Radiographic Apparatus Housing with Conductive Stack Structure
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Solution Overview
Problem
Conventional digital radiographic apparatuses with metal enclosures face challenges in reducing weight while maintaining high noise resistance, leading to decreased portability due to electromagnetic noise interference from other medical devices in hospitals.
Innovation Solution
A radiographic apparatus with a housing structure featuring a stack of conductor layers connected via electric connection members and a nonconductor layer, which suppresses electromagnetic noise and allows for weight reduction using lightweight materials like CFRP and resin, ensuring improved portability and noise resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the enclosure of the radiation detector is made of metal material to ensure noise resistance, then electromagnetic noise is shielded, but the weight of the detector increases and portability decreases
Solution Approach 1:
The patent applies composite materials by combining conductive resin (providing electromagnetic shielding) with non-conductive resin (providing structural support and weight reduction). This composite structure allows the enclosure to achieve noise resistance without requiring heavy metal materials, thus resolving the contradiction between reliability (noise resistance) and weight reduction.
Solution Approach 2:
The patent changes the electrical conductivity parameter of the enclosure material by using conductive resin instead of traditional metal. This parameter change maintains the electromagnetic shielding capability (noise resistance) while significantly reducing the weight, thereby resolving the contradiction between noise resistance and portability.
2Reliability
If conductive sealing members are used to shield electromagnetic waves, then noise resistance is improved, but the device complexity increases
Solution Approach 1:
The patent merges the electromagnetic shielding function with the structural enclosure by integrating conductive resin into the housing structure itself. This eliminates the need for separate conductive sealing members and metal components, thereby reducing device complexity while maintaining noise resistance.
Solution Approach 2:
The conductive resin material serves multiple functions simultaneously: it provides electromagnetic shielding (noise resistance), structural support, and electrical connectivity. This multi-functionality reduces the need for separate components, thereby simplifying the overall device structure while maintaining reliability.
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
The solution effectively reduces the weight of the radiographic apparatus while maintaining high noise resistance, preventing electromagnetic noise interference and enabling clear radiographic images, thus enhancing portability and image quality.
Implementation Method 1
the entirety of the enclosure of the radiation detector is made of a conductive material or a metal material. Therefore, the radiation detector has a problem in that the weight of the detector tends to be large
Implementation Method 2
a nonconductor layer disposed between the first conductor layer and the second conductor layer
Implementation Method 3
a sensor panel that obtains a radiographic image by converting radiation incident thereon into an electric signal
Data Source
AI summary
A radiographic apparatus includes a sensor panel that obtains a radiographic image by converting radiation incident thereon into an electric signal, a sensor support base that supports the sensor panel, and a housing that houses the sensor panel and the sensor support base therein. The housing includes a stack structure including a first conductor layer, a second conductor layer electrically connected to the first conductor layer via an electric connection member, and a nonconductor layer disposed between the first conductor layer and the second conductor layer.