U.S. patent application number 11/730811 was filed with the patent office on 2007-11-08 for direction-adjustable diffusive device.
This patent application is currently assigned to AMA Precision Inc.. Invention is credited to Ching Ho.
Application Number | 20070256813 11/730811 |
Document ID | / |
Family ID | 38660180 |
Filed Date | 2007-11-08 |
United States Patent
Application |
20070256813 |
Kind Code |
A1 |
Ho; Ching |
November 8, 2007 |
Direction-adjustable diffusive device
Abstract
A direction-adjustable diffusive device is disclosed to include
a heat sink, which has a rotating mechanism positioned on the
outside of the heat sink, and a cowling, which has another rotating
mechanism correspondingly coupled to the rotating mechanism of the
heat sink, and a wind-guiding channel comprising a first
wind-guiding hole facing the heat sink. The cowling uses the other
rotating mechanism and the rotating mechanism for allowing the
cowling to be turned about the heat sink to adjust a heat
dissipation direction of the heat sink. Therefore, the cowling can
use the other rotating mechanism and the rotating mechanism to
rotate relatively to the heat sink, which means that the direction
of the cowling can be adjusted through 360.degree. according to the
requirements to dissipate heat through the heat sink.
Inventors: |
Ho; Ching; (Keelung City,
TW) |
Correspondence
Address: |
BACON & THOMAS, PLLC
625 SLATERS LANE
FOURTH FLOOR
ALEXANDRIA
VA
22314
US
|
Assignee: |
AMA Precision Inc.
Taipei
TW
|
Family ID: |
38660180 |
Appl. No.: |
11/730811 |
Filed: |
April 4, 2007 |
Current U.S.
Class: |
165/80.3 ;
257/E23.099 |
Current CPC
Class: |
H01L 23/467 20130101;
H01L 2924/0002 20130101; H01L 2924/0002 20130101; H01L 2924/00
20130101 |
Class at
Publication: |
165/080.3 |
International
Class: |
F28F 7/00 20060101
F28F007/00 |
Foreign Application Data
Date |
Code |
Application Number |
Apr 19, 2006 |
TW |
095113949 |
Claims
1. A direction-adjustable diffusive device comprising: a heat sink
comprising at least one rotating mechanism, the rotating mechanism
positioned outside of the heat sink; and a cowling comprising at
least one another rotating mechanism, the another rotating
mechanism correspondingly coupled to the rotating mechanism of the
heat sink, and the cowling comprising a wind-guiding channel, the
wind-guiding channel comprising a first wind-guiding hole, the
first wind-guiding hold facing the heat sink; wherein, the cowling
adjusts a heat dissipation direction of the heat sink by that the
another rotating mechanism and the rotating mechanism relatively
rotated to the heat sink.
2. The diffusive device as claimed in claim 1, wherein the heat
sink comprises a plurality of radiation fins, and the radiation
fins are parallel to each other.
3. The diffusive device as claimed in claim 2, wherein the
wind-guiding channel provides an inner space, part of the radiation
fins located in the inner space.
4. The diffusive device as claimed in claim 2, wherein the
radiation fins of the heat sink are plurality of circular radiation
fins.
5. The diffusive device as claimed in claim 1, wherein the
wind-guiding channel provides a second wind-guiding hole, and the
wind-guiding channel connects to the first wind-guiding hole and
the second wind-guiding hole.
6. The diffusive device as claimed in claim 5, further comprising
an electric fan mounted on the second wind-guiding hole of the
cowling.
7. The diffusive device as claimed in claim 5, which is mounted on
a substrate that comprises a heat-emitting electronic device.
8. The diffusive device as claimed in claim 6, wherein the electric
fan comprises an air input side and an air output side, and the air
output side corresponds to the second wind-guiding hole of the
cowling.
9. The diffusive device as claimed in claim 6, wherein the cowling
further comprises an extending pipe mounted on the second
wind-guiding hole, and the front end of the extending pipe is
guided to the electric fan.
