Heat dissipation system and electronic device

Patent metadata

Field	Value
Publication number	US-12446187-B2
Application number	US-202218564897-A
Country	US
Kind code	B2
Filing date	May 26, 2022
Priority date	May 29, 2021
Publication date	Oct 14, 2025
Grant date	Oct 14, 2025

Abstract

A heat dissipation system includes a first heat dissipation panel, a second heat dissipation panel, a first rotating shaft assembly, a second rotating shaft assembly, and a driving apparatus. The first heat dissipation panel is provided with a first liquid channel, and the first liquid channel includes a first interface and a second interface. The second heat dissipation panel is provided with a second liquid channel, and the second liquid channel includes a third interface and a fourth interface. The first interface is in communication with the third interface through the first rotating shaft assembly, and the second interface is in communication with the fourth interface through the second rotating shaft assembly. The driving apparatus is configured to drive a liquid medium to flow between the first heat dissipation panel and the second heat dissipation panel.

First claim

What is claimed is:

1. A heat dissipation system comprising:
a first heat dissipation panel comprising a first liquid channel comprising:
a first interface; and
a second interface;

a second heat dissipation panel comprising a second liquid channel comprising:
a third interface; and
a fourth interface;

a first rotating shaft assembly comprising:
a first rotating shaft rotatably coupled with a second rotating shaft, wherein the second rotating shaft is a first hollow shaft, wherein the second interface is coupled to the third interface through the second rotating shaft;
a second rotating shaft assembly comprising:
a third rotating shaft rotatably coupled with a fourth rotating shaft, wherein the fourth rotating shaft is a second hollow shaft; and

a driving apparatus comprising:
a liquid outlet coupled to the first interface; and
a liquid inlet, wherein the fourth interface is coupled to the liquid inlet through the fourth rotating shaft,

wherein the driving apparatus is configured to drive a liquid medium to flow in the first liquid channel, the second liquid channel, the second rotating shaft, and the fourth rotating shaft.

2. The heat dissipation system of claim 1 , wherein the first rotating shaft and the second rotating shaft of the first rotating shaft assembly are coaxially disposed, and wherein the third rotating shaft and the fourth rotating shaft of the second rotating shaft assembly are coaxially disposed.

3. The heat dissipation system of claim 1 , wherein the second rotating shaft comprises:
a fifth interface coupled to the second interface; and
a sixth interface coupled to the third interface, and
wherein the fourth rotating shaft comprises:
a seventh interface coupled to the fourth interface; and
an eighth interface coupled to the liquid inlet.

4. The heat dissipation system of claim 3 , further comprising:
a first hose; and
a second hose,
wherein the eighth interface is coupled to the liquid inlet through the first hose, and
wherein the second interface is coupled to the fifth interface through the second hose.

5. The heat dissipation system of claim 4 , further comprising:
a first metal crimping ring;
a second metal crimping ring;
a third metal crimping ring; and
a fourth metal crimping ring, wherein the first hose comprises:
a first end crimped with the eighth interface through the first metal crimping ring; and
a second end crimped with the liquid inlet through the second metal crimping ring, and

wherein the second hose comprises:
a third end crimped with the second interface through the third metal crimping ring; and
a fourth end crimped with the fifth interface through the fourth metal crimping ring.

6. The heat dissipation system of claim 3 , further comprising:
a first hose; and
a second hose,
wherein the sixth interface is coupled to the third interface through the first hose, and
wherein the fourth interface is coupled to the seventh interface through the second hose.

7. The heat dissipation system of claim 6 , further comprising:
a first metal crimping ring;
a second metal crimping ring;
a third metal crimping ring; and
a fourth metal crimping ring,
wherein the first hose comprises:
a first end crimped with the sixth interface through the first metal crimping ring; and
a second end crimped with the third interface through the second metal crimping ring, and
wherein the second hose comprises:
a third end crimped with the fourth interface through the third metal crimping ring; and
a fourth end crimped with the seventh interface through the fourth metal crimping ring.

8. The heat dissipation system of claim 3 , wherein the sixth interface is nested in the third interface and the sixth interface is fixedly coupled to the third interface, or wherein the seventh interface is nested in the fourth interface and the seventh interface is fixedly coupled to the fourth interface.

9. The heat dissipation system of claim 3 , further comprising:
a first sealing ring, wherein the sixth interface is nested in the third interface, wherein the first sealing ring is disposed between the sixth interface and the third interface and is in interference fit with the sixth interface and the third interface; or
a second sealing ring, wherein the seventh interface is nested in the fourth interface, wherein the second sealing ring is disposed between the seventh interface and the fourth interface and is in interference fit with the seventh interface and the fourth interface.

10. The heat dissipation system of claim 3 , further comprising:
a nested mechanical part sleeved at a joint between the sixth interface and the third interface;
a first sealing ring disposed between the nested mechanical part and the sixth interface and is in interference fit with the nested mechanical part and the sixth interface; and
a second sealing ring disposed between the nested mechanical part and the third interface and is in interference fit with the nested mechanical part and the third interface.

11. The heat dissipation system of claim 8 , wherein the sixth interface is rotatably coupled to the third interface, and wherein the seventh interface is rotatably coupled to the fourth interface.

12. The heat dissipation system of claim 1 , further comprising:
a first hose penetrating the second rotating shaft and comprising:
a first end coupled to the second interface; and
a second end coupled to the third interface; and

a second hose passing through the fourth rotating shaft and comprising:
a third end coupled to the fourth interface; and
a fourth end coupled to the liquid inlet.

13. The heat dissipation system of claim 1 , wherein the first heat dissipation panel further comprises:
a first adapter in communication with the first liquid channel and comprising a first connector that is used as the first interface; and
a second adapter in communication with the first liquid channel and comprising a second connector that is used as the second interface.

14. The heat dissipation system of claim 1 , wherein the second heat dissipation panel further comprises:
a first adapter in communication with the second liquid channel and comprising a first connector that is used as the third interface; and
a second adapter in communication with the second liquid channel and comprising a second connector that is used as the fourth interface.

15. The heat dissipation system of claim 14 , wherein the first adapter further comprises:
a fastening part fixedly coupled to the second heat dissipation panel; and
a bending part bent from the fastening part toward a direction of the first heat dissipation panel and comprising an end facing away from the fastening part, wherein the first connector is disposed at the end.

16. A heat dissipation system comprising:
a first connecting pipe comprising a first hose;
a second connecting pipe comprising a second hose
a first heat dissipation panel comprising a first liquid channel comprising:
a first interface; and
a second interface;

a second heat dissipation panel comprising a second liquid channel comprising:
a third interface; and
a fourth interface;

a first connection assembly comprising:
a first connecting piece comprising:
a fifth interface coupled to the third interface; and
a sixth interface; and

a second connecting piece comprising:
a seventh interface coupled to the sixth interface through the first connecting pipe; and
an eighth interface coupled to the second interface;

a second connection assembly comprising:
a third connecting piece comprising:

Assignees

• Huawei Tech Co Ltd

Inventors

• Wang Jianliang
• Zhou Along
• Wu Huipeng
• Shi Jian
• Xu Shoubiao

Classifications

• G06F1/1616

  with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position · CPC title

• G06F2200/201

  Cooling arrangements using cooling fluid · CPC title

• G06F1/1681

  Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683) · CPC title

• H05K5/0217

  Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03) · CPC title

• H05K7/20218

  using a liquid coolant without phase change in electronic enclosures (in cabinets of standardized dimensions H05K7/20536; in server cabinets H05K7/20709; in vehicle electronic casings H05K7/20845; in power control electronics H05K7/2089; in displays H05K7/20954) · CPC title