IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0967040
(2007-12-29)
|
등록번호 |
US-7580262
(2009-09-08)
|
우선권정보 |
CN-2007 1 0202480(2007-11-12) |
발명자
/ 주소 |
- Chou, Ming Der
- Chang, Yao Tin
|
출원인 / 주소 |
- Hon Hai Precision Industry Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
10 |
초록
▼
A heat dissipation assembly mounted to a main board in a blade server includes a graphics card, a heat sink, and a thermal board. The graphics card includes a GPU and a plurality of first graphics memory chips mounted on a top thereof, and a plurality of second graphics memory chips mounted on a bo
A heat dissipation assembly mounted to a main board in a blade server includes a graphics card, a heat sink, and a thermal board. The graphics card includes a GPU and a plurality of first graphics memory chips mounted on a top thereof, and a plurality of second graphics memory chips mounted on a bottom thereof. The heat sink for cooling the GPU and the first graphics memory chips, includes a base attached to the top of the graphics card, a finned part fixed to a top of the base, and a heat pipe sandwiched between the base and the finned part. A pathway of the heat pipe passes over the GPU and at least part of the first graphics memory chips of the graphics card. The thermal board is mounted to the bottom of the graphics card for cooling the second graphics memory chips.
대표청구항
▼
What is claimed is: 1. A heat dissipation assembly mounted to a main board, the heat dissipation assembly comprising: a graphics card comprising a graphic processing unit (GPU) and a plurality of first graphics memory chips mounted on a top thereof, and a plurality of second graphics memory chips m
What is claimed is: 1. A heat dissipation assembly mounted to a main board, the heat dissipation assembly comprising: a graphics card comprising a graphic processing unit (GPU) and a plurality of first graphics memory chips mounted on a top thereof, and a plurality of second graphics memory chips mounted on a bottom thereof; a heat sink mounted to the top of the graphics card for cooling the GPU and the first graphics memory chips of the graphics card, the heat sink comprising a base attached to the top of the graphics card, a finned part having a plurality of fins fixed to a top of the base, and a heat pipe sandwiched between the base and the finned part, a pathway of the heat pipe passing over the GPU and at least part of the first graphics memory chips of the graphics card; and a thermal board mounted to a bottom of the graphics card for cooling the second graphics memory chips of the graphics card. 2. The heat dissipation assembly as claimed in claim 1, wherein thermal grease is attached to the bottom of the base of the heat sink and contacts with the GPU of the graphics card. 3. The heat dissipation assembly as claimed in claim 1, wherein a plurality of thermal pads is attached to the bottom of the base of the heat sink and respectively contacts with the first graphics memory chips of the graphics card. 4. The heat dissipation assembly as claimed in claim 1, wherein a plurality of thermal pads is attached to a top of the thermal board and respectively contacts with the second graphics memory chips of the graphics card. 5. The heat dissipation assembly as claimed in claim 1, wherein four of the first graphics memory chips are mounted to the top of the graphics card, the first graphics memory chips are in pairs set at two adjoined sides of the GPU respectively, a thermal pad is attached to a bottom of the base of the heat sink and contacts each of the pairs of first graphics memory chips. 6. The heat dissipation assembly as claimed in claim 5, wherein four of the second graphics memory chips are mounted to the bottom of the graphics card, the second graphics memory chips are in pairs set at two adjoined sides of the GPU respectively, a thermal pad is attached to a top of the thermal board and contacts each of the pairs of second graphics memory chips. 7. The heat dissipation assembly as claimed in claim 6, wherein the second graphics memory chips on the bottom of the graphics card are respectively under the first graphics memory chips on the top of the graphics card. 8. The heat dissipation assembly as claimed in claim 1, wherein an insulating piece is fixed to a bottom of the thermal board configured to prevent elements of the main board from being electrically disturbed by the heat dissipation assembly. 9. The heat dissipation assembly mounted to a main board comprising: the heat dissipation assembly mounted to the main board, wherein the heat dissipation assembly comprises: a graphics card mounted to and in parallel with the main board, the graphics card comprising a graphic processing unit (GPU) and a plurality of first graphics memory chips mounted on a top thereof, and a plurality of second graphics memory chips mounted on a bottom thereof; a heat sink mounted to the top of the graphics card for cooling the GPU and the first graphics memory chips of the graphics card, the heat sink comprising a base attached to the top of the graphics card, a finned part having a plurality of fins fixed to a top of the base, and a heat pipe sandwiched between the base and the finned part, a pathway of the heat pipe passing over the GPU and at least part of the first graphics memory chips of the graphics card; and a thermal board mounted to a bottom of the graphics card for cooling the second graphics memory chips of the graphics card. 10. The heat dissipation assembly as claimed in claim 9, wherein thermal grease is attached to the bottom of the base of the heat sink and contacts with the GPU of the graphics card. 11. The heat dissipation assembly as claimed in claim 9, wherein a plurality of thermal pads is attached to the bottom of the base of the heat sink and respectively contacts with the first graphics memory chips of the graphics card. 12. The heat dissipation assembly as claimed in claim 9, wherein a plurality of thermal pads is attached to a top of the thermal board and respectively contacts with the second graphics memory chips of the graphics card. 13. The heat dissipation assembly as claimed in claim 9, wherein the four pieces of the first graphics memory chips are mounted to the top of the graphics card, the first graphics memory chips are in pairs set at two adjoined sides of the GPU respectively, a thermal pad is attached to a bottom of the base of the heat sink and contacts each of the pairs of first graphics memory chips. 14. The heat dissipation assembly as claimed in claim 13, wherein four of the second graphics memory chips are mounted to the bottom of the graphics card, the second graphics memory chips are in pairs set at two adjoined sides of the GPU respectively, a piece of thermal pad is attached to a top of the thermal board and contacts each of the pairs of second graphics memory chips. 15. The heat dissipation assembly as claimed in claim 14, wherein the second graphics memory chips on the bottom of the graphics card are respectively under the first graphics memory chips on the top of the graphics card. 16. The heat dissipation assembly as claimed in claim 9, wherein an insulating piece is fixed to a bottom of the thermal board configured to prevent elements of the main board from being electrically disturbed by the heat dissipation assembly. 17. The heat dissipation assembly as claimed in claim 9, further comprising a fixing member for clipping the heat dissipation assembly, wherein the fixing member comprises a fixed part fixed to the main board, and a rotating part mounted to the fixing part, a first end of the rotating part is rotatably connected to a first end of the fixing part, a wall defining a hole extends from a second end of the fixing part, an elastic member extends from a second end of the rotating part, a groove is defined in a top of the finned part of the heat sink, when the rotating part of the fixing member is rotated to a fixing position, the rotating part is partly received in the groove of the heat sink, the clipping block of the rotating part is snappingly clipped in the hole of fixing part, and when the elastic member is operated to be elastically deformed, the clipping block of the rotating part is disengaged from the hole of fixing part, and the rotating part can be rotated away from the clipping position. 18. The heat dissipation assembly as claimed in claim 17, wherein the fixed part of the fixing member comprises two supporting posts extending therefrom, a cross-shaped clipping block extends from each of the supporting posts, two holes are defined in the graphics card, the cross-shaped clipping blocks of the fixed part of the fixing member are respectively engaged in the holes of the graphics card.
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