Air conditioner selection system
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Solution Overview
Problem
The challenge is to efficiently select an air conditioner that meets safety standard requirements before construction, as inappropriate selection can lead to costly reselections and construction delays due to refrigerant leakage issues in large buildings.
Innovation Solution
An air conditioner selection system that acquires floor area and allowable refrigerant amount based on spatial data, allowing for the selection of air conditioners that satisfy safety standards by determining the appropriate refrigerant capacity and type, thereby preventing refrigerant leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If air conditioner selection is performed based on conventional methods using heat load and room specifications, then basic cooling/heating requirements are met, but safety standard requirements for refrigerant leakage may not be satisfied
Solution Approach 1:
The system performs preliminary calculation of the allowable refrigerant amount based on floor area before the selection process, and uses this pre-calculated safety parameter to filter and select appropriate air conditioners. This preliminary action ensures safety requirements are met from the outset rather than requiring reselection later.
2Reliability
If air conditioner selection is performed in the construction stage, then safety issues are detected, but construction delays and additional costs occur
Solution Approach 1:
The system calculates the allowable refrigerant amount and selects appropriate air conditioners during the design stage using floor area data, before construction begins. This preliminary selection prevents safety issues from being detected too late during construction, avoiding delays and additional costs.
3Ease of operation
If air conditioner selection is performed without considering allowable refrigerant amount, then selection process is simpler, but safety standard requirements are not satisfied
Solution Approach 1:
The system introduces a new parameter - allowable refrigerant amount calculated from floor area - as a key selection criterion. By changing the selection parameters to include this safety-based metric, the system maintains ease of operation through automated calculation while ensuring safety requirements are met.
Data Source
AI summary
An air conditioner selection system is a system for selecting an air conditioner including an indoor unit. The air conditioner selection system is provided with a floor area acquisition section, an allowable refrigerant amount acquisition section, and an air conditioner selection section. The floor area acquisition section acquires a floor area of a room where the indoor unit is to be installed. The allowable refrigerant amount acquisition section acquires an allowable refrigerant amount of a refrigerant allowed to remain in the room at least based on the floor area acquired by the floor area acquisition section. The air conditioner selection section selects the air conditioner including the indoor unit installable in the room at least based on the allowable refrigerant amount acquired by the allowable refrigerant amount acquisition section.