CN111963467A - Vibrating fan with multi-directional fan and air outlet method - Google Patents

Abstract

The invention discloses a vibrating fan with a multi-directional fan, comprising a vibrator and fan blades pointing in multiple directions. The vibrator is connected with the fan blade, and the vibrator is driven to generate vibration, and the blade also generates an amplitude, which acts as a fan. Wind effect; when the natural frequency of the driving vibrator and the fan blade are consistent or similar, the fan blade will resonate, which will deflect reciprocatingly and form a multi-directional fan. The invention also discloses a multi-directional fan blowing method for blowing out the air of the vibrating fan. The multi-directional fan vibration fan of the present invention can fan in multiple directions under the condition of small size and low energy consumption, has good heat dissipation effect, and has the characteristics of low power consumption, low noise, long life and the like. , small electronic equipment heat dissipation and other aspects have good application prospects.

Description

Vibrating fan with multi-directional fan and air outlet method

technical field

The invention belongs to the technical field of heat dissipation, and in particular relates to a vibrating fan with a multi-directional fan.

Background technique

The fan is a traditional heat dissipation device. The conventional fan adopts the electromagnetic principle. The fan blade rotates under the change of magnetoelectricity. The fan blade is designed at an inclined angle. Under the high-speed rotation, an axial fan effect is produced. The existing fan only has a fan effect in a single direction, and the application in certain occasions is limited.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is that the heat dissipation direction of the existing fan is fixed, the volume is large, and the application occasion is limited.

Technical scheme: in order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is as follows:

A vibrating fan with a multi-directional fan, comprising a vibrator and fan blades pointing in multiple directions, the vibrator is connected with the fan blade, and the vibrator is driven to generate vibration, and the blade also generates an amplitude accordingly, which has a fan effect; When the natural frequency of the drive vibrator and the fan blade is consistent or similar, the fan blade will resonate, and thus will be deflected back and forth in a large amount, forming a multi-directional fan.

Preferably, the fan blade is made of elastic material, the fan blade is partially divided into multiple lobes, and the fan is fanned in the direction of each lobe under resonance.

Preferably, the fan blade is arranged on a support column, the vibrator is fixedly arranged on the base plate through a mounting seat, the support column is connected with the vibrator, and the fan blade, the support column and the vibrator form a fan group.

Preferably, the vibrator is a piezoelectric vibrator or an electromagnetic vibrator.

Preferably, one or more layers of fan blades are arranged on the support column, and the multi-layer fan blades work in the same direction.

Preferably, multi-layer fan groups are provided, each fan group is independently arranged on the mounting base, and under the control of the driving power supply, each layer of fan groups works in the same direction or in reverse layer by layer.

A multi-directional fan blowing method for ventilating a vibrating fan. A multi-lobed fan blade is connected to a vibrator. When the frequency of the driving vibrator signal is consistent with or close to the natural frequency of the fan blade, the fan blade resonates, and the fan blade generates a large amplitude. Reciprocating deflection, the multi-lobe fan blades fan in the direction they point.

Preferably, the vibrator adopts a piezoelectric driver, and the piezoelectric driver can generate reciprocating deflection under the driving of an alternating electric field. When the frequency of the driving signal of the piezoelectric driver is adjusted to be consistent with or close to the natural frequency of the fan blade, the fan blade will resonate and the fan will resonate. The blades are deflected to and fro in a large amount, fanning the wind in multiple directions respectively.

Preferably, when the vibrator is a piezoelectric vibrator, the multi-layer fan group adopts the same direction deflection fan under the control of the driving power supply, and during the first half cycle of the driving signal, each fan blade is deflected in one direction at the same time, In the second half cycle, the fan is deflected in the opposite direction at the same time to play a fan effect; or it is set as a reverse deflection fan. During the first half cycle of the driving signal, when the lower fan blade is deflected downward, the upper fan blade is deflected upward; In the second half cycle of the signal, when the lower fan blade deflects upward, the upper fan blade deflects downward to produce a fan effect.

Preferably, the vibrator is an electromagnetic vibrator, and the electromagnetic vibrator can generate vibration under the driving of an alternating electric field. When the frequency of the driving signal of the electromagnetic vibrator is adjusted to be consistent with or close to the natural frequency of the fan blade, the fan blade will resonate, and the fan will resonate. The blades are deflected to and fro in a large amount, fanning the wind in multiple directions respectively. Beneficial effect: Compared with the prior art, the present invention has the following advantages:

The multi-directional fan vibration fan of the present invention can fan in multiple directions under the conditions of small size and low energy consumption, especially from the middle to the surrounding, with good heat dissipation effect, low power consumption, low noise, Long life and other characteristics, it has good application prospects in high-power LED, heat dissipation of small electronic equipment, etc.

Description of drawings

1 is a schematic diagram of a three-dimensional structure of a vibrating fan of a multi-directional fan;

Fig. 2 is the plane structure schematic diagram of the vibrating fan of the multi-directional fan;

3 is a schematic diagram of a static working state of a vibrating fan of a multi-directional fan;

FIG. 4 is a schematic structural diagram of a multi-directional fan blowing vibrating fan using multi-layer blades;

5 is a schematic structural diagram of a multi-directional fan fan using a multi-layer fan group;

FIG. 6 is a schematic diagram of the operation of a multi-directional fan with an electromagnetic vibrator.

