Battery Load Control Interface With LED Feedback and Low-Power Sensing
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Solution Overview
Problem
Traditional load control devices lack sophisticated user interfaces and feedback mechanisms, making it difficult for users to precisely control electrical loads and monitor their status, particularly in battery-powered devices where battery life extension is a challenge.
Innovation Solution
A battery-powered control device with a base portion, battery compartment, and control unit that includes a low battery indicator and capacitive touch or electric field sensing for user proximity detection, allowing for illuminated feedback on power delivery and battery status, and adjustable lighting to indicate load control operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional load control devices are used, then device simplicity is maintained, but user feedback capability and control precision are insufficient
Solution Approach 1:
The patent uses different colors of light-emitting diodes (LEDs) to indicate different operational states and feedback information. For example, green LEDs indicate normal operation while red LEDs indicate low battery conditions. This allows rich information communication through a simple visual interface without adding complex display mechanisms.
Solution Approach 2:
The control device incorporates feedback mechanisms including visual feedback through illuminated LEDs that show operational status, battery level, and control confirmation. This provides users with immediate information about device state and control effectiveness, eliminating the information loss present in traditional devices.
2Loss of information
If continuous feedback display is provided, then user experience is improved, but battery power consumption increases
Solution Approach 1:
The control device provides feedback information at periodic intervals rather than continuously. The microprocessor controller illuminates LEDs at specific moments to convey status information, then returns to sleep mode. This periodic feedback approach maintains user awareness while significantly reducing average power consumption compared to continuous display.
Solution Approach 2:
The device dynamically adjusts its feedback provision based on operational context. During active control operations, feedback is provided to confirm actions. During idle periods, the device enters low-power sleep mode with minimal or no feedback, optimizing the balance between information provision and power consumption.
3Ease of operation
If battery-powered operation is used, then device portability and flexibility are improved, but battery life is limited
Solution Approach 1:
The microprocessor controller operates in periodic cycles, alternating between active wake periods where control functions are available and sleep periods where power consumption is minimal. This periodic operation extends battery life by reducing average current draw while maintaining full functionality during active periods.
Solution Approach 2:
The patent replaces mechanical power switches with electronic control mechanisms. The microprocessor-controlled switching system provides more efficient power management compared to mechanical alternatives, enabling finer control over power consumption and extending battery operation through intelligent duty cycling.
4Measurement precision
If sophisticated control features are added, then load control precision is improved, but device complexity increases
Solution Approach 1:
The control device incorporates multiple control capabilities including dimming control, on/off switching, and battery status monitoring within a single unified interface. The rotary dial mechanism provides universal control for different functions, and the LED feedback system communicates multiple states through a single visual channel, achieving sophisticated functionality without proportionally increasing physical complexity.
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
Enhances user experience by providing precise control and status monitoring of electrical loads, prolongs battery life by conserving power through intelligent feedback mechanisms, and offers an aesthetically appealing design.
Implementation Method 1
The battery compartment may be configured to store a battery for powering the control device
Implementation Method 2
The control device may include one or more light sources configured to be illuminated to indicate an amount of power delivered to the electrical load
Implementation Method 3
capacitive touch or electric field sensing for user proximity detection
Data Source
AI summary
A battery-powered control device may be configured to control an amount of power delivered to one or more electrical loads and provide various feedback associated with the control device and/or the electrical loads. The feedback may indicate a low battery condition and/or the amount of power delivered to the one or more electrical loads. The control device may include a light bar and/or one or more indicator lights for providing the feedback. The control device may operate in different modes including a normal mode and a low battery mode.