Heat dissipation device of energy storage battery cabinet

Abstract

The utility model relates to the technical field of heat dissipation of battery cabinets, in particular to a heat dissipation device of an energy storage battery cabinet, which comprises a cabinet body and a plurality of transverse plates, a liquid cooling plate is mounted at the top end of each transverse plate, each liquid cooling plate is detachable and is provided with an energy storage battery pack, heat dissipation fans are mounted on two side walls of the cabinet body at positions matched with the transverse plates, and the heat dissipation fans are connected with the cabinet body. A liquid cooling circulation assembly is installed at the bottom end in the cabinet body, a main liquid conveying pipe is installed at one end of the liquid cooling circulation assembly, and a main backflow pipe is installed at the other end of the liquid cooling circulation assembly. When the temperature reaches a certain threshold value, the heat dissipation mode of the heat dissipation fan to the energy storage battery pack is kept unchanged, at the moment, the liquid cooling circulation assembly works, liquid cooling circulation liquid is transmitted into each liquid cooling plate through the main liquid conveying pipe, the main backflow pipe and the liquid distribution pipe, and therefore the liquid cooling plates conduct liquid cooling heat dissipation on the energy storage battery pack at the bottom end of the energy storage battery pack; in other words, the air cooling heat dissipation of the heat dissipation fan is combined with the liquid cooling heat dissipation of the liquid cooling circulation assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of battery cabinets, in particular to a heat dissipation device for an energy storage battery cabinet. Background Art

[0002] With the rapid development of renewable energy, energy storage battery cabinets, as key energy storage devices, are increasingly being used in power systems. Thermal management of battery cabinets is crucial to ensuring battery performance and extending their service life. However, existing technologies have limitations in heat dissipation. Currently, most energy storage battery cabinets on the market use passive air cooling or simple liquid cooling systems, which often fail to meet the heat dissipation requirements in high-power density applications. During peak usage, existing energy storage battery cabinets generate a large amount of heat. If heat is not dissipated in a timely manner, this heat will accumulate, causing the temperature inside the battery to continue to rise, which in turn affects the battery's service life and may even lead to a series of dangerous problems such as battery fires and explosions.

[0003] Therefore, it is necessary to invent a heat dissipation device for an energy storage battery cabinet to solve the above problems. Utility Model Content

[0004] In order to address the deficiencies of the prior art, the purpose of the present utility model is to provide a heat dissipation device for an energy storage battery cabinet, which solves the problem in the prior art that during peak use of the energy storage battery cabinet, the batteries generate a large amount of heat. If the heat is not dissipated in time, the heat will accumulate and the temperature inside the battery will continue to rise, thereby affecting the battery life and even causing a series of dangerous problems such as battery fire and explosion.

[0005] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0006] A heat dissipation device for an energy storage battery cabinet comprises a cabinet body and a plurality of transverse plates inserted into the cabinet body at equal intervals, a liquid cooling plate being installed on the top of each transverse plate, and an energy storage battery pack being removably placed on each of the liquid cooling plate, cooling fans being installed at positions on both side walls of the cabinet body adapted to each transverse plate, and the cooling wind direction of one of the cooling fans at the same height is directed toward the energy storage battery pack, and the cooling wind direction of the other cooling fan is directed toward the cabinet body, a liquid cooling circulation assembly being installed at the bottom end of the interior of the cabinet body, a main liquid infusion pipe being installed at one end of the liquid cooling circulation assembly, and a main return pipe being installed at the other end of the liquid cooling circulation assembly, a liquid distribution pipe which can be connected to the liquid inlet in the liquid cooling plate being installed at the position of each liquid cooling plate adapted to the main return pipe being also installed at the position of each liquid cooling plate adapted to the main return pipe being connected to the liquid outlet in the liquid cooling plate.

[0007] As a preferred solution of the present invention, the liquid cooling circulation component also includes a liquid cooling tank detachably arranged at the bottom end of the cabinet and a liquid outlet pipe installed at one end of the liquid cooling tank, the other end of the liquid outlet pipe is connected to the main infusion pipe through the pump body, and the other end of the liquid cooling tank is detachably connected to the end of the main return pipe through a recovery pipe.

