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Ultrasonic atomizer

A technology of ultrasonic atomizer and ultrasonic atomizing sheet, which is applied in the direction of injection device, liquid injection device, fluid using vibration, etc. lower problem

Pending Publication Date: 2020-10-20
钟术光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The piezoelectric ceramics used in the atomizing sheet basically adopts a drive mode in the length-width direction and not in the thickness direction. This stretching vibration in the length-width direction and not in the thickness direction makes the atomization efficiency of the ultrasonic atomizer in the invention very low, and If the center of the ultrasonic atomizing sheet vibrates too much, the heat will be severe, the noise will be loud, and it may be damaged

Method used

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specific example

[0080] Other specific examples are: single-component systems such as BaTiO3, PbTiO3, KxWO3, PbNb2O6, etc.; two-component systems such as PbTiO3-PbZrO3, PbTiO3-Pb(Mg1 / 3Nb2 / 3)O3, etc.; and three-component systems such as PbTiO3-PbZrO3 -Pb(Mg1 / 3Nb2 / 3)O3, PbTiO3-PbZrO3-Pb(Col / 3Nb2 / 3)O3, K1-x-zNaxLizNO3 (such as {LiX(K1-YNaY)1-X)(Nb1-Z-WTaZSbW) O3 etc.) etc. For specific examples of composite oxides and compounds that can be used in the present invention, see CN1206700A. Derivatives of the substances shown in Table 1 obtained by partially replacing Pb with any of Ba, Sr, Ca, etc., or partially replacing Ti with Sn, Hf, etc., can also be used.

[0081] The aforementioned piezoelectric ceramic plate material can also be mixed with a polymer material to form a piezoelectric sheet. Examples of the above-mentioned polymer materials are fluoroplastics (such as polyvinylidene fluoride, polytetrafluoroethylene), polylactic acid, and silica gel.

[0082] The piezoelectric ceramic preferably c...

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Abstract

The invention relates to an ultrasonic atomizer. The ultrasonic atomizer comprises an ultrasonic atomization sheet and a porous body. The ultrasonic atomization sheet comprises a piezoelectric ceramicplate and a vibrating plate. The piezoelectric ceramic plate is arranged on the vibrating plate, opposite electrodes are arranged on two opposite surfaces of the piezoelectric ceramic plate and / or between the two opposition surfaces of the piezoelectric ceramic plate as piezoelectric active areas, the porous body is arranged on the surface of the ultrasonic atomization sheet, and an alternating current is applied between the two electrodes, so that the ultrasonic atomization sheet vibrates in a thickness direction of the ultrasonic atomization sheet, and a liquid in the porous body can be atomized by means of vibration. The atomizer improves the atomizing efficiency remarkably; the temperature raising range is decreased remarkably and the noise is reduced remarkably during atomization, the ultrasonic atomizer is unlikely to damage, and the mechanical strength is improved remarkably; the ultrasonic atomizer can be used in a microminiature portable device, and is reduced in size, lightand thin and convenient to carry; and the ultrasonic atomizer is relatively more in application.

Description

【Technical Field】 [0001] The invention relates to an ultrasonic atomizer. More specifically, the present invention relates to a multi-purpose ultrasonic atomizer with improved performance. [0002] 【technical background】 [0003] The current ultrasonic atomizer or ultrasonic atomizer sheet typically has a structure in which a vibrating sheet is formed by bonding a circular metal plate to one surface of a circular piezoelectric ceramic plate, wherein the piezoelectric ceramic plate The peripheral part is supported in the circular wall of the metal plate, in which the piezoelectric ceramic plate has a through hole in the center, and the metal plate has a through hole atomization area in the center, which is opposite to the through hole. However, this kind of ultrasonic atomizer or ultrasonic atomizer sheet has many disadvantages, such as its effective vibration displacement is small, it is difficult to obtain strong vibration, the effective energy conversion efficiency is low, the a...

Claims

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Application Information

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IPC IPC(8): B06B1/06B05B17/06
CPCB05B17/0607B05B17/0653B06B1/0648B06B2201/76B06B2201/77
Inventor 钟术光
Owner 钟术光
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