Wireless Power Enclosure Window Integrity Monitoring
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Solution Overview
Problem
Existing wireless power transmission systems lack a robust safety mechanism to prevent unsafe laser exposure when the transmitter enclosure is damaged, particularly in residential environments where the system may be mishandled by untrained individuals.
Innovation Solution
The system incorporates a detection mechanism that uses a small portion of the laser beam to check the integrity of the transmitter's enclosure window. If the window is broken or damaged, the system adjusts the power level or terminates the laser emission to ensure safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the laser power is increased to provide useful power transmission, then the power transmission capability is improved, but the safety risk from laser exposure increases
Solution Approach 1:
The patent implements preliminary safety actions by continuously monitoring the enclosure window integrity and beam path conditions before dangerous exposure can occur. The detection mechanism checks for window breakage and activates safety protocols in advance, preventing high-power laser exposure before it happens.
Solution Approach 2:
The patent employs feedback mechanisms where detection units monitor the beam path and enclosure status, and this information feeds back to the control system to adjust or terminate laser emission. This closed-loop control ensures that high power transmission does not compromise safety.
2Productivity
If the enclosure window is made transparent to allow beam transmission, then the power transmission efficiency is improved, but the safety protection when the window is damaged deteriorates
Solution Approach 1:
The patent introduces an intermediary detection mechanism between the transparent window and the external environment. This detection system acts as a mediator that monitors window integrity and triggers safety responses, allowing the window to remain transparent for efficient power transmission while compensating for the reduced safety protection through active monitoring.
Solution Approach 2:
The patent replaces passive mechanical safety protection (opaque enclosure) with an active optical-electrical detection and control system. Instead of relying on the physical barrier alone, the system uses optical sensors and control circuits to detect window damage and respond electronically, substituting mechanical safety with a more sophisticated sensor-based approach.
3Reliability
If the detection mechanism is added to monitor enclosure integrity, then the safety monitoring capability is improved, but the device complexity increases
Solution Approach 1:
The patent applies multi-functionality by designing detection units that serve multiple purposes: they monitor window integrity, detect beam path obstructions, and provide safety feedback. This universal approach allows the system to achieve comprehensive safety monitoring without proportionally increasing complexity, as single components perform multiple safety-related functions.
Solution Approach 2:
The patent merges the detection mechanism with existing system components where possible. The detection units are integrated into the enclosure structure and beam path, combining safety monitoring functions with the transmitter's existing optical and electrical systems. This merging reduces overall system complexity compared to adding entirely separate monitoring subsystems.
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 solution effectively maintains safety even if the external enclosure is damaged, preventing dangerous laser exposure and ensuring continued operation within safe parameters.
Implementation Method 1
an external enclosure comprising an optical window configured to transmit the beam out of the external enclosure
Implementation Method 2
a laser adapted to emit a beam
Data Source
AI summary
A system for ensuring the integrity of the enclosure of a wireless power transmitter. The enclosure of the transmitter comprises a window in order to allow a high-power beam to exit the transmitter. The window is equipped with an area which reflects at least a portion of the beam, and directs the reflected beam onto a detector. Thus the system can ascertain whether the window is undamaged, since if the detector is receiving a satisfactory portion of the beam, then it is indicative of an undamaged window. This advantageously prevents dangerous beam generated damage which may be caused if the exit window of the transmitter is damaged. The laser beam is preferably circularly polarized before exiting the transmitter to prevent dangerous laser damage caused by the reflections of the maximum of the P or S polarization components, which may occur with linearly polarized beams.