CN101101007B - Fan with vibration function - Google Patents
Fan with vibration function Download PDFInfo
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- CN101101007B CN101101007B CN200610101162A CN200610101162A CN101101007B CN 101101007 B CN101101007 B CN 101101007B CN 200610101162 A CN200610101162 A CN 200610101162A CN 200610101162 A CN200610101162 A CN 200610101162A CN 101101007 B CN101101007 B CN 101101007B
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- fan
- dragging track
- mover
- stator
- impeller
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Abstract
This invention discloses a fan, which is composed of ventilation device and vibration generating device. Ventilation device includes fan frame, blade and driving mechanism. The blade wheel and driving mechanism are all set in fan frame. The driving mechanism connects to blade wheel and drives it. Vibration generating device is arranged on blade wheel and composed of at least one stator, at least one movable unit and at least one sliding track. The stator is fixed on sliding track. The movable unit can move along the sliding track in order to give vibration generating device vibration reminding function. This invention mixes the vibration principle of motor into air inlet fan structure design. It is adapted for the requirement of portability and miniaturization.
Description
Technical field
The present invention relates to a kind of fan, relate in particular to a kind of small volume fan that has the tool vibration function of vibration reminding and heat sinking function simultaneously.
Background technique
Take a broad view of the design of existing mobile phone products, the vibration reminding function has become the common configuration of mobile phone products, so in the numerous auxiliary spare part of mobile phone, vibrating motor has become indispensable component.
Moreover, along with improving constantly of mobile phone products usefulness, sink or radiation system have become one of indispensable outfit in the existing electronic equipment, because if the heat energy that electronic equipment produced is not in addition suitably dissipation, gently then cause the usefulness variation, heavy then can cause electronic equipment to burn.Sink is for micromodule (intergrated circuit for example, integrated circuits) more important, because along with the increase of integration and the progress of encapsulation technology, make the area of intergrated circuit constantly dwindle, simultaneously the heat energy accumulated of per unit area is also higher relatively, so the sink of high heat dissipation efficiency is the positive object of researching and developing of electronic industry circle institute always.
In order to solve the problem of electronic element radiating, general consideration is that some cooling mechanisms are installed additional in portion within it, for example installs heat pipe or radiating fin etc. additional.But this practice not only makes whole shared volume increase, and gains in weight, and can not satisfy compact lighting demand.Perhaps, the another kind of practice is to improve at the case material of mobile phone, for example use the material of good heat dispersion performance such as aluminum-magnesium alloy to be used as the shell of mobile phone, but its price is very high.
If the fan overall volume can be more compact, using fan so also is most economical a kind of method.Because compact, cost is low to be the development trend of modern electronic product, therefore providing a kind of small volume fan that has vibration reminding and heat sinking function simultaneously to make it can be applicable to real in the mobile phone is one of important topic.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of fan that has vibration reminding function and heat sinking function simultaneously.In addition, in the structural design of the present invention with the vibrations principle kneading air intake fan of vibrating motor, not only can reduce material and assembly cost, also can save system space, make it to meet the demand of lighting and miniaturization and can apply in a large number on the device such as following mobile phone, electronic multimedia mechanism or high-order gaming machine.
According to purpose of the present invention, the fan that is provided for example is axial flow or centrifugal fan, and can be applicable on mobile phone, electronic multimedia mechanism or the high-order gaming machine.This fan comprises a ventilation plant and a vibrations generating means.Ventilation plant comprises fan frame, an impeller and a driving mechanism, and impeller and driving mechanism all are located in the fan frame, and driving mechanism and impeller binding and drives impeller rotation.The vibrations generating means is set on the impeller, but and comprises at least one stator, at least one mover and at least one dragging track.Stator is fixed on the dragging track, but and mover is positioned on the dragging track and can moves along dragging track, so as to make vibrations generating means have the vibration reminding function.