10. The diffusive device as claimed in claim 7, further comprising
an electric fan mounted on the heat-emitting electronic device, the
electric fan comprises an air input side and an air output side,
the air output side corresponds to the second wind-guiding hole of
the cowling, and the air input side corresponds to the
heat-emitting electronic device.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a diffusive device
applicable to adjust direction and more particularly, to a
direction-adjustable diffusive device, which allows adjustment of
the heat dissipation direction through 360.degree. to fit the
heat-emitting source.
[0003] 2. Description of Related Art
[0004] The internal electronic devices of regular electronic
products emit heat, either in a big or small amount, during their
operation. These electronic devices may fail or even be damaged if
emitted heat is not effectively dissipated.
[0005] In a computer, the main heat source (heat-emitting source)
is the central processing unit (CPU) mounted on the motherboard.
Therefore, heat dissipation devices are commonly used in a computer
to dissipate heat from its CPU. For example, a computer is equipped
with a cooling fan and/or a heat-emitting fan for dissipating heat
from the CPU. However, when installing a general cooling fan and a
heat sink on a computer motherboard, the installation position is
fixed subject to the design of the motherboard, i.e., the heat
dissipation direction of the cooling fan and the heat sink is
determined subject to the location of the CPU on the motherboard.
Therefore, when a conventional cooling fan and a heat sink are
installed in a computer motherboard, they provide a heat
dissipation effect only in one particular direction. This design of
fixed heat dissipation direction provides no flexibility in
application.
SUMMARY OF THE INVENTION
[0006] According to the present invention, the direction-adjustable
diffusive device comprises a heat sink, and a cowling. The heat
sink has at least one rotating mechanism positioned outside of the
heat sink. The cowling has at least one another rotating mechanism
correspondingly coupled to the rotating mechanism of the heat sink,
and comprising a wind-guiding channel comprising a first
wind-guiding hole facing the heat sink. Further, the cowling
adjusts a heat dissipation direction of the heat sink by that the
another rotating mechanism and the rotating mechanism relatively
rotated to the heat sink.
[0007] Therefore, based on the aforesaid design, the cowling can be
turned about the heat sink through 360.degree. to adjust the
angular position with the other rotating mechanism, enabling the
heat sink to dissipate heat.
[0008] The aforesaid heat sink may comprise a plurality of
radiation fins that are parallel to each other. The wind-guiding
channel may have an inner space. The wind-guiding channel may
provide an inner space, and part of the radiation fins of the heat
sink may locate in the inner space.
[0009] Besides, the wind-guiding channel may have a second
wind-guiding hole, and the wind-guiding channel connects to the
first wind-guiding hole and the second wind-guiding hole. An
electric fan may be mounted on the second wind-guiding hole of the
cowling. The electric fan may have an air input side and an air
output side. The air output side of the electric fan may correspond
to the second wind-guiding hole of the cowling.
[0010] Further, the radiation fins of the heat sink can be
plurality of circular radiation fins, or radiation fins of a
variety of polygonal shapes.
[0011] The diffusive device may be mounted on a substrate that
comprises a heat-emitting electronic device. The heat-emitting
electronic device may be mounted with an electric fan, which may
have an air input side corresponding to the heat-emitting
electronic device and an air output side corresponding to the
second wind-guiding hole of the cowling.
[0012] Moreover, the cowling may further comprise an extending pipe
on the second wind-guiding hole, and the front end of the extending
pipe is guided to the electric fan.
BRIEF DESCRIPTION OF THE DRAWINGS
[0013] FIG. 1 is a schematic drawing showing the basic architecture
of a direction-adjustable diffusive device according to the present
invention.
[0014] FIG. 2 is an exploded view of a direction-adjustable
diffusive device in accordance with a first embodiment of the
present invention.
[0015] FIG. 3 is an elevational view showing an application example
of the direction-adjustable diffusive device in accordance with the
first embodiment of the present invention.
[0016] FIG. 4 is an elevational view showing another application
example of the direction-adjustable diffusive device in accordance
with the first embodiment of the present invention.
[0017] FIG. 5 is a perspective view of a direction-adjustable
diffusive device in accordance with a second embodiment of the
present invention.