[0008] As a preferred solution of the present invention, the other ends of the multiple liquid distribution tubes arranged around the main infusion tube are provided with liquid inlet ends, and the other ends of the multiple liquid distribution tubes arranged around the main reflux tube are provided with liquid outlet ends.

[0009] As a preferred solution of the present invention, a temperature sensor is installed at a position on a side wall inside the cabinet adapted to each energy storage battery pack.

[0010] As a preferred solution of the present invention, a liquid cooling pipe is installed in the liquid cooling plate, and the liquid outlet and the liquid inlet are respectively installed at both ends of the liquid cooling pipe.

[0011] As a preferred solution of the present invention, the cooling fan includes a dustproof mesh cover, a bracket clamped in the dustproof mesh cover, and multiple fixing screws arranged on the outer peripheral side wall of the dustproof mesh cover. The dustproof mesh cover is detachably connected to the side wall of the cabinet through multiple fixing screws.

[0012] As a preferred solution of the present invention, a cabinet door is installed on one side wall of the cabinet body, and a control panel and a heat dissipation grille are installed on the cabinet door. An insulation door is installed on the side wall of the cabinet body away from the cabinet door, and the control panel is electrically connected to the temperature sensor, the heat dissipation fan and the pump body respectively.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] When the temperature reaches a certain level, the cooling fan on one side of the cabinet blows the cooling fluid inwards, thereby removing the heat from the cabinet to the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 Internal schematic diagram of

[0017] Figure 3 for Figure 1 Schematic diagram of the rear view;

[0018] Figure 4 for Figure 2 A partial schematic diagram of

[0019] Figure 5 This is a schematic structural diagram of the heat dissipation fan of the present invention;

[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the liquid cooling plate of the present invention.

[0021] Description of reference numerals:

[0022] 1. Cabinet; 2. Horizontal plate; 3. Liquid cooling plate; 31. Liquid cooling pipe; 32. Liquid outlet; 33. Liquid inlet; 4. Cabinet door; 41. Control panel; 42. Heat dissipation grille; 5. Battery pack; 6. Cooling fan; 61. Dustproof mesh cover; 62. Fixing screws; 63. Bracket; 7. Insulated door; 8. Liquid cooling tank; 81. Feed inlet; 82. Recovery pipe; 83. Liquid outlet pipe; 9. Temperature sensor; 10. Main liquid infusion pipe; 101. Liquid inlet; 102. Liquid distribution pipe; 103. Pump body; 104. Main return pipe; 105. Liquid outlet. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.

[0024] The utility model provides Figures 1-6The heat dissipation device of the energy storage battery cabinet shown in the figure includes a cabinet body 1 and a plurality of horizontal plates 2 that are equally spaced and plugged into the cabinet body 1. A liquid cooling plate 3 is installed on the top of each horizontal plate 2. Each liquid cooling plate 3 is removable and has an energy storage battery pack 5 placed thereon. Cooling fans 6 are installed at the positions where the two side walls of the cabinet body 1 are adapted to fit each horizontal plate 2. The cooling wind direction of one of the cooling fans 6 at the same height is directed toward the energy storage battery pack 5, and the cooling wind direction of the other cooling fan 6 is directed toward the cabinet body 1. A liquid cooling circulation component is installed at the bottom end of the interior of the cabinet body 1. A main infusion pipe 10 is installed at one end of the liquid cooling circulation component, and a main infusion pipe 10 is installed at the other end of the liquid cooling circulation component. A main reflux pipe 104 is installed at the end, and the main infusion pipe 10 is adapted to each liquid cooling plate 3. A distribution pipe 102 that can be connected to the liquid inlet 33 in the liquid cooling plate 3 is installed. The main reflux pipe 104 is adapted to each liquid cooling plate 3. A distribution pipe 102 that can be connected to the liquid outlet 32 ​​in the liquid cooling plate 3 is also installed at the position. The control panel 41 is electrically connected to the temperature sensor 9, the cooling fan 6 and the pump body 103 respectively, and belongs to the central control system of intelligent heat dissipation. The liquid cooling tank 8 installed at the bottom end of the cabinet 1 is used to store coolant. There is a feed port 81 on the top of the liquid cooling tank 8 to facilitate timely replacement of the coolant.

