Wireless Curtain Closure System Adaptive Channel Selection
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Solution Overview
Problem
Current technologies for controlling rolling curtains or shutters using wireless transmitters face issues such as rapid battery drain due to frequent channel switching, interference from external wireless devices, inefficient channel detection, and cumbersome device pairing processes.
Innovation Solution
A closure system that includes a curtain, a wireless network with multiple channels, a transmitter coupled to the curtain, and a receiver operatively coupled to the curtain. The system dynamically selects a communication channel based on detected interference, uses a predetermined number of communication retries to determine channel performance, and implements automatic pairing and power-saving modes based on curtain status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transmitter frequently switches channels to avoid interference, then communication reliability is improved, but power consumption increases rapidly
Solution Approach 1:
The system dynamically adjusts channel switching behavior based on interference detection. Instead of frequent fixed interval channel switching, the transmitter only switches channels when interference is actually detected, making the channel switching frequency adaptive rather than static. This resolves the contradiction by making communication reliable only when necessary while conserving power during normal operation.
Solution Approach 2:
The system changes the parameter of channel switching frequency based on detected interference conditions. When interference is detected, the channel switching frequency increases to maintain communication reliability. When no interference is present, the switching frequency decreases to conserve battery power. This parameter adaptation resolves the contradiction between reliability and power consumption.
2Use of energy by moving object
If the system uses a fixed communication channel, then power consumption is reduced, but communication reliability deteriorates due to interference
Solution Approach 1:
The system transitions from a static fixed channel approach to a dynamic channel selection approach. The transmitter monitors the communication channel for interference and dynamically switches to alternative channels only when interference is detected. This maintains power efficiency by staying on a fixed channel most of the time while ensuring reliability through dynamic switching when needed.
3Ease of operation
If the system requires manual pairing mode activation on both devices, then pairing control is simplified, but pairing time and user effort increase
Solution Approach 1:
The pairing process is automated through self-service mechanisms. When a new transmitter is powered on, it automatically enters pairing mode and broadcasts its identification. The receiver automatically detects and pairs with the transmitter without requiring manual button pressing. This eliminates user effort and significantly reduces pairing time while maintaining secure controlled pairing through automatic authentication protocols.
4Reliability
If the transmitter continuously monitors curtain status, then operational awareness is improved, but power consumption increases
Solution Approach 1:
Instead of continuous monitoring, the transmitter uses periodic status checks at predetermined intervals. The transmitter monitors curtain status by receiving periodic signals from the receiver or operator, rather than continuously transmitting and listening. This periodic action maintains operational awareness while significantly reducing power consumption compared to continuous monitoring.
Data Source
AI summary
A closure system including a curtain configured to seal an opening, a wireless network having a plurality of channels, at least one transmitter coupled to the curtain and configured to communicate over the plurality of channels, and an operator operatively coupled to the curtain and configured to communicate over the plurality of channels, the operator and the at least one transmitter configured to communicate with each other over a selected one of the plurality of channels based upon communication interference detected on one or more channels.


