Heat dissipation module for hinged mobile computer

• US 7,254,019 B2
• Filed: 11/17/2005
• Issued: 08/07/2007
• Est. Priority Date: 11/19/2004
• Status: Expired due to Fees

• Current Assignee: Hon Hai Precision Industry Co., Ltd.
• Original Assignee: Hon Hai Precision Industry Co., Ltd.
• Inventors: Leu, Charles, Chen, Ga-Lane, Yu, Tai-Cherng, Lin, Jhy-Chain
• Primary Examiner(s): DATSKOVSKIY, MICHAIL V
• Application Number:
  US11/283,285
• Publication Number:
  US 20060109622A1
• Time in Patent Office: 628 Days
• Field of Search: 361/686, 361/687, 361692-695, 361698-702, 361704-712, 361714-722, 165/80.2, 165/80.3, 165/104.33, 165/185, 16510421-10426, 174/15.1, 174/15.2, 174/16.3, 622/592, 454/184, 162/23
• US Class Current: 361/679.48
• CPC Class Codes: G06F 1/203 for portable computers, e.g. for laptops

Abstract

A heat dissipation module for a mobile computer, the mobile computer having a base (10) and a display unit (20) pivotally coupled to the base, the base having a number of through holes (13) defined on a shell (18) thereof, the heat dissipation module including: a cooling fan (14) disposed near the through holes of the shell; and a heat pipe (15) having a evaporating section (52), a condensing section (56), and an intermediate section (54) connecting the evaporating section and the condensing section; wherein the evaporating section of the heat pipe is disposed between the shell and the cooling fan, and the condensing section of the heat pipe is disposed on the display unit of the mobile computer.

Claims

1. A heat dissipation module for use in a mobile computer, the mobile computer having a base and a display unit pivotally coupled to the base, the base having a ventilating portion, the heat dissipation module comprising:

a heat pipe having an evaporating section, a condensing section, and a flexible intermediate section;

the evaporating section being adapted for being disposed adjacent the ventilating portion of the base, the condensing section being adapted for being coupled to the display unit of the mobile computer; and

a cooling fan for being disposed spatially corresponding to the evaporating section.

2. The heat dissipation module as claimed in claim 1, wherein the evaporating section of the heat pipe is concertinaed.

3. The heat dissipation module as claimed in claim 1, wherein the evaporation section is flat.

4. The heat dissipation module as claimed in claim 1, wherein the intermediate section is adapted for extending from the base to the display unit.

5. The heat dissipation module as claimed in claim 1, wherein the intermediate section is thermally inert.

6. The heat dissipation module as claimed in claim 1, further comprising a thermally conductive plate, for being disposed between the condensing section of the heat pipe and the display unit.

7. The heat dissipation module as claimed in claim 6, wherein the thermally conductive plate is comprised of a metal having a thermally conductive coefficient at least as high as that of copper.

8. The heat dissipation module as claimed in claim 6, wherein the evaporating section of the heat pipe is concertinaed.

9. The heat dissipation module as claimed in claim 6, wherein the evaporation section is flat.

10. The heat dissipation module as claimed in claim 6, wherein the intermediate section is adapted for extending from the base to the display unit.

11. The heat dissipation module as claimed in claim 6, wherein the intermediate section is thermally inert.

12. A heat dissipation module for use in a mobile computer, the mobile computer comprising a base and a display unit hinged on the base, the base comprising a plurality of through holes defined in a ventilating portion of the base, the heat dissipation module comprising:

a cooling fan for being disposed near the through holes of the ventilating portion; and

a heat pipe having an evaporating section, a condensing section, and a flexible intermediate section;

wherein the evaporating section is for being disposed between the ventilating portion and the cooling fan, and the condensing section of the heat pipe is for being disposed on the display unit.

13. The heat dissipation module as claimed in claim 12, wherein the evaporating section of the heat pipe is concertinaed.

14. The heat dissipation module as claimed in claim 12, further comprising a thermally conductive plate for being disposed between the condensing section of the heat pipe and the display unit.

15. An electronic device comprising:

a base for accommodating electronic components of said electronic device therein, a ventilating portion defined on said base beside said electronic components so as to allow an interior of said base communicable with an outside of said electronic device, higher-temperature air caused by said accommodated electronic components capable of being forced to move toward said ventilating portion along a path between said ventilating portion and said electronic components in said base; and

a heat dissipation module disposed in said path and spaced from said electronic components, said heat dissipation module capable of absorbing heat from said higher-temperature air passing through said path and transferring said heat out of said path.

16. The electronic device as claimed in claim 15, wherein said ventilating portion defines a plurality of through holes therein.

17. The electronic device as claimed in claim 15, wherein said heat dissipation module comprises at least one heat pipe extending an evaporating section thereof in said base, a condensing section thereof out of said base and a flexible intermediate section thereof connected between said evaporating section and said condensing section.

18. The electronic device as claimed in claim 17, wherein said evaporating section of said heat pipe is attachable to said base beside said ventilating portion without hindering said air from passing through said ventilating portion.

19. The electronic device as claimed in claim 17, further comprising a thermal conductive plate attachable to said condensing section of said heat pipe for heat dissipation of said condensing section.

20. The electronic device as claimed in claim 15, wherein said heat dissipation module comprises a fan disposed in said path to face said ventilating portion and spaced from said electronic components so as to force movement of said higher-temperature air toward said ventilating portion.