Apparatus control method and device
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Solution Overview
Problem
Air conditioners with failed temperature sensors in multi-split systems cannot perform normal operation control, leading to shutdowns and user inconvenience, as existing methods do not effectively utilize sensor parameters from other units for compensation.
Innovation Solution
A method and apparatus that read and utilize sensor parameters from other indoor units operating in the same mode to control the device, employing median average filtering and threshold-based screening to adjust compressor power, expansion valve opening, and fan speed, allowing continued operation when a sensor fails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the indoor unit uses its own temperature sensor for control, then the control accuracy is high, but the system reliability deteriorates when the sensor fails
Solution Approach 1:
The patent introduces other indoor units as intermediary sources of temperature data. When one indoor unit's sensor fails, the control system mediates by acquiring temperature parameters from other indoor units through communication networks, allowing the system to continue operating with substituted data rather than shutting down completely.
Solution Approach 2:
The patent changes the source of temperature parameters from local sensor data to remote sensor data from other indoor units. This parameter substitution allows the control system to maintain functionality by using alternative data sources when the primary sensor fails, thereby improving system reliability.
2Measurement precision
If the indoor unit shuts down when sensor fails, then the control accuracy is maintained, but the operational duration deteriorates
Solution Approach 1:
The patent performs preliminary actions by establishing communication networks and data sharing mechanisms between indoor units before sensor failure occurs. When a sensor fails, the system can immediately switch to using temperature parameters from other indoor units without interruption, extending operational duration while maintaining control accuracy.
Solution Approach 2:
The patent uses temperature parameter copies from other indoor units as substitutes for failed sensor data. By copying and utilizing temperature data from other indoor units operating in the same space, the system maintains control functionality and extends operational time without requiring immediate shutdown for sensor replacement.
3Reliability
If the indoor unit uses sensor parameters from other indoor units, then the system reliability improves, but the measurement precision may deteriorate
Solution Approach 1:
The patent applies partial action by using temperature parameters from other indoor units only when necessary (i.e., when the local sensor fails). The system continues to prioritize local sensor data for normal operation, using remote data as a supplementary or emergency source, thus minimizing the potential precision deterioration while maximizing reliability benefits.
Data Source
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AI summary
The present invention relates to the technical field of information processing. Provided is an apparatus control method capable of extending an operation duration of an indoor unit to certain extent when a fault occurs in a temperature sensor of the indoor unit. The method comprises: if a fault occurs in a temperature sensor, selecting, from all indoor units, other indoor units operating in the same mode as the current indoor unit; acquiring, from temperature sensors of the indoor units in the same mode, corresponding sensor parameters; and performing apparatus control according to the acquired sensor parameters.