Timer Assembly Lighting Mechanism for Dark Environments
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Solution Overview
Problem
Existing timers lack a practical solution for providing visibility within their enclosures in dark environments, making it difficult for users to access and adjust control mechanisms.
Innovation Solution
A timer with a lighting feature that activates when the enclosure lid is open, utilizing a sensor and actuating member to turn on a light, such as a light emitting diode, and turns off when the lid is closed, ensuring illumination only when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a light is added to illuminate the timer interior, then visibility in dark environments is improved, but device complexity increases
Solution Approach 1:
The light is pre-positioned within the timer housing and connected to the control mechanism, but remains inactive until the lid is opened. This preliminary preparation allows the light to activate immediately when needed without requiring additional control logic or user intervention, thus improving visibility while minimizing added complexity.
Solution Approach 2:
The lighting system activates automatically through the mechanical action of opening the lid, which triggers the light through the existing control mechanism. The system serves itself by using the lid's movement to control the light, eliminating the need for separate switches or complex control circuits, thereby improving visibility without significantly increasing device complexity.
2Illumination intensity
If the light remains on continuously, then visibility is improved, but energy consumption increases
Solution Approach 1:
The light operates periodically rather than continuously, activating only when the lid is opened and deactivating when the lid is closed. This periodic operation provides illumination exactly when the user needs to view or adjust the timer settings, significantly reducing energy consumption compared to continuous operation while maintaining adequate visibility during use.
Solution Approach 2:
The lighting system automatically activates and deactivates in response to lid movement, using the mechanical action of opening and closing the lid to control power consumption. This self-regulating behavior ensures the light is on only when necessary, eliminating waste energy while providing adequate visibility during operational periods.
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
Enables users to easily see the interior of the timer housing in dark environments, enhancing usability and accessibility by providing selective and automatic illumination based on the lid's position.
Implementation Method 1
A light may be turned on when the actuating surface or member disengages the sensor... the light may be a light emitting diode
Data Source
AI summary
A timer is configured with a lighting feature so as to provide illumination to the timer in dark environments. The light may actuate by the interaction of an actuating member and sensor within the timer housing. The light may turn on when the enclosure door is in an open position and the light may turn off when the enclosure door is in a closed position. The timer assembly includes a base having a sensor, a lid having an actuating surface or member, a time indicator positioned in the base, and a light interconnected with the base, wherein the actuating surface or member selectively operates the light.