CN105782081B - Heat radiation fan - Google Patents
Heat radiation fan Download PDFInfo
- Publication number
- CN105782081B CN105782081B CN201410781050.8A CN201410781050A CN105782081B CN 105782081 B CN105782081 B CN 105782081B CN 201410781050 A CN201410781050 A CN 201410781050A CN 105782081 B CN105782081 B CN 105782081B
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- metal base
- impeller
- fan
- peripheral wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005855 radiation Effects 0.000 title description 3
- 230000005291 magnetic effect Effects 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A heat dissipation fan comprises a fan frame, a stator and a fan wheel. The fan frame is provided with a metal base, and the metal base is provided with a shaft connecting part; the stator is combined with the fan frame; the fan wheel comprises a hub, a plurality of blades and a permanent magnet, wherein the hub is rotatably combined with the coupling part of the fan frame, the blades are combined with the peripheral wall of the outer side of the hub, and the permanent magnet is arranged on the peripheral wall of the inner side of the hub; the metal base is provided with a through part in the radial rotation range, and the through part is positioned outside the magnetic attraction range. The magnetic lines of force generated by the permanent magnet can be dispersed by the hollow part, so as to reduce the resistance when the fan wheel rotates.
Description
Technical field
The present invention relates to a kind of radiator fans, especially a kind of to be acted on by magnetic to stablize the radiation air of rotation
Fan.
Background technology
It please refers to shown in Fig. 1, existing radiator fan 9 substantially includes a metal base 91, a stator 92 and an impeller 93.It should
There is a central siphon 911 in 91 center of metal base；The stator 92 is incorporated into the outer perimeter wall of the central siphon 911；The impeller 93 includes a wheel
Hub 931 and a permanent magnet 932, the wheel hub 931 are rotatably engaged by a shaft 933 in the central siphon 911, the permanent magnet
932 are set to the inside peripheral wall of the wheel hub 931, and have an air gap between the permanent magnet 932 and the stator 92；Thereby, when
When 9 start of radiator fan, can input current to the stator 92, make the stator 92 can be driven by the air gap impeller 93 rotate
Start.It is wherein similar to the detailed construction composition and start principle of the known radiator fan 9, is to be exposed in TaiWan, China the
No. I447304 " fan frame base and the radiator fan with the fan frame base " patent of invention.
There is a radial rotation in the axial direction of the shaft 933 of above-mentioned impeller 93, between the wheel hub 931 and the metal base 91
Turn range D1, since the permanent magnet 932 is set to the inside peripheral wall of the wheel hub 931, which is located at should
In radial rotary range D1.There is a magnetic range D2, the permanent magnetic wherein between the permanent magnet 932 and the metal base 91
Iron 932 can promote the fan by the magnetic range D2 and the 91 mutual magnetic of metal base to be acted on using the magnetic of the two
Wheel 93 rotates smoothly.
However, please refer to shown in Fig. 2, since the metal base 91 has a magnetic conduction effect, produced by above-mentioned permanent magnet 932
Magnetic line of force M can make the magnetic line of force caused by permanent magnet 932 by the metal base 91 in the both sides of magnetic range D2
M more assembles, and therefore, causes the permanent magnet 932 and the axial magnetic attraction of the metal base 91 between the two excessive, excessive
Axial magnetic attraction is easy to increase instead the resistance when impeller 93 rotation, and then influences the operating quality of radiator fan.
Invention content
" hollow part " defined in full text below the present invention refers to the position that metal base fails magnetic corresponding with permanent magnet,
The hollow part can be such as open-work design, alternatively, also can be the open-work coated completely or partially by plastic cement material, the present invention be not added with
With limitation.
The present invention provides a kind of radiator fan, which makes the process that impeller rotates smoothly using magnetic effect
In, more can effectively avoid because magnetic attraction is excessive increase impeller rotation resistance.
