Apparatus and method for controlling air current in sleep mode of air conditioner
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional air conditioners in sleep mode fail to effectively control air currents based on indoor temperature, leading to discomfort and increased power consumption, as they produce indirect winds regardless of temperature needs and adjust fan rotations regardless of compressor operation.
Innovation Solution
An apparatus and method that adjust the direction and volume of air currents in sleep mode by sensing indoor temperature and adjusting blade angles and fan rotations according to user-set or default control temperatures, producing direct, indirect, or intermittent winds, and varying fan speeds based on compressor operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the air conditioner produces indirect wind by adjusting blade angles in sleep mode, then user comfort is improved by preventing direct air contact, but user comfort deteriorates when high indoor temperature requires direct cooling airflow
Solution Approach 1:
The blade angles are made dynamically adjustable based on real-time temperature sensing. The control unit automatically modifies blade positions according to whether the compressor is operating, enabling the system to transition between indirect wind mode (compressor on) and direct wind mode (compressor off), thus adapting to varying thermal conditions while maintaining user comfort
Solution Approach 2:
The system changes the operational parameters of air discharge by adjusting blade angles according to compressor status. When compressor operates, blades are positioned for indirect wind; when compressor stops, blades adjust to enable direct wind, thereby changing the physical parameters of air flow direction and velocity to match thermal requirements
2Stability of the object's composition
If the indoor fan rotates at regular intervals in sleep mode, then air circulation is maintained, but power consumption increases and user sensitivity to air current increases when compressor is switched off
Solution Approach 1:
The indoor fan rotation speed is dynamically adjusted based on compressor operation status. During compressor operation, fan rotates at regular intervals to maintain air circulation. When compressor switches off, fan rotation is reduced or stopped, thereby reducing power consumption and minimizing user sensitivity to air current while still maintaining adequate air circulation through the thermal mass already cooled
Solution Approach 2:
The system employs periodic fan rotation at regular intervals during compressor operation to maintain air circulation. This periodic action is modified based on compressor status, reducing frequency or stopping during off-periods, thereby balancing circulation requirements with energy conservation and reduced user sensitivity
3Use of energy by moving object
If the air conditioner always produces indirect wind in sleep mode, then power consumption is reduced, but cooling effectiveness deteriorates when high indoor temperature requires direct airflow to user
Solution Approach 1:
The system changes the air discharge parameters (direct vs. indirect wind) based on compressor operation and temperature conditions. When compressor operates and temperature is high, direct wind mode is enabled for effective cooling. When compressor is off and temperature is acceptable, indirect wind mode is used to reduce power consumption, thus dynamically adjusting parameters to balance energy use and cooling effectiveness
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An apparatus and method for controlling an air current in a sleep mode of an air conditioner, in which the directions of air discharged through discharge holes and the volume of the discharged air are controlled so as to reduce power consumption while creating a comfortable sleeping environment. The method for controlling an air current in a sleep mode of an air conditioner having blades for adjusting directions of discharged air, includes determining whether the sleep mode is inputted; sensing an indoor temperature, when it is determined that the sleep mode is inputted; and comparing the sensed indoor temperature with a set control temperature, and adjusting the directions of the discharged air according to the results of the comparison.