CN103423174A - Vibrating fan - Google Patents
Vibrating fan Download PDFInfo
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- CN103423174A CN103423174A CN2012101499662A CN201210149966A CN103423174A CN 103423174 A CN103423174 A CN 103423174A CN 2012101499662 A CN2012101499662 A CN 2012101499662A CN 201210149966 A CN201210149966 A CN 201210149966A CN 103423174 A CN103423174 A CN 103423174A
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Abstract
The invention provides a vibrating fan which comprises a base, an electromagnetic-type actuator and a fan blade. The electromagnetic-type actuator is arranged on the base and comprises a movable magnetic element and a fixed magnetic element, the movable magnetic element can be in reciprocating motion relatively to the fixed magnetic element, and the fan blade is connected to the movable magnetic element. Reciprocating motion of the movable magnetic element is utilized to drive the fan blade to vibrate so as to disturb air flow, so that heat-dissipating effect is achieved.
Description
Technical field
The present invention is about a kind of fan, especially in regard to a kind of vibration fan.
Background technique
In recent years, for the ease of carrying of portable apparatus, these portable apparatus are all towards light, thin, short, little future development, for the also raising relatively of demand of heat radiation.Therefore, the heat dissipation technology of electronic product has become one of focus in related industry.
Generally speaking, portable apparatus utilizes centrifugal fan as radiation fan, and it utilizes the flabellum of fan to rotate in runner, by the runner supercharging, to push wind to exhaust outlet, can utilize thus the mode of thermoconvection that heat energy is diffused in external environment.
Yet, though can promoting air-flow effectively, the rotation of the flabellum of centrifugal fan takes away heat energy, tend to cause irritating wind field noise.In addition, due to centrifugal fan at least must have rotation blade and bearing can normal operation, therefore whole height is difficult for dwindling, and be unfavorable for the slimming of portable apparatus.Moreover, if reduce the height of bearing for slimming, also easily reduce the intensity of bearing, and accelerated wear test, have a strong impact on the life-span of fan.
On the other hand, in some electronic equipment in (as desktop PC), also have part manufacturer to be dispelled the heat with piezoelectric fan, for example: U. S. Patent discloses the piezoelectric fan that " the Oscillating Diaphragm Fan Having Coupled Subunits and a Housing Having an Oscillating Diaphragm Fan ofthis Type " of No. 20100150753 puts down in writing.Generally speaking, piezoelectric fan must provide the voltage of great number to carry out rough air so that piezoelectric material produces deformation.If, therefore install piezoelectric fan in portable apparatus, will consume a large amount of electric power, reduce battery endurance, therefore also be not suitable for for the radiation fan as portable apparatus.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of vibration fan that has the advantages such as frivolous, power saving, low noise, life-span be long concurrently, is beneficial to be installed in portable apparatus.
In order to achieve the above object, according to one embodiment of the present invention, a kind of vibration fan comprises a base, an electromagnetic actuator and a flabellum.Electromagnetic actuator is arranged on base, and this electromagnetic actuator comprises a movable formula magnetic element and a fixed magnetic element.Movable formula magnetic element can order about the relative fixed magnetic element of movable formula magnetic element with magnetic force between fixed magnetic element and move reciprocatingly.Flabellum is connected in movable formula magnetic element.
By above technological means, embodiments of the present invention can utilize the to-and-fro motion of movable formula magnetic element to drive flabellum vibration, in order to rough air, thereby reach the effect of heat radiation.Because the flabellum of embodiments of the present invention need not rotate, therefore can omit bearing.Thus, this vibration fan can be avoided the loss of bearing on the one hand, promotes the life-span, also can reduce integral thickness on the other hand, reaches frivolous effect.In addition, because only needing to provide a small amount of electric power, embodiments of the present invention can produce the active force of mutual suction or mutual exclusion to fixed magnetic element or movable formula magnetic element, move back and forth, therefore voltage that need not great number drives the flabellum running, thereby reach the effect of power saving.
