Battery heat management device of energy storage cabinet

Abstract

The utility model discloses a battery thermal management device of an energy storage cabinet, which comprises a cabinet body, battery mounting cavities arranged at equal intervals are arranged in the cabinet body, pushing mechanisms are mounted on two sides in each battery mounting cavity, a battery pack is clamped between the two pushing mechanisms, and a heat dissipation piece is mounted at the top of the cabinet body. The two pushing mechanisms are started to drive the battery pack to move inwards to the butt joint position, and when the device operates, the heat dissipation piece is started to exhaust air in each battery mounting cavity, so that negative pressure is formed in each battery mounting cavity; and then external cold air is independently pumped into each battery mounting cavity through the air inlet assembly to dissipate and cool the battery pack, and air flow is independently injected into each battery mounting cavity from bottom to top, and then is independently pumped, gathered and discharged, so that each battery can be independently dissipated during heat dissipation of the device, and the heat dissipation efficiency of the battery pack is improved. The mutual heat interference is reduced, and the heat dissipation efficiency is better.

Description

Technical Field

[0001] The utility model relates to the field of energy storage cabinets, and more specifically, to a battery thermal management device for an energy storage cabinet. Background Art

[0002] Energy storage will play an indispensable role in the future power system due to the need for large-scale access of new energy to the grid, peak load shaving, voltage and frequency regulation, and development of microgrids. Existing energy storage cabinets are prone to heat accumulation after long-term use, affecting the normal operation of various components and prone to automatic power-off protection after high temperature saturation, so they are all equipped with heat dissipation devices.

[0003] However, the heat dissipation devices generally used in the prior art are all for uniformly dissipating heat inside the energy storage cabinet. The airflow passing through each battery module is not only uneven, but also easily affected by heat from each other, resulting in poor heat dissipation efficiency. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a battery thermal management device for an energy storage cabinet.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A battery thermal management device for an energy storage cabinet comprises a cabinet body, wherein battery installation cavities arranged at equal distances are arranged inside the cabinet body, pushing mechanisms are installed on both sides of the battery installation cavity, a battery pack is clamped between the two pushing mechanisms, a heat sink is installed on the top of the cabinet body, the heat sink is communicated with the battery installation cavities inside the cabinet body, an air intake assembly is installed on the bottom of the cabinet body, the air intake assembly is communicated with the battery installation cavities inside the cabinet body, the air intake assembly is communicated and cooperated with the inside of the pushing mechanism on the left side, and the heat sink is communicated and cooperated with the pushing mechanism on the right side.

[0007] As a further description of the above technical solution: the pushing mechanism includes a driving motor, a rotating roller and a belt, the top of the driving motor is fixedly connected to the inner wall of the battery installation cavity, the top of the rotating roller is fixedly connected to the inner wall of the battery installation cavity, the output end of the driving motor is fixedly connected to a rotating block through a coupling, and the inner side of the belt is connected to the rotating roller and the belt transmission.

[0008] As a further description of the above technical solution: the belt is provided with evenly distributed ventilation holes, and the outer side of the belt is in contact with the battery pack.

[0009] As a further description of the above technical solution: the heat dissipation component includes a heat dissipation fan and two vertical pipes, the heat dissipation fan is fixedly connected to the top of the cabinet, the heat dissipation fan is communicated and cooperated with the top of the vertical pipe, the bottom end of the vertical pipe is plugged into the interior of the cabinet, and the bottom end of the vertical pipe is sequentially plugged into the interior of each battery installation cavity, the outer side of the vertical pipe is provided with evenly distributed through holes, and the vertical pipe is located on the inner side of the belt on the right side.

[0010] As a further description of the above technical solution: the air intake assembly includes an air intake box and two air intake pipes, the air intake box is fixedly installed to the bottom left position of the cabinet, the bottom ends of the two air intake pipes are plugged into the interior of the air intake box, the top ends of the air intake pipes are plugged into the interior of the cabinet, the top ends of the air intake pipes penetrate the interior of each battery installation cavity in turn upward, and the outer side of the air intake pipe is provided with evenly distributed air intake holes.

