Washing Machine Remote Control Cut-Off for Local Operation Safety
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Solution Overview
Problem
Current remote control methods for washing machines lack safety features, allowing unauthorized access and potential accidents due to the inability to detect changes in the environment around the machine, leading to unsafe operation.
Innovation Solution
A remote control method that establishes a control channel and status feedback channel between a washing machine and a mobile terminal, which cuts off remote control if certain conditions are not met, such as the presence of an authorized user, ensuring only a user near the machine can operate it, thereby enhancing safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If remote control is enabled via mobile terminal, then ease of operation is improved, but safety is worsened due to inability to detect environmental changes around the machine
Solution Approach 1:
The system continuously monitors the triggering state of keys and door lock status, providing real-time feedback to the control unit. When local operation is detected (key pressed or door opened), the system automatically cuts off the remote control channel, ensuring safety while maintaining remote functionality during normal operation
Solution Approach 2:
The control unit acts as an intermediary between the mobile terminal and the washing machine operations. It receives control instructions from the mobile terminal but intermediates by checking local triggering conditions before executing commands, and can terminate remote control access when local operation is detected
2Ease of operation
If remote control authorization is granted, then ease of operation is improved, but reliability is worsened due to potential unauthorized access and safety accidents
Solution Approach 1:
The system performs preliminary actions by establishing the control channel and status feedback channel before remote control operations begin. The control unit is pre-configured to monitor triggering conditions and automatically cut off remote access when local operation is detected, preventing unauthorized access before it can cause harm
Data Source
AI summary
A remote control method for a washing machine, includes the following steps: between a mobile terminal and the washing machine, a control channel configured to transmit a control instruction and a status feedback channel configured to transmit a working status of the washing machine are established; whether the washing machine is triggered is detected; and if yes, the control channel is cut off, and the status feedback channel is maintained; and if not, the control channel and the status feedback channel are maintained. After a triggering operation is directly performed on the washing machine, the control channel is cut off, that is, remote control of the mobile terminal is cut off, and only a user near the washing machine controls and operates the washing machine, which ensures the running safety of the washing machine.