Ultrasonic Humidifier Modular Design for Easy Cleaning and Maintenance
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Solution Overview
Problem
Ultrasonic humidifiers are difficult to clean and maintain, with integrated water tanks and piezo electronic devices being prone to bacterial growth and requiring the entire unit to be replaced if damaged.
Innovation Solution
A modular design with a separable first housing for water and piezoelectric transducer components, allowing for easy cleaning and replacement, combined with a second housing for electronic components that includes a motor-driven valve system and wireless control for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the humidifier uses an integrated water tank and piezo electronic device design, then the device structure is compact and simple, but the entire unit becomes unusable if damaged and difficult to clean
Solution Approach 1:
The humidifier is divided into separate modules: a first housing containing the water tank and piezoelectric transducer that can be removed and cleaned independently, and a second housing containing the electronic components. This segmentation allows the water-containing portions to be easily disassembled for cleaning while protecting the electronic components, resolving the contradiction between structural simplicity and ease of maintenance.
2Ease of manufacture
If the water tank and piezo electronic device are integrated, then manufacturing is simpler, but bacterial growth becomes a problem in hard-to-reach areas
Solution Approach 1:
By separating the water tank and piezoelectric transducer assembly from the electronic components into a removable first housing, the design creates accessible surfaces that can be thoroughly cleaned to prevent bacterial growth, while still maintaining manufacturing simplicity through modular assembly.
Solution Approach 2:
The water-containing components are extracted into a separate removable housing that can be taken out for cleaning, eliminating the bacterial growth problem in hard-to-reach areas while keeping the main unit intact.
3Reliability
If the entire humidifier unit is replaced when damaged, then component reliability is maintained, but cost and waste increase
Solution Approach 1:
The modular design with replaceable first housing allows only the damaged portion to be replaced or repaired, maintaining component reliability while preventing the need to replace the entire unit, thus reducing material waste and cost.
Solution Approach 2:
The design enables selective replacement of only the necessary components (water tank or piezoelectric transducer) while recovering and retaining the functional electronic housing, reducing waste and extending the overall device lifespan.
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
Facilitates easy cleaning and maintenance by allowing the piezo puck to be disassembled and washed, while ensuring reliable operation with controlled water flow and humidity management, reducing bacterial growth and extending the device's lifespan.
Implementation Method 1
a piezoelectric transducer installed in the central chamber for atomizing water
Implementation Method 2
a forced air source for forcing air out of the second air outlet
Data Source
AI summary
A humidifier includes a first housing removably connected to a second housing that includes the majority of the electrical components of the humidifier. The first housing includes a first air inlet for accepting air; a first air outlet; a central chamber for holding water; a piezoelectric transducer installed in the central chamber for atomizing water; and a first electrical connector electrically connected to the piezoelectric transducer. The first housing is configured to discharge humidified air from the first air outlet. The second housing includes a second air outlet removably connectable to the first air inlet; a forced air source for forcing air out of the second air outlet; a second electrical connector configured to removably electrically connect to the first electrical connector; and an electric circuit electrically coupled to the forced air source for electrically powering the forced air source and electrically coupled to the second electrical connector for electrically powering the piezoelectric transducer.