CN101307769B - Fan and fan component - Google Patents
Fan and fan component Download PDFInfo
- Publication number
- CN101307769B CN101307769B CN 200710102578 CN200710102578A CN101307769B CN 101307769 B CN101307769 B CN 101307769B CN 200710102578 CN200710102578 CN 200710102578 CN 200710102578 A CN200710102578 A CN 200710102578A CN 101307769 B CN101307769 B CN 101307769B
- Authority
- CN
- China
- Prior art keywords
- fan
- connection piece
- circuit board
- fan frame
- frame
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan, comprising an impeller, a motor, a circuit board, a fan frame and a coupling piece. The motor is used for driving the impeller to rotate, the circuit board is electrically connected with the motor, the fan frame accommodates the impeller and the motor, the coupling piece is positioned on one side of the fan frame, and the circuit board is positioned between the coupling piece and the fan frame. As the circuit board is positioned on the outer side face of the fan frame, the circuit board can not affect the direction of airflow, which avoids turbulence and swirl and consequently improve the efficiency of the fan. In addition, as the circuit board is positioned outside the fan frame, the area of the circuit board can be increased, the quantity or volume of an electronic component positioned on the circuit board is not subject to limitation, and the structural design is more flexible.
Description
Technical field
The present invention relates to a kind of fan and fan component, relate in particular to a kind of fan and fan component that improves circuit board arrangement.
Background technique
Function and motion speed raising along with electronic product, the heat energy that electronic product produces when operation also increases relatively, normally moves in order to keep electronic product, and prior art utilizes fan as sink, by means of the air-flow forced heat radiation, make electronic product keep normal working temperature.
Fig. 1 is the structural representation of existing fan.Existing fan 1 comprises impeller 11, motor 12 and fan frame 13, and impeller 11 and motor 12 are placed in the fan frame 13.Wherein, impeller 11 has wheel hub 111 and is connected in a plurality of flabellums 112 of wheel hub periphery, motor 12 comprises rotor structure 121, stator structure 122 and circuit board 123, rotor structure 121 links impeller 11, and rotor structure 121 and stator structure 122 corresponding settings, circuit board 123 is electrically connected to each other with stator structure 122.In addition, stator structure 122 comprises a plurality of magnetic pole of the stator 122a, and the current direction that utilizes circuit board 123 to drive magnetic pole of the stator 122a rotates rotor structure 121, and then impeller 11 rotations.
Owing to now the usefulness of electronic product and microminiaturized demand are constantly increased, therefore, the demand of heat radiation also increases relatively, Given this, how to improve fan usefulness and be all the time one of problem that industrial circle endeavours to solve.In the prior art, size by dwindling impeller or the rotating speed that improves fan improve the usefulness of fan, yet this kind design need follow larger electric current to rotate with drive motor usually, in other words, need quantity electronic component more or that volume is larger to come drive motor to rotate.In such cases, usually can cause the configuration space of circuit board 123 not apply use, therefore, must be convexly equipped with in the outer rim of circuit board 123 protruding handle 123a to increase the configuration space of electronic component on circuit board.Yet, because protruding handle 123a asymmetricly is arranged on the circuit board 123, and stretch out from the periphery of circuit board 123, thus, protruding handle 123a can affect flow direction and the flow of air-flow, and then produces turbulent flow (turbulence) or eddy current (vortex), and produces noise when making fan running, especially for the small size fan, this shortcoming is more obvious.
Therefore, providing a kind of fan that increases the space of circuit board and do not affect airflow stability is one of current important topic.
Summary of the invention
In view of top described, the purpose of this invention is to provide and a kind ofly can improve circuit board arrangement and do not affect airflow stability and can strengthen airflow path to improve fan and the fan component of fan usefulness.