The above is only in order to set forth problem, the technological means of dealing with problems that institute of the present invention wish solves and the effect produced thereof etc., in the mode of execution that detail of the present invention will be hereinafter and relevant drawings, introduces in detail.
The accompanying drawing explanation
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, the description of the drawings is as follows:
Shown in Fig. 1 according to the sectional view of the vibration fan of an embodiment of the present invention.
Figure 2 shows that the partial sectional view of the vibration fan of Fig. 1.
Figure 3 shows that a sectional view that activates form of the electromagnetic actuator 200 of Fig. 2.
Another of electromagnetic actuator 200 that Figure 4 shows that Fig. 2 activates the sectional view of form.
Shown in Fig. 5 according to the sectional view of the vibration fan of another mode of execution of the present invention.
Shown in Fig. 6 according to the sectional view of the vibration fan of the another mode of execution of the present invention.
Shown in Fig. 7 according to the stereogram of the vibration fan of an embodiment of the present invention.
Shown in Fig. 8 according to the stereogram of the vibration fan of another mode of execution of the present invention.
Shown in Fig. 9 according to the stereogram of the vibration fan of the another mode of execution of the present invention.
Shown in Figure 10 according to the present invention's stereogram of the vibration fan of a mode of execution again.
Shown in Figure 11 according to the present invention's stereogram of the vibration fan of a mode of execution again.
Shown in Figure 12 according to the present invention's stereogram of the vibration fan of a mode of execution again.
Shown in Figure 13 according to the present invention's stereogram of the vibration fan of a mode of execution again.
Shown in Figure 14 according to the present invention's stereogram of the vibration fan of a mode of execution again.
Wherein, description of reference numerals is as follows:
100: base
110: root edge
200: electromagnetic actuator
210: movable formula magnetic element
211: protuberance
212: magnet
212a: the first magnet
212b: the second magnet
213: protuberance
214: the magnetic line of force
215a: the first yoke
215b: the second yoke
216: pivot
218: middle yoke
220: fixed magnetic element
222: coil
224: outer yoke
300: flabellum
310: blade rack
320: blade body
321: main surface
322: fixing part
323: center line
324: free section
325: edge
327: central angle
328: sector region
329: rectangular area
330: through hole
410: positive stop spring plate
420: positive stop spring plate
500: buffer space
600: circuit board
610: connecting line
700: supporting base
Embodiment
Below will disclose a plurality of mode of execution of the present invention with accompanying drawing, as clearly stated, the details on many practices will be explained in the following description.Yet those of ordinary skill in the art should recognize, in part mode of execution of the present invention, the details on these practices is also non-essential, does not therefore apply to limit the present invention.In addition, for the purpose of simplifying accompanying drawing, some known habitual structures and element in the accompanying drawings will be with shown in the modes of simply illustrating.
Shown in Fig. 1 according to the sectional view of the vibration fan of an embodiment of the present invention.As shown in the figure, the vibration fan comprises a base 100, an electromagnetic actuator 200 and a flabellum 300.Electromagnetic actuator 200 is arranged on base 100, and electromagnetic actuator 200 comprises a movable formula magnetic element 210 and a fixed magnetic element 220.Magnetic force between movable formula magnetic element 210 and fixed magnetic element 220 can order about movable formula magnetic element 210 and move reciprocatingly with respect to fixed magnetic element 220.Flabellum 300 is connected in movable formula magnetic element 210.
Above-mentioned mode of execution of the present invention can utilize fixed magnetic element 220 and the to-and-fro motion of movable formula magnetic element 210 to drive flabellum 300 up-down vibration (as shown in the double-head arrow of 300 tops of flabellum in Fig. 1), thereby rough air reaches radiating effect.
Figure 2 shows that the partial sectional view of the vibration fan of Fig. 1.As shown in the figure, in the present embodiment, fixed magnetic element 220 can be fixed on base 100 and around movable formula magnetic element 210, and fixed magnetic element 220 and movable formula magnetic element 210 can produce the magnetic force of mutual suction or mutual exclusion.Thus, because fixed magnetic element 220 is fixed on base 100, therefore ordering about movable formula magnetic element 210, moves the magnetic force of above-mentioned mutual suction or mutual exclusion.