[0018] FIG. 6 is an exploded view of a direction-adjustable
diffusive device in accordance with a third embodiment of the
present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0019] FIG. 1 illustrates the basic architecture of a
direction-adjustable diffusive device according to the present
invention. As shown, the direction-adjustable diffusive device
comprises a heat sink 10, and a cowling 3. The heat sink 10
comprises at least one rotating mechanism 12 positioned on the
outside of the heat sink 10. The cowling 3 comprises at least one
rotating mechanism 331 pivotally coupled to the at least one
rotating mechanism 12 of the heat sink 10 correspondingly. The
cowling 3 comprises a wind-guiding channel 33. The wind-guiding
channel 33 has a first wind-guiding hole 32 facing the heat sink
10. By means of the rotating mechanism 331, the cowling 3 is
turnable about the heat sink 10 to adjust the heat dissipation
direction of the heat sink 10.
[0020] Therefore, based on the aforesaid basic architecture, the
cowling 3 is turnable about the heat sink 10 by means of the
rotating mechanism 331, i.e., the cowling 3 can be turned through
360.degree. to adjust the direction of the first wind-guiding hole
32, thereby adjusting the heat dissipation direction of the heat
sink 10. Examples described below will illustrate more detail.
[0021] Please refer to FIG. 2 and FIG. 3 at the same time, wherein
FIG. 2 is an exploded view of a direction-adjustable diffusive
device in accordance with a first embodiment of the present
invention, and FIG. 3 is an applied view of the
direction-adjustable diffusive device according to the first
embodiment of the present invention. This embodiment is based on
the aforesaid basic architecture. As shown, the reference sign 5
indicates a substrate. The substrate 5 comprises two fixing devices
51, and a heat-emitting electronic device 52.
[0022] According to this embodiment, only one fixing devices 51 is
shown on the substrate 5 while another one fixing devices 51
without showing is covered, and the fixing devices 51 are screw
holes. At the meantime, the substrate 5 is a motherboard; the
heat-emitting electronic device 52 is a CPU (Central Processing
Unit).
[0023] The direction-adjustable diffusive device in accordance with
the first embodiment of the present invention is mounted on the
substrate 5, comprising a heat sink 10 and a cowling 3. The heat
sink 10 comprises a plurality of radiation fins 2 and a rotating
mechanism 12 positioned on the outside of the radiation fins 2. The
radiation fins 2 are parallel to each other, and axially fixed on
the rotating mechanism 12 respectively, and spaced from one another
along the axial direction of the rotating mechanism 12 at a pitch
t. The radiation fins 2 each have a center through hole 21. The
radiation fin 2 are configured a center through hole 21
respectively, and the rotating mechanism 12 is inserted through the
center through hole 21 of each radiation fin 2 and fixedly fastened
to each radiation fin 2.
[0024] According to the present embodiment, the rotating mechanism
12 is a cylindrical copper pivot shaft. At the same time, the
radiation fins 2 of the heat sink 10 are circular radiation
fins.
[0025] Further, the heat sink 10 has a base frame 1 fixedly
provided at the bottom side of the rotating mechanism 12. The base
frame 1 comprises two fixing elements 11 corresponding to the
fixing elements 51 of the substrate 5 respectively. According to
this embodiment, the fixing elements 11 of the heat sink 10 are
through holes, and two screws 6 are respectively inserted through
the through holes 11 respectively and threaded into the screw holes
51 of the substrate 5 to affix the heat sink 10 to the substrate
5.
[0026] Additionally, the cowling 3 comprises a second wind-guiding
hole 31, a first wind-guiding hole 32, and a wind-guiding channel
33 connecting to the second wind-guiding hole 31 and the first
wind-guiding hole 32. The first wind-guiding hole 32 faces the heat
sink 10. At the meantime, the cowling 3 comprises another rotating
mechanism 331 and an inner space 332. The rotating mechanism 331 of
the cowling 3 is correspondingly coupled to the rotating mechanism
12 of the heat sink 10, and part of the radiation fins 2 located in
the inner space 332 of the cowling 3.
