Air handling apparatus

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Solution Overview

Problem

Existing air conditioner filters are difficult to replace and require professional assistance, leading to high replacement costs.

Innovation Solution

An air handling apparatus with a shell, filter plate, and filter chamber, where the filter can be easily inserted and removed through a hole in the shell, utilizing snap, adhesive, or adsorption structures for quick and convenient replacement, and optionally including an automatic filter-replacement device with sensors and a microcomputer for timely reminders and automated replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the filter is fixed securely in the air handling apparatus, then the filter remains stable during operation, but the filter becomes difficult to replace and requires professional assistance

Engineering Contradiction:
Improvefilter stabilityVSAvoidfilter replaceability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The filter assembly is segmented into modular components: the filter element, filter plate, and connecting members. This segmentation allows the filter to be easily detached and replaced while maintaining stability during operation through the connecting mechanisms.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connecting members provide a dynamic connection system that allows the filter to be securely fixed during operation but easily released when needed. The snap structure and adhesive structures enable transitions between stable and replaceable states.

Inventive Principle:
Principle #15Dynamics

2Reliability

If professional technical personnel are required to replace the filter, then the filter replacement is reliable, but the replacement cost increases

Engineering Contradiction:
Improvefilter replacement reliabilityVSAvoidreplacement cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The air handling apparatus is designed to enable users to replace the filter themselves without requiring professional technical personnel. The simple connecting members and modular design allow end-users to perform maintenance independently, reducing service costs.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If the filter is designed for easy removal, then the filter can be replaced conveniently, but the filter may become loose during operation

Engineering Contradiction:
Improvefilter replaceabilityVSAvoidfilter stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

Multiple connection mechanisms are merged together: snap structures provide quick attachment and detachment, while adhesive structures provide continuous holding force. This combination ensures the filter remains stable during operation but can be easily removed when needed.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connecting members utilize composite connection methods combining mechanical (snap) and chemical (adhesive) bonding principles, creating a system that provides both strong attachment during operation and easy release during replacement.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS11719446B2Air handling apparatus
Publication Date: 2023.08.08 BEIJING XIAOMI MOBILE SOFTWARE CO LTD
  • US11719446B2 patent drawing
  • US11719446B2 patent drawing
  • US11719446B2 patent drawing

AI summary

An air handling apparatus is provided. The air handling apparatus can include a shell, a filter plate, a filter chamber, and a filter. The shell is provided with a hole. The filter plate is connected to the shell through a first connecting member and configured to cover the hole. The filter chamber is arranged in the shell and communicated with the hole. The filter is inserted in the filter chamber through the hole. A cross-sectional size of the filter is less than or equal to a cross-sectional size of the hole.