For example, movable formula magnetic element 210 can comprise a magnet 212, and fixed magnetic element 220 can comprise a coil 222.This coil 222 is around magnet 212.When coil 222 energising, coil 222 can produce axial relative movement with magnet 212.Should be appreciated that, above-mentioned " axially " word represents that this direction is parallel to pivot 216.In other words, when coil 222 energising, coil 222 can produce because of electromagnetic induction magnetic force, and this magnetic force can interact with the magnetic force of magnet 212, thereby order about movable formula magnetic element 210, along the direction that is parallel to pivot 216, moves.
Particularly, the magnetic pole of magnet 212 lays respectively at its upper and lower two surfaces, to form the magnetic line of force 214 shown in figure.The magnetic line of force 214 directions of the current direction of coil 222 and magnet 212 are orthogonal in fact.Thus, according to Ampere's right-handed screw rule, the magnetic direction that coil 222 produces is parallel to the magnetic line of force 214 of magnet 212 own, makes the active force that produces suction mutually or mutual exclusion between the two, thereby drive movable formula magnetic element 210, along the direction that is parallel to pivot 216, moves.
Should be appreciated that, " in fact " described in this specification do not affect the form of effect of the present invention but a word comprises any slight variations.For example, the magnetic line of force 214 directions of the current direction of coil 222 and magnet 212 are orthogonal in fact is outside one's consideration except the angle that comprises both is 90 just, as long as the magnetic field that coil 222 produces and magnet 212 are inhaled or mutual exclusion, make movable formula magnetic element 210 move along the direction that is parallel to pivot 216, the angle of the magnetic line of force 214 directions of the current direction of coil 222 and magnet 212 can not be also 90 degree.
Figure 3 shows that a sectional view that activates form of the electromagnetic actuator 200 of Fig. 2.As shown in the figure, when coil 222 energising, magnet 212 can make movable formula magnetic element 210 move down because be subject to axial repulsive force.When movable formula magnetic element 210 times, when moving to special position, the magnetic field that the magnetic pole that is positioned at the upper surface of magnet 212 can be subject to coil 222 attracts, and turn back, moves up.
Another of electromagnetic actuator 200 that Figure 4 shows that Fig. 2 activates the sectional view of form.The mobile plesiomorphism of present embodiment is in Fig. 3, Main Differences is that the suffered axial repulsive force of magnet 212 can make movable formula magnetic element 210 move up, when moving to special position, the magnetic field that the magnetic pole that is positioned at magnet 212 lower surfaces can be subject to coil 222 attracts, and turn back, moves down.
Shown in complex chart 2,3 and 4, should understand when coil 222 energising, mutual suction between the magnetic line of force 214 of the magnetic field that coil 222 produces and movable formula magnetic element 210 or the active force of mutual exclusion can order about movable formula magnetic element 210 along the direction to-and-fro motion that is parallel to pivot 216, thereby order about flabellum 300 (referring to Fig. 1) up-down vibration, dispelled the heat with rough air.
Please consult Fig. 1, in the part mode of execution, the vibration fan can further comprise two positive stop spring plates 410 and 420 again, and it can be in order to limit the movement travel of movable formula magnetic element 210.For example, positive stop spring plate 410 and positive stop spring plate 420 are arranged at respectively the both sides up and down of electromagnetic actuator 200, its pivot 216 (referring to Fig. 2) that at least is positioned at movable formula magnetic element 210 is upper, with the driving of avoiding movable formula magnetic element 210 to be subject to excessive magnetic force, makes movement travel long and detach electromagnetic actuator 200.Should be appreciated that, in this specification described " movement travel " be defined as the distance of object in single moves, but not reciprocating total distance.
In the present embodiment, the vibration fan can further comprise two protuberances 211 and 213, and it is arranged at respectively the relative both sides of movable formula magnetic element 210, and props up respectively positive stop spring plate 410 and positive stop spring plate 420.