[0011] As a further description of the above technical solution: the bottom of the inner side of the battery installation cavity is rotatably connected to rollers arranged at equal distances, and the battery pack is located on the rollers.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] This solution is achieved by combining a heat sink with an air intake assembly and a pushing mechanism, which not only achieves the advantages of independent heat dissipation of each battery when the device has the function of heat dissipation, reducing heat interference between each other and improving heat dissipation efficiency, but also achieves the advantage of convenient battery loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0018] Description of the numbers in the figure:

[0019] 1. Cabinet; 2. Battery installation cavity; 21. Roller; 3. Pushing mechanism; 31. Driving motor; 32. Rotating roller; 33. Belt; 331. Ventilation hole; 34. Rotating block; 4. Battery pack; 5. Heat sink; 51. Cooling fan; 52. Vertical pipe; 53. Through hole; 6. Air intake assembly; 61. Air intake box; 62. Air intake pipe; 63. Air intake hole. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0021] See also Figures 1 to 4 In the utility model, a battery thermal management device for an energy storage cabinet includes a cabinet 1, wherein the cabinet 1 is provided with battery installation cavities 2 arranged at equal distances, and pushing mechanisms 3 are installed on both sides of the battery installation cavity 2, and a battery pack 4 is sandwiched between the two pushing mechanisms 3. A heat sink 5 is installed on the top of the cabinet 1, and the heat sink 5 is respectively connected with the battery installation cavity 2 inside the cabinet 1, and an air intake assembly 6 is installed on the bottom of the cabinet 1, and the air intake assembly 6 is respectively connected with the battery installation cavity 2 inside the cabinet 1, and the air intake assembly 6 is respectively connected with the inside of the pushing mechanism 3 on the left side, and the heat sink 5 is respectively connected with the pushing mechanism 3 on the right side.

[0022] In the utility model, the cabinet 1 is used as the main body of the device, and the battery pack 4 is inserted into the battery installation cavity 2, and then the two pushing mechanisms 3 are started to drive the battery pack 4 to move inward to the docking position. When the device is running, the heat sink 5 is started to evacuate the interior of each battery installation cavity 2 to form a negative pressure inside it, and then the external cold air is independently drawn into the interior of each battery installation cavity 2 through the air intake component 6 to dissipate heat and cool the battery pack 4. Since the airflow is independently injected into the interior of each battery installation cavity 2 from the bottom to the top, and then independently extracted and discharged, the device can achieve independent heat dissipation of each battery when dissipating heat, reduce heat interference between each other, and have better heat dissipation efficiency. This solves the problem that the heat dissipation devices generally equipped in the prior art solutions all uniformly dissipate heat for the interior of the energy storage cabinet, and the airflow passes through each battery module, which is not only uneven, but also easily affected by heat from each other, resulting in poor heat dissipation efficiency.

[0023] See also Figure 4 , wherein: the pushing mechanism 3 includes a driving motor 31, a rotating roller 32 and a belt 33, the top of the driving motor 31 is fixedly connected to the inner wall of the battery installation cavity 2, the top of the rotating roller 32 is fixedly connected to the inner wall of the battery installation cavity 2, the output end of the driving motor 31 is fixedly connected to a rotating block 34 through a coupling, and the inner side of the belt 33 is transmission-connected to the rotating roller 32 and the belt 33.

[0024] In the utility model, the driving motor 31 is started to drive the rotating block 34 to rotate, and the belt 33 and the rotating roller 32 are driven to rotate, so as to realize automatic loading and unloading of the battery pack 4, and the operation convenience is better.

[0025] See also Figure 2 , Figure 3 and Figure 4, wherein: the belt 33 is provided with evenly distributed ventilation holes 331 , and the outer side of the belt 33 is in contact with the battery pack 4 .

[0026] In the present invention, the airflow is allowed to flow smoothly inside the battery installation cavity 2 through the ventilation holes 331 to achieve heat dissipation.

[0027] See also Figure 1 , Figure 2 and Figure 3 , wherein: the heat sink 5 includes a heat dissipation fan 51 and two vertical pipes 52, the heat dissipation fan 51 is fixedly connected to the top of the cabinet 1, the heat dissipation fan 51 is communicated and matched with the top of the vertical pipe 52, the bottom end of the vertical pipe 52 is plugged into the inside of the cabinet 1, and the bottom end of the vertical pipe 52 is sequentially plugged into the inside of each battery installation cavity 2, and the outer side of the vertical pipe 52 is provided with evenly distributed through holes 53, and the vertical pipe 52 is located on the inner side of the belt 33 on the right side.

