CN111963467A - Vibration fan with multidirectional fan and air outlet method - Google Patents
Vibration fan with multidirectional fan and air outlet method Download PDFInfo
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- CN111963467A CN111963467A CN202010951333.8A CN202010951333A CN111963467A CN 111963467 A CN111963467 A CN 111963467A CN 202010951333 A CN202010951333 A CN 202010951333A CN 111963467 A CN111963467 A CN 111963467A
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- fan
- fan blades
- vibrator
- blades
- vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D33/00—Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a vibration fan for multidirectional fanning, which comprises a vibrator and fan blades pointing to multiple directions, wherein the vibrator is connected with the fan blades and is used for driving the vibrator to vibrate, and the fan blades generate amplitude along with the vibration, so that the fanning effect is achieved; when the driving vibrator is consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, thereby greatly reciprocating and deflecting to form multidirectional fanning. The invention also discloses an air outlet method of the vibration fan with multidirectional fan air. The vibration fan with multidirectional fan can realize fan in multiple directions under the conditions of small volume and low energy consumption, has the characteristics of good heat dissipation effect, low power consumption, low noise, long service life and the like, and has good application prospect in the aspects of heat dissipation of high-power LEDs, small electronic equipment and the like.
Description
Technical Field
The invention belongs to the technical field of heat dissipation, and particularly relates to a vibration fan capable of fanning in multiple directions.
Background
The fan is traditional heat dissipation equipment, and conventional fan adopts the electromagnetism principle, and the fan blade rotates under the magnetoelectricity change, and the fan blade designs into the inclination, and under the high-speed rotation, produces axial fan effect. The existing fan has a fan effect only in a single direction, and is limited in application in certain occasions.
Disclosure of Invention
The technical problems solved by the invention are as follows: the existing fan has fixed heat dissipation direction, large volume and limited application occasions.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a vibration fan with multidirectional fanning comprises a vibrator and fan blades pointing to multiple directions, wherein the vibrator is connected with the fan blades and drives the vibrator to vibrate, and the fan blades generate amplitude along with the vibration, so that the fanning effect is achieved; when the driving vibrator is consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, thereby greatly reciprocating and deflecting to form multidirectional fanning.
Preferably, the fan blade is made of an elastic material, and the fan blade is partially divided into multiple lobes and fans in the direction of each lobe under resonance.
Preferably, the fan blades are arranged on a supporting column, the vibrator is fixedly arranged on the substrate through a mounting seat, the supporting column is connected with the vibrator, and the fan blades, the supporting column and the vibrator form a fan set.
Preferably, the vibrator is a piezoelectric vibrator or an electromagnetic vibrator.
Preferably, one or more layers of fan blades are arranged on the supporting column, and the multiple layers of fan blades work in the same direction.
Preferably, a plurality of layers of fan sets are arranged, each fan set is independently arranged on the mounting seat, and each layer of fan set works in the same direction or works in the opposite direction layer by layer under the control of the driving power supply.
A method for discharging air out of multi-direction fan vibration fan features that multiple fan blades are connected to vibrator, and when the signal frequency of vibrator is same or similar to the natural frequency of fan blades, the fan blades generate resonance, which can generate great reciprocating deflection, and the multiple fan blades can fan in the direction pointed by the fan blades.
Preferably, the vibrator is a piezoelectric actuator which can generate reciprocating deflection under the drive of an alternating electric field, and when the frequency of a driving signal of the piezoelectric actuator is adjusted to be consistent with or close to the natural frequency of the fan blade, the fan blade generates resonance, and the fan blade generates large-amplitude reciprocating deflection to respectively fan in multiple directions.
Preferably, when the vibrator is a piezoelectric vibrator, the multilayer fan set deflects in the same direction under the control of the driving power supply, and each fan blade deflects in one direction at the same time during the first half cycle of the driving signal and deflects in the opposite direction at the same time during the second half cycle of the driving signal, so that the fan effect is achieved; or the fan blades are set to be reversely deflected, and the fan blades on the upper layer deflect upwards when the fan blades on the lower layer deflect downwards during the first half cycle of the driving signal; in the second half period of the driving signal, when the lower layer fan blades deflect upwards, the upper layer fan blades deflect downwards to generate a fan effect.
Preferably, the vibrator is an electromagnetic vibrator which can generate vibration under the drive of an alternating electric field, and when the frequency of a driving signal of the electromagnetic vibrator is adjusted to be consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, and the fan blades generate large-amplitude reciprocating deflection to respectively fan in multiple directions. Has the advantages that: compared with the prior art, the invention has the following advantages:
the vibration fan with multidirectional fan can fan in multiple directions, especially from the middle to the periphery, under the conditions of small volume and low energy consumption, has good heat dissipation effect, has the characteristics of low power consumption, low noise, long service life and the like, and has better application prospect in the aspects of heat dissipation of high-power LEDs, small electronic equipment and the like.
