Dual-Drum Washing Machine Heating Control for Power Load Management
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Solution Overview
Problem
Dual-drum washing machines face challenges in efficient power control, particularly during simultaneous high-power operations like heating, drying, and dewatering, which can lead to overload and affect stability and service life, and existing control methods are not comprehensive in managing these processes.
Innovation Solution
A control method that combines sequential and alternate heating procedures, determining which drum to heat based on remaining heating time and temperature, ensuring only one drum performs high-power operations at a time to optimize heating efficiency and prevent simultaneous high-power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If sequential heating control method is used, then power consumption is controlled, but heating efficiency is reduced
Solution Approach 1:
The patent implements dynamic switching between sequential heating mode and alternate heating mode based on real-time detection of heating completion status. The control system dynamically adjusts the heating strategy: when one drum's heating is complete, it switches to alternate heating for the other drum; when both are complete, it switches to sequential heating. This dynamic adaptation resolves the contradiction by optimizing power consumption while maintaining heating efficiency under different operational conditions.
Solution Approach 2:
The patent employs periodic detection and switching between heating modes. The control system periodically checks the heating status of both drums and alternates between sequential and alternate heating approaches based on the detection results. This periodic action ensures that power consumption is controlled during sequential phases while heating efficiency is maintained during alternate phases, resolving the contradiction between energy loss and productivity.
2Productivity
If both drums perform high-power operations simultaneously, then productivity is improved, but machine stability deteriorates due to overload
Solution Approach 1:
The patent ensures continuous useful action by implementing alternate heating control: when one drum completes its heating, the system immediately switches to heat the other drum without idle time. This continuous operation maintains high productivity while preventing simultaneous high-power operations that would cause overload. The seamless transition between drums ensures that the heating function continues without interruption, resolving the contradiction between productivity and reliability.
Solution Approach 2:
The control system dynamically monitors the heating status of both drums and adjusts the heating sequence in real-time. When detecting that one drum's heating is complete, it dynamically switches to the other drum, preventing simultaneous high-power operations. This dynamic control maintains operational throughput while avoiding overload conditions that would compromise machine stability, thus resolving the contradiction between productivity and reliability.
3Device complexity
If existing control methods are used, then device complexity is reduced, but adaptability deteriorates
Solution Approach 1:
The patent implements a universal control system that can adapt to multiple heating scenarios using the same basic structure. The control device universally handles both sequential heating and alternate heating modes, and can detect and respond to various heating completion conditions. This multi-functionality provides high adaptability for different heating situations while avoiding the need for separate complex control systems, thus resolving the contradiction between device complexity and adaptability.
Solution Approach 2:
The control system employs self-service through automatic detection and switching between heating modes. The system automatically detects when heating is complete for either drum and autonomously switches between sequential and alternate heating approaches without requiring complex external control or user intervention. This self-service capability provides high adaptability to different heating conditions while keeping the control system relatively simple, resolving the contradiction between complexity and adaptability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances heating efficiency, reduces power consumption, and extends the service life of the machine by ensuring that high-power procedures do not run simultaneously, thus improving user experience and machine stability.
Implementation Method 1
a heating device, configured to heat the washing water in the washing drum to preset temperature
Data Source
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AI summary
A control method of a dual-drum washing machine, comprising the following steps: step S1: before a first washing drum (1) performing heating; step S2: determining whether a second washing drum (2) is heating; step S3: if the determination result is yes, determining whether the remaining heating time of the second washing drum (2) is more than T0; and step S4: if the determination result is yes, performing an alternate heating procedure in which the first washing drum (1) and the second washing drum (2) heat alternately, and if the determination result is no, performing a sequential heating procedure in which the second washing drum (2) heats before the first washing drum (1), wherein T0 is a time value, set through a system, for determining whether heating of the second washing drum (2) is coming to an end. In the present disclosure, heating of the dual-drum washing machine is implemented in such a manner that the sequential heating procedure and the alternate heating procedure are combined, and the corresponding heating procedure is selected by determining whether heating of the drum in the present heating procedure is coming to an end, so that the appropriate heating procedure can be selected according to actual heating condition in the present disclosure, and thus the heating efficiency is higher, and the power control is more accurate.