U.S. patent application number 14/067310 was filed with the patent office on 2015-04-30 for electrostatic air-cooled heat sink.
This patent application is currently assigned to FORCECON TECHNOLOGY CO., LTD.. The applicant listed for this patent is Jhong-Yan Chang, Sin-Wei He, Chih-Ren Huang. Invention is credited to Jhong-Yan Chang, Sin-Wei He, Chih-Ren Huang.
Application Number | 20150114608 14/067310 |
Document ID | / |
Family ID | 52994091 |
Filed Date | 2015-04-30 |
United States Patent
Application |
20150114608 |
Kind Code |
A1 |
He; Sin-Wei ; et
al. |
April 30, 2015 |
ELECTROSTATIC AIR-COOLED HEAT SINK
Abstract
An electrostatic air-cooled heat sink has a frame, a power
controller, a sharp electrode with a sharp electrode portion, a
through-hole, a guide frame, a half-bowl blunt electrode assembly
and flow-through portion. The electrostatic air-cooled heat sink
features a simple and lightweight structure, making it suitable for
mass production and beat radiation with better applicability and
industrial benefits.
Inventors: |
He; Sin-Wei; (Jhudong
Township, TW) ; Chang; Jhong-Yan; (Hsinchu City,
TW) ; Huang; Chih-Ren; (Kaohsiung City, TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
He; Sin-Wei
Chang; Jhong-Yan
Huang; Chih-Ren |
Jhudong Township
Hsinchu City
Kaohsiung City |
|
TW
TW
TW |
|
|
Assignee: |
FORCECON TECHNOLOGY CO.,
LTD.
Zhubei City
TW
|
Family ID: |
52994091 |
Appl. No.: |
14/067310 |
Filed: |
October 30, 2013 |
Current U.S.
Class: |
165/104.34 ;
165/109.1 |
Current CPC
Class: |
H01L 2924/0002 20130101;
F24F 3/166 20130101; F28F 13/16 20130101; H01L 23/467 20130101;
F24F 5/0007 20130101; F04D 33/00 20130101; F28F 2250/08 20130101;
H01L 2924/00 20130101; H01L 2924/0002 20130101 |
Class at
Publication: |
165/104.34 ;
165/109.1 |
International
Class: |
F28F 13/16 20060101
F28F013/16 |
Claims
1. An electrostatic air-cooled heat sink comprising: a frame, made
of solid insulating materials to form a hollow framework,
comprising of a first opening, a second opening, and a holding
space located between the first and second openings; a power
controller, assembled onto the frame for controlling the power
supply state; a sharp electrode (corona electrode), made of
conducting materials and integrally located at the first opening of
the frame; said sharp electrode is provided with at least a sharp
electrode portion, which is folded and protruded towards the
holding space; a first power feed portion is set on the sharp
electrode and electrically connected with the power controller; at
least a through-hole, formed correspondingly to the sharp electrode
portions of the sharp electrode; and ribs are formed at periphery
of said through-hole; a guide frame, assembled into the holding
space of the frame; made of conducting materials, the guide frame
is provided with guide plates arranged at interval; a guide channel
is formed between the guide plates, and both ends of the guide
channels are oriented separately towards the first and second
openings; one end of the guide channel facing the first opening is
located opposite to the sharp electrode portion of the sharp
electrode; insulating configuration between the guide frame and
sharp electrode is required; a second power feed portion is set
onto the guide frame and electrically connected with the power
controller; a half-bowl blunt electrode assembly, set onto the
guide plate of the guide frame in a manner that at least a
half-bowl blunt electrode unit is integrally formed at one end of
the guide plate facing the first opening, and the other half-bowl
blunt electrode unit is formed correspondingly to the guide plate;
so said half-bowl blunt electrode assembly comprise of these two
half-bowl blunt electrode units set at interval; a flow-through
portion, formed by a space set between two half-bowl blunt
electrode units; and said flow-through portion must be connected
with the guide channel between the guide plates as well as the
through-hole formed by the sharp electrode; of which, the end of
the sharp electrode portion formed by the sharp electrode is
located correspondingly to the center of the half-bowl blunt
electrode assembly, and a spacing is kept between two half-bowl
blunt electrode units.
2. The device defined, in claim 1, wherein said sharp electrode is
made of a metal plate, and the sharp electrode portion is made of a
triangular plate formed by partially punching into a folding
pattern.
3. The device defined in claim 1, wherein said sharp electrode is
of a plate-like metal mesh pattern, and the sharp electrode portion
is of a spike structure formed by folding of the metal mesh
unit.
4. The device defined in claim 2, wherein the through-holes formed
by the sharp electrode are of a square or rectangular pattern,
while the ribs are of a pigsty or mesh pattern.