Aforesaid fan, wherein ventilation plant is structure as a whole with the vibrations generating means.Dragging track is positioned on the impeller, and dragging track is with respect to the rotating center balanced configuration of impeller.Impeller comprises a wheel hub and a plurality of flabellum, and a plurality of flabellums are located on the wheel hub periphery, and dragging track is positioned on the wheel hub of impeller.Wheel hub and a plurality of flabellum are formed in one, and each flabellum is the progressive shape that raises up.
Perhaps, the vibrations generating means is standard feature parts, with ventilation plant be two independent separate members, link mutually again.The vibrations generating means can directly apply on the conventional fan.The vibrations generating means also comprises a pedestal, and dragging track is formed on the pedestal, and the vibrations generating means combines with impeller by pedestal.Dragging track is balanced configuration with respect to the rotating center of impeller.Impeller comprises a wheel hub and a plurality of flabellum, and a plurality of flabellums are located on the wheel hub periphery, and pedestal is arranged at the top of wheel hub and is connected with wheel hub.Wheel hub and a plurality of flabellum are formed in one, and each flabellum is the progressive shape that raises up.
In addition, the vibrations generating means also comprises a top cover, and it is positioned at the dragging track top, in order to the sealing dragging track.The top cover gummed is fastened on the dragging track top, or the top cover engaging is fastened on the dragging track top.The material of impeller can be plastics, polymethylmethacrylate (acryl), metal or alloy.
Aforesaid fan, wherein, but the total quantity of stator and mover can be identical with the number of dragging track; But the total quantity of stator and mover also can be different with the number of dragging track, but stator can be greater or less than the number of dragging track with the total quantity of mover.Moreover, but the quantity of stator can greater than, be equal to or less than the quantity of mover.It is individual that but the quantity of stator and mover is respectively integer.But shape, size or the weight of stator and mover can be identical or different.
But stator and mover can all be permanent magnet, but and stator produce a magnetic attraction during with the symmetrical placement of mover.Perhaps, stator is a permanent magnet, but and mover is a soft magnetic bodies, vice versa.In addition, but the quantity of stator and mover can all be a plurality of, but and a part of stator be soft magnetic bodies with mover, but and another part stator and mover are permanent magnet.Stator can glue together, engage or other equivalent way are fixed on the dragging track tightly.
Description of drawings
For make described and other purpose of the present invention, feature, and advantage can become apparent, a preferred implementation cited below particularly also is elaborated in conjunction with the accompanying drawings.
Fig. 1 is the fan decomposing schematic representation of preferred implementation of the present invention;
Fig. 2 is the another kind of fan schematic representation of the preferred embodiment for the present invention;
Fig. 3 A is the schematic representation that rotor shown in Figure 1 is in the running state of equilibrium;
Fig. 3 B is the schematic representation that rotor shown in Figure 1 is in the running imbalance state;
Fig. 4 is the working curve diagram of the fan of preferred implementation of the present invention;
Fig. 5 and Fig. 6 are in addition two examples of vibrations generating means of the fan of preferred implementation of the present invention;
Fig. 7 is the another kind of fan schematic representation of the preferred embodiment for the present invention.
Description of reference numerals
10,20 fans
12,22 ventilation plants
14,24 fan frames
16,26 impellers
161,261 wheel hubs
162,262 flabellums
18,28 vibrations generating means
182,282,582,682a, 682b stator
But 183,283,583a, 583b, 683a, 683b mover
184,284,584a, 584b, 584c, 684a, 684b, 684c, 684d dragging track
187,287 top covers
281 pedestals
Embodiment
Please refer to Fig. 1, this figure is the decomposing schematic representation of the fan of the preferred embodiment for the present invention.Fan 10 of the present invention for example is an axial flow fan, its mainly by the ventilation plant 12 that heat sinking function is provided with provide vibrations generating means 18 two large divisions of vibration reminding function to constitute.Ventilation plant 12 comprises fan frame 14, impeller 16 and driving mechanism (for example being motor).Impeller 16 and driving mechanism all are located in the fan frame 14, and impeller 16 comprises wheel hub 161 and a plurality of flabellums 162, and a plurality of flabellums 162 are located on wheel hub 161 peripheries, and driving mechanism and impeller 16 bindings and drives impeller 16 rotations.
