Control Panel Voltage Adjustment via Modulated Feedback Signal
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Solution Overview
Problem
Security systems with preexisting wiring face voltage drop issues due to low gauge or long length wiring, leading to insufficient input voltage for control panels, causing operational failures or intermittence.
Innovation Solution
A system and method for measuring and modifying the input voltage to a security system control panel, where the control panel can detect voltage deviations and either notify the user or automatically send a modulated signal to the power supply to adjust the voltage within acceptable ranges, using programmable processors and control software to execute these functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If preexisting wiring (low gauge or long length) is used to connect power supply to control panel, then installation ease is improved, but voltage drop increases causing insufficient input voltage
Solution Approach 1:
The control panel measures the input voltage received from the power supply and compares it to an acceptable range. When the voltage is outside the acceptable range, the control panel generates a message indicating the voltage issue, creating a feedback loop that allows the system to detect and report voltage problems caused by preexisting wiring limitations.
Solution Approach 2:
The system modifies the electrical parameter (voltage) by identifying when the input voltage falls outside acceptable ranges and generating appropriate messages to indicate the need for voltage adjustment, either through user notification or automatic adjustment mechanisms.
2Reliability
If control panel automatically adjusts voltage by sending modulated signals to power supply, then voltage stability is improved, but device complexity increases
Solution Approach 1:
The control panel automatically measures its own input voltage, determines whether the voltage is within acceptable ranges, and generates appropriate messages or signals without requiring external intervention. This self-service capability allows the control panel to autonomously manage voltage issues.
Solution Approach 2:
The control panel creates a feedback mechanism by measuring input voltage and automatically generating messages or modulated signals to the power supply when voltage deviations are detected, enabling automatic voltage adjustment without increasing overall system complexity.
3Measurement precision
If control panel notifies user of voltage issues, then measurement precision is improved, but ease of operation decreases
Solution Approach 1:
The control panel measures input voltage with precision and provides feedback to the user through generated messages when voltage issues are detected. This feedback mechanism maintains measurement precision while informing users of the specific voltage problems.
Solution Approach 2:
The control panel performs self-diagnosis by measuring its own input voltage and generating appropriate messages to indicate voltage issues, reducing the need for user intervention in voltage measurement and troubleshooting.
Data Source
AI summary
Systems and methods for measuring and modifying an input voltage provided to a control panel are provided. Some systems can include measuring the input voltage provided by a power supply, determining whether the input voltage is within a range of acceptable input voltages, transmitting, to the power supply, a modulated signal on a direct current line between the power supply and the control panel instructing the power supply to modify the input voltage, and generating a notification when the input voltage is outside of the range of acceptable input voltages.