Dynamic Power Distribution Control Circuit for Multi-Port Devices
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Solution Overview
Problem
Multi-port electronic devices, such as docking devices and KVM switches, cannot effectively distribute power to multiple devices with varying power demands, leading to overload conditions when the power supply is insufficient.
Innovation Solution
An electronic device with a power distribution mechanism that includes a control circuit to dynamically adjust power supply to connected devices based on their operating power information, ensuring that power is allocated according to the needs of each device, preventing overload and ensuring continuous supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the multi-port electronic device receives power through a single power receiving port and distributes it to multiple power receiving devices, then the device can support multiple connections, but the device cannot adjust and distribute power according to the varying power demands of each device, leading to overload conditions
Solution Approach 1:
The patent implements dynamic power distribution by enabling the control circuit to continuously monitor power demands of multiple devices and adjust power allocation in real-time. The system transitions from static power distribution to dynamic adjustment based on actual device needs, preventing overload conditions while maintaining multi-port connectivity.
Solution Approach 2:
The control circuit receives power demand information from each connected device and uses this feedback to adjust power distribution. The system monitors the power requirements of each device and modifies the power supplied accordingly, creating a closed-loop control system that maintains reliability under varying load conditions.
2Productivity
If the multi-port electronic device connects to multiple power receiving devices simultaneously, then the device can serve multiple devices, but the device cannot effectively supply power when the total power demand exceeds the adapter's power capacity
Solution Approach 1:
When total power demand exceeds adapter capacity, the system implements partial power distribution by selectively supplying power to devices with lower power demands or by providing reduced power to non-critical devices. The control circuit identifies which devices can operate with reduced power or can be temporarily disconnected, allowing the system to maintain productivity within available power constraints.
Solution Approach 2:
The system changes power distribution parameters dynamically by adjusting the power allocation to each device based on priority levels, device types, and current power availability. When overload conditions occur, the control circuit modifies power parameters (voltage, current) to each device individually rather than maintaining uniform power distribution.
3Device complexity
If the multi-port electronic device uses a simple power distribution approach without dynamic adjustment, then the device structure remains simple, but the device cannot prevent overload conditions when power demands exceed supply capacity
Solution Approach 1:
The control circuit acts as an intermediary between the power receiving port and multiple power supply ports. It monitors power demands and mediates power distribution by adjusting power allocation to each device, preventing overload conditions without requiring complex hardware modifications to the power supply itself.
Solution Approach 2:
The control circuit performs multiple functions: monitoring power demands, calculating optimal power distribution, controlling power allocation to each device, and preventing overload conditions. This single component handles diverse tasks that would otherwise require separate specialized circuits, maintaining relative simplicity while achieving reliable power management.
Data Source
AI summary
An electronic device and a power distribution method are provided. The electronic device obtains operating power information of a first power receiving device, operating power information of a power supply device, and operating power information of at least one second power receiving device. The electronic device further dynamically adjusts power supplied from the power supply device to the first power receiving device and power supplied to the at least one second power receiving device according to the operating power information of the power supply device, the operating power information of the first power receiving device, and the operating power information of the at least one second power receiving device.