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Piezoelectric ceramic ultrasonic atomizing sheet

A technology of ultrasonic atomizing sheet and piezoelectric ceramic sheet is applied in the field of atomizing sheet, which can solve the problems of low energy conversion efficiency in radial drive mode, easy blockage of micropores, and high processing difficulty, so as to widen the scope of atomization effect and not easy to The effect of falling off and good atomization effect

Inactive Publication Date: 2012-07-11
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low energy conversion efficiency of the radial drive mode, and because the micropores on the metal diaphragm have to be controlled in a small range, the processing is difficult, and the micropores are easy to block during use

Method used

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  • Piezoelectric ceramic ultrasonic atomizing sheet
  • Piezoelectric ceramic ultrasonic atomizing sheet
  • Piezoelectric ceramic ultrasonic atomizing sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 , figure 2 , image 3 As shown, the piezoelectric ceramic ultrasonic atomizing sheet of the present embodiment includes a set of three piezoelectric ceramic sheets, that is, the first piezoelectric ceramic sheet 11, the second piezoelectric ceramic sheet 12, and the third piezoelectric ceramic sheet 13. The piezoelectric ceramic sheet group 1 and a group of metal sheet groups 2 composed of 2 metal sheets, that is, the first metal sheet 21 and the second metal sheet surface 22; in the piezoelectric ceramic sheet group 1, the first piezoelectric ceramic The sheet is provided with a first through hole 14, the second piezoelectric ceramic sheet is provided with a second through hole 14', and the third piezoelectric ceramic sheet is provided with a third through hole 14''; the piezoelectric ceramic sheet and the metal sheet Interspersed with each other, that is, according to the order from the top to the first piezoelectric ceramic sheet 11, the first me...

Embodiment 2

[0050] like Figure 4 As shown, the piezoelectric ceramic ultrasonic atomizing sheet of the present embodiment includes a group of three piezoelectric ceramic sheets, that is, a first piezoelectric ceramic sheet 41, a second piezoelectric ceramic sheet 42, and a third piezoelectric ceramic sheet 43. A piezoelectric ceramic sheet group and a group of metal sheet groups composed of 2 metal sheets, that is, the first metal sheet 51 and the second metal sheet surface 52; the first piezoelectric ceramic sheet is provided with a first through hole 411, and the second piezoelectric ceramic sheet The sheet is provided with a second through hole 421, and the third piezoelectric ceramic sheet is provided with a third through hole 431; the piezoelectric ceramic sheet and the metal sheet are stacked on each other, that is to say, from the top to the first piezoelectric ceramic sheet sheet 41, the first metal sheet 51, the second piezoelectric ceramic sheet 42, the second metal sheet 52, a...

Embodiment 3

[0057] like Figure 9 As shown, another embodiment of the present invention is provided, which adopts a structure similar to Embodiment 1 and Implementation 2, and also uses three piezoelectric ceramic sheets and two metal sheets, and each piezoelectric ceramic sheet and each metal sheet are connected to each other. Arranged in a staggered order. Among them, the first metal sheet 8 is provided with a large number of first atomization holes 81, which cover the piezoceramic through-holes in a flat shape; the second metal sheet 9 is provided with a large number of second atomization holes 91, which cover the piezoceramic through-holes. The portion of the hole has a convex cap shape. This embodiment can realize the mutual coupling of bending vibration and axial vibration of the metal sheet, overcome the defect that the existing atomizing sheet can only vibrate in one direction, and achieve a better atomizing effect.

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Abstract

The invention discloses a piezoelectric ceramic ultrasonic atomizing sheet, comprising a piezoelectric ceramic sheet group and a metal sheet group, wherein the piezoelectric ceramic sheet group consists of at least two piezoelectric ceramic sheets, and the metal sheet group consists of at least one metal sheet. In the piezoelectric ceramic sheet group, through holes are arranged on the piezoelectric ceramic sheets; the piezoelectric ceramic sheets and the metal sheets are mutually crossed and overlapped; and the metal sheets cover the through holes entirely. The piezoelectric ceramic ultrasonic atomizing sheet disclosed by the invention is in a multilayer clamping structure, the metal sheets and the piezoelectric ceramic sheets have high bonding strength and are difficult to fall of, so that the metal sheets of one atomizing sheet are combined in various vibration modes, namely axial bending vibration and radial stretching vibration, is realized. Therefore, the vibration modes of the atomizing sheet with the structure are increased and the atomizing effect range of the atomizing sheet is widened.

Description

[0001] Technical field [0002] This patent involves a atomization tablet for liquids for atomization, especially an ultrasonic atomizer with piezoelectric ceramic materials. [0003] Background technique [0004] The effect of liquid vibration through the voltage of the voltage ultrasonic lid tablets can atomize it. This is a well -known technology, that is, the liquid molecular structure of the liquid molecularity is dispersed through high -frequency vibration. [0005] In the existing technology, the voltage ultrasonic ultrasonic atomizer is mainly used in two forms of single -layer metal double -layer ceramic clamping type and single -layer metal single -piece ceramic sheet.The plane vibration (axial bending vibration and radial telescopic vibration) mode of the tablet to drive metal membrane vibration and liquid atomization, such as the patent number 200320110900.9, named "Ultrasonic Crusterization Moom Tablets" in China.The atomization tablets of the patent number of 201020...

Claims

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Application Information

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IPC IPC(8): B05B17/06
CPCB05B17/0646
Inventor 张建辉胡方军纪晶
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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