Direct Plug-In Air Purifier with Nested Filter and Ionizer Modules
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Solution Overview
Problem
Existing air purifiers are often bulky and require complex installation, failing to provide a compact, portable, and easy-to-use solution for purifying indoor air.
Innovation Solution
A direct plug-in air purifier with a compact design that includes a mechanical filter, such as a HEPA filter, and an air ionizer, capable of being easily plugged into a standard wall outlet and featuring multiple operation modes and LED illumination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing air purifiers are designed with comprehensive filtration systems, then air purification effectiveness is improved, but device size and complexity increase
Solution Approach 1:
The air purifier is divided into distinct functional modules: a front housing with filter assembly, a rear housing with motor and ionizer components, and a removable dust cup. This segmentation allows each component to be optimized independently while maintaining compact overall dimensions, resolving the contradiction between comprehensive filtration and device size.
Solution Approach 2:
The dust cup is nested within the rear housing, and the filter assembly is integrated into the front housing structure. This nesting arrangement maximizes space utilization and reduces the overall device volume while maintaining all necessary filtration functions.
2Reliability
If existing air purifiers include multiple filtration components, then contaminant removal capability is improved, but installation complexity increases
Solution Approach 1:
The air purifier features a modular design where the dust cup can be easily removed and replaced, and the filter assembly can be accessed by opening the front housing. This segmentation simplifies maintenance and installation operations while maintaining comprehensive contaminant removal capability through multiple filtration stages.
Solution Approach 2:
The dust cup is designed with a simple snap-fit connection that allows users to easily remove and replace it without tools, enabling self-service maintenance. The filter replacement process is similarly simplified through the modular housing design.
3Ease of operation
If existing air purifiers are designed for portability, then ease of transportation is improved, but power output and filtration efficiency decrease
Solution Approach 1:
The air purifier incorporates an adjustable fan speed control that allows the motor power to be dynamically adjusted. This enables the device to operate at high power for effective filtration when needed, while maintaining a compact portable form factor, thus resolving the contradiction between portability and filtration efficiency.
Solution Approach 2:
The device uses variable fan speed parameters to optimize performance. The motor can operate at different power levels depending on the selected speed setting, allowing the compact device to deliver high filtration efficiency when required while maintaining portability.
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 air purifier effectively removes airborne pollutants, provides two levels of protection against contaminants, and offers user-friendly operation with visible status indicators, making it suitable for small spaces and easy transportation.
Implementation Method 1
The air purifier can include a mechanical filter (e.g., a HEPA filter) to trap airborne particles such as dust, pollen, and dander.
Implementation Method 2
It can also include an air ionizer that charges airborne particles to make them heavy so that they fall to the ground or a nearby surface.
Data Source
AI summary
A direct plug-in air purifier, including a front shell, a rear shell, an air ionizer, a fan, and a front cover. The front shell includes a recessed portion configured to hold a mechanical air filter. The rear shell is attached to the front shell and includes an air outlet. The air ionizer and the fan are disposed in a space defined between the front shell and the rear shell. The front cover is releasably attached to the front shell and configured to allow air to pass therethrough. The fan is configured to draw air through the front cover, the mechanical filter, and an air guide formed in the recessed portion, and to expel air through the air outlet.