Integrated Lighted Safety Switch for Battery Backup Testing
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Solution Overview
Problem
Current emergency lighting systems require separate components for testing and indicating AC power and battery backup functionality, which are inefficient, prone to vandalism, and complicate inspection procedures.
Innovation Solution
A safety device cabinet with a safety switch having an integrated light, which includes a push momentary switch, a bezel light source, and a switch logic circuit that monitors AC voltage and switches to a backup battery for emergency lighting, providing a single, efficient, and vandal-resistant solution for testing and indicating power status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate components are used for testing and indicating AC power and battery backup functionality, then the system provides comprehensive safety monitoring, but the device complexity increases and manufacturing costs rise
Solution Approach 1:
The patent combines the AC power indicator light and battery backup test switch into a single integrated safety switch assembly. The light source is positioned within the switch housing, and the test button activates both the battery backup testing and the light illumination simultaneously, reducing multiple separate components into one unified device.
Solution Approach 2:
The integrated safety switch performs multiple functions: it serves as the AC power status indicator, the battery backup test activation, and the emergency lighting control all through a single component assembly. The test button simultaneously initiates battery testing and illuminates the indicator light, demonstrating multi-functionality that reduces overall system complexity.
2Reliability
If separate components are used for testing and indicating, then comprehensive safety monitoring is provided, but manufacturing costs and labor during testing increase
Solution Approach 1:
The patent merges the AC power indicator light and battery backup test switch into a single integrated safety switch assembly. The light source is positioned within the switch housing, and the test button activates both the battery backup testing and the light illumination simultaneously, reducing multiple separate components into one unified device that is easier to manufacture and install.
3Ease of operation
If protruding buttons are used for testing, then the test function is accessible, but the system becomes prone to vandalism
Solution Approach 1:
The test button is nested within the safety switch housing rather than protruding outward. The button is recessed into the switch body, creating a protected position that is less susceptible to vandalism while remaining accessible for legitimate testing operations. The light source is also integrated within the housing, protecting both elements from external damage.
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 reduces manufacturing costs, minimizes labor during testing, enhances user interface, and improves visibility of failures, while providing a more efficient and effective means to test backup battery functionality and AC power status.
Implementation Method 1
The edge light emitting device will emit light into the edge of the window and the etched message will be illuminated
Implementation Method 2
a battery back-up... The NFPA standard/code developed in 1974 requiring battery backup systems for emergency lighting fixtures
Data Source
AI summary
A safety device cabinet includes an equipment cabinet, a safety switch having an integrated light, a switch logic circuit and a battery back-up. The safety device cabinet includes an equipment cabinet and an access door. The access door includes a window and an edge light emitting device. The window is etched with a message containing a description of the equipment stored in the equipment cabinet. The safety switch with an integrated light includes a push momentary switch, a light bezel and a bezel light source. An inner perimeter of the outer shell is sized to receive a push button of the push momentary switch. The light bezel preferably includes an opening to receive a light emitting portion of the light source. The switch logic circuit preferably includes a AC to DC converter, a microprocessor, a software program and a monitoring device.