[0025] The liquid cooling circulation component also includes a liquid cooling tank 8 that is detachably arranged at the bottom end of the cabinet 1 and a liquid outlet pipe 83 installed at one end of the liquid cooling tank 8. The other end of the liquid outlet pipe 83 is connected to the main liquid infusion pipe 10 through a pump body 103, and the other end of the liquid cooling tank 8 is detachably connected to the end of the main return pipe 104 through a recovery pipe 82. The pump body 103 can transfer the coolant in the liquid cooling tank 8 to the main liquid infusion pipe 10 and the main return pipe 104, and then transfer it to the liquid cooling pipe 31 in the liquid cooling plate 3 through the shunt pipe 102.

[0026] The other end of the multiple liquid distribution tubes 102 arranged on the side of the main infusion pipe 10 is provided with a liquid inlet end 101, and the other end of the multiple liquid distribution tubes 102 arranged on the side of the main return pipe 104 is provided with a liquid outlet end 105. A liquid cooling pipe 31 is installed in the liquid cooling plate 3, and the liquid outlet 32 ​​and the liquid inlet 33 are respectively installed at both ends of the liquid cooling pipe 31.

[0027] A temperature sensor 9 is installed at the position of each energy storage battery pack 5 on one side wall inside the cabinet 1. The temperature sensor 9 is used to monitor the operating temperature of the energy storage battery pack 5 above each horizontal plate 2 in real time.

[0028] The cooling fan 6 includes a dustproof mesh cover 61, a bracket 63 clamped in the dustproof mesh cover 61, and a plurality of fixing screws 62 provided on the outer peripheral side wall of the dustproof mesh cover 61. The dustproof mesh cover 61 is detachably connected to the side wall of the cabinet 1 through the plurality of fixing screws 62.

[0029] A cabinet door 4 is installed on one side wall of the cabinet body 1. The cabinet door 4 is installed with a control panel 41 and a heat dissipation grille 42. An insulating door 7 is installed on the side wall of the cabinet body 1 away from the cabinet door 4. The control panel 41 is electrically connected to the temperature sensor 9, the heat dissipation fan 6 and the pump body 103 respectively. The control panel 41 works as follows: it is electrically connected to the temperature sensor 9, the heat dissipation fan 6 and the pump body 103 respectively, and is used to receive and process temperature data transmitted by temperature sensors 9 at multiple key points inside the battery cabinet in real time. These temperature sensors 9 monitor the temperature of the energy storage battery pack 5 with high precision, ensuring that the control panel 41 can accurately grasp the thermal status of the energy storage battery pack 5. The control panel 41 automatically adjusts the working status of the cooling fan 6 and the pump body 103 according to the preset temperature threshold and the working mode of the energy storage battery pack 5. The liquid cooling plate 3 is in contact with the energy storage battery pack 5 through thermal conductive glue to ensure effective heat transfer. The temperature sensor 9 is electrically connected to the control panel 41 and adjusts the speed according to the monitored temperature data to achieve dynamic heat dissipation. When the energy storage battery pack 5 is working normally, only the cooling fan 6 works when the temperature is normal. When the temperature rises to a certain threshold, the cooling fan 6 and the liquid cooling system work at the same time. After the temperature drops to normal, the liquid cooling system stops working, and only the cooling fan 6 continues to run to maintain the battery temperature.