Particularly, protuberance 211 and 213 is convexly set in respectively upper and lower two surfaces of movable formula magnetic element 210.Protuberance 211 and 213 is positioned in fact identical level height with upper surface and the lower surface of fixed magnetic element 220 respectively.Thus, when movable formula magnetic element 210 and fixed magnetic element 220 remain static, during without relative movement, positive stop spring plate 410 and positive stop spring plate 420 will be level and undeformed.
Please then consult Fig. 3 and 4, in the present embodiment, the material of positive stop spring plate 410 and positive stop spring plate 420 all can comprise, but is not limited to, and elastic material (for example: the plastics such as polycarbonate (PC) (polycarbonate, PC)) or super thin metal.Thus, when movable formula magnetic element 210 moves down while making protuberance 213 force in positive stop spring plate 420, positive stop spring plate 420 can be to lower recess.Similarly, when movable formula magnetic element 210 moves up while making protuberance 211 force in positive stop spring plate 410, positive stop spring plate 410 is protuberance upwards.Thus, positive stop spring plate 410 and 420 can provide certain elasticity for movable formula magnetic element 210 to-and-fro motion.
In the part mode of execution, the vibration fan can further comprise a buffer space 500 (can consult in the lump Fig. 1 or 2), and it is formed in base 100, and positive stop spring plate 420 can be towards buffer space 500 distortion.Thus, movable formula magnetic element 210 buffer space 500 of can passing through, and for flabellum 300 (seeing also Fig. 1) vibration downwards.Particularly, the pivot of movable formula magnetic element 210 216 can be by buffer space 500, in order to movable formula magnetic element 210 buffer space 500 of passing through.
Shown in Fig. 5 according to the sectional view of the vibration fan of another mode of execution of the present invention.Present embodiment is roughly similar to Fig. 1, and Main Differences is the structure of electromagnetic actuator 200.In the present embodiment, electromagnetic actuator 200 also comprises a movable formula magnetic element 210 and a fixed magnetic element 220.Wherein, movable formula magnetic element 210 can comprise one first magnet 212a, one second magnet 212b and a middle yoke 218, and middle yoke 218 is located between the first magnet 212a and the second magnet 212b.
In the present embodiment, movable formula magnetic element 210 can further comprise one first yoke 215a and one second yoke 215b, it is upper and back to the surface of middle yoke 218 that the first yoke 215a is arranged at the first magnet 212a, and that the second yoke 215b is arranged at the second magnet 212b is upper and back to the surface of middle yoke 218.
In the present embodiment, fixed magnetic element 220 can comprise a coil 222 and an outer yoke 224, and outer yoke 224 coats coil 222.Middle yoke 218, the first yoke 215a, the second yoke 215b and the outer yoke 224 that present embodiment adopts all can be in order to promote the ability of electromagnetic induction, to help flabellum 300 vibrations.
In the present embodiment, the vibration fan can comprise a circuit board 600 and a connecting line 610, and connecting line 610 can be electrically connected to circuit board 600, and circuit board 600 can be electrically connected to the coil 222 of fixed magnetic element 220.Thus, connecting line 610 can provide electrical power to coil 222 to produce electromagnetic induction, and then drives movable formula magnetic element 210 to move reciprocatingly, so that flabellum 300 vibrations.For example, circuit board 600 can be a printed circuit board (PCB) (Printed Circuit Board, PCB), and connecting line 610 for example can be coated on, in the sealing compound material: PVC＝polyvinyl chloride (Polyvinylchloride).
In the present embodiment, the vibration fan can comprise at least one supporting base 700, and it abuts against fixed magnetic element 220.Particularly, supporting base 700 can be around on fixed magnetic element 220 and back to the outer surface of movable formula magnetic element 210.For example, supporting base 700 can be made by epoxy resin (Epoxy).In the present embodiment, circuit board 600 can be embedded in supporting base 700.
