Power Management Module for PC Supply Stability
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Solution Overview
Problem
Existing power supply systems for personal computer systems lack efficient power management, leading to issues with increased peripheral devices and mode changes causing abnormal voltage or current output due to excessive power consumption, resulting in inefficient power usage and potential system instability.
Innovation Solution
A power management module comprising a memory device, voltage and current detecting units, a writing unit, and an alarm signal generation unit, which detects and records voltage and current values from the AC/DC switching power supply and provides alarm signals to the electronic device, enabling efficient power utilization and monitoring of operation conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of peripheral devices connected to the personal computer system increases, then the power supply capacity requirement increases, but the power supply cannot support additional output power due to fixed design capacity
Solution Approach 1:
The power management module continuously monitors the operating status of the power supply including voltage, current, temperature, and power consumption through detecting units. This feedback mechanism enables the system to understand real-time power supply capacity utilization and adjust accordingly, resolving the contradiction by providing dynamic information about actual power supply capabilities versus required capacity.
Solution Approach 2:
The system performs preliminary detection of power supply operating status before problems occur. By continuously monitoring voltage, current, and temperature in advance, the system can predict when the power supply will reach its capacity limit and take preventive actions, allowing the system to adapt to increasing peripheral device connections before power supply failure occurs.
2Power
If the system changes the operation mode from normal mode to turbo mode, then the power consumption increases, but the temperature of the power supply increases rapidly causing abnormal output voltage or current
Solution Approach 1:
Temperature detecting units continuously monitor the power supply temperature and feed this information back to the power management module. When the temperature approaches dangerous levels during turbo mode operation, the system receives real-time feedback and can adjust power distribution or activate cooling mechanisms, preventing abnormal voltage or current output while still allowing high power consumption modes.
Solution Approach 2:
The system implements beforehand cushioning by continuously monitoring temperature and power consumption levels before they reach critical thresholds. The power management module maintains a buffer by detecting trends in temperature rise during mode changes, allowing preventive actions to be taken before the power supply temperature causes abnormal output, thus cushioning against potential failures.
3Power
If the power supply operates at high power consumption levels, then the output power capacity increases, but the system cannot obtain operation conditions of the power supply such as margin of rest power
Solution Approach 1:
The power management module implements comprehensive feedback by continuously detecting voltage, current, temperature, and power consumption levels. This feedback provides real-time information about the power supply's operating conditions including the margin of rest power, allowing the system to understand both the current output power capacity and the remaining available capacity without losing critical operational information.
Solution Approach 2:
The power management module serves multiple functions simultaneously: it monitors voltage, current, temperature, calculates power consumption, determines remaining capacity, and provides alarm functions. This multi-functionality ensures that while the power supply operates at high capacity levels, comprehensive information about operation conditions is maintained and made available to the system, preventing information loss.
4Stability of the object's composition
If the power supply is designed to provide constant voltage and current, then the system operation stability is maintained, but the system cannot efficiently use the power provided by the power supply
Solution Approach 1:
The power management module introduces dynamics to the previously static power supply system by continuously monitoring operating conditions and enabling adaptive responses. While the power supply maintains constant voltage and current for stability, the management module dynamically adjusts power distribution, monitors capacity utilization, and optimizes power usage based on real-time conditions, thereby improving efficiency without sacrificing the fundamental stability provided by constant output parameters.
Data Source
AI summary
A power management module electrically coupled between an AC/DC switching power supply and an electronic apparatus comprises a memory device, voltage and current detecting units, a writing unit, and an alarm signal generation unit. The memory device generates an output data to the electronic apparatus. The voltage and current detecting units detect voltages and currents of the output terminals of the switching power supply, respectively. The writing unit writes a new input data and the voltage and current data to the memory. The alarm signal generation unit generates an alarm signal to the electronic apparatus according to the data stored in the memory device and according to the operation condition of the switching power supply.