In order to solve the above technical problems, the present invention provides a kind of radiator fan, including：One fan frame, the fan frame have one
A metal base, the metal base are set there are one axis part；One stator, the stator are incorporated into above-mentioned fan frame；An and fan
Wheel, the impeller include a wheel hub, several blades and a permanent magnet, which is rotatably engaged the axis in the fan frame and connects
Portion, several blades are incorporated into the outer perimeter wall of the wheel hub, which is set to the inside peripheral wall of the wheel hub, and this is permanent
There are one air gaps for tool between magnet and the stator；There are one radial rotaries for tool between the wherein described wheel hub and the metal base
Range, described to state between permanent magnet and the metal base tool there are one magnetic ranges, the metal base is in the radial rotary model
It is set in enclosing there are one hollow part, which is located at except the magnetic range.
In one embodiment of the present of invention, wherein the hollow part is several open-works.
In one embodiment of the present of invention, wherein the inside peripheral wall of several open-works is respectively provided with a lateral border, should
Lateral border is the inside peripheral wall of the open-work position farthest apart from the axis part, and the permanent magnet has towards the axis part
One medial surface, in the axial direction of the impeller, the medial surface of the permanent magnet trims the lateral border in the hollow part.
In one embodiment of the present of invention, wherein the metal base has toward a upper surface of the wheel hub,
The upper surface corresponds to tool in the radial rotary range, and there are one region areas, the distribution area of the hollow part to account for the region area
90 20 percent to percent.
In one embodiment of the present of invention, wherein the metal base is additionally provided with several auxiliary air inlet openings, the magnetic model
It encloses between the hollow part and the auxiliary air inlet opening.
In one embodiment of the present of invention, wherein the inside peripheral wall of several auxiliary air inlet openings is respectively provided in one
Lateral margin, the interior lateral margin are the inside peripheral wall of the auxiliary air inlet opening position nearest apart from the axis part, which is located at the diameter
To rotating range.
In one embodiment of the present of invention, wherein the permanent magnet has a lateral surface backwards to the axis part,
In the axial direction of the impeller, the lateral surface of the permanent magnet is trimmed in the interior lateral margin of the auxiliary air inlet opening.
The design of the hollow part of radiator fan of the present invention can be such that the magnetic line of force caused by above-mentioned permanent magnet more divides
It dissipates, to reduce the axial magnetic attraction between the permanent magnet and above-mentioned metal base, and then reduces resistance when impeller rotation,
Reach the effect of promoting smooth movements.
Description of the drawings
Fig. 1 is the assembled sectional view of existing radiator fan.
Fig. 2 is the partial sectional view of existing radiator fan.
Fig. 3 is the stereogram exploded view of radiator fan of the present invention.
Fig. 4 is the assembled sectional view of radiator fan of the present invention.
Fig. 5 is the partial sectional view of radiator fan of the present invention.
Fig. 6 is the schematic top plan view of radiator fan of the present invention.
Fig. 7 is the schematic top plan view that radiator fan of the present invention is additionally provided with auxiliary air inlet opening.
Fig. 8 is the partial sectional view that radiator fan of the present invention is additionally provided with auxiliary air inlet opening.
(present invention)
1 fan frame, 11 metal base, 111 upper surface
12 side wall part of lateral margin in 112 auxiliary air inlet openings 1121
121 air intake vent, 122 air outlet, 13 axis part
14 capping, 141 15 hollow parts of perforation
151 lateral border, 2 stator, 3 impeller
31 wheel hub, 32 blade, 33 permanent magnet
331 medial surface, 332 lateral surface D1 radial rotary ranges
The D2 magnetic range M1 magnetic line of force M2 magnetic lines of force
(existing)
9 radiator fan, 91 metal base, 911 central siphon
92 stator, 93 impeller, 931 wheel hub
932 permanent magnet, 933 rotating shaft D, 1 radial rotary range
The D2 magnetic range M magnetic lines of force.
Specific implementation mode
For above-mentioned and other purposes, feature and the advantage of the present invention can be clearer and more comprehensible, the reality of the present invention cited below particularly
Example is applied, and coordinates institute's accompanying drawings, detailed description are as follows.
It please refers to shown in Fig. 3 and Fig. 4, radiator fan of the present invention may include a fan frame 1, a stator 2 and an impeller 3.The fan
It is combined inside frame 1 for the stator 2 and the impeller 3 are accommodating, the stator 2 is driving the impeller 3 to rotate start.