Shown in Fig. 6 according to the sectional view of the vibration fan of the another mode of execution of the present invention.In the present embodiment, flabellum 300 can comprise a blade rack 310 and a blade body 320.Blade rack 310 is connected in movable formula magnet assembly 210.Blade body 320 is arranged on blade rack 310.
In the part mode of execution, blade body 320 can comprise a fixing part 322 and a free section 324.Fixing part 322 is fixedly arranged on blade rack 310.Free section 324 is connected in fixing part 322, and with between blade rack 310, without physics, contact, wherein, the movement travel of free section 324 (can consult the double-head arrow in left side in figure) is greater than the movement travel (can consult the double-head arrow on right side in figure) of movable formula magnet assembly 210.
For example, the material of the free section 324 of blade body 320 can comprise, but is not limited to, and elastic material (for example: the plastics such as polycarbonate (PC) (polycarbonate, PC)) or super thin metal.Thus, when movable formula magnet assembly 210 moves reciprocatingly, can drive fixing part 322 and the free section 324 of blade body 320, and because free section 324 has elasticity and is not fixed on blade rack 310, therefore except moving along with movable formula magnet assembly 210, free section 324 also can produce deformation and swing up and down further (free section 324 as shown in phantom in FIG.), therefore, the movement travel of free section 324 can be greater than movable formula magnet assembly 210, thereby increase the flow-disturbing effect, further to help heat radiation.In the part mode of execution, in free section 324, more the amplitude of fluctuation away from the position of fixing part 322 is larger, therefore its movement travel is also longer, the flow-disturbing effect is better.
In the part mode of execution, main surface 320 has a center line 323, by the central point of main surface 320.Blade rack 310 departs from this center line 323.For example, blade rack 310 can be positioned at a side of center line 323, and free section 324 can be positioned at the opposite side of center line 323.When the distance between blade rack 310 and free section 324 is longer, the swing that more can help free section 324.Preferably, blade rack 310 is positioned at the edge of blade body 320, in order to the amplitude of fluctuation that increases free section 324.
Shown in Fig. 7 according to the stereogram of the vibration fan of an embodiment of the present invention.In present embodiment, blade body 320 has an edge 325, and it is positioned at the end of blade body 320 away from blade rack 310.Edge 325 is in fact a circular arc.Blade body 320 has a central angle 327, and its corresponding edge 325 forms.In the part mode of execution, central angle 327 is reducible between 30 degree to 150 degree.For example, as shown in this figure, central angle 327 is about 60 degree.
Should be appreciated that, above-mentioned edge 325 is in fact circular arc except comprising the aspect that is entirely the smooth arc shape curve, also can comprise the curve (as shown in the edge 325 of Fig. 7) that slightly is arcuation by common connection of a plurality of straight lines.
As shown in the figure, in present embodiment, base 100 has a root edge 110.The edge 325 of blade rack 310 and blade body 320 distance between the two approximates the length of root edge 110, in order to the Oscillation Amplitude that increases blade body 320.
Shown in Fig. 8 according to the stereogram of the vibration fan of another mode of execution of the present invention.Present embodiment is similar to Fig. 7, and Main Differences is that the vibration fan of present embodiment can further comprise at least one through hole 330, and it is opened in blade body 320.Particularly, the part area on blade body 320 can be hollowed out, to form through hole 330.In the part mode of execution, the shape of through hole 330 can comprise, but is not limited to, circular, oval, fan-shaped or polygonal etc.
Shown in Fig. 9 according to the stereogram of the vibration fan of the another mode of execution of the present invention.Present embodiment is similar to Fig. 7, and Main Differences is that the blade rack 310 of present embodiment approximately is positioned at base 100De center.Particularly, the edge 325 of blade body 320 and blade rack 310 between distance be about half of root edge 110 length of base 100.Thus, the corresponding central angle 327 in edge 325 is about the twice of the central angle 327 in the 7th figure.For example, the central angle in this figure 327 is about 120 degree.
