Multi-Zone Air Purifier Coordination for Uniform Air Quality Control
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Solution Overview
Problem
In large public spaces, individual air purifiers operate independently based on local air quality, leading to uneven air purification and reduced overall air cleaning ability.
Innovation Solution
A method for controlling multiple air purifiers by monitoring air cleanliness in different areas, calculating weights for varying driving modes, and adjusting operations to maintain uniform air quality, including the use of a controller to determine optimal driving modes based on sensed air quality and network communication for scheduling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple air purifiers are used in large public spaces, then air purifying ability is improved, but air quality uniformity across the entire space deteriorates because each air purifier operates independently
Solution Approach 1:
The patent merges the control of multiple air purifiers into a unified system where a server collects air quality data from all purifiers and coordinates their operation. The server determines optimal driving modes for each purifier based on overall space conditions, ensuring they work together as a coordinated team rather than independent units, thus achieving both high purifying ability and uniform air quality distribution.
Solution Approach 2:
The system implements feedback mechanisms where each air purifier monitors local air quality and reports to a central server. The server analyzes this feedback data and adjusts the driving modes of individual purifiers dynamically. This closed-loop control ensures that air quality uniformity is maintained across the entire space while maximizing overall purifying effectiveness.
2Ease of operation
If each air purifier is individually driven based on local air quality, then local air cleaning is optimized, but overall air cleaning ability for the entire space is degraded
Solution Approach 1:
The patent segments the large space into multiple zones, each monitored by an individual air purifier. Each purifier optimizes its operation for its local zone while the central server coordinates their collective performance. This segmentation allows local optimization without sacrificing overall effectiveness, as the server balances the workload and ensures comprehensive coverage across the entire space.
Solution Approach 2:
The central server performs multiple functions: collecting data from all purifiers, analyzing overall air quality trends, determining optimal driving modes for each unit, and coordinating their operation. This multi-functional coordination layer enables the system to achieve both local optimization and global effectiveness simultaneously.
3Device complexity
If air purifiers operate independently, then device complexity is reduced, but control efficiency and air quality uniformity deteriorate
Solution Approach 1:
The patent introduces a central server as an intermediary between individual air purifiers. The server handles the complex coordination and control logic, allowing individual purifiers to remain relatively simple in design. This intermediary manages data collection, analysis, and command distribution, achieving high control efficiency without requiring each purifier to be overly complex.
Data Source
AI summary
Disclosed is a method for controlling a smart air purifier, the method including: obtaining first air cleanliness of a first area in which a first air purifier is placed, and obtaining second air cleanliness of a second area in which a second air purifier is placed; when at least one of the first air cleanliness or the second air cleanliness is equal to or smaller than a preset threshold value, driving both the first air purifier and the second air purifier; monitoring a variation of the first air cleanliness and the second air cleanliness; calculating a weight that is proportional to the variation of the first air cleanliness and the second air cleanliness; and setting a driving mode for the first air purifier and the second air purifier based on the weight.