Indoor Fan Speed Control for Rapid Air Conditioner Cooling
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Solution Overview
Problem
Air conditioners face limitations in cooling speed due to restricted indoor fan motor speeds, which affect comfort and efficiency, as the maximum rotating speed is often lower than the noise and energy standards allow.
Innovation Solution
A control method that dynamically adjusts the indoor fan's rotating speed based on ambient temperature, increasing it as needed to achieve rapid cooling by dividing temperature intervals and corresponding speed values, allowing the fan to operate beyond the standard maximum speed within noise and energy constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the indoor fan operates at maximum rotating speed to achieve rapid cooling, then the cooling speed is improved, but the noise level and energy consumption increase beyond acceptable limits
Solution Approach 1:
The patent implements dynamic speed adjustment by dividing the cooling process into multiple stages with different fan speeds. During initial rapid cooling phase, the fan operates at high speed (first rotating speed), and during maintenance phase, it switches to lower speed (second rotating speed). This dynamic adjustment allows the system to achieve rapid cooling when needed while reducing noise during steady-state operation, directly resolving the contradiction between cooling speed and noise level.
Solution Approach 2:
The control method employs periodic operation cycles alternating between high-speed cooling mode and low-speed maintenance mode. The system periodically switches between the first rotating speed for rapid cooling and the second rotating speed for noise reduction, creating a periodic action pattern that balances cooling performance with noise control throughout the operating cycle.
2Speed
If the indoor fan operates at maximum rotating speed to achieve rapid cooling, then the cooling speed is improved, but the energy consumption increases beyond acceptable limits
Solution Approach 1:
The system dynamically adjusts fan speed based on cooling stage requirements. During the initial rapid cooling phase, the fan operates at high speed (first rotating speed) to quickly reduce temperature. Once the target temperature is approached, it transitions to lower speed (second rotating speed) for maintenance. This dynamic speed adjustment significantly reduces energy consumption compared to continuous maximum speed operation, while still achieving rapid cooling when needed.
Solution Approach 2:
The control method implements periodic operation cycles that alternate between high-energy rapid cooling mode and low-energy maintenance mode. By periodically switching between the first rotating speed and second rotating speed, the system minimizes overall energy consumption while maintaining effective cooling performance throughout the operating cycle.
3Object-affected harmful factors
If the fan speed is limited to standard maximum speed for noise control, then noise level is reduced, but the cooling effect and cooling time are deteriorated
Solution Approach 1:
The patent implements dynamic speed adjustment by dividing the cooling process into multiple stages with different fan speeds. During initial rapid cooling phase, the fan operates at high speed (first rotating speed), and during maintenance phase, it switches to lower speed (second rotating speed). This dynamic adjustment allows the system to achieve rapid cooling when needed while reducing noise during steady-state operation, directly resolving the contradiction between cooling speed and noise level.
Solution Approach 2:
The control method employs periodic operation cycles alternating between high-speed cooling mode and low-speed maintenance mode. The system periodically switches between the first rotating speed for rapid cooling and the second rotating speed for noise reduction, creating a periodic action pattern that balances cooling performance with noise control throughout the operating cycle.
Data Source
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AI summary
The present application discloses a control method of an air conditioner, including the following operations: detecting a current indoor ambient temperature value under a rapid cooling operation mode (S10); judging whether the indoor ambient temperature value is greater than a preset temperature value (S20); if yes, determining a first temperature interval in which the indoor ambient temperature value is located (S30); determining a corresponding rapid cooling rotating speed value of an indoor unit of the air conditioner according to the first temperature interval, where the rapid cooling rotating speed value is greater than a maximum rotating speed value of the indoor unit of the air conditioner (S40); and controlling the indoor unit of the air conditioner to operate according to the rapid cooling rotating speed value (S50). In the above manner, the present application is able to adaptively increase the rotating speed of the indoor unit as the indoor ambient temperature value rises, so as to achieve a rapid decrease in the indoor ambient temperature and improve user comfort. The present application further discloses a control device of an air conditioner, an air conditioner and a computer-readable storage medium.