5. The device defined in claim 4, wherein the first power feed
portion on the sharp electrode and the second power feed portion on
the guide frame are of a flanged pattern, and also protruded
laterally at opposite position.
6. The device defined in claim 5, wherein said electrostatic
air-cooled heat sink is arranged close to an existing heating
source or thermal conductive device, so as to yield air exhaust and
heat radiation effect without need of exhaust fan.
Description
CROSS-REFERENCE TO RELATED U.S. APPLICATIONS
[0001] Not applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
[0002] Not applicable.
NAMES OF PARTIES TO A JOINT RESEARCH AGREEMENT Not applicable.
REFERENCE TO AN APPENDIX SUBMITTED ON COMPACT DISC
[0003] Not applicable.
BACKGROUND OF THE INVENTION
[0004] 1. Field of the Invention
[0005] The present invention relates generally to a heat sink, and
more particularly to an innovative electrostatic air-cooled beat
sink.
[0006] 2. Description of Related Art including Information
Disclosed Under 37 CFR 1.97 and 37 CFR 1.98
[0007] Currently, the common heat sink is operated in a manner
wherein a mechanical fan is rotated to generate air flow. for heat
radiation, or a heat tube with phase-change working liquid is used
for heat radiation. Moreover, electrostatic air is used to generate
air flow for heat radiation. According to the operating principle
of such a heat sink, one or multiple sharp electrodes (or corona
electrodes) and blunt electrodes (or neutral electrodes) are
arranged correspondingly on the structure, The electric field
generated by said sharp and blunt electrodes will lead to crash of
a part of air flow dose to the sharp electrodes, which is generally
referred to as corona discharge. In case of a corona discharge,
ions may be generated and attracted to the blunt electrodes. In
this process, the collision of the icons and neutral air molecules
will generate air flow similar to that caused by a mechanical fan,
so heat radiation effect could be yielded through channeling of air
flow. Improvement of the present invention is thus made on such an
electrostatic air-cooled heat sink structure.
[0008] Thus, to overcome the aforementioned problems oldie prior
art, it would be an advancement if the art to provide an improved
structure that can significantly improve the efficacy.
[0009] Therefore, the inventor has provided the present invention
of practicability after deliberate design and evaluation based on
years of experience in the production, development and design of
related products.
BRIEF SUMMARY OF THE INVENTION
[0010] The present invention comprises: a frame, power controller,
sharp electrode with sharp electrode portion, through-hole, guide
frame, half-howl blunt electrode assembly and flow-through portion,
the electrostatic air-cooled heat sink features simple and
lightweight structure, making it suitable for mass production and
beat radiation with better applicability and industrial
benefits.
[0011] Although the invention has been explained in relation to its
preferred embodiment, 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.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
[0012] FIG. 1 is an assembled perspective view of the preferred
embodiment of the present invention.
[0013] FIG. 2 is an exploded perspective view of the preferred
embodiment of the present invention.
[0014] FIG. 3 is an exploded sectional view of the preferred
embodiment of the present invention.
[0015] FIG. 4 is an assembled sectional view of the preferred
embodiment of the present invention.
[0016] FIG. 5 is another assembled sectional view of the preferred
embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
[0017] FIGS. 1-5 depict preferred embodiments of the electrostatic
air-cooled heat sink of the present invention, which, however, are
provided for only explanatory objective for patent claims.
[0018] Said electrostatic air-cooled heat sink A includes a frame
10, made of solid insulating materials (e.g. plastics) to form a
hollow framework, comprising of a first opening 11, a second
opening 12 and a holding space 13 located between the first opening
11 and second opening 12.
[0019] A power controller 20 is assembled onto the frame 10 for
controlling the power supply state.
[0020] A sharp electrode 30 is made of conducting materials and
integrally located at the first opening 11 of the frame 10. Said
sharp electrode 30 is provided with at least a sharp electrode
portion 31, which is folded and protruded towards the holding space
13. A first power feed portion 32 is set on the sharp electrode 30
and electrically connected with the power controller 20.
[0021] At least one through-hole 33 is formed correspondingly to
the sharp electrode portions 31 of the sharp electrode 30. Ribs 34
are formed at periphery of said through-hole 33.
[0022] A guide frame 40 is assembled into the holding space 13 of
the frame 10. Made of conducting materials, the guide frame 40 is
provided with guide plates 41 arranged at interval. A guide channel
42 is formed between the guide plates 41, and both ends of the
guide channels 42 are oriented separately towards the first opening
11 and second opening 12 of the frame 10. One end of the guide
channel 42 facing the first opening 11 is located opposite to the
sharp electrode portion 31 of the sharp electrode 30. Moreover,
insulating configuration between the guide frame 40 and sharp
electrode 30 is required. Besides, a second power feed portion 43
is set onto the guide frame 40 (only marked in FIG. 2) and
electrically connected with the power controller 20.
