Radiation Imaging Power Supply Layout for Thin Shock Protection
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Solution Overview
Problem
Radiation imaging apparatuses face challenges in portability and durability due to the thickness and volume constraints of power supply units, which can lead to damage from external shocks and vibrations, and difficulty in arranging capacitors and grip portions within the limited space.
Innovation Solution
A power supply unit configuration that includes a laminated lithium-ion capacitor with a sheet fixing member to secure the insulating sheet between the power supply and the substrate, reducing the risk of damage from external forces and optimizing the arrangement within the apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a case is used to house the power supply unit, then the connected portions between terminal portions and lead wire are protected, but the thickness is increased making it difficult to house in the radiation imaging apparatus
Solution Approach 1:
The patent replaces the traditional rigid case with a thin film insulating sheet that provides necessary protection while maintaining minimal thickness. The insulating sheet is configured to cover the connected portions between terminal portions and lead wire, providing protection without the bulk of a conventional case, thus enabling the power supply unit to be housed within the compact radiation imaging apparatus.
Solution Approach 2:
The patent divides the protection function into segments: the insulating sheet provides protection for connected portions, while the grip portion structure provides structural support and shock absorption. This segmentation allows each component to be optimized independently, with the insulating sheet being thin and flexible while the grip portion provides mechanical strength.
2Length of moving object
If a sheet is used instead of case to reduce thickness, then the power supply unit can be housed in the apparatus, but the connected portions may be damaged due to lifting and wrinkles
Solution Approach 1:
The patent introduces a sheet fixing member as an intermediary component between the insulating sheet and the housing. This fixing member secures the insulating sheet to prevent lifting and wrinkling, thereby protecting the connected portions without requiring a thick case. The sheet fixing member acts as a mediator that transfers and distributes mechanical stresses away from the vulnerable connected portions.
Solution Approach 2:
The insulating sheet itself serves as a beforehand cushioning layer that prevents direct contact between external forces and the connected portions. By placing this protective layer in advance, the patent prevents damage from shocks and vibrations before they can reach the vulnerable soldered connections.
3Use of energy by moving object
If the volume of capacitor is increased to supply sufficient electric power, then enough energy is available, but the limited volume inside the apparatus is occupied making it difficult to arrange grip portion and capacitor
Solution Approach 1:
The patent utilizes the grip portion as a nested structure where the capacitor is housed within or alongside the grip portion. This nesting arrangement allows the capacitor to occupy the space defined by the grip portion, maximizing space utilization. The grip portion serves dual functions: providing user grip capability and housing the capacitor, thereby eliminating the need for separate dedicated capacitor housing space.
Solution Approach 2:
The patent arranges the capacitor and grip portion in a three-dimensional configuration that efficiently utilizes available space. By orienting components along different axes and utilizing vertical space, the design accommodates both the required capacitor volume for sufficient power supply and the grip portion for portability, transforming the two-dimensional layout constraint into a three-dimensional space optimization problem.
Data Source
AI summary
An apparatus includes a supporting base arranged to support a panel arranged to detect incident radiation, a power supply including a positive terminal portion and a negative terminal portion, a substrate connected to the positive terminal portion and the negative terminal portion, an insulating sheet arranged between the supporting base, and the power supply and the substrate, wherein the power supply and the substrate are fixed to the insulating sheet, and a sheet fixing member arranged to fix at least one sheet end of a plurality of sheet ends of the insulating sheet to the supporting base.