Sodium ion battery energy storage box and device

Abstract

The utility model discloses a kind of sodium ion battery energy storage box and device, when production assembly, sodium ion battery module is installed in the shell inside first, then the upper cover is covered in the upper opening of shell, make sodium ion battery module be in closed environment.When the product needing to be charged is connected with output terminal, intelligent sodium electricity protection board is used to monitor, protect and manage the running state of sodium ion battery module, to ensure its safety and service life, and, heat generated in the charging process can be quickly conducted to the heat sink, the heat sink can exchange heat with external air, so as to avoid heat accumulation inside the device.

Description

Technical Field

[0001] This utility model relates to the field of sodium-ion battery technology, specifically to a sodium-ion battery energy storage box and device. Background Technology

[0002] With the development of emerging energy storage technologies, sodium-ion batteries are increasingly being used in the large-scale energy storage market due to their lower cost advantage compared to lithium batteries, including sodium-ion battery energy storage devices. However, existing sodium-ion battery energy storage devices lack heat dissipation structures, resulting in poor heat dissipation and a tendency for heat buildup. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a sodium-ion battery energy storage box and device, which can solve the problem of poor heat dissipation effect of existing sodium-ion battery energy storage devices.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: On the one hand, a sodium-ion battery energy storage box is provided, including a heat dissipation plate, a smart sodium battery protection plate, a top cover and a shell with an opening at the top. The shell is used to accommodate a sodium-ion battery module. The top cover covers the opening at the top of the shell. A heat dissipation vent is provided on one side of the shell. The heat dissipation plate is connected to the heat dissipation vent. The smart sodium battery protection plate is installed on the side of the heat dissipation plate facing the inside of the shell. An output terminal is provided on the heat dissipation plate. The smart sodium battery protection plate is connected between the output terminal and the sodium-ion battery module.

[0005] As a further improvement to the above technical solution, the heat sink is provided with a number of heat dissipation fins, and the heat dissipation fins are all installed on the side of the heat sink away from the inside of the housing.

[0006] As a further improvement to the above technical solution, the heat sink and the plurality of heat sink fins are integrally formed by a die-casting process.

[0007] As a further improvement to the above technical solution, a single-through nut post is provided on both the upper and lower sides of the heat sink, and a through hole is provided on both the upper cover and the housing. One end of the single-through nut post is located in the through hole, and the single-through nut post is threaded with a screw for connecting with the upper cover or the housing.

[0008] As a further improvement to the above technical solution, the intelligent sodium battery protection board is provided with two first pads, which are respectively connected to the positive and negative electrodes of the intelligent sodium battery protection board. The sodium-ion battery module is provided with two second pads, which are respectively connected to the positive and negative electrodes of the sodium-ion battery module. The two first pads are detachably connected to the two second pads.

[0009] As a further improvement to the above technical solution, both the first gasket and the second gasket are provided with connecting holes, and screws for connecting the first gasket and the second gasket are provided in the connecting holes.

[0010] As a further improvement to the above technical solution, the side of the housing is provided with a detachable connecting strip and a connecting piece. The connecting strip is vertically arranged and its upper end is detachably connected to the upper cover. The connecting piece and the connecting strip are respectively equipped with horizontal and vertical handles.

[0011] As a further improvement to the above technical solution, the connecting strip includes a first arm and a second arm connected in an L-shape. The first arm is detachably connected to the housing and the top cover, and the second arm is provided with the handle.

[0012] As a further improvement to the above technical solution, the top cover is connected to the heat sink and the housing by screws.

[0013] On the other hand, a sodium-ion battery energy storage device is provided, including a sodium-ion battery module and the aforementioned sodium-ion battery energy storage box. The sodium-ion battery module includes a plurality of battery cells, with adjacent battery cells spaced apart.

[0014] The beneficial effects of this invention are as follows: During production and assembly, the sodium-ion battery module is first installed inside the housing, and then the top cover is placed over the opening at the top of the housing, placing the sodium-ion battery module in a closed environment. When the product requiring charging is connected to the output terminal, the intelligent sodium battery protection board monitors, protects, and manages the operating status of the sodium-ion battery module, ensuring its safety and service life. Furthermore, the heat generated during charging can be quickly conducted to the heat sink, which can exchange heat with the outside air, thereby preventing heat buildup inside the device. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the structure of the sodium-ion battery energy storage device provided in a preferred embodiment of the present invention;

[0017] Figure 2 This is an exploded view of the sodium-ion battery energy storage device provided in a preferred embodiment of the present invention.