There is above-mentioned fan frame 1 metal base 11 made of permeability magnetic material, the metal base 11 to be equipped with a side wall part 12
And an axis part 13, the side wall part 12 are equipped with an air intake vent 121 and an air outlet 122；Wherein the fan frame 1 can be can be for above-mentioned
Stator 2 and the accommodating various hollow frame structures of different shapes combined of above-mentioned impeller 3, and the axis part 13 can be metal central siphon
Or plastic cement central siphon, the present invention do not limit.In the present embodiment, which can additionally comprise a capping 14, which is equipped with one
Perforation 141, and the capping 14 can be combined in the air intake vent 121 of the side wall part 12, which is connected to via the air intake vent 121
To the inside of the metal base 11, to prevent the component being assembled in inside the fan frame 1 from deviating from using the capping 14.
Said stator 2 is incorporated into above-mentioned fan frame 1, which may be selected the axis part 13 for being incorporated into the fan frame 1 or the metal
The surface of pedestal 11, the present invention do not limit.In the present embodiment, which is sheathed on the periphery of the axis part 13 of the fan frame 1
Wall, the wherein stator 2 are the various structure designs that the impeller 3 can be driven to rotate.
Above-mentioned impeller 3 include a wheel hub 31, several blades 32 and a permanent magnet 33, the wheel hub 31 be rotatably engaged in
The axis part 13 of above-mentioned fan frame 1, several blades 32 are incorporated into the outer perimeter wall of the wheel hub 31, which is set to this
The inside peripheral wall of wheel hub 31, and there is an air gap between the permanent magnet 33 and said stator 2.
Also, in the axial direction of above-mentioned impeller 3, there is a radial rotary range between the wheel hub 31 and the metal base 11
D1, the permanent magnet 33 are located in radial rotary range D1.Wherein have between the permanent magnet 33 and the metal base 11
One magnetic range D2.Whereby, the metal base 11 in radial rotary range D1 be equipped with a hollow part 15, the hollow part 15
Except magnetic range D2.
When radiator fan start of the present invention, input current to said stator 2, make the stator 2 can by with above-mentioned permanent magnetic
Air gap between iron 33 generates alternating magnetic field, to drive above-mentioned impeller 3 to rotate start；Wherein by the permanent magnet 33 with it is upper
The magnetic range D2 between metal base 11, the permanent magnet 33 and the 11 mutual magnetic of metal base are stated, to promote the impeller 3
It rotates smoothly.
It please refers to shown in Fig. 5, is acted on by the magnetic conduction of above-mentioned metal base 11, the magnetic caused by the above-mentioned permanent magnet 33
Line of force M1, M2 by the metal base 11 when the opposite sides of magnetic range D2, since the metal base 11 is in the magnetic
The side of range D2 is equipped with the hollow part 15, and therefore, which is compared by the magnetic line of force M1 of 15 side of hollow part
Can more it be disperseed by being not provided with the magnetic line of force M2 of the side of the hollow part 15 in the permanent magnet 33, whereby, the present invention can profit
With the hollow part 15 to prevent the permanent magnet 33 and the axial magnetic attraction of the metal base 11 between the two excessive, and then reduce
Resistance when above-mentioned impeller 3 rotates, with the operating quality of heat radiation fan；In addition, by the design of the hollow part 15, although
The axial magnetic attraction between the permanent magnet 33 and the metal base 11 can be reduced, but still be unlikely to influence the permanent magnet 33 with
Magnetic effect between the metal base 11, therefore the impeller 3 can equally be promoted to rotate smoothly.
Also, please referring to shown in Fig. 4 and Fig. 5, above-mentioned hollow part 15 can be several open-works, the inside peripheral wall of several open-works
It is respectively provided with a lateral border 151, which is the inside peripheral wall of the open-work position farthest apart from the axis part 13, on
Permanent magnet 33 is stated then with the medial surface 331 towards the axis part 13, in the axial direction of above-mentioned impeller 3, the permanent magnet
33 medial surface 331 preferably trims the lateral border 151 in the hollow part 15；Whereby, the permanent magnet 33 is made to pass through the hollow part
The magnetic line of force M1 of 15 sides can more disperse, further to reduce the resistance when impeller 3 rotation.
