Heat dissipation module

Patent metadata

Field	Value
Publication number	US-12228146-B2
Application number	US-202217888362-A
Country	US
Kind code	B2
Filing date	Aug 15, 2022
Priority date	Aug 26, 2021
Publication date	Feb 18, 2025
Grant date	Feb 18, 2025

Abstract

A heat dissipation module includes a main vapor chamber, at least one auxiliary vapor chamber, a main heat dissipation fin set and at least one auxiliary heat dissipation fin set. The auxiliary vapor chamber is in fluid communication with the main vapor chamber, the main heat dissipation fin set is installed on the main vapor chamber, the auxiliary heat dissipation fin set is connected to the auxiliary vapor chamber, and the auxiliary vapor chamber is arranged between the main heat dissipation fin set and the auxiliary heat dissipation fin set.

First claim

What is claimed is:

1. A heat dissipation module, comprising:
a main vapor chamber;
at least one auxiliary vapor chamber in fluid communication with the main vapor chamber;
a main heat dissipation fin set installed on the main vapor chamber;
at least one auxiliary heat dissipation fin set connected to the at least one auxiliary vapor chamber, wherein the at least one auxiliary vapor chamber is arranged between the main heat dissipation fin set and the at least one auxiliary heat dissipation fin set, wherein the at least one auxiliary vapor chamber comprises:
a first auxiliary vapor chamber; and
a second auxiliary vapor chamber, wherein the first auxiliary vapor chamber and the second auxiliary vapor chamber are respectively connected to two opposite sides of the main heat dissipation fin set, wherein the at least one auxiliary heat dissipation fin set comprises:
a first auxiliary heat dissipation fin set; and
a second auxiliary heat dissipation fin set, wherein the first auxiliary vapor chamber is arranged between the main heat dissipation fin set and the first auxiliary heat dissipation fin set, and the second auxiliary vapor chamber is arranged between the main heat dissipation fin set and the second auxiliary heat dissipation fin set; and

a supporting frame to support the main heat dissipation fin set, the first auxiliary heat dissipation fin set and the second auxiliary heat dissipation fin set, wherein the supporting frame comprises:
a first side beam;
a second side beam arranged opposite to the first side beam;
a third side beam connected on the first side beam and the second side beam;
a fourth side beam connected on the first side beam and the second side beam, wherein the fourth side beam is arranged opposite to the third side beam; and
an opening formed between the first side beam, the second side beam, the third side beam and the fourth side beam, wherein the first auxiliary vapor chamber and the second auxiliary vapor chamber pass through the supporting frame via the opening.

2. The heat dissipation module of claim 1 , wherein the main heat dissipation fin set comprises a plurality of heat dissipation fins vertically arranged on the main vapor chamber and fixed on the first side beam and the second side beam of the supporting frame.

3. The heat dissipation module of claim 1 , wherein the first auxiliary heat dissipation fin set and the second auxiliary heat dissipation fin set respectively comprise a plurality of heat dissipation fins horizontally stacked on the third side beam and the fourth side beam of the supporting frame.

4. The heat dissipation module of claim 1 , wherein the at least one auxiliary vapor chamber comprises a plurality of steam channels formed in the auxiliary vapor chamber.

5. The heat dissipation module of claim 4 , wherein the steam channels comprise a plurality of cylindrical steam channels or a plurality of rectangular steam channels.

6. The heat dissipation module of claim 4 , wherein the steam channels comprise a plurality of vertical steam channels.

7. The heat dissipation module of claim 6 , wherein the steam channels further comprise a plurality of horizontal steam channels arranged to intersect with the vertical steam channels.

8. The heat dissipation module of claim 7 , wherein the horizontal steam channels are formed by a plurality of spacer bumps and heights of upper surfaces of the spacer bumps below each of the horizontal steam channels gradually decrease while approaching a center of the at least one auxiliary vapor chamber.

9. The heat dissipation module of claim 4 , wherein the at least one auxiliary vapor chamber further comprises a plurality of fluid return channels, wherein the plurality of steam channels and the plurality of fluid return channels are staggered.

10. The heat dissipation module of claim 9 , wherein the plurality of steam channels and the plurality of fluid return channels are formed by a plurality of inclined spacer bumps.

11. The heat dissipation module of claim 10 , wherein the plurality of inclined spacer bumps are wavily arranged to form the plurality of steam channels and the plurality of fluid return channels, and the plurality of inclined spacer bumps are spaced apart from each other so as to form a slot in a wavy turning area.

12. The heat dissipation module of claim 11 , wherein one end, adjacent to one of the plurality of steam channels, of each of the plurality of inclined spacer bumps is higher than another end, adjacent to one of the plurality of fluid return channels, of the each of the plurality of inclined spacer bumps.

13. A heat dissipation module, comprising:
a main vapor chamber;
at least one auxiliary vapor chamber in fluid communication with the main vapor chamber;
a main heat dissipation fin set installed on the main vapor chamber;
at least one auxiliary heat dissipation fin set connected to the at least one auxiliary vapor chamber, wherein the at least one auxiliary vapor chamber is arranged between the main heat dissipation fin set and the at least one auxiliary heat dissipation fin set, wherein the at least one auxiliary vapor chamber comprises a plurality of steam channels formed in the auxiliary vapor chamber and a plurality of fluid return channels, wherein the plurality of steam channels and the plurality of fluid return channels are staggered, wherein a capillary layer is formed on surfaces of the plurality of steam channels and the plurality of fluid return channels.

14. The heat dissipation module of claim 13 , wherein the plurality of fluid return channels further comprise a capillary column to connect the capillary layer and a capillary structure formed on a surface of a lower cover of the main vapor chamber.

15. The heat dissipation module of claim 4 , wherein the plurality of steam channels are formed by slots in spacer structures.

16. The heat dissipation module of claim 15 , wherein a capillary layer is formed on surfaces of the plurality of steam channels.

17. The heat dissipation module of claim 16 , wherein each of the plurality of steam channels further comprises a capillary column to connect to the capillary layer and a capillary structure formed on a surface of a lower cover of the main vapor chamber.

Assignees

• Auras Technology Co Ltd

Inventors

• Chen Chih-Wei
• Chang Cheng-Ju
• Chuang Hsiang-Chih
• Huang Jyun-Wei
• Cheng Yi-Le

Classifications

• H10W40/47

  by flowing liquids, e.g. forced water cooling · CPC title

• H10W40/226

  characterised by projecting parts, e.g. fins to increase surface area (leadframes for cooling H10W70/461) · CPC title

• F04D29/588

  cooling or heating the machine (F04D29/5886, F04D29/5893 take precedence) · CPC title

• F04D29/426

  especially adapted for liquid pumps · CPC title

• H05K7/20418

  the radiating structures being additional and fastened onto the housing · CPC title