[0018] Reference numerals: 1. Heat sink, 2. Intelligent sodium battery protection board, 3. Top cover, 4. Housing, 5. Sodium-ion battery module; 11. Output terminal, 12. Heat sink fin, 13. Single-pass nut post, 21. First washer, 31. Through hole, 41. Heat dissipation vent, 42. Connecting strip, 43. Connecting piece, 44. Handle, 51. Second washer;

[0019] 211. Connecting hole; 421. First arm; 422. Second arm. Detailed Implementation

[0020] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / connections involved in the patent do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. For example, fixed connections / fixed installations can use screw connections, bolt connections, pin connections, key connections, adhesive connections, mortise and tenon connections, welding, riveting, etc., as needed. For detachable connections, screw connections, bolt connections, threaded connections, snap-fit ​​connections, mortise and tenon connections, Velcro connections, etc., can be used as needed. The various technical features in this utility model can be combined interactively without contradicting each other.

[0021] Please see Figure 1-2 A preferred embodiment of this utility model provides a sodium-ion battery energy storage box, including a heat dissipation plate 1, an intelligent sodium battery protection plate 2, a top cover 3, and a shell 4 with an opening at the top. The shell 4 is used to accommodate a sodium-ion battery module 5. The top cover 3 covers the opening at the top of the shell 4, and the top cover 3 and the shell 4 form a closed space. The sodium-ion battery module 5 is located in the closed space to isolate it from the outside world.

[0022] Specifically, a heat dissipation vent 41 is provided on one side of the housing 4, and a heat dissipation plate 1 is connected to the heat dissipation vent 41. The intelligent sodium battery protection board 2 is installed on the side of the heat dissipation plate 1 facing the inside of the housing 4. An output terminal 11 is provided on the heat dissipation plate 1. The intelligent sodium battery protection board 2 is connected between the output terminal 11 and the sodium-ion battery module 5. When the product to be charged is connected to the output terminal 11, the intelligent sodium battery protection board 2 is used to monitor, protect and manage the operating status of the sodium-ion battery module 5 to ensure its safety and service life. In addition, the heat generated during the charging process can be quickly conducted to the heat dissipation plate 1, and the heat dissipation plate 1 can exchange heat with the outside air, thereby avoiding heat accumulation inside the device.

[0023] In this embodiment, a plurality of heat dissipation fins 12 are provided on the heat dissipation plate 1. The plurality of heat dissipation fins 12 are all installed on the side of the heat dissipation plate 1 away from the inside of the housing 4. The arrangement of the heat dissipation fins 12 can increase the contact area between the heat dissipation plate 1 and the external air, improve the efficiency of heat exchange with the external air, and thus improve the heat dissipation efficiency of the entire device.

[0024] Furthermore, the heat sink 1 and several heat sink fins 12 are integrally formed by die casting, eliminating the need for additional splicing and achieving an integrated heat dissipation design. This optimizes the heat flow path and provides strong overall structural integrity, resulting in excellent vibration and impact resistance.

[0025] The heat sink 1 has single-through nut posts 13 on both the upper and lower sides. The upper cover 3 and the housing 4 are both provided with through holes 31. One end of the single-through nut post 13 is located in the through hole 31, and the single-through nut post 13 is threaded with a screw for connecting with the upper cover 3 or the housing 4. One end of the bare rod of the single-through nut post 13 is pre-fixed on the heat sink 1. During production and assembly, the threaded end of the single-through nut post 13 is inserted into the through hole 31, and the screw is tightened on the threaded end of the single-through nut post 13, thereby fixing the upper cover 3 and the housing 4 on the heat sink 1.

[0026] The intelligent sodium battery protection board 2 is provided with two first gaskets 21, which are respectively connected to the positive and negative terminals of the intelligent sodium battery protection board 2. The sodium-ion battery module 5 is provided with two second gaskets 51, which are respectively connected to the positive and negative terminals of the sodium-ion battery module 5. The two first gaskets 21 are detachably connected to the two second gaskets 51. The combination of the two facilitates the connection between the intelligent sodium battery protection board 2 and the sodium-ion battery module 5, and facilitates the transmission of electrical energy between the two.

[0027] In this embodiment, both the first gasket 21 and the second gasket 51 are provided with connecting holes 211. Screws for connecting the first gasket 21 and the second gasket 51 are provided in the connecting holes 211. By loosening or tightening the screws, the first gasket 21 and the second gasket 51 can be detachably connected, thereby facilitating the assembly and disassembly of the intelligent sodium battery protection board 2 and the sodium-ion battery module 5.

