Medium-frequency ultrasonic atomization spray nozzle for Gaussian complex angle and design method of medium-frequency ultrasonic atomization spray nozzle

A technology of ultrasonic atomization and design method, which can be applied to spray devices, liquid spray devices, etc., and can solve problems such as high stress concentration, large droplets, and easy breakage.

Inactive Publication Date: 2013-12-11
JIANGSU UNIV
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  • Abstract
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Problems solved by technology

[0006] The invention provides a design method of a Gaussian composite angle intermediate frequency ultrasonic atomizing nozzle and a Gaussian composite angle intermediate frequency ultrasonic atomizing nozzle designed according to the method to solve the poor reliability of the existing high freq

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  • Medium-frequency ultrasonic atomization spray nozzle for Gaussian complex angle and design method of medium-frequency ultrasonic atomization spray nozzle
  • Medium-frequency ultrasonic atomization spray nozzle for Gaussian complex angle and design method of medium-frequency ultrasonic atomization spray nozzle
  • Medium-frequency ultrasonic atomization spray nozzle for Gaussian complex angle and design method of medium-frequency ultrasonic atomization spray nozzle

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Embodiment Construction

[0027] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] Such as figure 1 Shown is the principle diagram of the intermediate frequency ultrasonic atomizing nozzle with Gaussian complex angle of the present invention. It consists of an ultrasonic transducer and a Gaussian composite angle horn 1.

[0029] The Gaussian composite angle horn 1 is composed of a cylindrical horn and a Gaussian horn, and a Gaussian horn with a quarter wavelength is used at one end of the high amplitude; a quarter wavelength can be used at the low amplitude end. Cylindrical horn with one wavelength.

[0030] The ultrasonic transducer is composed of a transducer front cover 3 and a transducer rear cover 8, the transducer front cover 3 is connected with the Gaussian angle horn 1, the transducer front cover 3 is connected with the transducer Piezoelectric ceramics 9 are provided between the rear cover plat...

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Abstract

The invention discloses a design method of a medium-frequency ultrasonic atomization spray nozzle for a Gaussian complex angle and the medium-frequency ultrasonic atomization spray nozzle for the Gaussian complex angle designed according to the method. The design method concretely comprises the following steps that the corresponding cross section variation rule is derived according to the specified requirements of the constant strain, an amplitude-change pole part of the ultrasonic atomization spray nozzle is designed, then, an energy converter part matched with the amplitude-change pole is designed, and finally, the ultrasonic atomization spray nozzle with uniform stress distribution and high vibration amplitude can be obtained. The invention also discloses the medium-frequency ultrasonic atomization spray nozzle for the Gaussian complex angle, and the medium-frequency ultrasonic atomization spray nozzle consists of the energy converter and the amplitude-change pole of the Gaussian complex angle. The stress distribution in the axial direction of the pole is uniform, i.e. no maximum value exists, so greater vibration amplitude can be obtained from the output end along with the shape factor increase of the amplitude-change pole.

Description

technical field [0001] The invention relates to an ultrasonic atomizer used in the field of industry and agriculture, and in particular relates to a structural design method of the ultrasonic atomizer and an ultrasonic atomization nozzle adopting the design method. Background technique [0002] Ultrasonic atomization refers to the use of high-frequency electronic vibration, through the high-frequency resonance of the ceramic atomization sheet, to break up the molecular structure of liquid water to produce natural and elegant water mist, without heating or adding any chemical reagents. At present, the main shapes of the horn of the ultrasonic atomizing nozzle are conical, exponential, catenary, Bezier and stepped. The conical horn has a simple structure and is easy to design and manufacture, but its magnification factor is low; the exponential and catenary horns have smooth stress distribution, but its magnification factor is low; the stepped horn has a high magnification fac...

Claims

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Application Information

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IPC IPC(8): B05B17/06
CPCB05B17/063
Inventor 高建民陆岱鹏
Owner JIANGSU UNIV
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