Humidifier
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Solution Overview
Problem
Conventional ultrasonic humidifiers have complex humidification flow paths, leading to difficulties in supplying mist evenly to indoor spaces, contamination risks due to unsterilized water, and challenging maintenance, while also creating eddy currents and reducing the effectiveness of mist distribution.
Innovation Solution
A humidifier design featuring a case with a humidification reservoir, a blower fan creating an ascending air stream, and a diversion guide that separates the air stream into inner and outer discharge paths, allowing mist to rise and be distributed uniformly, with a cylindrical tank guiding the air and mist upward, and a heating reservoir for sterilizing water.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex humidification flow path is used to create a flow of humidified air, then the air stream can pass through the water surface, but the structural design becomes complex and cleaning becomes difficult
Solution Approach 1:
The flow path is divided into two independent segments: an inner flow path for humidified air and an outer flow path for cooling air. This segmentation allows each path to be optimized independently and simplifies cleaning by providing separate access routes to different components.
Solution Approach 2:
The cooling function is extracted from the humidification flow path by introducing a separate outer flow path that draws cooling air from the front surface. This removes the complexity of integrating cooling into the main humidification path while maintaining both functions.
2Reliability
If a complex humidification flow path is used, then air stream can be formed, but eddy currents swirl in the water reservoir and mist supply becomes inefficient
Solution Approach 1:
The flow path segmentation prevents eddy currents by directing air flow through separate inner and outer paths. The inner path maintains laminar flow for efficient mist pickup, while the outer path handles cooling air independently, eliminating swirling patterns that would reduce mist supply efficiency.
3Productivity
If water is stored in the water reservoir and immediately atomized without sterilization, then humidification is achieved, but contamination of the indoor space occurs
Solution Approach 1:
The cooling air intake path is positioned to draw air from the front surface before water is atomized. This preliminary cooling action reduces the temperature of incoming air, which helps prevent rapid evaporation and potential contamination of the indoor space while still achieving effective humidification.
4Device complexity
If the humidifier structure is simplified, then manufacturing and cleaning become easier, but mist distribution uniformity may be compromised
Solution Approach 1:
The simplified segmented structure with separate inner and outer flow paths maintains mist distribution uniformity by ensuring independent optimization of each path. The inner path focuses on humidified air generation while the outer path handles cooling, allowing both to work together for uniform distribution without complex integrated designs.
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 design simplifies the humidification process, ensures uniform and long-distance mist distribution, enhances sanitary performance by sterilizing water, and facilitates easy maintenance by separating components for cleaning.
Implementation Method 1
a blower fan disposed below the humidification reservoir, that creates an ascending air stream within the case
Implementation Method 2
ultrasonic humidifiers produce a mist by atomizing stored water via ultrasonic vibration
Implementation Method 3
a heating reservoir for sterilizing water
Data Source
AI summary
The present disclosure relates to a humidifier. A humidifier of the present disclosure includes: a case having an inlet and a outlet with an open top; a humidification reservoir disposed inside the case, that produces mist and has an open top so that the produced mist rises therethrough; a guide wall disposed above the humidification reservoir, that is spaced inward from the case and extends upward; a blower fan disposed below the humidification reservoir, that creates an ascending air stream within the case; and a diversion guide disposed on the top of the humidification reservoir, that divides the ascending air stream, wherein a blower flow path is formed between the humidification reservoir and the case, through which the ascending air stream flows, an inner discharge flow path is formed inside the guide wall, through which the mist produced in the humidification reservoir and part of the ascending air stream that has passed through the blower flow path flow, an outer discharge flow path is formed between the guide wall and the case, through which the rest of the ascending air stream that has passed through the blower flow path flows, and the diversion guide guides part of the ascending air stream that has passed through the blower flow path to the inner discharge flow path.