[0028] In the present invention, the heat dissipation fan 51 is started to independently and synchronously exhaust air from the interior of each battery installation cavity 2 through the through hole 53 on the vertical pipe 52, so that the problem of chaotic airflow and mutual influence will not occur.

[0029] See also Figure 1 , Figure 3 and Figure 4 , wherein: the air intake assembly 6 includes an air intake box 61 and two air intake pipes 62, the air intake box 61 is fixedly installed to the bottom left position of the cabinet 1, the bottom ends of the two air intake pipes 62 are plugged into the interior of the air intake box 61, the top ends of the air intake pipes 62 are plugged into the interior of the cabinet 1, the top ends of the air intake pipes 62 upwardly penetrate the interior of each battery installation cavity 2 in turn, and the outer side of the air intake pipes 62 is provided with evenly distributed air intake holes 63.

[0030] In the utility model, the external air is synchronously guided to the inside of each battery installation cavity 2 through the air intake box 61 and the air intake pipe 62, thereby reducing air flow interference.

[0031] See also Figure 1 and Figure 4 , wherein: the bottom of the inner side of the battery installation cavity 2 is rotatably connected with rollers 21 arranged at equal distances, and the battery pack 4 is located on the rollers 21.

[0032] In the utility model, the roller 21 makes the battery pack 4 easier to load and unload.

[0033] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A battery thermal management device for an energy storage cabinet, comprising a cabinet body (1), characterized in that: The cabinet (1) is provided with battery installation cavities (2) arranged at equal distances. Pushing mechanisms (3) are installed on both sides of the battery installation cavity (2). A battery pack (4) is sandwiched between the two pushing mechanisms (3). A heat sink (5) is installed on the top of the cabinet (1). The heat sink (5) is connected to the battery installation cavity (2) inside the cabinet (1). An air intake assembly (6) is installed on the bottom of the cabinet (1). The air intake assembly (6) is connected to the battery installation cavity (2) inside the cabinet (1). The air intake assembly (6) is connected to the inside of the pushing mechanism (3) on the left side. The heat sink (5) is connected to the pushing mechanism (3) on the right side.

2. The battery thermal management device of an energy storage cabinet according to claim 1, characterized in that: The pushing mechanism (3) comprises a driving motor (31), a rotating roller (32) and a belt (33); the top of the driving motor (31) is fixedly connected to the inner wall of the battery installation cavity (2); the top of the rotating roller (32) is fixedly connected to the inner wall of the battery installation cavity (2); the output end of the driving motor (31) is fixedly connected to a rotating block (34) via a coupling; the inner side of the belt (33) is drivingly connected to the rotating roller (32) and the belt (33).

3. The battery thermal management device of an energy storage cabinet according to claim 2, characterized in that: The belt (33) is provided with evenly distributed ventilation holes (331), and the outer side of the belt (33) is in contact with the battery pack (4).

4. The battery thermal management device of an energy storage cabinet according to claim 3, characterized in that: The heat dissipation element (5) comprises a heat dissipation fan (51) and two vertical pipes (52); the heat dissipation fan (51) is fixedly connected to the top of the cabinet (1); the heat dissipation fan (51) is communicated and matched with the top of the vertical pipe (52); the bottom end of the vertical pipe (52) is plugged into the interior of the cabinet (1); the bottom end of the vertical pipe (52) is sequentially plugged into the interior of each battery installation cavity (2); the outer side of the vertical pipe (52) is provided with evenly distributed through holes (53); the vertical pipe (52) is located on the inner side of the belt (33) on the right side.

5. The battery thermal management device of an energy storage cabinet according to claim 1, characterized in that: The air intake assembly (6) comprises an air intake box (61) and two air intake pipes (62); the air intake box (61) is fixedly mounted to the left side of the bottom of the cabinet (1); the bottom ends of the two air intake pipes (62) are plugged into the interior of the air intake box (61); the top ends of the air intake pipes (62) are plugged into the interior of the cabinet (1); the top ends of the air intake pipes (62) penetrate upward through the interior of each battery installation cavity (2) in sequence; and the outer side of the air intake pipes (62) is provided with evenly distributed air intake holes (63).

6. The battery thermal management device of an energy storage cabinet according to claim 1, characterized in that: The bottom of the inner side of the battery installation cavity (2) is rotatably connected to rollers (21) arranged at equal distances, and the battery pack (4) is located on the rollers (21).

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