Vibrations generating means 18 is arranged on the impeller 16, but and comprises stator 182, at least one mover 183, at least one dragging track 184 and top cover 187 at least.Stator 182 with the gummed, the engaging or other equivalent way tightly be fixed on the dragging track 184, but mover 183 be positioned on the dragging track 184 and can move along dragging track 184, so as to make vibrations generating means 18 have the vibration reminding function.
The structural design that ventilation plant 12 and vibrations generating means 18 are integrated.Dragging track 184 is positioned on the impeller 16, and dragging track 184 is with respect to the rotating center balanced configuration of impeller 16.187 of top covers are positioned at dragging track 184 tops, in order to sealing dragging track 184.Top cover 187 can be thin hard plastic sheet, and it is fastened on dragging track 184 tops with gummed mode or engaging mode, but so as to reaching stator 182 and mover 183 is sealed in purpose in the dragging track 184.
Perhaps, ventilation plant of the present invention can be two separating members with the vibrations generating means, and the vibrations generating means can be designed to the standard feature parts, with ventilation plant be two independent separate members, link mutually again.The vibrations generating means can directly apply on the common micro fan.As shown in Figure 2, Fig. 2 is the schematic representation of the another kind of fan of the preferred embodiment for the present invention.Fan 20 mainly is made of with vibrations generating means 28 two large divisions ventilation plant 22.Ventilation plant 22 comprises fan frame 24, impeller 26 and driving mechanism (for example motor).Impeller 26 and driving mechanism all are located in the fan frame 24, and impeller 26 comprises a wheel hub 261 and a plurality of flabellums 262, and a plurality of flabellums 262 are located on wheel hub 261 peripheries, and driving mechanism and impeller 26 bindings and drives impeller 26 rotations.
Vibrations generating means 28 is positioned on the impeller 26, but and comprises pedestal 281, at least one stator 282, at least one mover 283, at least one dragging track 284 and top cover 287.Dragging track 284 is formed on the pedestal 281, and by pedestal 281 to attach or mode such as bonding is fixed in the upper surface of wheel hub 261, combine with impeller 26 so as to making vibrations generating means 28.Dragging track 284 is balanced configuration with respect to the rotating center of impeller 26.Top cover 287 is positioned at dragging track 284 tops, in order to sealing dragging track 284.Top cover 287 can be thin hard plastic sheet, and it is fastened on dragging track 284 tops with gummed mode or engaging mode, but so as to reaching stator 282 and mover 283 is sealed in purpose in the dragging track 284.Top cover 287 can be plastics, polymethylmethacrylate (acryl), pottery, metal or alloy with the material of pedestal 281.Stator 282 with the gummed, the engaging or other equivalent way closely be fixed on the dragging track 284, but mover 283 be positioned on the dragging track 284 and can move along dragging track 284, so as to make vibrations generating means 28 have the vibration reminding function.
No matter be the fan 10/20 of Fig. 1 or Fig. 2, all can have vibration reminding function and heat sinking function simultaneously.But the dimension and weight of stator 182/282 and mover 183/283 equates, and both all can be permanent magnet, and perhaps one is a permanent magnet and another be a soft magnetic bodies, but makes and can produce magnetic attraction after stator 182/282 and the mover 183/283 symmetry placement.Stator 182/282 is close to the median plane of dragging track 184/284, but mover 183/283 then be placed on naturally in another symmetrical dragging track 184/284, be close to by magnetic attraction on dragging track 184/284 median plane in state of rest.