Shown in Figure 10 according to the present invention's stereogram of the vibration fan of a mode of execution again.Present embodiment is similar to Fig. 9, and Main Differences is that the vibration fan of present embodiment can further comprise plural through hole 330, and it is opened in blade body 320.In the part mode of execution, the shape of through hole 330 can comprise, but is not limited to, circular, oval, fan-shaped or polygonal etc.
Shown in Figure 11 according to the present invention's stereogram of the vibration fan of a mode of execution again.Present embodiment is similar to Fig. 7, and Main Differences is that the blade body 320 of present embodiment comprises a sector region 328 and a rectangular area 329.Sector region 328 is arranged on blade rack 310, and rectangular area 329 is connected in sector region 328.
Shown in Figure 12 according to the present invention's stereogram of the vibration fan of a mode of execution again.Present embodiment is similar to Figure 11, and Main Differences is that the vibration fan of present embodiment can further comprise at least one through hole 330, and it is opened in blade body 320.In the part mode of execution, the shape of through hole 330 can comprise, but is not limited to, circular, oval, fan-shaped or polygonal etc.
Shown in Figure 13 according to the present invention's stereogram of the vibration fan of a mode of execution again.Present embodiment is similar to Figure 11, and Main Differences is that the blade rack 310 of present embodiment approximately is positioned at base 100De center.
Shown in Figure 14 according to the present invention's stereogram of the vibration fan of a mode of execution again.Present embodiment is similar to Figure 13, and Main Differences is that the vibration fan of present embodiment can further comprise a plurality of through holes 330, and it is opened in blade body 320.In the part mode of execution, the shape of through hole 330 can comprise, but is not limited to, circular, oval, fan-shaped or polygonal etc.
Please consult Fig. 1, in the part mode of execution, flabellum 300 approximately is less than 4 millimeters (mm) with the ultimate range of base 100 again.Particularly, flabellum 300 blade body 320 (seeing also Fig. 5) while being moved upward to peak, its position and base 100 bottom surface distance approximately be less than 4 millimeters (mm).Between the air quantity that this distance can be required by the user and the integral thickness of vibration fan, weigh.Preferably, flabellum 300 can be controlled in 3 millimeter with the ultimate range of base 100.
In the part mode of execution, movable formula magnetic element 210 reciprocating frequency approximately between 30 hertz (Hz) are to 100 hertz.Preferably, movable formula magnetic element 210 reciprocating frequency can be 60 hertz.
Although the present invention discloses as above with mode of execution; so it is not in order to limit the present invention; any those skilled in the art; within not breaking away from spirit and scope of the present invention; when doing various change and retouching, therefore protection domain of the present invention is as the criterion when looking accompanying the scope that claim defines.
Claims (19)
1. a vibration fan, is characterized in that, comprises:
One base;
One electromagnetic actuator, be arranged on this base, and this electromagnetic actuator comprises:
One fixed magnetic element; And
One movable formula magnetic element, this movable formula magnetic element can order about relative this fixed magnetic element of this movable formula magnetic element with magnetic force between this fixed magnetic element and move reciprocatingly; And
One flabellum, be connected in this movable formula magnetic element.
2. vibration fan as claimed in claim 1, is characterized in that, this fixed magnetic element is fixed on this base and around this movable formula magnetic element.
3. vibration fan as claimed in claim 2, is characterized in that, this movable formula magnetic element comprises a magnet, and this fixed magnetic element comprises a coil, and when this coil electricity, this coil and this magnet can produce axial relative movement.
4. vibration fan as claimed in claim 3, is characterized in that, the magnetic line of force direction of the current direction of this coil and this magnet is orthogonal.
5. vibration fan as claimed in claim 1, is characterized in that, also comprises: two positive stop spring plates, and to limit the movement travel of this movable formula magnetic element.
6. vibration fan as claimed in claim 5, is characterized in that, also comprises: two protuberances are arranged at respectively the relative both sides of this movable formula magnetic element, and prop up respectively described positive stop spring plate.
7. vibration fan as claimed in claim 5, is characterized in that, also comprises: a buffer space, be formed in this base, and one of them of described positive stop spring plate is towards the distortion of this buffer space.