Also, please refer to shown in Fig. 6, above-mentioned metal base 11 has toward a upper surface 111 of above-mentioned wheel hub 31, on this
Surface 111, which corresponds to, has a region area in radial rotary range D1（It is located within the scope of the axis projection of wheel hub 31
Area, and include hollow part 15）, the distribution area of the hollow part 15 preferably accounts for ten to percent 2 the percent of the region area
90；It whereby, can be into one based on ensuring have outside required magnetic effect between above-mentioned permanent magnet 33 and the metal base 11
Step is using the hollow part 15 to efficiently reduce resistance when above-mentioned impeller 3 rotates.
Also, referring again to shown in Fig. 7 and Fig. 8, above-mentioned metal base 11 can be equipped with several auxiliary air inlet openings 112, it is above-mentioned forever
Long magnetic range D2 between magnet 33 and the metal base 11 be preferably located at above-mentioned hollow part 15 and the auxiliary air inlet opening 112 it
Between；Whereby, due to the metal base 11 in opposite two sides of magnetic range D2 be respectively equipped with the hollow part 15 and the auxiliary into
Air port 112（It can be considered another hollow part）, therefore, make the permanent magnet 33 by the magnetic line of force M1 of bis- sides magnetic range D2,
M2 can more disperse, more effectively to reduce the resistance when impeller 3 rotation.Wherein several auxiliary air inlet openings 112 can be with
Selection is located at except radial rotary range D1；Alternatively, the inside peripheral wall of several auxiliary air inlet openings 112 is respectively provided with an inside
Edge 1121, the interior lateral margin 1121 be the auxiliary air inlet opening 112 inside peripheral wall apart from the 13 immediate position of axis part, and should
Interior lateral margin 1121 is preferably located in radial rotary range D1；Whereby, which then has backwards to the axis part 13
One lateral surface 332, in the axial direction of above-mentioned impeller 3, the lateral surface 332 of the permanent magnet 33 can preferably be trimmed in the auxiliary air inlet
The interior lateral margin 1121 of mouth 112；Whereby, make the permanent magnet 33 can be more by the magnetic line of force M2 of 112 side of auxiliary air inlet opening
Dispersion, further to reduce the resistance when impeller 3 rotation.
In conclusion design of the radiator fan of the present invention by above-mentioned hollow part, can make above-mentioned permanent magnet 33 really
The generated magnetic line of force M1, M2 more disperse, to reduce the axial magnetic between the permanent magnet 33 and above-mentioned metal base 11
Power, and then the resistance when impeller 3 rotation is reduced, reach the effect of promoting smooth movements.
Although the present invention has utilized above-mentioned preferred embodiment to disclose, so it is not limited to this creation, any to be familiar with this
Those skilled in the art is not departing within spirit and scope of the invention, and opposite above-described embodiment carries out various changes and still belongs to the present invention with modification
The technology scope protected, therefore protection scope of the present invention should be defined by the scope of the appended claims.
Claims (5)
1. a kind of radiator fan, including：
One fan frame, for fan frame tool there are one metal base, which sets that there are one axis parts；One stator, the stator
It is incorporated into the fan frame；And an impeller, the impeller include a wheel hub, multiple blades and a permanent magnet, which can
It is rotatably incorporated into the axis part of the fan frame, multiple blade is incorporated into the outer perimeter wall of the wheel hub, which is set to
The inside peripheral wall of the wheel hub, and there are one air gaps for tool between the permanent magnet and the stator；The wherein described wheel hub and the gold
There are one radial rotary ranges for tool between belonging to pedestal, magnetic range there are one tools between the permanent magnet and the metal base,
The metal base within the scope of the radial rotary in setting there are one hollow part, which is located at except the magnetic range, feature
It is, the hollow part is multiple open-works, and the inside peripheral wall of the multiple open-work is respectively provided with a lateral border, which is
The inside peripheral wall of the open-work position farthest apart from the axis part, the permanent magnet have an inside towards the axis part
Face, in the axial direction of the impeller, the medial surface of the permanent magnet trims the lateral border in the hollow part.
