Control terminal, control method and device for multi-split air conditioner, and storage medium
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Solution Overview
Problem
Multi-split air conditioners often fail to maintain comfortable indoor temperatures, leading to overheating or overcooling, as cloud servers do not detect room temperatures in real time, causing users to endure uncomfortable environments for extended periods.
Innovation Solution
A control method and device that acquire indoor temperatures of each room, identify target rooms with overheating or supercooling conditions, shut down other units, and switch the operation mode of the target unit to adjust heating or cooling, ensuring temperature set points are quickly reached and discomfort is minimized.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cloud server controls each indoor unit to refrigerate or heat at the same time, then the multi-split air conditioner can maintain operation efficiency, but the indoor temperature may become too low or too high causing user discomfort and health threats
Solution Approach 1:
The patent implements real-time temperature detection feedback mechanism where the control terminal continuously monitors indoor temperatures and dynamically adjusts the operation of indoor units. When temperature deviation exceeds a threshold, the system automatically switches from synchronous control to selective control, shutting down units in rooms with acceptable temperatures and adjusting units in rooms with extreme temperatures, thus resolving the contradiction between maintaining operation efficiency and preventing user discomfort.
2Device complexity
If cloud server does not detect temperature in real time, then the system operation is simple, but the indoor temperature deviates from set temperature causing prolonged uncomfortable environment
Solution Approach 1:
The patent employs preliminary action by pre-setting temperature thresholds and control strategies. The control terminal is pre-configured with temperature deviation thresholds and control rules, enabling it to automatically respond to temperature changes without complex real-time decision-making. This preliminary configuration allows the system to detect temperatures in real time and immediately take corrective action when thresholds are exceeded, minimizing the duration of uncomfortable temperatures while keeping system operation relatively simple.
3Speed
If the control terminal shuts down other indoor units when one room has extreme temperature, then the target room can be adjusted quickly, but the other rooms may experience temperature deviation
Solution Approach 1:
The patent applies local quality principle by implementing selective control of individual indoor units based on local temperature conditions in each room. The control terminal monitors temperatures independently for each room and makes localized control decisions - shutting down units only in rooms with acceptable temperatures while maintaining operation of units in rooms with extreme temperatures. This localized approach allows quick adjustment of the target room while minimizing temperature deviations in other rooms, resolving the contradiction between adjustment speed and control reliability.
Data Source
AI summary
A control method includes acquiring indoor temperatures of a plurality of rooms each having one of a plurality of indoor units of a multi-split air conditioner, identifying a target indoor unit corresponding to a target room in response to the target room satisfying an overheating condition or a supercooling condition, controlling other one or more indoor units of the multi-split air conditioner except for the target indoor unit to be shut down, and switching an operation mode of the target indoor unit.