Multi-Port Power Supply Control Unit with Segmented Detection
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Solution Overview
Problem
Conventional power supply devices with multiple connecting ports struggle to provide sufficient power to electronic products with different charging specifications, making it difficult for users to confirm if the charging port can deliver adequate power.
Innovation Solution
A power supply controlling device and method that uses a detecting circuit and control units with resistances to derive the maximum power value and power consumption of each port, allowing for selective and direct control of power supply through hardware means, using comparing circuits to adjust power output based on voltage and current requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a power supply device with multiple connecting ports is used to charge multiple electronic products simultaneously, then the versatility and convenience of power supply are improved, but the device cannot provide sufficient power to each port due to fixed total supply power
Solution Approach 1:
The power supply device segments the total power allocation by dividing it into multiple independent control units, each responsible for a specific connecting port. Each control unit independently manages power distribution to its associated port, enabling precise control over power allocation across multiple devices simultaneously.
Solution Approach 2:
The system dynamically adjusts power allocation to each connecting port based on real-time detection of device power consumption requirements. The control units continuously monitor and modify power distribution, transitioning from static fixed allocation to dynamic adaptive allocation that responds to actual device needs.
2Ease of operation
If conventional power supply devices are used without monitoring, then the device complexity is reduced, but users cannot confirm whether the charging port can provide adequate power
Solution Approach 1:
The system implements feedback mechanisms where each control unit continuously detects the actual power consumption of connected devices and feeds this information back to the power supply control. This enables real-time monitoring and automatic adjustment of power allocation, providing users with reliable power supply status confirmation through the detecting circuit and control unit interactions.
Solution Approach 2:
The detecting circuit and control units act as intermediaries between the power source and connected devices. These intermediary components monitor power parameters, process detection results, and mediate power allocation decisions, enabling users to confirm charging status without directly complex interactions with the power supply system.
3Measurement precision
If hardware means are used to directly and selectively control power supply to each port, then the power distribution precision is improved, but the device complexity increases due to multiple control units and detecting circuits
Solution Approach 1:
The detection and control functions are segmented into independent control units, each equipped with its own detecting circuit. This segmentation enables precise independent measurement of power consumption at each port while using modular architecture to manage the inherent complexity through standardized repeating units.
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
Enables effective monitoring and management of power supply to each port, ensuring proper charging by calculating the maximum power value and power consumption, allowing for efficient distribution and limiting or turning off power as needed, thereby addressing the issue of insufficient power delivery.
Implementation Method 1
The detecting circuit comprises a first power source, which generates a first current, to derive a maximum power value of the power source
Implementation Method 2
The comparing circuit compares the first voltage with a first predetermined voltage value, to derive the value of the resistance and the maximum power value of the power source
Implementation Method 3
The first control circuit and the second control circuit respectively comprise a second power source, which generates a second current according to a comparative result of the comparing circuit
Data Source
AI summary
The present invention provides a power supply controlling module, which is suitable for a power supply controlling device. The power supply controlling device comprises a power source and a plurality of connecting ports. The power supply controlling module comprises a plurality of control units and a resistance. Each of the control units respectively connects with each of the connecting ports. The control units comprise a first control unit and at least one second control unit. The resistance electrically connects with the control units. The first control unit comprises a detecting circuit and a first control circuit, which respectively connects with the resistance. Each of the at least one second control unit comprises a second control circuit, which respectively connects with the resistance.