For reaching above-mentioned or other purpose, fan provided by the invention comprises impeller, motor, circuit board, fan frame and connection piece.Motor rotates in order to drives impeller, and circuit board and motor are electrically connected, and the fan accommodating impeller of frame and motor, connection piece are arranged at a side of fan frame, and circuit board is arranged in the connection piece.
For reaching above-mentioned or other purpose, the present invention also provides a kind of fan component, and it comprises a plurality of fans and a connection piece, and each fan is connected to each other and arranged and couple each other.Wherein, each fan comprises impeller, motor, circuit board, fan frame and connection piece.Motor rotates in order to drives impeller, and circuit board and motor are electrically connected, and the fan accommodating impeller of frame and motor, connection piece are arranged at a side of fan frame, and circuit board is arranged in the connection piece.
In sum, according to fan of the present invention and fan component, circuit board is arranged at the outer side surface of fanning frame, that is, circuit board is not to be placed in the fan frame, and therefore, circuit board of the present invention can not affect the direction of air current flow.Compared with prior art, circuit board arrangement of the present invention can avoid producing turbulent flow and eddy current, and then can improve the usefulness of fan.In addition, because circuit board is arranged at outside the fan frame, therefore can strengthen board area, more unrestricted for the quantity that is arranged at the electronic component on the circuit board or volume demand, have more flexibility in structural design.
Description of drawings
For above and other objects of the present invention, feature and advantage are become apparent, preferred embodiment cited below particularly also is elaborated by reference to the accompanying drawings.
Fig. 1 is the structural representation of existing fan;
Fig. 2 is the fan structure schematic representation of first preferred embodiment of the invention;
Fig. 3 is the fan structure schematic representation of second preferred embodiment of the invention;
Fig. 4 is the structural representation of fan component of the present invention;
Fig. 5 is the structural representation of another fan component of the present invention.
Description of reference numerals
1,2,3 fans, 242 bases
4,5 fan components, 243 central siphons
11,21 impeller 243a axis holes
12 motors, 241 holding divisions
13,24,34,54 fan frames, 251 recesses
111,211 wheel hubs 26,36,46,56 connection pieces
112,212 flabellums, 260 bottoms
121,22 rotor structures, 261 sidewalls
122,23 stator structures, 246 slideways
123,25,35,45,55 circuit boards 263,341 radiation holes
122a, 231 magnetic pole of the stator, 362 openings
Protruding handle 361 grooves of 123a
221 rotating shafts 4,5 fan components
222 magnetic element D1 first directions
The D2 second direction
Embodiment
Fig. 2 is the fan structure schematic representation of first preferred embodiment of the invention.The fan 2 of present embodiment comprises impeller 21, motor and fan frame 24.Wherein, impeller 21 comprises wheel hub 211 and is located on a plurality of flabellums 212 of wheel hub 211 peripheries, motor comprises rotor structure 22 and stator structure 23, rotor structure 22 comprises rotating shaft 221 and magnetic element 222, rotating shaft 221 is linked to wheel hub 211, magnetic element 222 is arranged at the internal surface of wheel hub 211, and magnetic element 222 for example can be permanent magnet, electromagnet or magnetite.In addition, stator structure 23 comprises a plurality of magnetic pole of the stator 231, and magnetic pole of the stator 231 is formed by coil, the magnetic element 222 corresponding settings of magnetic pole of the stator 231 and rotor structure.
In addition, fan frame 24 has base 242 and central siphon 243.Wherein, base 242 is linked to fan frame 24, and central siphon 243 is arranged on the base 242 and has axis hole 243a, the rotating shaft 221 of rotor structure is arranged in the axis hole 243a, stator structure 23 is sheathed on the central siphon 243, and therefore, impeller 21, rotor structure 22 and stator structure 23 are placed in the fan frame 24.
