symmetrically distributed at both ends of the mounting plate (20) and forms a heat dissipation gap with the mounting plate (20). The battery module fixing component (4) includes a side plate (41) and a buffer spring (443) is connected to the side plate (41). The battery module mounting layer (2) and the battery module fixing component (4) are connected through the buffer spring (443).

2. The energy storage battery pack and battery module (3) arrangement structure according to claim 1, characterized in that: The mounting slot (21) is a regular hexagonal structure and extends through the mounting plate (20). Each mounting slot (21) contains a corresponding battery module (3).

3. The energy storage battery pack and battery module (3) arrangement structure according to claim 2, characterized in that, The heat sink (22) includes: A fixing ring (220) is fixedly connected to the upper end face of the mounting plate (20) and its interior communicates with the mounting groove (21); The heat sink (221) is fixedly connected inside the fixing ring (220); A heat pipe (222) passes through multiple heat sinks (221) in sequence. A heat dissipation guide groove (42) is provided on the side plate (41) and the housing (1) for the heat pipe (222) to pass through. One end of the heat pipe (222) is connected to the heat sink (22) outside the housing (1) through the guide groove.

4. The energy storage battery pack and battery module (3) arrangement structure according to claim 3, characterized in that: The heat sink (221) is an aluminum heat sink (221), and the heat pipe (222) is a copper heat pipe (222).

5. The energy storage battery pack and battery module (3) arrangement structure according to claim 4, characterized in that: A thermally conductive silicone pad (223) is provided between the heat sink (221) and the battery module (3), and the thermally conductive silicone pad (223) is used for heat conduction between the multiple layers of the battery module (3).

6. The energy storage battery pack and battery module (3) arrangement structure according to claim 1, characterized in that: A rectangular groove (43) is provided on the side plate (41), and an abutment plate (441) is provided in the rectangular groove (43). The abutment plate (441) is fixedly connected to the side plate (41) by bolts. A sliding rod (442) is provided on the side plate (41), and a support buffer plate (44) is fixedly provided at one end of the sliding rod (442). The bottom of the support buffer plate (44) is used to support the mounting plate (20).

7. The energy storage battery pack and battery module (3) arrangement structure according to claim 6, characterized in that: The buffer spring (443) is sleeved on the sliding rod (442), and its two ends abut against the mounting plate (20) and the side plate (41) respectively.

8. The energy storage battery pack and battery module (3) arrangement structure according to claim 1, characterized in that: A handle (11) is fixedly provided on the housing (1), and a set of sliding wheels (12) is rotatably provided at one end of the housing (1) away from the handle (11).

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