The working principle in rotor when running of fan 10/20 below will be described in detail in detail.Please be simultaneously with reference to Fig. 3 A, Fig. 3 B and Fig. 4.Fig. 3 A is the schematic representation that rotor shown in Figure 1 is in the running state of equilibrium, and Fig. 3 B is the schematic representation that rotor shown in Figure 1 is in the running imbalance state, and Fig. 4 is the working curve diagram of the fan of preferred implementation of the present invention.It is the symplex structure design at center that fan propeller all adopts with the running shaft, as shown in Figure 3A, when rotor during in state of rest, but mover 283 is subjected to the effect that magnetic force is inhaled mutually each other with stator 282, but so mover 283 tightly adsorbed and be in stator 282 with respect to the rotation axisymmetric position on (being decided to be primary importance) at this, this moment fan propeller be in state of equilibrium.
In case fan is switched on and is turned round, but the line of travel of mover 283 this moment on parallel orbit 284 is subjected to the effect of magnetic force Fc, centrifugal force F and surface friction drag f, when F≤Fc+f, but mover 283 still is in primary importance, this moment, rotor was in the equilbrium running state, the fan vibration function is not opened as yet, and fan is in pure radiating state, and state promptly shown in Figure 4 1..
Then, because square being directly proportional of centrifugal force and angular velocity, the rotational speed of rotor is fast more, then but the suffered centrifugal force of mover is big more, so when accelerating rotational speed to F＞Fc+f, but mover 283 can outwards slide to the track outer end position (being decided to be the second place at this) away from stator 282, shown in Fig. 3 B along dragging track 284.This moment, rotor was in the running imbalance state, and fan then produces strenuous vibration because of the unexpected increasing of rotor unbalance value, and the fan vibration function is opened, and 2. state promptly shown in Figure 4 just is in vibrations+radiating state with aft-fan, and state promptly shown in Figure 4 3..
Then, when rotation speed of the fan is reduced to Fc＞F+f, but 283 of movers can inwardly slide to primary importance along dragging track 284, the vibration function of fan is closed, be the state shown in Fig. 4 4., rotor thereby return to as shown in Figure 3A running state of equilibrium, the fan strenuous vibration disappears and recovers pure radiating state.So again and again back and forth back and forth, the working curve of fan is closed shape, can realize the operation capable of circulation of fan vibrating state.
As mentioned above, but the position of mover is adjusted in the variation that utilizes motor rotary speed, with this variation that realizes the state of equilibrium of rotor synchronously, can reach the purpose of control fan vibrating state, thereby can make fan when heat sinking function is provided, also can provide the vibration reminding function synchronously.
Certainly, the present invention is not limited to this, and for example, but the stator of fan 10/20 can be identical or different with shape, size or the weight of mover.But stator and mover can be permanent magnet, but and stator generation magnetic attraction when placing with the mover symmetry.Perhaps, stator is a permanent magnet, but and mover is a soft magnetic bodies, vice versa.
Moreover, but the quantity of stator can greater than, be equal to or less than the quantity of mover.It is individual that but the quantity of stator and mover is respectively integer.It is a plurality of that but the quantity of stator and mover can be, but and can a part of stator be soft magnetic bodies with mover, but and another part stator is a permanent magnet with mover.And, but the number of the total quantity of stator and mover and dragging track can be identical.But the total quantity of stator and mover and the number of dragging track also can be different, but stator can be greater or less than the number of dragging track with the total quantity of mover.
Fig. 5 and Fig. 6 show two examples in addition according to the vibrations generating means of the fan of the preferred embodiment for the present invention. in Fig. 5, but the quantity of stator is less than the quantity of mover. but the vibrations generating means of Fig. 5 comprises a stator 582 and two mover 583a, 583b, but stator 582 and mover 583a, 583b lays respectively at dragging track 584a, 584b, on the 584c. another example sees also Fig. 6, but the quantity of stator equals the quantity of mover. the vibrations generating means of Fig. 6 comprises two stator 682a, but 682b and two mover 683a, 683b, stator 682a, but 682b and mover 683a, 683b lays respectively at dragging track 684a, 684b, 684c, last and the stator 682a of 684d, but 682b and mover 683a, 683b is balanced configuration with respect to the rotating center of impeller.