Detailed ways

The present invention will be further illustrated below in conjunction with specific examples, which are implemented on the premise of the technical solutions of the present invention. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention.

As shown in Fig. 1 and Fig. 2, a multi-directional fan blowing vibrating fan includes a fan blade 1, a support column 2, a vibrator 3, a mounting seat 4, and a base plate 5. The fan blade 1 is arranged on the support column, and the vibrator 3 is fixed on the base plate 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 group.

The fan blade 1 is made of elastic material, and metal or non-metal material can be selected. The fan blade 1 is partially divided into multiple lobes, and fans are fanned in the direction of each lobe under resonance. In this embodiment, the fan blade 1 is partially divided into four parts, the center of the fan blade 1 is mounted on the vibrator 3 through the support column 2 , and the vibrator 3 is fixed on the base plate 5 through the mounting seat 4 .

The vibrator 3 adopts a piezoelectric vibrator. Based on the piezoelectric effect, the piezoelectric vibrator can generate reciprocating deflection under the driving of an alternating electric field. The piezoelectric vibrator 3 is driven at a fixed frequency, and the piezoelectric vibrator 3 generates the law of the same frequency. Vibration, when the frequency of the drive signal is adjusted to be consistent with or close to the natural frequency of the fan blade 1, the fan blade 1 will resonate, and the fan blade 1 will undergo a large reciprocating deflection to form a fan effect. The four petals in the fan blade 1 are fanned to the surrounding area respectively. The working state is shown in Figure 3.

In order to increase the fan range, it can be designed as a multi-layer fan blade 1 mode. As shown in Figure 4, a multi-layer fan blade 1 is installed on the support column 2, and the multiple fan blades 1 are driven by the same vibration frequency. Heat dissipation requirements for different space sizes.

As shown in Figure 5, a multi-layer fan group can be designed to be installed independently on the mounting base 4. Each group of fan groups can use the same-direction deflection fan under the control of the driving power supply. During the first half cycle of the driving signal, each fan The blade 1 is deflected in one direction at the same time, and then deflected in the opposite direction at the same time in the second half cycle, which has a fan effect. It can also be set as a reverse deflection fan. During the first half cycle of the drive signal, when the lower fan blade 1 deflects downward, the upper fan blade 1 deflects upward; in the second half cycle of the drive signal, the lower fan blade 1 deflects upward. When the fan blade 1 of the upper layer is deflected downward, the fan effect is also produced. When multiple sets of independent fan blades 1 and piezoelectric vibrators 3 are arranged to work in opposite directions, the advantageous effects of vibration reduction and noise reduction can be achieved, and the adverse effects of the vibration of the entire device on the base can be suppressed.

The vibrator 3 can use an electromagnetic vibrator 3. Based on the magnetoelectric effect, the electromagnetic vibrator 3 can generate vibration under the driving of an alternating electric field, and the electromagnetic vibrator 3 is driven according to a fixed frequency, and the electromagnetic vibrator 3 generates a regular vibration of the same frequency. When the frequency of the drive signal is adjusted to be consistent with the natural frequency of the fan blade 1, the fan blade 1 will resonate, and the fan blade 1 will undergo a large reciprocating deflection to form a fan effect. The four petals in the fan blade 1 are fanned to the surrounding area respectively. The working state is shown in Figure 6.

The invention also discloses a multi-directional fan blowing method for blowing out the air of the vibrating fan. The multi-lobed fan blade 1 is connected to the vibrator 3, the signal frequency of the driving vibrator 3 is consistent with the natural frequency of the fan blade 1, and the fan blade 1 resonates. , the fan blade 1 is deflected to and fro in a large amount, and the multi-lobe fan blade 1 blows the wind in the direction it points.

The vibrator 3 adopts a piezoelectric vibrator. The piezoelectric vibrator can generate reciprocating deflection under the driving of an alternating electric field. When the frequency of the driving signal of the piezoelectric vibrator is adjusted to be consistent with the natural frequency of the fan blade 1, the fan blade 1 will resonate and the fan blade will resonate. 1. A large amount of reciprocating deflection is generated, and the fan is fanned in multiple directions.

If a multi-layer fan group is set, the vibrator 3 adopts piezoelectric bimorph, and the multi-layer fan group adopts 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 moves to one The direction deflects, and then deflects in the opposite direction at the same time in the second half cycle to play a fan effect; or set as a reverse deflection fan, during the first half cycle of the drive signal, when the lower fan blade 1 is deflected downward, the upper fan blade 1 goes to Upward deflection; in the second half cycle of the driving signal, when the lower fan blade 1 is deflected upward, the upper fan blade 1 is deflected downward to produce a fan effect.

The vibrator 3 adopts an electromagnetic vibrator 3, which can generate vibration under the driving of an alternating electric field. When the frequency of the driving signal of the electromagnetic vibrator 3 is adjusted to be consistent with the natural frequency of the fan blade 1, the fan blade 1 resonates, and the fan blade 1 resonates. 1. A large amount of reciprocating deflection is generated, and the fan is fanned in multiple directions.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be regarded as It is 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.

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