Compact Sterilizing Sprayer With Piezoelectric Vibration Damping
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Solution Overview
Problem
Existing disinfection devices are cumbersome and difficult to transport or wear due to their complex structure and vibration, necessitating a compact and easy-to-use sprayer for sterilization and insecticide application in environments like food factories and large-scale restaurants.
Innovation Solution
A sterilizing and insecticidal sprayer with a compact design, incorporating a sterilized water container, insecticidal liquid container, three-way valve, vibration generator, piezoelectric element, and horn body structure that reduces vibration and impact through a horn body buffer portion and blade vibration plates, allowing for easy transportation and installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a vaporization disinfection device is used to spray disinfectants, then the disinfection effect is improved, but the structure becomes complicated and vibration is generated making it difficult to wear or move
Solution Approach 1:
The patent combines the sterilized water sprayer and insecticidal liquid sprayer into a single integrated device. The sterilized water container and insecticidal liquid container are positioned adjacently, sharing common components such as the compressed air supply system, three-way valve, and horn body structure. This merging reduces overall structural complexity while maintaining both sterilization and insecticide application functions.
Solution Approach 2:
The integrated sprayer device performs multiple functions: sterilization through sterilized water spray, insecticide application through vaporized insecticidal liquid, and uses a unified compressed air supply system for both operations. The three-way valve enables selective operation between sterilization mode and insecticide mode, providing multi-functionality in a single device.
2Reliability
If a vaporization disinfection device is used to spray disinfectants, then the disinfection effect is improved, but vibration is generated making it difficult to wear or move
Solution Approach 1:
By merging both sprayers into one integrated unit with shared components, the overall weight and bulk are reduced compared to carrying two separate devices. The common compressed air supply and horn body structure eliminate redundant parts, making the device more portable and easier to wear while maintaining effective sterilization and insecticide application.
3Ease of operation
If a compact structure is designed for the sprayer, then ease of transport and installation is improved, but the device complexity may increase
Solution Approach 1:
The patent employs a nested arrangement where the horn body structure contains the vibration generator, which in turn contains the piezoelectric element and inner tube. The circulating flow chamber is formed within the space between the horn body and vibration generator exterior portion. This nested configuration achieves compactness while organizing components systematically to manage structural complexity.
Solution Approach 2:
The horn body buffer portion extends along the axial direction with a gradually decreasing width, creating a tapered structure that reduces vibration and impact. This dimensional variation in the horn body design allows for compact packaging while managing the complexity of vibration reduction mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The sprayer achieves a reduced overall size and minimized vibration, enabling convenient use and effective sterilization and insecticide application without the complexity and vibration issues of traditional devices.
Implementation Method 1
a vibration generator positioned in the insecticidal liquid container so as to generate vibration by the compressed air supplied from a compressor and a piezoelectric element
Implementation Method 2
a horn body buffer portion (222B) in which the compressed air of the circulating flow chamber passes through the exterior hole and collides with the N blade vibration plates and the bottom vibration plates, and which has a shape with a with that gradually decreases from the horn body hole to a lower portion of the horn body
Implementation Method 3
a vibration generator positioned in the insecticidal liquid container so as to generate vibration by the compressed air supplied from a compressor
Data Source
AI summary
A sterilizing and insecticidal sprayer comprising: a sterilizing water container in which sterilizing water is stored; an insecticidal liquid container in which an insecticidal liquid is stored; a three-way valve switched such that compressed air is selectively used to spray sterilizing water from the sterilizing water container, or supplied to the insecticidal liquid container; a vibration generator positioned in the insecticidal liquid container so as to generate vibrations by means of compressed air supplied from a compressor and a piezoelectric element; a piezoelectric element positioned above the vibration generator; an inner tube extending upwards/downwards through the axial center of the vibration generator so as to transfer compressed air; a horn body positioned below the piezoelectric element so as to contain the inner tube; a horn body hole penetrating the horn body from the inner tube; and a circulating flow chamber.