[0030] In the present invention, when the energy storage battery pack 5 is working normally, only the cooling fan 6 is working when the temperature is normal, and the cooling fan 6 on one side at the same height blows inward to the surface of the energy storage battery pack 5, and the cooling fan 6 on the other side blows outward to the cabinet 1, thereby forming a heat dissipation path at each horizontal plate 2 in the cabinet 1, thereby taking heat out of the cabinet 1 to the maximum extent; when the temperature reaches a certain threshold, the cooling fan 6 keeps the heat dissipation mode of the energy storage battery pack 5 unchanged, and the liquid cooling circulation component works, and the liquid cooling circulation fluid is passed through the main infusion pipe 10, the main return pipe 104 and The liquid distribution pipe 102 is transmitted to each liquid cooling plate 3, so that the liquid cooling plate 3 performs liquid cooling and heat dissipation on the bottom end of the energy storage battery pack 5, that is, the air cooling and heat dissipation of the cooling fan 6 is combined with the liquid cooling and heat dissipation of the liquid cooling circulation component. After the temperature drops to normal, the liquid cooling and heat dissipation of the liquid cooling circulation component stops working, and only the cooling fan 6 continues to run to maintain the normal temperature of the energy storage battery pack 5. Finally, through the coordinated work of air cooling and liquid cooling, the heat dissipation efficiency is improved, the energy consumption is optimized, and the stability and safety of the energy storage battery pack 5 in different working conditions are ensured.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A heat dissipation device for an energy storage battery cabinet, characterized in that: The invention comprises a cabinet (1) and a plurality of horizontal plates (2) which are inserted into the cabinet (1) at equal intervals, wherein a liquid cooling plate (3) is installed on the top of each horizontal plate (2), and each liquid cooling plate (3) is detachable and has an energy storage battery pack (5) placed thereon, and cooling fans (6) are installed at positions where each horizontal plate (2) is adapted to be mounted on both side walls of the cabinet (1), and the cooling wind direction of one of the cooling fans (6) at the same height is directed toward the energy storage battery pack (5), and the cooling wind direction of the other cooling fan (6) is directed toward the cabinet (1), and the cabinet (1) A liquid cooling circulation component is installed at the bottom end of the interior, a main liquid infusion pipe (10) is installed at one end of the liquid cooling circulation component, and a main return pipe (104) is installed at the other end of the liquid cooling circulation component. The main liquid infusion pipe (10) is adapted to each position of the liquid cooling plate (3) and is equipped with a liquid distribution pipe (102) that can be connected to the liquid inlet (33) in the liquid cooling plate (3). The main return pipe (104) is adapted to each position of the liquid cooling plate (3) and is also equipped with a liquid distribution pipe (102) that can be connected to the liquid outlet (32) in the liquid cooling plate (3).

2. The heat dissipation device for an energy storage battery cabinet according to claim 1, characterized in that: The liquid cooling circulation assembly further comprises a liquid cooling tank (8) detachably arranged at the bottom end of the interior of the cabinet (1) and a liquid outlet pipe (83) installed at one end of the liquid cooling tank (8), the other end of the liquid outlet pipe (83) being connected to the main liquid delivery pipe (10) via the pump body (103), and the other end of the liquid cooling tank (8) being detachably connected to the end of the main return pipe (104) via the recovery pipe (82).

3. The heat dissipation device for an energy storage battery cabinet according to claim 1, characterized in that: The other ends of the plurality of liquid distribution tubes (102) arranged around the main liquid infusion tube (10) are provided with liquid inlet ends (101), and the other ends of the plurality of liquid distribution tubes (102) arranged around the main return tube (104) are provided with liquid outlet ends (105).

4. The heat dissipation device for an energy storage battery cabinet according to claim 2, characterized in that: A temperature sensor (9) is installed at a position on a side wall inside the cabinet (1) adapted for each energy storage battery pack (5).

5. The heat dissipation device for an energy storage battery cabinet according to claim 1, characterized in that: A liquid cooling pipe (31) is installed in the liquid cooling plate (3), and the liquid outlet (32) and the liquid inlet (33) are respectively installed at both ends of the liquid cooling pipe (31).

6. The heat dissipation device for an energy storage battery cabinet according to claim 1, characterized in that: The cooling fan (6) comprises a dustproof mesh cover (61), a bracket (63) clamped in the dustproof mesh cover (61), and a plurality of fixing screws (62) provided on the outer peripheral side wall of the dustproof mesh cover (61); the dustproof mesh cover (61) is detachably connected to the side wall of the cabinet (1) via the plurality of fixing screws (62).

7. The heat dissipation device for an energy storage battery cabinet according to claim 4, characterized in that: A cabinet door (4) is installed on one side wall of the cabinet body (1), and a control panel (41) and a heat dissipation grille (42) are installed on the cabinet door (4). An insulation door (7) is installed on a side wall of the cabinet body (1) away from the cabinet door (4), and the control panel (41) is electrically connected to the temperature sensor (9), the heat dissipation fan (6), and the pump body (103), respectively.

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