Portable air cleaning apparatus
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Solution Overview
Problem
Conventional air cleaning apparatuses lack air quality monitoring functionality and are bulky, making them unsuitable for portability, and their sensors have poor detection efficiency and stability.
Innovation Solution
A portable air cleaning apparatus with a miniaturized actuating and sensing module, comprising a microprocessor, sensors, and an air cleaning unit, which continuously monitors and purifies the air by driving external air flow through sensors and adjusts cleaning intensity based on detected values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional air sensors are used in air cleaning apparatus, then air quality monitoring function is achieved, but the apparatus becomes bulky and loses portability
Solution Approach 1:
The patent integrates the air sensor, actuating device, and control module into a nested configuration where the sensor is positioned within the housing and the actuating device is arranged adjacent to it, creating a compact layered structure that maximizes space utilization while maintaining all functional components
Solution Approach 2:
The patent transitions from conventional two-dimensional sensor layouts to a three-dimensional spatial arrangement where the sensor, actuating device, and housing are positioned in specific spatial relationships (sensor adjacent to actuating device, both within housing), enabling compact integration without compromising detection performance
2Measurement precision
If conventional air sensors are used in portable devices, then air quality monitoring is enabled, but detection efficiency and stability deteriorate
Solution Approach 1:
The patent introduces an actuating device as an intermediary component that actively drives air flow through the sensor, ensuring consistent air sample delivery and stable detection conditions, thereby improving reliability while maintaining portability
Solution Approach 2:
The sensor system is designed to be self-sufficient with integrated air intake capabilities through the actuating device, eliminating dependence on external air flow sources and ensuring reliable operation in various environmental conditions
3Productivity
If fixed-type air cleaning apparatus with large volume is used, then air cleaning effectiveness is improved, but portability is lost
Solution Approach 1:
The patent divides the air cleaning system into modular functional components (sensor, actuating device, air cleaning unit, control module) that can be efficiently arranged in a compact configuration, achieving effective air cleaning in a portable form factor
Solution Approach 2:
The patent combines multiple functions (air quality sensing, air flow actuation, air cleaning, and control) into a single integrated portable apparatus, eliminating the need for separate large-scale systems while maintaining comprehensive air cleaning effectiveness
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 apparatus ensures stable and accurate air quality monitoring and purification, allowing users to maintain clean air anywhere and anytime, with improved detection efficiency and portability.
Implementation Method 1
The actuating device drives air from an external environment to flow into an interior of the housing, via the inlet through hole and discharge the air via the outlet through hole, so as to form an internal air flow inside the housing
Implementation Method 2
The sensor is disposed adjacent to the actuating device to sense the air of the internal air flow to generate at least one air-sensing value
Implementation Method 3
The air cleaning unit is disposed adjacent to the actuating and sensing module to clean the air
Data Source
AI summary
A portable air cleaning apparatus includes a housing, an actuating and sensing device and an air cleaning unit. The housing includes an inlet through hole and an outlet through hole. The actuating and sensing module and the air cleaning unit are disposed inside the housing. The actuating and sensing module includes an actuating device and a sensor. The actuating device drives an external air to flow into an interior of the housing via the inlet through hole and discharge the air via the outlet through hole, so as to form an internal air flow. The sensor detects the internal air flow to generate an air-sensing result, such that the actuating and sensing module can accordingly control the air cleaning unit to turn on, turn off, or adjust cleaning intensity. Thus, the portable air cleaning apparatus can monitor and automatically clean the ambient air at the same time.