Air Purifier Filter Status Alerts Using Usage-Based Consumption
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Solution Overview
Problem
Air purifiers often fail to operate effectively due to users' lack of awareness about the filter status, leading to inadequate air purification as the filter is not replaced in a timely manner.
Innovation Solution
A status notification method and device that acquire usage information, calculate current consumption, and generate alerts when the consumption reaches a preset threshold, ensuring timely filter replacement and maintaining the air purifier's normal operating condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If users rely on manual monitoring of filter status, then device complexity is reduced, but reliability deteriorates due to lack of awareness about filter status
Solution Approach 1:
The filter itself serves the monitoring function by containing an identifier that automatically provides usage information. The filter self-identifies its installation status and usage duration through the identifier, eliminating the need for external monitoring systems. When the filter is installed, the air purifier automatically reads the identifier and tracks usage, and the filter can be queried to provide its own status information.
Solution Approach 2:
An identifier acts as an intermediary between the filter and the air purifier's control system. The identifier contains encoded usage information and is read by the air purifier to determine filter status. This intermediary enables reliable status monitoring without requiring complex direct integration between the filter and monitoring system.
2Reliability
If the air purifier continuously monitors filter usage, then reliability is improved, but loss of energy increases due to continuous operation
Solution Approach 1:
The air purifier performs periodic queries to the filter identifier rather than continuous monitoring. The control system reads the identifier at intervals to check usage duration and determine when replacement is needed. This periodic checking maintains reliable status awareness while minimizing energy consumption compared to continuous real-time monitoring.
3Reliability
If the filter contains an identifier for tracking, then reliability is improved through accurate status notification, but manufacturing precision requirements increase
Solution Approach 1:
The filter identifier is designed as a simple, inexpensive component that can be easily manufactured and embedded in the filter. The identifier may be a visual code, RFID tag, or other simple storage medium that does not require high-precision manufacturing. The focus is on providing sufficient information storage capacity rather than manufacturing precision, aligning with the disposable nature of the filter.
Data Source
AI summary
A status notification method for use in a terminal, includes: acquiring usage information of a target apparatus, the usage information including at least each usage duration of the target apparatus; calculating current consumption of the target apparatus according to the usage information of the target apparatus; and generating an alert regarding a current status of the target apparatus after the current consumption of the target apparatus reaches a preset consumption alerting threshold.