[0027] According to the present embodiment, the rotating mechanism
331 of the cowling 3 is a pivot bolt; an electric fan 4 is mounted
on the second wind-guiding hole 31 of the cowling 3 with screws 61.
The electric fan 4 has an air input side 41 and an air output side
42. The air output side 42 corresponds to the second wind-guiding
hole 31 of the cowling 3.
[0028] Therefore, when the heat sink 10, the cowling 3 and the
electric fan 4 are mounted together, the first wind-guiding hole 32
of the cowling 3 faces the radiation fins 2 of the heat sink 10
correspondingly, and the cowling 3 can be rotated relatively to the
heat sink 10 with the rotating mechanism 331 and the rotating
mechanism 12 to adjust the heat dissipation direction of the heat
sink 10 and to have the air input side 41 of the electric fan 4
correspond the heat-emitting electronic device 52 at the substrate
5 for heat dissipation.
[0029] FIG. 4 shows another application example of the
direction-adjustable diffusive device according to the second
embodiment of the present invention. When the location of the
heat-emitting electronic device 53 at the substrate 5 is relatively
changed due to a different design, the cowling 3 can be turned
relatively to the heat sink 10 with the rotating mechanism 12 to
have the air input side 41 of the electric fan 4 correspond the
heat-emitting electronic device 53 at the substrate 5
similarly.
[0030] Therefore, the cowling 3 can be turned about the heat sink
10 according to the requirements, i.e., through 360.degree. to
adjust the direction of the cowling 3, and dissipate the heat with
the heat sink 10. Therefore, no matter which location of the
heat-emitting electronic device 52 or 53 at the substrate 5 is, the
desired heat dissipation effect is achieved. Further, because the
heat-emitting electronic devices 52 or 53 may be installed at any
location, the heat sink 10 and the cowling 3 of the
direction-adjustable diffusive device of the present invention can
be arranged to fit different requirements.
[0031] Please refer to FIG. 5, which is an installed view of a
direction-adjustable diffusive device in accordance with a third
embodiment of the present invention. The main structure shown in
FIG. 5 is the similar to that of the aforesaid first and second
embodiments, but the electric fan 72 is mounted on the
heat-emitting electronic device 71. The electric fan 72 has an air
input side 721 and an air output side 722.
[0032] Besides, an extension pipe 74 is installed on the second
wind-guiding hole 731 of the cowling 73 and the front end of the
extension pipe 74 is guided to the electric fan 72. Therefore,
after adjustment of the angular position of the cowling 73, the air
output side 722 of the electric fan 72 corresponds the second
wind-guiding hole 731 of the cowling 73, and the air input side 721
of the electric fan 72 corresponds the heat-emitting electronic
device 71.
[0033] The aforesaid cowling 73 has the function of adjusting the
angle about the heat sink of the direction-adjustable diffusive
device. Therefore, even the electric fan 72 is mounted on the
heat-emitting electronic device 71, the goal of heat dissipation is
achieved similarly, i.e., this second embodiment can still achieve
the same effects as the aforesaid first embodiment of the present
invention.
[0034] Please refer to FIG. 6, which is an exploded view of a
direction-adjustable diffusive device in accordance with a third
embodiment of the present invention. This embodiment is
substantially similar to the aforesaid embodiments with the
exception of the polygonal shape design of the radiation fins 76.
According to this embodiment, the radiation fins 76 have a
hexagonal profile. Alternatively, the radiation fins 76 can be made
with a rectangular, pentagonal or heptagonal shape, or any of a
variety of polygonal shapes.
[0035] Further, according to the present embodiment, each radiation
fin 76 has two retaining holes 761 correspondingly to each other,
and the base frame 752 of the heat sink 75 has two upright
retaining rods 751. Therefore, each radiation fin 76 can use the
retaining holes 761 to mount on the upright retaining rods 751 of
the base frame 752 of the heat sink 75 respectively.
[0036] Although the present invention has been explained in
relation to its preferred embodiments, it is to be understood that
many other possible modifications and variations can be made
without departing from the spirit and scope of the invention as
hereinafter claimed.
* * * * *