Air purifying device
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Solution Overview
Problem
Existing air-purifying devices lack the ability to accurately and intelligently notify users when to change filter screens, leading to suboptimal purifying performance due to exceeded service life or premature replacement.
Innovation Solution
An air-purifying apparatus equipped with a filter screen type determining component and a service life determining component, which calculates the remaining service life based on usage conditions such as air volume filtered, duration of use, and particle collection, and provides a display prompt for timely filter screen replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If the filter screen is used for an extended period to maximize service life, then the operating cost is reduced, but the purifying capability degrades and the device can no longer effectively remove particles and chemical substances
Solution Approach 1:
The device incorporates a service life determining component that continuously monitors usage conditions (air volume filtered, duration of use, particle collection amount) and provides feedback to the control component. This feedback mechanism enables the system to dynamically assess the filter screen's remaining service life and notify users when replacement is needed, ensuring the filter is changed before its purifying capability degrades while maximizing its usable lifespan.
Solution Approach 2:
The air-purifying device automatically determines and tracks the service life of its own filter screen without requiring external intervention. The service life determining component calculates usage metrics based on the device's operational data, and the control component generates replacement notifications autonomously, enabling the system to self-manage filter maintenance timing.
2Reliability
If the filter screen is replaced frequently to ensure optimal purifying performance, then the purifying capability is maintained, but resource waste increases and operating cost rises
Solution Approach 1:
The service life determining component provides accurate feedback on the filter screen's actual usage and remaining capacity, enabling the system to determine the precise replacement timing. This prevents premature replacement while ensuring the filter is changed before performance degradation, thereby maintaining purifying capability while minimizing waste.
Solution Approach 2:
The system monitors multiple usage parameters (air volume filtered, duration of use, particle collection amount) and dynamically adjusts the service life determination based on these changing parameters. This allows the filter replacement timing to be optimized according to actual usage conditions rather than following a fixed schedule, reducing unnecessary replacements and resource waste.
3Measurement precision
If the device monitors detailed usage conditions to accurately determine service life, then the precision of replacement timing is improved, but the device complexity increases
Solution Approach 1:
The service life determining component leverages existing operational data collected by the air-purifying device for other purposes (air volume measurement, particle detection) to calculate service life metrics. By reusing data from existing sensors and components for multiple functions, the system achieves precise service life determination without adding significant complexity or requiring dedicated monitoring hardware for each parameter.
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
Ensures optimal filter screen replacement timing, maintaining purifying capability and avoiding waste by accurately determining when a filter screen needs to be changed, thus extending its service life and improving air quality management.
Implementation Method 1
a filter screen for filtering at least one of particles and specific chemical matters in the air
Implementation Method 2
a chemical substance filter screen for filtering specific chemical substances
Data Source
AI summary
The present utility model discloses an air-purifying apparatus. The air-purifying apparatus comprises a filter screen, filter screen type determining component, and filter screen service life determining component. The filter screen is for filtering particles and at least one of specific chemical matters in the air. The filter screen determining component is configured to determine a type of the filter screen. The filter screen service life determining component is configured to determine whether the filter screen needs to be changed according to the determined type of the filter screen and a use condition of the filter screen. With the air-purifying device of the present disclosure, remaining service lives of the filter screens of different types or specifications may be obtained, then a user may be prompted when the filter screen needs to be changed, thereby allowing the user to maintain a good air-purifying effect at any time.