Drawings
FIG. 1 is a schematic perspective view of a vibration fan with multi-directional fan;
FIG. 2 is a schematic plan view of a multi-directional fan of a vibration fan;
FIG. 3 is a schematic view of a multi-directional fan illustrating a static operation of a vibrating fan;
FIG. 4 is a schematic structural view of a multi-directional fan with multi-layered blades;
FIG. 5 is a schematic structural diagram of a multi-layer fan assembly for a multi-directional fan of a vibration fan;
fig. 6 is a schematic diagram of the vibration fan with multi-directional fan using an electromagnetic vibrator.
Detailed Description
The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, a multi-directional fanning vibration fan includes a fan blade 1, a support column 2, a vibrator 3, a mounting seat 4, and a substrate 5, wherein the fan blade 1 is disposed on the support column, the vibrator 3 is fixedly disposed on the substrate 5 through the mounting seat 4, the support column is connected with the vibrator 3, and the fan blade 1, the support column 2, and the vibrator 3 form a fan set.
The fan blade 1 is made of elastic materials, metal or nonmetal materials can be selected, the fan blade 1 is partially divided into a plurality of lobes, and the fan blade fans towards the direction of each lobe under resonance. In this embodiment, a fan blade 1 is partially divided into four lobes, the center of the fan blade 1 is mounted on a vibrator 3 through a support pillar 2, and the vibrator 3 is fixed on a substrate 5 through a mounting base 4.
The vibrator 3 adopts a piezoelectric vibrator, based on piezoelectric effect, the piezoelectric vibrator can generate reciprocating deflection under the drive of an alternating electric field, the piezoelectric vibrator 3 is driven according to fixed frequency, the piezoelectric vibrator 3 generates regular vibration with the same frequency, when the frequency of a driving signal is adjusted to be consistent with or close to the inherent frequency of the fan blade 1, the fan blade 1 generates resonance, and the fan blade 1 generates large-amplitude reciprocating deflection to form a fan effect. Four petals in the fan blade 1 fan air to the periphery respectively. The operating state is shown in fig. 3.
In order to increase the fan range, the fan can be designed into a multilayer fan blade 1 mode, as shown in fig. 4, the multilayer fan blade 1 is installed on the support column 2, and the plurality of fan blades 1 simultaneously work under the drive of the same vibration frequency, so that the heat dissipation requirements of different space sizes are met.
As shown in fig. 5, it can be designed that a plurality of fan sets are independently installed on the installation base 4, each fan set can adopt the same-direction deflection fan under the control of the driving power supply, during the first half cycle of the driving signal, each fan blade 1 deflects towards one direction at the same time, and during the second half cycle, each fan blade deflects towards the opposite direction at the same time, so as to achieve the fan effect. The fan can also be set to reversely deflect, and when the lower layer fan blade 1 deflects downwards during the first half cycle of the driving signal, the upper layer fan blade 1 deflects upwards; in the second half period of the driving signal, when the lower fan blade 1 deflects upward, the upper fan blade 1 deflects downward, and the fan effect is also generated. When the plurality of groups of independent fan blades 1 and the piezoelectric vibrators 3 work in the opposite direction, the beneficial effects of vibration reduction and noise reduction can be achieved, and the adverse effect of the vibration of the whole device on the base is inhibited.
The vibrator 3 can adopt an electromagnetic vibrator 3, based on magnetoelectric effect, the electromagnetic vibrator 3 can generate vibration under the drive of an alternating electric field, the electromagnetic vibrator 3 is driven according to fixed frequency, the electromagnetic vibrator 3 generates regular vibration with the same frequency, when the frequency of a drive signal is adjusted to be consistent with the inherent frequency of the fan blade 1, the fan blade 1 generates resonance, and the fan blade 1 generates large-amplitude reciprocating deflection to form a fan effect. Four petals in the fan blade 1 fan air to the periphery respectively. The operating state is shown in fig. 6.
The invention also discloses an air outlet method of the vibration fan with multi-directional fanning, wherein the vibrator 3 is connected with the multi-petal fan blades 1, the signal frequency of the driving vibrator 3 is consistent with the inherent frequency of the fan blades 1, the fan blades 1 generate resonance, the fan blades 1 generate large-amplitude reciprocating deflection, and the multi-petal fan blades 1 fan towards the direction pointed by the multi-petal fan blades.
The vibrator 3 adopts a piezoelectric vibrator which can generate reciprocating deflection under the drive of an alternating electric field, when the driving signal frequency of the piezoelectric vibrator is adjusted to be consistent with the inherent frequency of the fan blade 1, the fan blade 1 generates resonance, and the fan blade 1 generates large-amplitude reciprocating deflection and fans air in a plurality of directions respectively.
