Electronic equipment with immersion cooling system

Patent metadata

Field	Value
Publication number	US-12464676-B2
Application number	US-202318326412-A
Country	US
Kind code	B2
Filing date	May 31, 2023
Priority date	Jul 7, 2022
Publication date	Nov 4, 2025
Grant date	Nov 4, 2025

Abstract

An electronic equipment with an immersion cooling system includes a sealed tank filled with an electrically non-conductive liquid which is a single-phase electrically non-conductive liquid; a plurality of slots disposed in the sealed tank; at least one electric unit removably inserted in the plurality of slots and including at least one heat source; and an air supply unit disposed in the sealed tank. The air supply unit includes a ventilation tube unit and a plurality of air diffuser. The plurality of air diffusers is coupled with the ventilation tube unit, is immersed in the electrically non-conductive liquid, and is configured to generate bubbles for stirring the electrically non-conductive liquid.

First claim

What is claimed is:

1 . An electronic equipment with an immersion cooling system, comprising:
a sealed tank filled with an electrically non-conductive liquid which is a single-phase electrically non-conductive liquid; a plurality of slots disposed in the sealed tank; at least one electric unit removably inserted in the plurality of slots and including at least one heat source and at least one fluid driving member; and an air supply unit disposed in the sealed tank, wherein the air supply unit includes a ventilation tube unit and a plurality of air diffuser, wherein the plurality of air diffusers is coupled with the ventilation tube unit, is immersed in the electrically non-conductive liquid, and is configured to generate bubbles for stirring the electrically non-conductive liquid; wherein the at least one fluid driving member is located between the at least one heat source and the plurality of air diffusers of the air supply unit; and wherein the ventilation tube unit includes a main tube, a plurality of branch tubes and a plurality of air inlet tubes, wherein the plurality of air inlet tubes extend vertically from the main tube into the plurality of slots.

2 . The electronic equipment with the immersion cooling system as claimed in claim 1 , wherein the plurality of branch tubes intercommunicates with the main tube and is aligned with the plurality of slots.

3 . The electronic equipment with the immersion cooling system as claimed in claim 2 , wherein the plurality of air diffusers is coupled with the plurality of air inlet tubes.

4 . The electronic equipment with the immersion cooling system as claimed in claim 3 , wherein each of the plurality of air diffusers includes a diffuser body and a plurality of through holes, wherein the diffuser body intercommunicates with the plurality of air inlet tubes, and wherein the plurality of through holes extends through the diffuser body.

5 . The electronic equipment with the immersion cooling system as claimed in claim 1 , wherein the sealed tank includes a tank body, wherein the electrically non-conductive liquid is received in the tank body, wherein an opening is formed on a top end of the tank body, wherein the sealed tank includes a base and a lid, wherein the base is coupled to a bottom of the tank body, and wherein the lid is coupled to the tank body and covers the opening.

6 . The electronic equipment with the immersion cooling system as claimed in claim 5 , wherein the sealed tank includes an air inlet and an air outlet, wherein the air inlet is disposed on the base, and wherein the air outlet is disposed on the lid.

7 . The electronic equipment with the immersion cooling system as claimed in claim 6 , further comprising an air pump disposed outside the sealed tank and intercommunicating with the air inlet.

8 . The electronic equipment with the immersion cooling system as claimed in claim 5 , further comprising an air pump disposed inside the sealed tank, wherein the tank body includes a channel having an end intercommunicating with the air pump and another end intercommunicating with the main tube of the air supply unit.

9 . The electronic equipment with the immersion cooling system as claimed in claim 1 , wherein the electric unit includes a casing removably inserted in one of the plurality of slots, wherein the electric unit includes an electric module which is disposed in the casing and includes the at least one heat source.

10 . The electronic equipment with the immersion cooling system as claimed in claim 9 , wherein the electric unit includes a substrate, wherein the at least one heat source is disposed on the substrate, and wherein the electric unit includes the fluid driving member disposed in the casing or on the substrate.

11 . The electronic equipment with the immersion cooling system as claimed in claim 10 , wherein the electric unit includes a fluid passage hood coupled to the casing or the substrate, wherein the casing includes a bottom end being open, and wherein the at least one heat source is located inside the fluid passage hood.

12 . The electronic equipment with the immersion cooling system as claimed in claim 11 , wherein the electric unit includes at least one auxiliary cooling member in thermal connection with the at least one heat source and located inside the fluid passage hood.

13 . The electronic equipment with the immersion cooling system as claimed in claim 11 , wherein a fluid passage is formed in the fluid passage hood, and wherein a discharge direction of the fluid driving member faces a lid of the sealed tank.

14 . The electronic equipment with the immersion cooling system as claimed in claim 13 , wherein two ends of the fluid passage hood are open to form a top opening and a bottom opening, and wherein a discharge port of the fluid driving member is adjacent to the bottom opening.

15 . The electronic equipment with the immersion cooling system as claimed in claim 9 , wherein the casing includes a top end having a hook.

16 . The electronic equipment with the immersion cooling system as claimed in claim 1 , further comprising a pipe unit, wherein an end of the pipe unit is connected to a liquid inlet of the sealed tank, wherein another end of the pipe unit is connected to a liquid outlet of the sealed tank, and wherein a liquid pump and a cooling unit are serially connected between the end and the another end of the pipe unit.

17 . The electronic equipment with the immersion cooling system as claimed in claim 1 , further comprising a pipe unit, wherein an end of the pipe unit is connected to a liquid inlet of the sealed tank, wherein another end of the pipe unit is connected to a liquid outlet of the sealed tank, and wherein a cooling distribution unit is serially connected between the end and the another end of the pipe unit.

18 . The electronic equipment with the immersion cooling system as claimed in claim 1 , wherein the plurality of air diffusers includes bubble stones.

Assignees

• Sunonwealth Electric Machine Ind Co Ltd

Inventors

• Jian Wei-Qian

Classifications

• H05K7/20236 Primary

  by immersion · CPC title

• H05K7/20272 Primary

  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