[0028] The side of the housing 4 is provided with a detachable connecting strip 42 and a connecting piece 43. The connecting strip 42 is vertically arranged and its upper end is detachably connected to the upper cover 3. Specifically, the connecting strip 42 is connected to the housing 4 and the upper cover 3 by screws. The connecting strip 42 can further fix the housing 4 and the upper cover 3, making the connection between the upper cover 3 and the housing 4 more secure. In addition, the connecting piece 43 and the connecting strip 42 are respectively equipped with horizontal and vertical handles 44, which makes it convenient for users to move the energy storage box in both horizontal and vertical directions to adapt to different usage scenarios, reduce wrist or arm twisting, and reduce fatigue during the handling process.

[0029] The connecting strip 42 includes a first arm 421 and a second arm 422 connected in an L-shape. The first arm 421 is detachably connected to the housing 4 and the top cover 3. The second arm 422 is provided with a handle 44. The second arm 422 is provided to facilitate the installation of the handle 44 on the connecting strip 42, which is convenient for production and assembly.

[0030] In this embodiment, the top cover 3 is connected to the heat sink 1 and the housing 4 by screws. The screw connection method facilitates disassembly and assembly. When the sodium-ion battery module 5 malfunctions, the top cover 3 can be easily removed from the housing 4, exposing the sodium-ion battery module 5 for subsequent maintenance.

[0031] A preferred embodiment of this utility model also provides a sodium-ion battery energy storage device, including a sodium-ion battery module 5 and a sodium-ion battery energy storage box as described in the above embodiment. The sodium-ion battery module 5 includes a plurality of battery cells with gaps between adjacent cells. The gaps between the cells allow airflow, which can effectively remove the heat generated during the operation of the cells, avoid local overheating, and reduce thermal coupling between the cells, prevent heat accumulation, and extend battery life. Furthermore, the heat generated by the sodium-ion battery module 5 can be quickly conducted to the heat sink 1, and the heat sink 1 can exchange heat with the external air, further preventing heat accumulation inside the device.

[0032] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the described embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A sodium-ion battery energy storage tank, characterized in that: The device includes a heat sink, a smart sodium-ion battery protection board, a top cover, and a housing with an opening at the top. The housing is used to house a sodium-ion battery module. The top cover covers the opening at the top of the housing. A heat dissipation vent is provided on one side of the housing. The heat sink is connected to the heat dissipation vent. The smart sodium-ion battery protection board is installed on the side of the heat sink facing the inside of the housing. An output terminal is provided on the heat sink. The smart sodium-ion battery protection board is connected between the output terminal and the sodium-ion battery module.

2. The sodium-ion battery energy storage tank of claim 1, wherein: The heat sink is provided with a number of heat dissipation fins, and the heat dissipation fins are all installed on the side of the heat sink away from the inside of the housing.

3. The sodium-ion battery energy storage tank of claim 2, wherein: The heat sink and the plurality of heat sink fins are integrally formed by a die-casting process.

4. The sodium-ion battery energy storage tank of claim 1, wherein: The heat sink is provided with a single-through nut post on both the upper and lower sides. The upper cover and the housing are provided with through holes. One end of the single-through nut post is located in the through hole, and the single-through nut post is threaded with a screw for connecting with the upper cover or the housing.

5. The sodium-ion battery energy storage tank of claim 1, wherein: The intelligent sodium battery protection board is provided with two first pads, which are respectively connected to the positive and negative terminals of the intelligent sodium battery protection board. The sodium-ion battery module is provided with two second pads, which are respectively connected to the positive and negative terminals of the sodium-ion battery module. The two first pads are detachably connected to the two second pads.

6. The sodium-ion battery energy storage box of claim 5, wherein: Both the first washer and the second washer are provided with connecting holes, and screws for connecting the first washer and the second washer are provided in the connecting holes.

7. The sodium-ion battery energy storage box of claim 1, wherein: The side of the housing is provided with a detachable connecting strip and a connecting piece. The connecting strip is vertically arranged and its upper end is detachably connected to the upper cover. The connecting piece and the connecting strip are respectively equipped with horizontal and vertical handles.

8. The sodium-ion battery energy storage tank of claim 7, wherein: The connecting strip includes a first arm and a second arm connected in an L-shape. The first arm is detachably connected to the housing and the top cover, and the second arm is provided with the handle.

9. The sodium-ion battery energy storage box of claim 1, wherein: The top cover is connected to the heat sink and the housing by screws.

10. A sodium-ion battery energy storage device, characterized by: The invention includes a sodium-ion battery module and a sodium-ion battery energy storage box as described in any one of claims 1-9, wherein the sodium-ion battery module includes a plurality of battery cells, and adjacent battery cells are spaced apart.

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