If a multilayer fan set is arranged, the vibrator 3 adopts a piezoelectric bimorph, the multilayer fan set adopts the same-direction deflection fan under the control of a driving power supply, each fan blade 1 deflects towards one direction simultaneously during the first half cycle of a driving signal, and the second half cycle deflects towards the opposite direction simultaneously, so that the fan effect is achieved; or the fan is set to be a reverse deflection fan, and when the lower layer fan blade 1 deflects downwards during the first half cycle of the driving signal, the upper layer fan blade 1 deflects upwards; in the second half period of the driving signal, when the lower layer fan blade 1 deflects upwards, the upper layer fan blade 1 deflects downwards to generate a fan effect.
The vibrator 3 adopts an electromagnetic vibrator 3, the electromagnetic vibrator 3 can generate vibration under the drive of an alternating electric field, when the driving signal frequency of the electromagnetic vibrator 3 is adjusted to be consistent with the inherent frequency of the fan blade 1, the fan blade 1 generates resonance, and the fan blade 1 generates large-amplitude reciprocating deflection and fans air in a plurality of directions respectively.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. A vibration fan with multidirectional fan is characterized in that: the fan comprises a vibrator and fan blades pointing to multiple directions, wherein the vibrator is connected with the fan blades and drives the vibrator to vibrate, and the fan blades generate amplitude along with the vibration, so that a fan effect is achieved; when the driving vibrator is consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, thereby greatly reciprocating and deflecting to form multidirectional fanning.
2. The multi-directional fanning vibratory fan of claim 1, wherein: the fan blades are made of elastic materials, are partially divided into a plurality of lobes, and fan towards the direction of each lobe under resonance.
3. The multi-directional fanning vibratory fan of claim 1 or 2, wherein: the fan blades are arranged on the supporting columns, the supporting columns are connected with the vibrators, the vibrators are fixedly arranged on the substrate through mounting seats, and the fan blades, the supporting columns and the vibrators form a fan set.
4. The multi-directional fanning vibratory fan of claim 3, wherein: the vibrator is a piezoelectric vibrator or an electromagnetic vibrator.
5. The multi-directional fanning vibratory fan of claim 4, wherein: one or more layers of fan blades are arranged on the supporting column, and the layers of fan blades work in the same direction.
6. The multi-directional fanning vibratory fan of claim 4, wherein: the fan set comprises a plurality of layers of fan sets, each fan set is independently arranged on a mounting seat, and each layer of fan set works in the same direction or in opposite directions layer by layer under the control of a driving power supply.
7. A method of discharging air from a multi-directional blowing vibration fan as claimed in any one of claims 1 to 6, wherein: the multi-petal fan blades are connected to the vibrator, when the frequency of the driving vibrator is consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, the fan blades generate large-amplitude reciprocating deflection, and the multi-petal fan blades fan towards the direction pointed by the multi-petal fan blades.
8. The method of claim 7, wherein: the fan blade is driven by an alternating electric field to generate reciprocating deflection, when the frequency of a driving signal of the piezoelectric vibrator is adjusted to be consistent with or close to the natural frequency of the fan blade, the fan blade generates resonance, and the fan blade generates large-amplitude reciprocating deflection and fans in multiple directions respectively.
9. The method of claim 8, wherein: the multi-layer fan set adopts the equidirectional deflection fan under the control of the driving power supply, each fan blade deflects towards one direction simultaneously during the first half cycle of the driving signal, and the second half cycle deflects towards the opposite direction simultaneously, so that the fan effect is achieved; or the fan blades are set to be reversely deflected, and the fan blades on the upper layer deflect upwards when the fan blades on the lower layer deflect downwards during the first half cycle of the driving signal; in the second half period of the driving signal, when the lower layer fan blades deflect upwards, the upper layer fan blades deflect downwards to generate a fan effect.
10. The method of claim 7, wherein: the vibrator adopts an electromagnetic vibrator which can generate vibration under the drive of an alternating electric field, when the driving signal frequency of the electromagnetic vibrator is adjusted to be consistent with or close to the natural frequency of the fan blades, the fan blades generate resonance, and the fan blades generate large-amplitude reciprocating deflection and fan in multiple directions respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951333.8A CN111963467A (en) | 2020-09-10 | 2020-09-10 | Vibration fan with multidirectional fan and air outlet method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010951333.8A CN111963467A (en) | 2020-09-10 | 2020-09-10 | Vibration fan with multidirectional fan and air outlet method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963467A true CN111963467A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010951333.8A Pending CN111963467A (en) | 2020-09-10 | 2020-09-10 | Vibration fan with multidirectional fan and air outlet method |
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| Country | Link |
|---|---|
| CN (1) | CN111963467A (en) |
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2020
- 2020-09-10 CN CN202010951333.8A patent/CN111963467A/en active Pending
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