[0023] A half-howl blunt electrode assembly 50 is set onto the
guide plate 41 of the guide frame 40 in a manner that at least a
half-bowl blunt electrode unit 51 is integrally formed at one end
of the guide plate 41 facing the first opening 11, and the other
half-bowl blunt electrode unit 52 is formed correspondingly to the
guide plate 41. So, said half-bowl blunt electrode assembly 50
consist of these two half-bowl blunt electrode units 51, 52 set at
interval.
[0024] A flow-through portion 53 is formed by a space set between
two half-bowl blunt electrode units 51, 52. Said flow-through
portion 53 must be connected with the guide channel 42 between the
guide plates 41 as well as the through-hole 33 formed by the sharp
electrode 30.
[0025] Of which, the end of the sharp electrode portion 31 formed
by the sharp electrode 30 is located correspondingly to the center
of the half-bowl blunt electrode assembly 50, and a spacing is kept
between two half-bowl blunt electrode units 51, 52 (indicated by
arrow L1 in FIG. 5).
[0026] Of which, the first power feed portion 32 on the sharp
electrode 30 and the second power feed portion 43 on the guide
frame 40 are of a flanged pattern, and also protruded laterally at
opposite position (e.g. left and tight sides).
[0027] Referring to FIGS. 1 and 2, the sharp electrode 30 is made
of metal plate, and sharp electrode portion 31 is made of a
triangular plate formed by partially punching into a folding
pattern. Besides, the sharp electrode is of a plate-like metal mesh
pattern, and the sharp electrode portion is of a spike structure
formed by folding of the metal mesh unit (note: drawing omitted
hereto).
[0028] Referring to FIGS. 1 and 2, the through-holes 33 formed by
the sharp electrode 30 are of a square or rectangular pattern,
while the ribs 34 are of a pigsty or mesh pattern.
[0029] Of which, the electrostatic air-cooled heat sink A is
arranged dose to an existing heating source (e.g. CPU) or thermal
conductive device (e.g. soaking plate and heat tube), so as to
yield air exhaust and heat radiation effect without need of exhaust
fan.
[0030] Based on above-specified structural design, the
electrostatic air-cooled heat sink A of the present invention is
operated as shown in FIG. 5, wherein the sharp electrode portion 31
of sharp electrode 30 and half-bowl blunt electrode assembly 50 on
the guide plate 41 of the guide frame 40 are in an energized state
with the help of power controller 20. In such a case, the electric
field generated by the sharp electrode portion 31 and half-bowl
blunt electrode assembly 50 will lead to crash of some air close to
the sharp electrode portion 31 (indicated by arrow L2). The
electric discharge will generate ions, which will be absorbed to
the blunt electrodes (indicated by arrow L3). In this process, air
flow will be generated by the collision between ions and neutral
air molecules similar to the effect of mechanical fan (indicated by
arrow L4). Then, the air flow can be discharged along the guide
channel 42 formed between the guide plates 41 of the guide flame
40. When air in the guide channel 42 is discharged, a suction force
will be generated. In such a case, the through-hole 33 opened on
the sharp electrode 30 can absorb external air into the guide
channel 42 (indicated by arrow L5), bringing about air discharge
and heat radiation effect (note: either the electric discharge or
air flow state is indicated by arrow in FIG. 5, but in fact either
one is operated simultaneously). Hence, if the electrostatic
air-cooled heat sink A of the present invention is installed onto
the wall of an equipment requiring for heat radiation, a cooling
structure without mechanical fan and heat tube could be realized.
As compared with prior art, the sharp electrode 30 of the
electrostatic air-cooled heat sink of the present invention could
be made by punching of individual metal plates or by metal meshes.
Moreover, the guide frame 40, guide plate 41, half-bowl blunt
electrode assembly 50 and flow-through portion 53 can be fabricated
rapidly by folding, punching and welding of the metal plates, while
the frame 10 can be made rapidly by injection molding of plastics.
It is thus learnt that, the electrostatic air-cooled heat sink A of
the present invention of a simple structure is particularly
suitable for mass production and cost reduction, and the plate-like
structure is of a satisfactory lightweight structure. As for the
guided air exhaust effect, since the half-bowl blunt electrode
assembly 50 is directly assembled onto the guide plate 41 of the
guide frame 40, the flow-through portion 53 formed by the space
between two half-bowl blunt electrode units 51, 52 is connected to
the guide channel 42 between the guide plates 41 as well as the
through-hole 33 formed by the sharp electrode 30. Hence, air flow
channel is straight and smooth, and air flow can reach optimum
efficiency and flow status for better heat radiation effect.
* * * * *