Control method and device for purification equipment, and purification equipment

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Solution Overview

Problem

Conventional air purification technologies focus on total particulate matter concentration rather than concentration distribution by particle size, leading to inefficient purification and poor energy-saving performance, as they do not account for variations in particulate matter distribution within indoor spaces.

Innovation Solution

A control method and device for purification equipment that specify and control equipment parameters based on the concentration distribution of particulate matter with different particle sizes in indoor spaces, using sensors and neural networks to predict and adjust settings for targeted purification and energy efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional air purification technologies detect total particulate matter concentration to adjust air volume, then the purpose of quickly purifying indoor air is achieved, but purification efficiency is low and energy-saving performance is poor

Engineering Contradiction:
Improvepurification efficiencyVSAvoidenergy consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The patent segments particulate matter detection by particle size, dividing the detection range into multiple particle size ranges (e.g., PM1.0, PM2.5, PM10). Different particle size ranges are detected independently, and purification equipment parameters are controlled based on the concentration distribution of each range, enabling targeted purification and avoiding unnecessary energy consumption.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies local quality by controlling different equipment parameters for different particle size ranges. Instead of uniform purification, the system adjusts air volume, fan speed, and other parameters specifically for each particle size range based on its concentration distribution, achieving localized optimization of purification efficiency and energy consumption.

Inventive Principle:
Principle #3Local quality

2Reliability

If continuous detection is used to control purification equipment parameters, then real-time purification is achieved, but energy consumption increases

Engineering Contradiction:
Improvereal-time purification controlVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent uses neural networks to predict future pollutant concentration distributions based on historical detection data and environmental parameters. This preliminary action allows the system to anticipate pollution changes and adjust purification equipment parameters in advance, reducing the need for continuous detection and lowering energy consumption while maintaining reliable real-time control.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If total particulate matter concentration is detected without considering particle size distribution, then detection simplicity is maintained, but targeted purification cannot be achieved

Engineering Contradiction:
Improvedetection simplicityVSAvoidpurification efficiency
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent segments the detection process into multiple particle size ranges using detection units with different detection ranges. Each detection unit independently detects particulate matter concentration in its specific range, providing detailed distribution information without significantly increasing system complexity. This segmentation enables targeted purification control for each particle size range.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent designs detection units and control units that can handle multiple particle size ranges simultaneously. The detection units are configured with different detection ranges, and the control unit integrates data from all ranges to comprehensively control purification equipment parameters, achieving multi-functional operation that maintains simplicity while improving purification efficiency.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20240175596A1Control method and device for purification equipment, and purification equipment
Publication Date: 2024.05.30 DAIKIN INDUSTRIES LTD
  • US20240175596A1 patent drawing
  • US20240175596A1 patent drawing
  • US20240175596A1 patent drawing

AI summary

A control method for purification equipment includes specifying a concentration distribution of particulate matter with different particle sizes in an indoor space, and controlling, according to the concentration distribution of particulate matter with different particle sizes in the indoor space, at least one equipment parameter of the purification equipment. A control device for purification equipment includes a specifying unit configured to specify a concentration distribution of particulate matter with different particle sizes in an indoor space, and a first control unit configured to control at least one equipment parameter of the purification equipment according to the concentration distribution of particulate matter with different particle sizes in the indoor space. Purification equipment includes the control device, an outer case having a suction port, an inner case having a blow-out port, a filter body unit provided in the inner case, and a fan provided in the inner case or the outer case.