Smart Power Supply Control for Mobile and Accessory Devices
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Solution Overview
Problem
Existing power supply systems for mobile communication devices and accessory devices, such as headsets, often have limited operational times due to the limited battery life and high power needs, especially in scenarios where a charger or power source is not readily available, like in professional use cases like rescue or firefighting.
Innovation Solution
A control device that selectively adjusts power supply from a power source via multiple outputs based on charge levels and power needs of both the mobile communication device and accessory device, ensuring both devices operate for substantially equal times by optimizing power distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power is supplied to both mobile communication device and accessory device from a single portable external power source, then both devices can operate simultaneously, but the operation time is limited by the power source's charge capacity
Solution Approach 1:
The power supply control device dynamically adjusts the power distribution ratio between the mobile communication device and accessory device based on real-time charge levels and power needs. The system transitions from static power allocation to dynamic adaptation, optimizing energy utilization throughout the operational period to extend total operational time.
Solution Approach 2:
The system changes the power supply parameters (voltage, current allocation) to multiple devices simultaneously based on their individual charge levels and power requirements. By adjusting these parameters dynamically, the system maximizes the utilization of the portable power source's capacity, extending operational time beyond what would be achievable with fixed power allocation.
2Power
If the mobile communication device has high power needs, then it can perform demanding functions, but the battery life becomes the weak link limiting operational time
Solution Approach 1:
The system segments the power supply function by introducing a separate power source for the mobile communication device, independent of the accessory device's battery. This segmentation allows each device to have its own power management strategy, enabling the mobile communication device to access additional power capacity without being constrained by the accessory device's battery limitations.
Solution Approach 2:
The portable external power source serves multiple functions: it charges both the mobile communication device and the accessory device, and can dynamically adjust power distribution between them. This multi-functionality allows a single power source to address the high power needs of the mobile communication device while simultaneously supporting the accessory device, extending overall operational time.
3Adaptability or versatility
If separate chargers are used for mobile communication device and accessory device, then each device can be charged independently, but operational continuity is compromised when charger or power supply is not available
Solution Approach 1:
The system merges the charging functions for both devices into a single integrated power management architecture. The portable external power source can simultaneously charge both the mobile communication device and accessory device, or dynamically switch between them based on charge levels and power needs. This consolidation maintains charging flexibility while ensuring operational continuity, as the system can manage power resources centrally without requiring separate chargers.
Data Source
AI summary
A control device for selectively controlling a power supply from a power source via at least one of a first output and a second output. The control device including at least one processor and at least one memory storing at least one portion of computer program code, the processor being configured to cause the control device to obtain an indication of at least the following parameters: a charge level of the power source, power need from the first output, a power need from the second output; and selectively adjust the power supply via the first output and via the second output from the power source in dependence of the parameters. A power supply arrangement includes the control device.