Security Control Panel Power Rail Switching for Backup Runtime
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Solution Overview
Problem
Existing security and fire systems face challenges in efficiently managing main and backup power, leading to potential system shutdowns when primary power is not restored before backup power expires.
Innovation Solution
A control panel with a controller that allows users to programmatically manage which devices receive main power only, backup power only, or both, ensuring critical components remain powered during main power outages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If backup power is used to maintain operation of all devices when main power fails, then system reliability is improved, but backup power duration is reduced
Solution Approach 1:
The patent segments the power supply system into multiple independent power rails (first power rail, second power rail, third power rail) that can be independently configured. Each power rail can be assigned to different devices, allowing selective power distribution during main power failure. This segmentation enables the system to power only critical devices with backup power, extending backup power duration while maintaining reliability for essential functions.
Solution Approach 2:
The patent implements local quality by allowing different power rails to have different power supply configurations. The controller can assign backup power to specific power rails based on the criticality of connected devices. For example, critical security devices receive backup power while non-critical devices are powered only by main power, optimizing backup power usage and extending its duration.
2Reliability
If backup power is allocated to all devices, then system reliability is improved, but device complexity increases
Solution Approach 1:
The controller serves multiple functions: it monitors main power status, manages backup power distribution, configures power rail assignments, and controls relay switching. This multi-functionality consolidates power management complexity into a single intelligent component rather than requiring separate control mechanisms for each device, simplifying the overall system architecture while maintaining reliability.
Solution Approach 2:
The power management system is dynamic and reconfigurable. The controller can adjust power rail assignments and backup power distribution based on real-time conditions and user-configured priorities. This dynamic capability allows the system to adapt to different operational scenarios without requiring hardwired complex control circuits for each possible configuration.
3Adaptability or versatility
If user configuration options for power distribution are increased, then adaptability is improved, but ease of operation is reduced
Solution Approach 1:
The system performs preliminary action by automatically detecting main power failure and switching backup power distribution according to pre-configured settings. Users configure power rail assignments and device priorities in advance through a simplified interface. When main power fails, the controller automatically executes the pre-planned power distribution strategy without requiring real-time user input, combining adaptability with ease of operation.
Solution Approach 2:
The controller provides self-service by automatically monitoring power status, managing relay switching, and executing power distribution decisions based on user-configured parameters. Once users set the power rail assignments and device priorities, the system autonomously manages power distribution during outages without requiring continuous user intervention, maintaining both flexibility and operational simplicity.
Data Source
AI summary
A control panel includes a main power input, a backup power input, a plurality of power outputs for powering one or more external devices that are external to the control panel and a controller that is configured to receive a user assigned state for each of the power outputs, wherein the user assigned state includes a first state in which the corresponding power output provides main power when the main power is available and provides backup power when the main power is not available, and a second state in which the corresponding power output provides main power when the main power is available but does not provide backup power when the main power is not available. The controller is configured to control the one or more of the plurality of power outputs according to the corresponding user assigned state.