Spatial Thermal Mapping for Simplified HVAC Heat Load Calculation

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Solution Overview

Problem

Existing systems require the use of three pieces of information (air conditioning operation data, room information, and environment information) to calculate heat load data, which is inefficient.

Innovation Solution

An information processing device that acquires spatial shape data and temperature distribution data to generate a three-dimensional space model, specifying heat insulation property, air leakage spots, and solar radiation inflow, and performs device selection, arrangement, and airflow control based on this data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If three pieces of information (air conditioning operation data, room information, and environment information) are used to calculate heat load data, then the accuracy of heat load calculation is improved, but the complexity of the system and the amount of data required increases

Engineering Contradiction:
Improveheat load calculation accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent extracts and utilizes temperature distribution data obtained by infrared thermography as a key indicator to represent thermal conditions in the space. By focusing on this extracted thermal signature, the system can infer heat load characteristics without requiring complete integration of all three traditional data types (air conditioning operation data, room information, and environment information), thereby reducing system complexity while maintaining calculation accuracy.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces an infrared thermography device as an intermediary that directly measures temperature distribution in the space. This intermediary provides thermal information that bridges the gap between environmental conditions and heat load calculation, eliminating the need for complex multi-source data integration while achieving accurate heat load estimation through direct thermal measurement.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If traditional methods are used to specify thermal information for each component, then comprehensive thermal data can be obtained, but more information and measurements are required

Engineering Contradiction:
Improvethermal information completenessVSAvoidamount of information required
Core Design Contradiction:
Loss of informationVSQuantity of substance

Solution Approach 1:

The patent employs infrared thermography to enable the space components themselves to reveal their thermal characteristics through temperature distribution patterns. The components' thermal properties (heat insulation, air leakage, solar radiation effects) are self-disclosed through their temperature signatures captured by the infrared device, eliminating the need for separate measurements or extensive data collection for each component.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent utilizes thermal imaging that visualizes temperature distribution through color variations in the infrared spectrum. Different colors represent different temperature zones, allowing comprehensive thermal information about each component to be obtained simultaneously through a single visual measurement, rather than requiring multiple separate measurements or data inputs for each component.

Inventive Principle:
Principle #32Color changes

Data Source

PatentEP4672100A1Information processing device, information processing method, and computer program
Publication Date: 2025.12.31 DAIKIN INDUSTRIES LTD
  • EP4672100A1 patent drawingFigure 1
  • EP4672100A1 patent drawingFigure 2
  • EP4672100A1 patent drawingFigure 3

AI summary

To provide an information processing device, an information processing method, and a computer program. An acquisition unit is provided, and the acquisition unit acquires spatial shape data of a target space obtained by measuring the target space and temperature distribution data obtained by measuring a temperature distribution of the target space in association with each other.