Please continue to consult Fig. 2, the fan 2 of present embodiment also comprises the circuit board 25 that is arranged at the fan frame 24 periphery outsides.In the present embodiment, fan frame 24 has at least one holding division 241 that is arranged at the fan frame 24 periphery outsides, and holding division 241 for example can be projection, and circuit board has a plurality of recesses 251 that are arranged on the periphery, holding division 241 and recess 251 corresponding settings.The shape of the shape of recess 251 and holding division 241 is corresponding, and in more detail, the shape of recess 251 can design according to the shape of holding division.Therefore, circuit board 25 is by being arranged at the periphery outside of fan frame 24 with holding division 241 corresponding settings and being linked on the fan frame 24.In addition, circuit board 25 can be electrically connected with stator structure 23 by for example wire or winding displacement (not illustrating), to drive the magnetic pole of the stator 231 of stator structure.
Because the circuit board 25 of present embodiment is arranged at the outside of fan frame 24, therefore, only needing the circuit board that area is less to keep in fan frame 24 inside is arranged in the wheel hub 211, Hall (Hall) element for example, therefore circuit board 25 not only has enough spaces and disposes electronic component, also can overcome the stability that affects air current flow in the prior art and the defective of balance.
In addition, fan 2 of the present invention also comprises the outside that is arranged at fan frame 24 peripheries and the connection piece 26 that covers circuit board 25.In the present embodiment, connection piece 26 is lid, and its shape for example can be rectangle or arbitrary shape.Connection piece 26 has bottom 260 and the two side 261 that is connected with the bottom, connection piece 26 can by slidingly establish, the modes such as fixing or snap fit are linked on the fan frame 24, in other words, connection piece 26 is removable installed in to be fanned on the frame 24.In addition, the fan frame has at least two slideways 246 that are arranged at fan frame 24 peripheral corners, the sidewall 261 of connection piece and slideway 246 corresponding settings.When the connection piece 26 of present embodiment was slidedly arranged on the slideway 246 towards first direction D1, connection piece 26 was linked to fan frame 24 and is fixedly arranged on the side of fan frame.When the electronic component on the needs reparation circuit board 25 maybe needs to change circuit board 25, connection piece 26 can be broken away from towards second direction D2 slip and with slideway 246, with the connection relationship of removing connection piece 26 and fanning frame 24, and unload circuit board 25 so that circuit board 25 is repaired or changed.
For the effectively dissipation of heat energy that fan 2 is produced when moving, connection piece 26 has at least one and is arranged at radiation hole 263 on connection piece 26 bottoms, the hot type that radiation hole 263 produces in the time of can be with fan running is outside to fan, therefore can prevent the heat energy accumulation and affects the usefulness of fan 2.Need to prove, the holding division 241 of present embodiment is not restricted to the outside that is arranged at fan frame 24 peripheries, also holding division 241 can be arranged on the connection piece 26 and (not illustrate), thus, circuit board 25 is fixed and is carried on the connection piece 26 first, link by connection piece 26 and fan frame 24 again, and make circuit board 25 be arranged at the periphery outside of fan frame 24.
Fig. 3 is the structural representation of the fan 3 of second preferred embodiment of the invention.This embodiment's fan 3 is with above-described embodiment difference, the connection piece 36 of the fan of present embodiment be arranged at fan frame 34 a side and with fan frame 34 one-body molded making, in other words, connection piece 36 is integrated into solid memder with fan frame 34.In the present embodiment, connection piece 36 has at least one opening 362, is provided with groove 361 in the opening 362, circuit board 35 is inserted in the groove 361 via opening 362, therefore, the circuit board 35 of present embodiment can be slidedly arranged in the groove 361 of connection piece 36, and by connection piece 36 carryings.In addition, connection piece 36 has at least one and is configured in lip-deep radiation hole (not illustrating) with respect to the opening of connection piece, dispels the heat equably during for fan 3 running.
Fig. 4 is the structural representation of fan component of the present invention.Fan component 4 is made of a plurality of fans 2, and wherein each fan 2 is one another in series and arranges and interconnect.The quantity that consists of the fan of fan component is not limited to quantity shown in Figure 4, can decide according to actual demand.The 26S Proteasome Structure and Function of each fan 2 is similar to the first embodiment's fan, so do not repeat them here.
