Windless feeling control method and device and computer readable storage medium
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Solution Overview
Problem
Users often experience an unacceptable draft feeling when using air conditioners due to strong air movement, which current fan technologies cannot control effectively.
Innovation Solution
A method and device for controlling a breezeless mode that adjusts the compressor frequency of a fan based on the difference between indoor and target temperatures, using turbulence intensity and draught sensation rate calculations to dynamically adjust wind speed and temperature, thereby minimizing draft sensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the fan operates at high wind speed to provide cooling effect, then the cooling performance is improved, but the draft sensation increases causing user discomfort
Solution Approach 1:
The patent implements dynamic adjustment of compressor frequency based on real-time temperature differences between indoor and target temperatures. The system transitions from static fan operation to dynamic control where the compressor frequency varies continuously to maintain optimal cooling while minimizing draft sensation. This is achieved through closed-loop control that monitors temperature and adjusts compressor operation accordingly.
Solution Approach 2:
The patent changes the operating parameters of the compressor by adjusting its frequency range. Instead of operating at fixed speeds, the compressor frequency is dynamically varied within a specific range to optimize the balance between cooling effectiveness and draft reduction. This parameter adjustment allows the system to adapt to different thermal conditions and user comfort requirements.
2Productivity
If the fan increases wind speed to enhance cooling effect, then the cooling efficiency is improved, but the turbulence intensity increases causing draft feeling
Solution Approach 1:
The patent implements a feedback control mechanism that monitors the temperature difference between the indoor environment and the target temperature. This feedback information is used to adjust the compressor frequency dynamically, creating a closed-loop control system. The feedback ensures that the system responds to changing thermal conditions while maintaining stable operation and minimizing turbulence-induced draft sensation.
Solution Approach 2:
The patent employs periodic detection of temperature differences and periodic adjustment of compressor frequency. The system continuously monitors temperature and makes periodic adjustments to the compressor operation, creating a rhythmic control pattern that maintains cooling efficiency while reducing turbulence. This periodic action allows the system to adapt smoothly to thermal variations.
Data Source
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AI summary
The present disclosure provides a method for controlling a breezeless mode, including: obtaining an indoor temperature, a turbulence intensity, and a draft rate of a fan after the fan is in the breezeless mode; obtaining a first wind speed of the fan, and determining a target temperature of the fan according to the first wind speed, the turbulence intensity, and the draft rate; and adjusting a compressor frequency of the fan according to a difference between the indoor temperature and the target temperature, and controlling the fan to operate according to the adjusted compressor frequency. The present disclosure further provides a device for controlling a breezeless mode and a computer readable storage medium. As such, the control of the compressor frequency of the fan is realized according to the difference between the indoor temperature and the target temperature. Moreover, as the compressor frequency is adjusted through the difference, the indoor temperature corresponding to the fan can be also changed accordingly. So that the difference can be dynamically changed, for controlling the fan to run adaptively in the breezeless mode.