In addition, fan 10/20 of the present invention can also be a centrifugal fan except being the axial flow fan, and as shown in Figure 7, Fig. 7 is the schematic representation of the another kind of fan of the preferred embodiment for the present invention.
In sum, vibrations fan provided by the present invention can make fan have vibration reminding function and heat sinking function simultaneously.Moreover, in the structural design of the present invention with the vibrations principle kneading air intake fan of vibrating motor, so not only can reduce material and assembly cost, also can reach the purpose of saving system space, make it to meet the demand of lighting and miniaturization and can extensively apply to following mobile phone, electronic multimedia mechanism or high-order gaming machine etc. and install.
Though by preferred implementation the present invention is disclosed as above; but this is not to be limitation of the present invention; the any technician in related domain is under the prerequisite that does not exceed design of the present invention and scope; can make various conversion and retouching, so protection scope of the present invention should be as the criterion with the claims restricted portion.
Claims (25)
1. fan comprises:
One ventilation plant, it comprises fan frame, an impeller and a driving mechanism, described impeller and driving mechanism all are located in the described fan frame, and this driving mechanism and described impeller binding and drive described wheel rotation; And
One vibrations generating means, it is set on the described impeller, but this vibrations generating means comprises at least one stator, at least one mover and at least one dragging track, described stator is fixed on the described dragging track, but described mover is positioned on this dragging track and can moves along this dragging track, has the vibration reminding function so as to making described vibrations generating means.
2. fan as claimed in claim 1, wherein, described ventilation plant and the integrated structure of vibrations generating means.
3. fan as claimed in claim 2, wherein, described dragging track is positioned on the described impeller, and described dragging track is balanced configuration with respect to the rotating center of this impeller.
4. fan as claimed in claim 2, wherein, described impeller comprises a wheel hub and a plurality of flabellum, and these flabellums are located on described wheel hub periphery, and described dragging track is positioned on the wheel hub of described impeller.
5. fan as claimed in claim 4, wherein, described wheel hub and described flabellum are formed in one, and these flabellums are the progressive shape that raises up.
6. fan as claimed in claim 1, wherein, described vibrations generating means and described ventilation plant are two independent separate members, link mutually again.
7. fan as claimed in claim 6, wherein, described vibrations generating means also comprises a pedestal, described dragging track is formed on this pedestal, and described vibrations generating means combines with described impeller by this pedestal.
8. fan as claimed in claim 7, wherein, the material of described pedestal is plastics, pottery, metal or alloy.
9. fan as claimed in claim 8, wherein, the material of described pedestal is a polymethylmethacrylate.
10. fan as claimed in claim 6, wherein, described vibrations generating means also comprises a pedestal, described dragging track is formed on this pedestal, and described dragging track is balanced configuration with respect to the rotating center of described impeller.
11. fan as claimed in claim 6, wherein, described impeller comprises a wheel hub and a plurality of flabellum, and these flabellums are located on described wheel hub periphery, and described vibrations generating means also comprises a pedestal, and described pedestal is set at the top of described wheel hub and is connected with described wheel hub.
12. fan as claimed in claim 11, wherein, described vibrations generating means also comprises a pedestal, and described dragging track is fixed in the upper surface of described wheel hub by this pedestal in the mode that attaches or bind, and combines with described impeller so as to making described vibrations generating means.
13. fan as claimed in claim 1, wherein, but the number of the total quantity of described stator and mover and described dragging track is identical.