In this embodiment, the circuit board 45 of fan 2 can be integrated into solid memder, or each fan 2 can have respectively circuit board 45.The connection piece 46 of fan 2 can be integrated into solid memder, and certainly, fan 2 also can have respectively connection piece 46.Therefore, the connection piece 46 of the fan 2 of present embodiment can carry respectively the circuit board of each fan 2, or utilizes the circuit board 45 of the connection piece 46 carrying integration of integrating in the fan component 4.In addition, have a plurality of radiation holes 263 on the surface of connection piece, the hot type that is produced with fan running the time is to the outside of fan component 4.
Please refer to Fig. 5, Fig. 5 is the structural representation of another fan component 5 of the present invention.Fan component 5 is made of at least two fans 3, and the quantity of the fan 3 of formation fan component is not limited to shown in Figure 5, can decide according to actual demand.The 26S Proteasome Structure and Function of each fan 3 is similar to the second embodiment's fan, so do not repeat them here.Each fan 3 of fan component 5 has respectively connection piece 56; connection piece 56 has at least one opening 561; circuit board 35 with the carrying integration; and link whereby the fan frame 54 of two fans; the circuit board 55 of integration is arranged at after 56 assemblings of two connection pieces in the formed enclosed space, with protective circuit plate 55 and be arranged at electronic component on the circuit board 55.In addition, the fan component 5 of present embodiment has a plurality of another lip-deep radiation holes 341 that are arranged at respect to the opening of connection piece 56.
In sum, in fan provided by the present invention and fan component, circuit board is arranged at the outer side surface of fanning frame, that is, circuit board is not to be placed in the fan frame, and therefore, circuit board can not affect the air current flow direction.Compared with prior art, the configuration of circuit board of the present invention can avoid producing turbulent flow and eddy current, and then can improve the usefulness of fan.In addition, because circuit board is arranged at outside the fan frame, therefore can strengthen board area, more unrestricted for the quantity that is arranged at electronic component on the circuit board or volume demand, have more flexibility in structural design.
Although the above discloses the present invention by preferred embodiment; but this is not to be limitation of the present invention; the any person skilled in the art is under the prerequisite that does not exceed the spirit and scope of the present invention; can make some conversion and retouching; therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (22)
1. fan comprises:
One impeller and a motor, this motor is in order to drive described vane rotary;
One circuit board, it is electrically connected at described motor;
One fan frame, its accommodating described impeller and motor; And
One connection piece, it is arranged at a side of described fan frame, described circuit board between this connection piece and described fan frame,
Wherein, described connection piece is a lid, the structure that described connection piece and this fan frame are formed in one.
2. fan comprises:
One impeller and a motor, this motor is in order to drive described vane rotary;
One circuit board, it is electrically connected at described motor;
One fan frame, its accommodating described impeller and motor; And
One connection piece, it is arranged at a side of described fan frame, described circuit board between this connection piece and described fan frame,
Wherein, described connection piece is a lid, and described connection piece is removable installed on the described fan frame.
3. fan as claimed in claim 1 or 2, wherein, the shape of described lid comprises arbitrary shape.
4. fan as claimed in claim 2, wherein said connection piece by slidingly establish, the mode of fixing or snap fit is linked on the described fan frame.
5. fan as claimed in claim 1 or 2, wherein, described connection piece comprises a bottom and a plurality of sidewall that is connected with this bottom, and this bottom comprises at least one radiation hole, so that described fan cooling.
6. fan as claimed in claim 5, wherein, described fan frame comprises that at least one is arranged at the slideway of described fan frame periphery corner, the corresponding setting with this slideway of the sidewall of described connection piece.
7. fan as claimed in claim 2, wherein, described connection piece has an opening, and this opening disposes at least one groove, and described circuit board is inserted in this groove via described opening.