2. radiator fan as described in claim 1, which is characterized in that wherein, the metal base has toward the wheel
One upper surface of hub, which corresponds to tool in the radial rotary range, and there are one region area, the distributions of the hollow part
Area accounts for 90 20 the percent to percent of the region area.
3. radiator fan as described in claim 1, which is characterized in that wherein, the metal base be additionally provided with it is multiple assist into
Air port, the magnetic range is between the hollow part and the auxiliary air inlet opening.
4. radiator fan as claimed in claim 3, which is characterized in that wherein, the inside peripheral wall of the multiple auxiliary air inlet opening
It is respectively provided with an interior lateral margin, which is the inside peripheral wall of the auxiliary air inlet opening position nearest apart from the axis part, should
Interior lateral margin is located at the radial rotary range.
5. radiator fan as claimed in claim 4, which is characterized in that wherein, the permanent magnet has backwards to the axis part
A lateral surface, in the axial direction of the impeller, the lateral surface of the permanent magnet is trimmed in the inside of the auxiliary air inlet opening
Edge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103142828 | 2014-12-09 | ||
| TW103142828A TWI537479B (en) | 2014-12-09 | 2014-12-09 | Dissipating fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782081A CN105782081A (en) | 2016-07-20 |
| CN105782081B true CN105782081B (en) | 2018-09-14 |
Family
ID=53327942
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799389.6U Withdrawn - After Issue CN204371718U (en) | 2014-12-09 | 2014-12-16 | Heat radiation fan |
| CN201410781050.8A Active CN105782081B (en) | 2014-12-09 | 2014-12-16 | Heat radiation fan |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799389.6U Withdrawn - After Issue CN204371718U (en) | 2014-12-09 | 2014-12-16 | Heat radiation fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN204371718U (en) |
| TW (1) | TWI537479B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI537479B (en) * | 2014-12-09 | 2016-06-11 | 建準電機工業股份有限公司 | Dissipating fan |
| CN107327389A (en) * | 2017-07-31 | 2017-11-07 | 无锡双翼汽车环保科技有限公司 | Air-flow point injection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203412788U (en) * | 2013-06-19 | 2014-01-29 | 建准电机工业股份有限公司 | Heat radiation fan with balance function |
| CN203453139U (en) * | 2013-08-01 | 2014-02-26 | 李明烈 | Fan with fan wheel pressed down by magnetic attraction |
| CN103973044A (en) * | 2013-01-24 | 2014-08-06 | 建准电机工业股份有限公司 | Motor easy to start and base thereof |
| CN204371718U (en) * | 2014-12-09 | 2015-06-03 | 建准电机工业股份有限公司 | Heat radiation fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI329403B (en) * | 2005-04-19 | 2010-08-21 | Sunonwealth Electr Mach Ind Co | Rotor balance structure for motor |
| US7868493B2 (en) * | 2009-04-13 | 2011-01-11 | Sunonwealth Electric Machine Industry Co., Ltd | Motor having rotation balancing member |
-
2014
- 2014-12-09 TW TW103142828A patent/TWI537479B/en active
- 2014-12-16 CN CN201420799389.6U patent/CN204371718U/en not_active Withdrawn - After Issue
- 2014-12-16 CN CN201410781050.8A patent/CN105782081B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103973044A (en) * | 2013-01-24 | 2014-08-06 | 建准电机工业股份有限公司 | Motor easy to start and base thereof |
| CN203412788U (en) * | 2013-06-19 | 2014-01-29 | 建准电机工业股份有限公司 | Heat radiation fan with balance function |
| CN203453139U (en) * | 2013-08-01 | 2014-02-26 | 李明烈 | Fan with fan wheel pressed down by magnetic attraction |
| CN204371718U (en) * | 2014-12-09 | 2015-06-03 | 建准电机工业股份有限公司 | Heat radiation fan |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI537479B (en) | 2016-06-11 |
| CN105782081A (en) | 2016-07-20 |
| TW201621174A (en) | 2016-06-16 |
| CN204371718U (en) | 2015-06-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Applicant after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Applicant before: Jianzhun Electric Motor Industry Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |