CN-122000531-A - Liquid immersion cooling module and control method thereof

CN122000531ACN 122000531 ACN122000531 ACN 122000531ACN-122000531-A

Abstract

The present disclosure provides a liquid immersion cooling module and a control method thereof. A liquid immersion cooling module according to an embodiment of the present disclosure may include a receiving part receiving a cooling fluid to submerge a battery cell, a supporting part dividing the receiving part into a first space receiving a first cooling fluid at one side and a second space receiving a second cooling fluid at the other side and coupled to at least one of the battery cells, and a circulator coupled to the supporting part and coupled such that the first space at one side of the supporting part communicates with the second space at the other side to be driven such that the first cooling fluid and the second cooling fluid can flow with each other. The liquid immersion cooling module and the control method thereof have the effect of being capable of maximizing the cooling efficiency corresponding to the flowing direction of the cooling fluid.

Inventors

ZHENG RENZHI
Min Qihong

Assignees

SK新技术株式会社
SK新能源株式会社

Dates

Publication Date: 20260508
Application Date: 20251021
Priority Date: 20241030

Claims (8)

1. A liquid-submerged cooling module, comprising: A housing portion housing a cooling fluid to submerge the battery cells; a support part dividing the accommodation part into a first space accommodating a first cooling fluid on one side and a second space accommodating a second cooling fluid on the other side and combined with at least one of the battery cells, and And a circulator coupled to the support part and coupled such that the first space of one side of the support part communicates with the second space of the other side to be driven such that the first cooling fluid and the second cooling fluid can flow each other.
2. The liquid immersion cooling module of claim 1 wherein the electrical cell is bonded to the support and further comprising a porous moisture absorbing member between the support and the bonding surface of the electrical cell.
3. The liquid-immersed cooling module according to claim 1, wherein the circulator comprises: A first propeller formed in a region of the first space; a second propeller formed in a region of the second space; a rotating shaft coupled to the first propeller and the second propeller, and A support plate coupling a driving device to the support portion, and formed with at least one through hole communicating the first space with the second space, wherein the rotation shaft is rotatably coupled to the driving device.
4. The liquid-immersed cooling module according to claim 1, wherein comprising: A first inflow portion located at one end of the first space of the accommodating portion, into which the first cooling fluid flows; A first outflow portion located at the other end of the first space, for the outflow of the first cooling fluid; a second inflow portion located at one end of the second space in a direction in which the first outflow portion is formed, into which the second cooling fluid flows, and And a second outflow portion which is positioned at the other end of the second space in the direction in which the first inflow portion is formed, and from which the second cooling fluid flows out.
5. A liquid immersion cooling module according to claim 3, wherein the through hole of the support plate is formed in plurality in a circular shape along a circumferential direction of the support plate.
6. A method of controlling a liquid immersion cooling module, comprising: Measuring temperatures of a first space side and a second space side of a plurality of circulators communicating the first space containing a first cooling fluid and the second space containing a second cooling fluid, respectively; Judging whether the temperature difference between the first space side and the second space side exceeds a preset threshold value; A step of driving a first circulator at a point where the temperature difference is measured when the temperature difference between the first space side and the second space side exceeds a preset threshold value so that a first cooling fluid or a second cooling fluid at a first space side or a second space side having a lower temperature flows to a second space side or a first space side having a higher temperature, and And driving the second cooling fluid or the first cooling fluid to flow from the second space side or the first space side with higher temperature to the first space side or the second space side with lower temperature along a second circulator adjacent to the second space side or the first space side with higher temperature in the direction of the second cooling fluid or the first cooling fluid flowing from the second inflow part to the second outflow part or from the first inflow part to the first outflow part.
7. The control method of a liquid immersion cooling module according to claim 6, wherein when a temperature difference between the first space side and the second space side exceeds a preset threshold value, the step of driving the first circulator at a point where the temperature difference is measured such that the first cooling fluid or the second cooling fluid of the first space side or the second space side having a lower temperature flows to the second space side or the first space side having a higher temperature further comprises: And selecting any point having the largest temperature difference when the points at which the temperature difference is measured are a plurality of points when the temperature difference between the first space side and the second space side exceeds a set threshold.
8. The control method of a liquid-immersed cooling module according to claim 6, wherein the step of judging whether the temperature difference between the first space side and the second space side exceeds a preset threshold value further comprises: And measuring the temperature of the first cooling fluid on the first space side and the temperature of the second cooling fluid on the second space side in real time at a plurality of points combined by circulators which are communicated with each other on the first space side and the second space side, and calculating the difference value.

