Ultrasonic cleaning equipment based on Fresnel lens

By using a Fresnel lens in ultrasonic cleaning equipment to focus sound wave energy at a focal point, the problems of high energy consumption, poor cleaning effect, and thermal damage are solved, achieving a highly efficient and energy-saving cleaning effect.

CN224253694UActive Publication Date: 2026-05-19ANHUI UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202521158597.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-09
Publication Date
2026-05-19
Estimated Expiration
2035-06-09

AI Technical Summary

Technical Problem

Existing ultrasonic cleaning equipment suffers from high energy consumption, poor cleaning effect, limited cleaning range, and may cause heat damage or surface scratches to the items being cleaned.

Method used

By using a Fresnel lens to connect the ultrasonic transducer to the cleaning container, the focusing characteristics of the Fresnel lens are utilized to concentrate the sound wave energy at the focal point, achieving efficient cleaning at low power and avoiding thermal effects and surface damage.

Benefits of technology

Improve cleaning performance at low power, save energy, reduce thermal damage to samples, avoid surface damage, expand the cleaning range, and reduce system cost and installation complexity.

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Abstract

The utility model discloses ultrasonic cleaning equipment based on a Fresnel lens. The ultrasonic cleaning equipment comprises an ultrasonic generator; an ultrasonic transducer; the ultrasonic cleaning device comprises an ultrasonic transducer, a Fresnel lens and a cleaning container, the Fresnel lens is located between the output end of the ultrasonic transducer and the cleaning container, one end face of the Fresnel lens is tightly attached to an outer shell of the cleaning container, and the other end face of the Fresnel lens is tightly attached to the output end of the ultrasonic transducer; and the placing position of an object to be cleaned in the cleaning container is the focal point of the Fresnel lens. By means of the device, the sound pressure and the sound intensity of an accumulation area can be improved, the time of single-time cleaning is shortened, the energy utilization rate is improved, damage to samples caused by heat effect accumulation is avoided, and meanwhile damage to the surfaces of cleaned objects caused by uneven cavitation due to low power is avoided.
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