Immersion liquid cooling device and liquid cooling system

Patent metadata

Field	Value
Publication number	US-12376267-B2
Application number	US-202418983053-A
Country	US
Kind code	B2
Filing date	Dec 16, 2024
Priority date	Jun 17, 2022
Publication date	Jul 29, 2025
Grant date	Jul 29, 2025

Abstract

The embodiments of the disclosure provide an immersion liquid cooling device and a liquid cooling system. The liquid cooling device includes a cabinet comprising a first cavity and a second cavity integrated on a side wall of the first cavity; and a heat exchange module adapted to be inserted into the second cavity via an opening on the second cavity, and comprising a heat exchanger, a coolant driving device and a guiding assembly, the heat exchanger being configured to cool the first coolant with the second coolant, the coolant driving device being configured to drive the first coolant to circulate between the second cavity and the first cavity, and the guiding assembly comprising a liquid flow channel configured to guide the first coolant from the coolant driving device to the heat exchanger.

First claim

We claim:

1. An immersion liquid cooling device comprising:
a cabinet comprising a first cavity and a second cavity integrated on a side wall of the first cavity, the first cavity being configured to accommodate an electronic device to be cooled, and the side wall being provided with a through hole for a first coolant to circulate between the first cavity and the second cavity; and
a heat exchange module adapted to be inserted into the second cavity via an opening on the second cavity, the heat exchange module comprising a heat exchanger, a coolant driving device and a guiding assembly, the heat exchanger being configured to receive a second coolant via a liquid circulating pipeline and cool the first coolant with the second coolant, the coolant driving device being configured to drive the first coolant to circulate between the second cavity and the first cavity, and the guiding assembly comprising a liquid flow channel configured to guide the first coolant from the coolant driving device to the heat exchanger, wherein when the heat exchange module is inserted into the second cavity, the coolant driving device is closer to the opening of the second cavity than the heat exchanger, and the coolant driving device is capable of being extracted from the second cavity when the heat exchanger and the guiding assembly are kept in the second cavity.

2. The immersion liquid cooling device of claim 1 , wherein the heat exchange module further comprises a first bracket, and the heat exchanger and the guiding assembly are supported by the first bracket, and
the coolant driving device comprises a first driving assembly, the first driving assembly comprises a second bracket and a first circulating pump supported by the second bracket, the second bracket is detachably connected to the first bracket, wherein when the second bracket is connected to the first bracket, a circulating pump outlet of the first circulating pump is communicated with a liquid flow channel in the guiding assembly.

3. The immersion liquid cooling device of claim 2 , wherein the first bracket comprises a first support part and a second support part, the second bracket is detachably connected to the first support part, the heat exchanger and the guiding assembly are supported by the second support part, and when the heat exchange module is inserted into the second cavity, the first support part is located outside the second cavity.

4. The immersion liquid cooling device of claim 3 , wherein a side of the first support part facing the second cavity is provided with a sealing ring, and when the heat exchange module is inserted into the second cavity, the first support part and the second cavity are sealed through the sealing ring.

5. The immersion liquid cooling device of claim 3 , wherein a side of the first support part facing away from the second cavity is provided with a display screen for displaying an operating state of the coolant driving device.

6. The immersion liquid cooling device of claim 3 , wherein the heat exchanger and the guiding assembly are fixed to the second support part through fasteners.

7. The immersion liquid cooling device of claim 3 , wherein the second bracket comprises a third support part and a fourth support part, the third support part is detachably connected to the first support part, and the first circulating pump is supported by the fourth support part.

8. The immersion liquid cooling device of claim 7 , wherein a side of the third support part facing away from the first circulating pump is provided with a handle.

9. The immersion liquid cooling device of claim 7 , wherein the fourth support part comprises a first inclined portion inclined relative to an extraction direction of the first driving assembly, and the circulating pump outlet of the first circulating pump is disposed at the first inclined portion, and
the guiding assembly comprises a second inclined portion inclined relative to the extraction direction, wherein the second inclined portion is attached to the first inclined portion when the third support part is connected to the first support part.

10. The immersion liquid cooling device of claim 2 , wherein the first driving assembly further comprises a filter provided at a circulating pump inlet of the first circulating pump.

11. The immersion liquid cooling device of claim 2 , wherein the coolant driving device further comprises a second driving assembly, the second driving assembly comprises a third bracket and a second circulating pump supported by the third bracket, and the third bracket is detachably connected to the first bracket.

12. The immersion liquid cooling device of claim 11 , wherein the guiding assembly comprises a first guide, a second guide and a third guide, the second guide and the third guide are disposed above the first guide, a liquid flow channel in the second guide is communicated with the circulating pump outlet of the first circulating pump, a liquid flow channel in the third guide is communicated with a circulating pump outlet of the second circulating pump, and a liquid flow channel in the first guide is connected to the heat exchanger.

13. The immersion liquid cooling device of claim 1 , wherein the heat exchanger is a plate heat exchanger comprising an outer cavity and an inner cavity surrounded by the outer cavity,
the outer cavity comprises a first liquid inlet and a first liquid outlet, the first liquid inlet is connected to a liquid flow channel in the guiding assembly to receive the first coolant, the first liquid outlet is configured to release the first coolant from the outer cavity into the second cavity, and
the inner cavity comprises a second liquid inlet and a second liquid outlet, the second liquid inlet is connected to a liquid inlet pipe in the liquid circulating pipeline to receive the second coolant, and the second liquid outlet is connected to a liquid return pipe in the liquid circulating pipeline.

14. The immersion liquid cooling device of claim 1 , wherein the through hole comprises a first group of through holes and a second group of through holes, the second group of through holes are closer to the opening of the second cavity than the first group of through holes, and when the heat exchange module is inserted into the second cavity, the coolant driving device is adjacent to the second group of through holes, and the heat exchanger is adjacent to the first group of through holes.

15. The immersion liquid cooling device of claim 1 , wherein the heat exchange module further comprises a liquid-occupying block, wherein when the heat exchange module is inserted into the second cavity, the liquid-occupying block is capable of being at least partially immersed in the first coolant in the second cavity.

16. The immersion liquid cooling device of claim 1 , wherein the cabinet further comprises an outer frame and a top cover, the outer frame is disposed around the first cavity and the second cavity, the top cover is rotatably connected to the outer frame and capable of switching between a closed state in which the first cavity is closed and an open state in which the first cavity is opened.

17. The immersion liquid cooling device of claim 16 , wherein a side of the top cover facing the first cavity is provided with a sealing ring, and when the top cover is in the closed state, the top cover and the first cavity are sealed through the sealing ring.

18. The immersion liquid cooling device of claim 16 , wherein the cabinet further comprises a hydraulic driving device connected between the outer frame and the top cover to drive the to

Assignees

• Beijing Youzhuju Network Tech Co Ltd

Inventors

• Wang Ruidong
• Ren Yuanlin
• Lv Zhichao
• Shen Chen
• Wang Shifeng
• Wang Yulong
• Gui Chenglong
• Zeng Xianghui
• Gao Linan
• Zhao Zhibo
• Wang Jian

Classifications

• H05K7/20272

  Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds · CPC title

• H05K7/20263

  Heat dissipaters releasing heat from coolant · CPC title

• H05K7/20236 Primary

  by immersion · CPC title

• Y02D10/00

  Energy efficient computing, e.g. low power processors, power management or thermal management · CPC title

• H05K7/20327

  Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds · CPC title