14. fan as claimed in claim 1, wherein, but the number of the total quantity of described stator and mover and described dragging track is different, but the total quantity of described stator and described mover is greater or less than the number of described dragging track.
15. fan as claimed in claim 1, wherein, but the quantity of described stator greater than, be equal to or less than the quantity of described mover.
16. fan as claimed in claim 1, wherein, but described stator is identical or different with shape, size or the weight of mover.
17. fan as claimed in claim 1, wherein, but described stator and mover are permanent magnet, but and described stator produce magnetic attraction when placing with the mover symmetry.
18. fan as claimed in claim 1, wherein, but described stator is a permanent magnet and described mover is a soft magnetic bodies, but perhaps described stator is a soft magnetic bodies and described mover is a permanent magnet.
19. fan as claimed in claim 1, wherein, but the quantity of described stator and mover is a plurality of, but and a part of described stator be soft magnetic bodies with mover, but and the described stator of another part is a permanent magnet with mover.
20. fan as claimed in claim 1, wherein, described stator is fixed on the described dragging track tightly in the mode of gummed or engaging.
21. fan as claimed in claim 1, wherein, described vibrations generating means also comprises a top cover, and it is positioned at described dragging track top, in order to seal this dragging track.
22. fan as claimed in claim 21, wherein, the material of described top cover and impeller is plastics, pottery, metal or alloy.
23. fan as claimed in claim 22, wherein, the material of described top cover and impeller is a polymethylmethacrylate.
24. fan as claimed in claim 21, wherein, described top cover is fastened to described dragging track top with gummed mode or engaging mode.
25. fan as claimed in claim 21, wherein, described top cover is thin hard plastic sheet, and it is fastened to described dragging track top, but so as to described stator and mover are sealed in the described dragging track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610101162A CN101101007B (en) | 2006-07-05 | 2006-07-05 | Fan with vibration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610101162A CN101101007B (en) | 2006-07-05 | 2006-07-05 | Fan with vibration function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101101007A CN101101007A (en) | 2008-01-09 |
| CN101101007B true CN101101007B (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610101162A Expired - Fee Related CN101101007B (en) | 2006-07-05 | 2006-07-05 | Fan with vibration function |
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| Country | Link |
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| CN (1) | CN101101007B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032353A (en) * | 2012-10-10 | 2013-04-10 | 共青城赛龙通信技术有限责任公司 | Fan with vibration function |
| US9677567B2 (en) | 2014-01-13 | 2017-06-13 | Htc Corporation | Method for controlling rotation speed and electronic device having a vibrating fan module |
| CN104776044B (en) * | 2014-01-13 | 2017-12-12 | 宏达国际电子股份有限公司 | Method for controlling number of revolution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532285Y (en) * | 2001-12-12 | 2003-01-22 | 台达电子工业股份有限公司 | Fan |
| CN1460797A (en) * | 2003-05-20 | 2003-12-10 | 台达电子工业股份有限公司 | Radiation fan module structure for electronic equipment |
| CN1504649A (en) * | 2002-11-28 | 2004-06-16 | 台达电子工业股份有限公司 | Heat sink and fan structure thereof |
| US20060006753A1 (en) * | 2004-07-09 | 2006-01-12 | Delta Electronics, Inc. | Motor |
-
2006
- 2006-07-05 CN CN200610101162A patent/CN101101007B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532285Y (en) * | 2001-12-12 | 2003-01-22 | 台达电子工业股份有限公司 | Fan |
| CN1504649A (en) * | 2002-11-28 | 2004-06-16 | 台达电子工业股份有限公司 | Heat sink and fan structure thereof |
| CN1460797A (en) * | 2003-05-20 | 2003-12-10 | 台达电子工业股份有限公司 | Radiation fan module structure for electronic equipment |
| US20060006753A1 (en) * | 2004-07-09 | 2006-01-12 | Delta Electronics, Inc. | Motor |
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| CN101101007A (en) | 2008-01-09 |
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