Air Conditioning Flap Swing Control for Draft and Temperature Balance
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Solution Overview
Problem
Conventional air conditioning control devices fail to effectively manage airflow direction and rate, leading to discomfort due to drafts and inefficient temperature distribution, especially during air-cooling and air-warming operations, as they lack flexible swing patterns and time interval control.
Innovation Solution
A control device that determines operation modes and selects optimal swing patterns and time intervals for air conditioning flaps based on temperature distribution and operation phases, ensuring comfortable airflow direction and rate adjustments during both air-cooling and air-warming operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the flap transitions quickly between horizontal and downward blowing positions, then temperature distribution in the indoor space is improved, but the user experiences discomfort due to direct exposure to cold airflow
Solution Approach 1:
The control device implements periodic swing actions of the flap between horizontal and downward blowing positions at predetermined time intervals. This periodic action distributes the cold airflow exposure over time rather than continuous exposure, reducing draft discomfort while maintaining temperature distribution uniformity through repeated agitation of the indoor air.
2Temperature
If the flap remains in downward blowing position for a long time, then temperature distribution is improved, but the user experiences prolonged draft discomfort
Solution Approach 1:
The control device switches the flap between horizontal and downward blowing positions at predetermined time intervals, preventing prolonged continuous downward blowing. This periodic switching maintains temperature distribution uniformity by periodically agitating the air while limiting the duration of direct cold airflow exposure to the user.
Solution Approach 2:
The control device dynamically adjusts the flap position based on operation mode (air-cooling or air-warming) and timing, transitioning between static horizontal blowing and dynamic periodic swing actions. This dynamic control optimizes both temperature distribution and user comfort for different operating conditions.
3Object-affected harmful factors
If the airflow rate is reduced when discharge temperature is low, then draft discomfort is reduced, but the cooling effect is insufficient
Solution Approach 1:
The control device implements periodic swing actions that periodically direct cold airflow toward the user position. By timing these downward blowing periods appropriately, the system delivers cooling effect to the user area while limiting continuous exposure duration, thus balancing cooling effectiveness with draft discomfort reduction.
Data Source
AI summary
A control device controls a swing action of flaps of an air conditioning apparatus. The flaps are swung up and down. The control device includes an operation mode determining section, a swing pattern storage area and a control command generator. The operation mode determining section determines at least an air-cooling operation mode and an air-warming operation mode that are operation modes of the air conditioning apparatus. The swing pattern storage area stores a plurality of swing patterns that include information pertaining to the swing action. The control command generator generates a control command of the air conditioning apparatus on the basis of a swing pattern corresponding to the mode determined by the operation mode determining section from among the plurality of swing patterns.