Radiography Apparatus Power Management via Camera Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Radiography apparatuses with portable radiation emitting devices face challenges in reducing power consumption due to the need for smaller batteries to minimize size and weight, leading to reduced battery capacity, which affects both the radiation emitting device and detector, necessitating efficient power management.
Innovation Solution
A radiography apparatus with a control unit that adjusts the driving state of the radiation emitting device and detector based on whether the detector is within the captured image, switching between power-off, sleep, standby, and active states to optimize power usage, and displays relevant information on the captured image to facilitate efficient imaging operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the battery size is reduced to minimize device size and weight, then the portability and ease of handling are improved, but the battery capacity is reduced leading to increased power consumption concerns
Solution Approach 1:
The patent implements dynamic power management by switching between multiple driving states (power-off, sleep, standby, active) based on operational conditions. The control unit dynamically adjusts the driving state of the radiation detector and emitting device, enabling the system to adapt power consumption to actual imaging needs while maintaining portability with reduced battery size.
2Productivity
If the radiation detector is kept in a high-power state to ensure immediate imaging capability, then the imaging readiness is improved, but the power consumption increases
Solution Approach 1:
The patent employs periodic transitions between different power states based on imaging requirements. The control unit determines whether to maintain the radiation detector in active state or transition to lower power states (sleep or standby) based on whether imaging is currently needed, achieving periodic activation that balances readiness with power conservation.
Solution Approach 2:
The system performs preliminary assessment by the control unit to determine if the radiation detector should be activated before actual imaging begins. This preliminary decision-making allows the system to avoid unnecessary activation of high-power components while maintaining the ability to quickly transition to active state when imaging is truly required.
3Use of energy by moving object
If multiple driving states are implemented for power management, then the power consumption is reduced, but the device complexity increases
Solution Approach 1:
The control unit serves multiple functions: it determines imaging conditions, selects appropriate driving states, controls transitions between states, and manages both the radiation detector and emitting device. This multi-functional approach consolidates control logic into a single component, reducing overall system complexity despite implementing multiple power states.
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
This approach reduces power consumption by preventing unnecessary high-power states during non-imaging situations and enhances operational efficiency by displaying critical information for precise imaging setup and alignment.
Implementation Method 1
a radiation source that emits radiation; a radiation detector that detects the radiation transmitted through the subject
Data Source
AI summary
A radiography apparatus includes a radiation emitting device that irradiates a subject with radiation, a camera that captures an image of the subject to acquire a captured image of the subject, and a radiation detector that detects the radiation transmitted through the subject and generates a radiographic image of the subject. The driving state of at least one of the radiation emitting device or the radiation detector is controlled on the basis of whether the radiation detector is included in the captured image.