Intercom Power Management via Dynamic Voltage Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Video intercom systems face issues with power consumption due to voltage drops caused by high resistance in network cables, leading to indoor intercom terminals being unable to restart or function properly under low input voltage.
Innovation Solution
A system that includes a power supply, a power consumer connected through a transmitting device, and a processor that adjusts the operation status of the power consumer based on voltage differences by using mapping tables to identify target indices for resistance and voltage adjustments, thereby optimizing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the network cable length is increased or cable quality is reduced, then the coverage area and installation flexibility are improved, but the voltage drop increases causing the intercom terminal to malfunction
Solution Approach 1:
The intercom terminal dynamically adjusts its power consumption based on the detected voltage level. The processor monitors the input voltage and modifies operational parameters (such as display backlight brightness, speaker volume, or processing frequency) to match the available power, ensuring continuous operation across varying cable conditions without malfunction.
Solution Approach 2:
The system changes operational parameters of the intercom terminal based on voltage conditions. By detecting voltage drop and adjusting parameters like power consumption mode, processing speed, or output intensity, the terminal maintains reliable operation regardless of cable length or quality variations.
2Reliability
If the network cable resistance is reduced by using shorter or higher quality cables, then the voltage drop is reduced improving terminal operation, but the installation flexibility and coverage area are limited
Solution Approach 1:
The intercom terminal transitions from a static power consumption design to a dynamic one where the processor continuously monitors voltage and adjusts operational intensity accordingly. This allows the system to maintain reliability over extended cable lengths by adapting to the reduced power availability caused by higher resistance.
Solution Approach 2:
The system performs self-adjustment by automatically detecting voltage drop conditions and modifying its own operational parameters without external intervention. The processor manages power allocation internally based on real-time voltage feedback, enabling the terminal to self-optimize for different installation scenarios.
3Productivity
If the intercom terminal operates at full power consumption, then the functional performance is optimized, but the terminal cannot operate under low voltage conditions caused by high cable resistance
Solution Approach 1:
The intercom terminal employs dynamic power management where the processor adjusts operational intensity based on detected voltage levels. During high voltage conditions, the terminal operates at full performance; during low voltage conditions, it automatically reduces power consumption while maintaining essential functions, thus achieving both optimal performance when possible and broad adaptability.
Solution Approach 2:
The system changes operational parameters such as processing frequency, display brightness, or audio output power based on voltage conditions. This parameter adaptation allows the terminal to maintain acceptable functional performance across a wide range of voltage inputs caused by different cable configurations.
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
The system effectively adjusts the power consumption of intercom devices by reducing voltage drop, ensuring they operate correctly even under low input voltage by adjusting parameters like backlight brightness and volume, thus preventing malfunction.
Implementation Method 1
obtain a first voltage associated with the power supply and a second voltage associated with the power consumer... identify a target index from the at least one reference index at least based on the first voltage and the second voltage
Data Source
AI summary
A system and method for adjusting power consumption of a power consumer (e.g., an intercom device) may include a power supply, the power consumer connected to the power supply through a transmitting device, and at least one processor. The at least one processor may be configured to obtain a first voltage associated with the power supply and a second voltage associated with the power consumer, and adjust an operation status of the power consumer at least based on the first voltage and the second voltage. The first voltage may be an output voltage of the power supply, and the second voltage may be an input voltage of the power consumer.