8. vibration fan as claimed in claim 7, is characterized in that, this movable formula magnetic element this buffer space of passing through.
9. vibration fan as claimed in claim 1, is characterized in that, this flabellum comprises:
One blade rack, be connected in this movable formula magnetic element; And
One blade body, be arranged on this blade rack.
10. vibration fan as claimed in claim 9, is characterized in that, this blade body comprises:
One fixing part, be fixedly arranged on this blade rack; And
One free section, be connected in this fixing part, and the movement travel of this free section is greater than the movement travel of this movable formula magnetic element.
11. vibration fan as claimed in claim 10, is characterized in that, this free section is formed by elastic material.
12. vibration fan as claimed in claim 9 is characterized in that the main surface of this blade body is perpendicular to the moving direction of this movable formula magnetic element.
13. vibration fan as claimed in claim 12 is characterized in that this blade rack deviates from the center line of this main surface.
14. vibration fan as claimed in claim 9 is characterized in that this blade body has an edge, it is away from this blade rack, and this edge forms a circular arc.
15. vibration fan as claimed in claim 14, is characterized in that, the corresponding central angle in this edge is between 30 degree to 150 degree.
16. vibration fan as claimed in claim 9, is characterized in that, this blade body comprises:
One sector region, be arranged on this blade rack; And
One rectangular area, be connected in this sector region.
17. vibration fan as claimed in claim 9, is characterized in that, also comprises: at least one through hole is opened in this blade body.
18. vibration fan as claimed in claim 1, is characterized in that, the reciprocating frequency of this movable formula magnetic element is between 30 hertz to 100 hertz.
19. vibration fan as claimed in claim 1, is characterized in that, the ultimate range of this flabellum and this base is less than 4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149966.2A CN103423174B (en) | 2012-05-15 | 2012-05-15 | Vibration fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210149966.2A CN103423174B (en) | 2012-05-15 | 2012-05-15 | Vibration fan |
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| CN103423174A true CN103423174A (en) | 2013-12-04 |
| CN103423174B CN103423174B (en) | 2015-11-18 |
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|---|---|---|---|
| CN201210149966.2A Active CN103423174B (en) | 2012-05-15 | 2012-05-15 | Vibration fan |
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| CN105334932A (en) * | 2014-05-28 | 2016-02-17 | 联想(北京)有限公司 | Vibrating fan and electronic device |
| CN107347242A (en) * | 2016-05-05 | 2017-11-14 | 华为技术有限公司 | A kind of heat abstractor and communication equipment |
| CN108919985A (en) * | 2018-07-10 | 2018-11-30 | 顾钰锋 | The quasi- object radiating mouse of intelligence |
| CN112943708A (en) * | 2021-01-28 | 2021-06-11 | 河北工业大学 | Wrinkle type vibration fan blade |
| CN113873825A (en) * | 2020-06-30 | 2021-12-31 | 北京小米移动软件有限公司 | Heat dissipation module, control method, electronic equipment and manufacturing method |
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| CN105334932B (en) * | 2014-05-28 | 2019-01-15 | 联想(北京)有限公司 | A kind of vibration fan and electronic equipment |
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| CN108919985A (en) * | 2018-07-10 | 2018-11-30 | 顾钰锋 | The quasi- object radiating mouse of intelligence |
| CN108919985B (en) * | 2018-07-10 | 2022-06-14 | 顾钰锋 | Intelligent simulation heat dissipation mouse |
| CN113873825A (en) * | 2020-06-30 | 2021-12-31 | 北京小米移动软件有限公司 | Heat dissipation module, control method, electronic equipment and manufacturing method |
| CN112943708A (en) * | 2021-01-28 | 2021-06-11 | 河北工业大学 | Wrinkle type vibration fan blade |
| CN112943708B (en) * | 2021-01-28 | 2022-09-30 | 河北工业大学 | Wrinkle type vibration fan blade |
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| CN103423174B (en) | 2015-11-18 |
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