Radiation Imaging Apparatus Impact Resistance Fitting Member
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Solution Overview
Problem
Current radiation imaging apparatuses, particularly portable ones, lack sufficient impact resistance and protection for their radiation detectors against impacts from falling, as existing buffer materials and supporting mechanisms are inadequate in absorbing forces beyond compression directions.
Innovation Solution
The apparatus incorporates a fitting member system with protrusions and recesses between the internal unit and the case, arranged to regulate movement and distribute inertial forces during impacts, enhancing protection by fitting between the internal unit and the case's walls, thereby improving impact resistance and preventing damage to the radiation detector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a buffer material is provided between the radiation detector and the support base plate to alleviate impact, then the impact-absorbing effect against compression direction impact is improved, but the impact-absorbing effect against impact in directions other than compression is insufficient
Solution Approach 1:
The support structure is divided into multiple independent support members (first support members and second support members) positioned at different locations and orientations. The first support members extend in a first direction while the second support members extend in a second direction perpendicular to the first direction, creating a segmented support system that can independently respond to impacts from multiple directions
Solution Approach 2:
Different support members are configured with different local properties - the first support members are optimized for impacts in one direction while the second support members are optimized for impacts in the perpendicular direction. Each support member has specific structural characteristics tailored to its directional impact absorption function
2Stability of the object's composition
If a supporting mechanism is provided at each corner portion to bring the radiation detector assembly into abutment against the case, then the movement regulation is improved, but the impact-absorbing performance is insufficient
Solution Approach 1:
The support members are designed with elastic or flexible properties that allow them to dynamically respond to impact forces. Rather than rigid abutment, the support members can deform elastically to absorb impact energy while maintaining their support function, providing both movement regulation and impact absorption
Solution Approach 2:
The support members act as intermediary elements between the radiation detector assembly and the case. Instead of direct abutment, the support members mediate the interaction by providing a compliant interface that can absorb and distribute impact forces while maintaining positional stability
Data Source
AI summary
A radiation imaging apparatus includes an internal unit having a radiation detector arranged to convert a radiation that is passed through a subject into electric signals. A base plate is arranged to support the radiation detector. A case having a rectangular parallelepiped shape is arranged to accommodate the internal unit. A fitting member is interposed between an inner wall of the case and an end portion of the internal unit, and fitted to the inner wall of the case and the end portion of the internal unit in a planar view as seen from an incident direction of the radiation.