8. fan as claimed in claim 7, wherein, described connection piece comprises that at least one is configured in a lip-deep radiation hole with respect to the opening of this connection piece.
9. fan as claimed in claim 2, wherein, comprise that also at least one is arranged at the outside of described fan frame periphery or is arranged at holding division on the described connection piece, described circuit board has a plurality of recesses that are arranged on the periphery, the corresponding setting with described holding division of each of these recesses, and the shape of the shape of these recesses and described holding division is corresponding.
10. fan as claimed in claim 1 or 2, wherein, described circuit board is by the stator structure electric connection of a wire or a winding displacement and described motor.
11. a fan component comprises:
A plurality of fans, these fans are interconnected with one another, and described fan comprises the fan frame;
At least one circuit board, it is electrically connected at these fans; And
At least one connection piece, this connection piece are a lid, and it is arranged at a side of these fans, and described circuit board is arranged between the fan frame of described lid and described fan,
The structure that wherein said connection piece and this fan frame are formed in one.
12. a fan component comprises:
A plurality of fans, these fans are interconnected with one another, and described fan comprises the fan frame;
At least one circuit board, it is electrically connected at these fans; And
At least one connection piece, this connection piece are a lid, and it is arranged at a side of these fans, and described circuit board is arranged between the fan frame of described lid and described fan,
Wherein said connection piece is removable installed on the described fan frame.
13. such as claim 11 or 12 described fan components, wherein, the shape of described lid comprises arbitrary shape.
14. fan component as claimed in claim 12, wherein said connection piece by sliding establish, the mode of fixing or snap fit is linked to described fan frame.
15. such as claim 11 or 12 described fan components, wherein, described connection piece comprises a bottom and a plurality of sidewall that is connected with this bottom, this bottom comprises at least one radiation hole, so that described fan cooling.
16. fan component as claimed in claim 15, wherein, described fan frame comprises that at least one is arranged at the slideway of described fan frame periphery corner, the corresponding setting with this slideway of the sidewall of described connection piece.
17. fan component as claimed in claim 12, wherein, also comprise and at least onely be arranged at the outside of described fan frame periphery or be arranged at holding division on the described connection piece, described circuit board has a plurality of recesses that are arranged on the periphery, the corresponding setting with described holding division of each of these recesses, and the shape of these recesses is corresponding with the shape of described holding division.
18. fan component as claimed in claim 12, wherein, described connection piece has an opening, and this opening disposes at least one groove, and described circuit board is inserted in this groove via described opening.
19. fan component as claimed in claim 18, wherein, described connection piece comprises that at least one is disposed at a lip-deep radiation hole with respect to the opening of described connection piece.
20. such as claim 11 or 12 described fan components, wherein, described circuit board is electrically connected by a stator structure of a wire or a winding displacement and described motor, described fan is connected to be arranged and couples each other.
21. fan component as claimed in claim 12, wherein, described circuit board is the solid memder that is arranged between described connection piece and the described fan, and described connection piece is the solid memder that is arranged at a side of these fans, and described connection piece carries the circuit board of described solid memder.