Description

Liquid immersion cooling module and control method thereof Technical Field The present disclosure relates to a liquid immersion cooling module and a control method thereof. Background In recent years, with the miniaturization and weight saving of mobile information terminals such as mobile phones and notebook computers, and the demand for higher capacity of electric vehicles and hybrid vehicles, various batteries have been developed and used as power sources. The secondary battery has become increasingly important in efficiency according to the application fields thereof, and thus, problems caused by various external environments such as heat generation or fire during charging or operation occur. Accordingly, various technologies capable of improving the operation efficiency of the secondary battery and ensuring safety have been developed. In addition, recently, problems of increased carbon emissions and global warming occur with a rapid increase in the amount of electricity used, and thus, there is an increasing need for improvement and maximization of efficiency of more effective device operation mechanisms and cooling methods therefor. [ Prior Art literature ] [ Patent literature ] (Patent document 1) KR 10-2560884 B1. Disclosure of Invention Technical problem According to an aspect of the present disclosure, it is intended to provide a liquid immersion cooling module capable of effectively maintaining cooling performance of a cooling fluid by flowing the cooling fluid in independent spaces in which inflow and outflow directions of the cooling fluid for cooling a battery cell are different from each other. According to another aspect of the present disclosure, it is intended to provide a control method of a liquid immersion cooling module capable of maximizing cooling performance of a cooling fluid by properly controlling a flow of the cooling fluid in an independent space in which inflow and outflow directions of the cooling fluid are different from each other, and a flow direction thereof. Technical proposal A liquid immersion cooling module according to an embodiment of the present disclosure may include a receiving part receiving a cooling fluid to submerge a battery cell, a supporting part dividing the receiving part into a first space receiving a first cooling fluid at one side and a second space receiving a second cooling fluid at the other side and coupled to at least one of the battery cells, and a circulator coupled to the supporting part and coupled such that the first space at one side of the supporting part communicates with the second space at the other side to be driven such that the first cooling fluid and the second cooling fluid can flow with each other. Wherein the cell is coupled to the support portion, and a porous moisture absorption member may be further included between the support portion and the coupling surface of the cell. Further, the circulator may include a first propeller formed at a region of the first space, a second propeller formed at a region of the second space, a rotation shaft coupled to the first and second propellers, and a support plate coupling a driving device to the support part and formed with at least one through hole communicating the first space with the second space, wherein the rotation shaft is rotatably coupled to the driving device. Further, it may include a first inflow portion at one end of a first space of the accommodating portion into which the first cooling fluid flows, a first outflow portion at the other end of the first space from which the first cooling fluid flows out, a second inflow portion at one end of the second space in a direction in which the first outflow portion forms, into which the second cooling fluid flows, and a second outflow portion at the other end of the second space in the direction in which the first inflow portion forms, into which the second cooling fluid flows out. Further, the through holes of the support plate may be formed in a plurality in a circular shape along a circumferential direction of the support plate. The control method of the liquid immersion cooling module according to one embodiment of the present disclosure may include a step of measuring temperatures of a first space side and a second space side of a plurality of circulators communicating the first space containing a first cooling fluid and the second space containing a second cooling fluid, respectively, a step of judging whether a temperature difference between the first space side and the second space side exceeds a preset threshold, a step of driving the first circulator at a point where the temperature difference is measured when the temperature difference between the first space side and the second space side exceeds the preset threshold, such that the first cooling fluid or the second cooling fluid on the lower temperature first space side or the second space side flows to the second space side or the first space side having a higher temper