Ultrasound Diagnostic Apparatus Power Source Control
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Solution Overview
Problem
Existing ultrasound diagnostic apparatuses face challenges in flexible battery charging, as they often require longer charging times due to limited battery capacity and inefficient power allocation between device operation and charging.
Innovation Solution
The proposed solution involves an ultrasound diagnostic apparatus with a hardware processor that can connect to both a first power source and a second power source, allowing for dynamic adjustment of electric power supply to the apparatus and battery based on the power supplying capability of the connected source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a large-capacity battery is used to extend diagnosis time, then the duration of action is improved, but the charging time becomes excessively long
Solution Approach 1:
The system dynamically adjusts power allocation between device operation and battery charging based on operational state. When the ultrasound diagnostic device is not operating or in low-power mode, a larger portion of power from the second power source is allocated to battery charging, thereby reducing charging time without compromising diagnosis duration capability
Solution Approach 2:
The control section changes the power supply parameters by switching between different power sources (first power source with limited capacity and second power source with large capacity) and adjusting the power distribution ratio based on operational requirements, enabling flexible charging time adjustment
2Productivity
If power is allocated to both device operation and battery charging simultaneously, then productivity is improved, but the charging speed decreases
Solution Approach 1:
The system dynamically adjusts the power allocation ratio between device operation and battery charging based on operational state. When the ultrasound diagnostic device is not operating or in low-power mode, a larger portion of power from the second power source is allocated to battery charging, thereby reducing charging time without compromising diagnosis duration capability
Solution Approach 2:
The control section acts as an intermediary that manages power distribution from multiple power sources, intelligently allocating power between device operation and battery charging based on real-time operational requirements, thereby balancing productivity and charging speed
3Device complexity
If a single power source is used, then device complexity is reduced, but adaptability to different charging needs is limited
Solution Approach 1:
The system incorporates multiple power sources with different characteristics (first power source with limited capacity and second power source with large capacity) that can be used in different scenarios, providing universal adaptability to various charging needs while maintaining manageable complexity through automated control
Solution Approach 2:
The control section automatically detects the operational state and selects the appropriate power source and power allocation ratio without user intervention, making the system self-serve and reducing the perceived complexity for users while maintaining high adaptability
Data Source
AI summary
An ultrasound diagnostic apparatus includes: an executor that executes ultrasound diagnosis; a battery that supplies electric power to the executor, and a hardware processor that is connectable to both a first power source, which supplies the electric power to the executor and the battery, and a second power source, which supplies the electric power to the executor and the battery and has suppliable electric power larger than suppliable electric power of the first power source, and performs control such that amounts or an amount of the electric power to be supplied to the executor and/or the battery are/is varied according to electric power supplying capability of a power source that is the first power source or the second power source and has been connected.