22. such as claim 11 or 12 described fan components, wherein, each of these fans has respectively the described circuit board that is arranged between described connection piece and the described fan, and described each fan has respectively the described connection piece of a side that is arranged at each described fan, and the connection piece of described each fan carries respectively the circuit board of each described fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710102578 CN101307769B (en) | 2007-05-16 | 2007-05-16 | Fan and fan component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710102578 CN101307769B (en) | 2007-05-16 | 2007-05-16 | Fan and fan component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101307769A CN101307769A (en) | 2008-11-19 |
| CN101307769B true CN101307769B (en) | 2013-04-03 |
Family
ID=40124374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710102578 Active CN101307769B (en) | 2007-05-16 | 2007-05-16 | Fan and fan component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101307769B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468315A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Tilting fan |
| GB2468312A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly |
| RU2519886C2 (en) * | 2009-03-04 | 2014-06-20 | Дайсон Текнолоджи Лимитед | Fan |
| GB2468329A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly |
| EP2276933B1 (en) * | 2009-03-04 | 2011-06-08 | Dyson Technology Limited | A fan |
| GB2476171B (en) * | 2009-03-04 | 2011-09-07 | Dyson Technology Ltd | Tilting fan stand |
| GB2468323A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly |
| JP5739200B2 (en) * | 2010-04-20 | 2015-06-24 | 山洋電気株式会社 | Blower |
| TWI458424B (en) | 2010-05-28 | 2014-10-21 | Ind Tech Res Inst | Micro heat dissipating fan |
| CN102287384B (en) * | 2010-06-17 | 2016-05-04 | 财团法人工业技术研究院 | Minitype radiating fan |
| CN102797709A (en) * | 2011-05-26 | 2012-11-28 | 任文华 | Fan |
| CN104806544A (en) * | 2014-01-24 | 2015-07-29 | 深圳兴奇宏科技有限公司 | Cascaded fan structure |
| CN105485031B (en) * | 2014-10-07 | 2018-06-01 | 日本电产株式会社 | Fan |
| CN115296502B (en) * | 2022-10-08 | 2022-12-16 | 成都奇航系统集成有限公司 | Fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422052A (en) * | 2001-11-26 | 2003-06-04 | 明基电通股份有限公司 | Portable telephone set with replaceable casing and its assembling process |
| CN1641476A (en) * | 2004-01-08 | 2005-07-20 | 台达电子工业股份有限公司 | Radiating module |
| US20060262499A1 (en) * | 2005-05-19 | 2006-11-23 | Vinson Wade D | Cooling fan with external circuit board |
-
2007
- 2007-05-16 CN CN 200710102578 patent/CN101307769B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422052A (en) * | 2001-11-26 | 2003-06-04 | 明基电通股份有限公司 | Portable telephone set with replaceable casing and its assembling process |
| CN1641476A (en) * | 2004-01-08 | 2005-07-20 | 台达电子工业股份有限公司 | Radiating module |
| US20060262499A1 (en) * | 2005-05-19 | 2006-11-23 | Vinson Wade D | Cooling fan with external circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101307769A (en) | 2008-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101307769B (en) | Fan and fan component | |
| CN101175922B (en) | Cooling fan with external circuit board | |
| US7345386B2 (en) | Electric drive unit | |
| US7800263B2 (en) | Heat dissipating fan | |
| CN202483908U (en) | horizontal convection fan | |
| CN101523701A (en) | Fan motor | |
| AU2016222500A1 (en) | Peripheral drive centrifugal fan | |
| US20090180901A1 (en) | Fan and inner rotor motor thereof | |
| JP3968084B2 (en) | Heat dissipation device and motor structure thereof | |
| CN215344183U (en) | Stable efficient YE4 type three-phase asynchronous motor of winding heat dissipation | |
| CN104314844A (en) | Passive fan | |
| CN101201057A (en) | Thermal fan for electronic chips | |
| CN101509497A (en) | Radiator fan | |
| CN101487478B (en) | Fan and its inner rotor motor | |
| CN203114668U (en) | Mini-type cooling fan and coil substrate thereof | |
| CN106481586B (en) | Axial induction motor fan | |
| CN102207096B (en) | Radiating fan | |
| JP5484586B2 (en) | Fan motor and air conditioner equipped with the same | |
| KR101269886B1 (en) | Turbo machine | |
| CN201730842U (en) | Fan | |
| CN201180684Y (en) | Radiator fan | |
| CN201068873Y (en) | Electronic chip heat radiating fan | |
| JP2003193994A (en) | Fan device for cooling and waste heat | |
| CN103835966A (en) | Centrifugal heat radiation fan | |
| CN102536858B (en) | Fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |