Cooling module design for servers

Patent metadata

Field	Value
Publication number	US-11019752-B2
Application number	US-201916447703-A
Country	US
Kind code	B2
Filing date	Jun 20, 2019
Priority date	Jun 20, 2019
Publication date	May 25, 2021
Grant date	May 25, 2021

Abstract

In one embodiment, a cooling module includes a base frame, a fluid supply channel disposed on the base frame to receive cooling fluid from an external cooling fluid source, a fluid return channel disposed on the base frame to return the cooling fluid, multiple cold plates disposed on the base frame, wherein the cold plates are to be attached to a plurality of data processing modules. The cooling module also includes multiple distribution channels to distribute the cooling fluid received from the fluid supply channel to the cold plates to exchange heat generated by the heat generating modules and to return the cooling fluid carrying the exchanged heat back to the external cooling fluid source via the fluid return channel. The base frame, the fluid supply and return channels, the fluid distribution channels, and the cold plates are integrated as a single integrated cooling unit.

First claim

What is claimed is:

1. A cooling module, comprising:
a base frame;
a fluid supply channel disposed on the base frame to receive cooling fluid from an external cooling fluid source, wherein the fluid supply channel comprises a tapered manifold that narrows in the direction of fluid flow;
a fluid return channel disposed on the base frame to return the cooling fluid;
a plurality of cold plates disposed on a bottom surface of the base frame, wherein the cold plates are to be attached to a plurality of data processing modules; and
a plurality of fluid distribution channels disposed on a top surface of the base frame to distribute the cooling fluid received from the fluid supply channel to the cold plates to exchange heat generated by the data processing modules and to return the cooling fluid carrying the exchanged heat back to the external cooling fluid source via the fluid return channel, wherein the base frame, the fluid supply and return channels, the fluid distribution channels, and the cold plates are integrated as a single integrated cooling unit comprised of a single piece of material, and wherein all fluid distribution channel connections are internal to the base frame and the fluid supply channel and the fluid return channel are the only external fluid connections to the plurality of fluid distribution channels.

2. The cooling module of claim 1 , wherein the base frame, the fluid supply channel, the fluid return channel, the plurality of cold plates, and the plurality of fluid distribution channels are formed from a single material.

3. The cooling module of claim 2 , wherein the single material comprises aluminum, copper, steel, or titanium.

4. The cooling module of claim 1 , wherein the plurality of cold plates are coupled to the plurality of distribution channels via a permanent coupling.

5. The cooling module of claim 1 , wherein the plurality of fluid distribution channels are located above a top surface of the base frame.

6. The cooling module of claim 1 , wherein the cooling module is adapted for use inside an autonomous vehicle.

7. The cooling module of claim 1 , wherein the plurality of cold plates are arranged in series on the cooling module, such that the cooling fluid passes a first group of cold plates before passing a second group of cold plates.

8. The cooling module of claim 1 , wherein the plurality of cold plates are arranged in parallel on the cooling module, such that the cooling fluid passes each of the plurality of cold plates at substantially the same time.

9. An electronic rack, comprising:
a rack manifold having a rack liquid supply line to receive cooling liquid from a cooling liquid source and a rack liquid return line to return warmer liquid back to the cooling liquid source; and
a plurality of server blades arranged in a stack, wherein each of the server blades includes a plurality of data processing modules and a cooling module attached to the data processing modules for heat exchanges, wherein the cooling module comprises a base frame,
a fluid supply channel disposed on the base frame to receive cooling fluid from the rack liquid supply line, wherein the fluid supply channel comprises a tapered manifold that narrows in the direction of fluid flow,
a fluid return channel disposed on the base frame to return the cooling fluid to rack liquid return line,
a plurality of cold plates disposed on a bottom surface of the base frame, wherein the cold plates are to be attached to the data processing modules, and
a plurality of fluid distribution channels disposed on a top surface of the base frame to distribute the cooling fluid received from the fluid supply channel to the cold plates to exchange heat generated by the data processing modules and to return the cooling fluid carrying the exchanged heat back to the external cooling fluid source via the fluid return channel, wherein the base frame, the fluid supply and return channels, the fluid distribution channels, and the cold plates are integrated as a single integrated cooling unit comprised of a single piece of material, and wherein all fluid distribution channel connections are internal to the base frame and the fluid supply channel and the fluid return channel are the only external fluid connections to the plurality of fluid distribution channels.

10. The electronic rack of claim 9 , wherein the base frame, the fluid supply channel, the fluid return channel, the plurality of cold plates, and the plurality of fluid distribution channels are formed from a single material.

11. The electronic rack of claim 10 , wherein the single material comprises aluminum, copper, steel, or titanium.

12. The electronic rack of claim 9 , wherein the plurality of cold plates are coupled to the plurality of distribution channels via a permanent coupling.

13. The electronic rack of claim 9 , wherein the plurality of fluid distribution channels are located above a top surface of the base frame.

14. The electronic rack of claim 9 , wherein the cooling module is adapted for use inside an autonomous vehicle.

15. The electronic rack of claim 9 , wherein the plurality of cold plates are arranged in series on the cooling module, such that the cooling fluid passes a first group of cold plates before passing a second group of cold plates.

16. A data center system, comprising:
a room liquid supply line to receive cooling liquid from an external cooling source;
a room liquid return line to return the cooling liquid back to the external cooling source; and
a plurality of electronic racks, wherein each of the electronic racks comprises
a rack manifold having a rack liquid supply line to receive cooling liquid from the room liquid supply line and a rack liquid return line to return warmer liquid back to the room liquid return line, and
a plurality of server blades arranged in a stack, wherein each of the server blades includes a plurality of data processing modules and a cooling module attached to the data processing modules for heat exchanges, wherein the cooling module comprises
a base frame,
a fluid supply channel disposed on the base frame to receive cooling fluid from the rack liquid supply line, wherein the fluid supply channel comprises a tapered manifold that narrows in the direction of fluid flow,
a fluid return channel disposed on the base frame to return the cooling fluid to rack liquid return line,
a plurality of cold plates disposed on a bottom surface of the base frame, wherein the cold plates are to be attached to the data processing modules, and
a plurality of fluid distribution channels disposed on a top surface of the base frame to distribute the cooling fluid received from the fluid supply channel to the cold plates to exchange heat generated by the data processing modules and to return the cooling fluid carrying the exchanged heat back to the external cooling fluid source via the fluid return channel, wherein the base frame, the fluid supply and return channels, the fluid distribution channels, and the cold plates are integrated as a single integrated cooling unit comprised of a single piece of material, and wherein all fluid distribution channel connections are internal to the base frame and the fluid supply channel and the fluid return channel are the only external fluid connections to the plurality of fluid distribution channels.

Assignees

• Baidu Usa Llc

Inventors

• Gao Tianyi

Classifications

• H05K7/20772 Primary

  within server blades for removing heat from heat source · CPC title

• H05K7/20727

  within server blades for removing heat from heat source · CPC title

• H05K7/20781 Primary

  within cabinets for removing heat from server blades · CPC title

• H05K7/2079

  within rooms for removing heat from cabinets · CPC title

• 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