Cissoid line type low-frequency ultrasonic three-time atomizing spray head

A vine-shaped, atomizing nozzle technology, applied in the direction of spray device, liquid spray device, etc., to achieve the effect of small metal volume and less heat generation

Inactive Publication Date: 2015-01-28
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This ultrasonic nozzle can only produce secondary atomization

Method used

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  • Cissoid line type low-frequency ultrasonic three-time atomizing spray head
  • Cissoid line type low-frequency ultrasonic three-time atomizing spray head
  • Cissoid line type low-frequency ultrasonic three-time atomizing spray head

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 , image 3 , Figure 4 , Figure 5 As shown, the size of the entire ultrasonic atomizing nozzle is one ultrasonic pressure wave wavelength. The middle of the two piezoelectric ceramics 3 is the nodal surface 1, the distance between the nodal surface 1 and the left end surface of the ultrasonic atomizing nozzle is 1 / 4 wavelength, and the nodal surface 1 is 1 / 4 wavelength from the right end surface of the front cover. The midpoint of the flange 14 is the nodal surface 2, the distance between the nodal surface 2 and the right end surface of the front cover is 1 / 4 wavelength, and the nodal surface 2 is 1 / 4 wavelength from the right end surface of the ultrasonic atomizing nozzle. The left ends of the two piezoelectric ceramics 3 are respectively connected to a thin electrode 2 . The thin electrode 2 at the left...

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PUM

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Abstract

The invention discloses a cissoid line type low-frequency ultrasonic three-time atomizing spray head. The overall vibration direction of the spray head is an axial direction. The cissoid line type low-frequency ultrasonic three-time atomizing spray head has the benefits that the cissoid line type low-frequency ultrasonic three-time atomizing spray head adopts a cissoid line type composite amplitude transformer; the cissoid line type composite amplitude transformer has small metal volume and less heating and overcomes the defect that a conical amplitude transformer and a ladder-shaped amplitude transformer have large metal volume and more heating; through the cissoid line type low-frequency ultrasonic three-time atomizing spray head, under the wind force action of a fan at an air inlet pipe, fog drops are subjected to tertiary atomization on the right end surface of a metal sheet, so that the defect that ultra-fine fog drops are hard to generate by low-frequency ultrasonic atomization is overcome; the cissoid line type low-frequency ultrasonic three-time atomizing spray head can be used for atomization cultivation, ultrasonic spraying and other fields.

Description

technical field [0001] The invention belongs to the field of atomization cultivation, and in particular relates to an ultrasonic atomization nozzle technology. Background technique [0002] Ultrasonic nebulizer has a wide application prospect in the field of agricultural engineering due to its advantages of fine and uniform droplet size. Ultrasonic atomization refers to the use of high-frequency electronic oscillation, 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, Bezier and stepped. The conical horn has a simple structure and is easy to design and manufacture, but its magnification factor is low; the stepped horn has a high magnification factor, but also has high stress concentration and is easy to break. Conical horns ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B17/06
CPCB05B17/063B05B17/0638
Inventor 高建民张竞宇
Owner JIANGSU UNIV
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