CT Inspection Passage Structure Using Carbon Fiber Radiation Gaps
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Solution Overview
Problem
Existing CT detection channels face challenges in balancing structural rigidity and cost efficiency, with full carbon fiber structures being costly due to unique molds and metal-cantilever structures having poor rigidity and high assembly errors.
Innovation Solution
A detection channel design using metal base pipes with carbon fiber connectors, where carbon fiber connectors are fixedly connected to the base pipes, forming a radiation gap to ensure high structural rigidity and reduce production costs by utilizing standard carbon fiber components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If full carbon fiber structure is used for detection channel, then structural rigidity and detection precision are improved, but manufacturing cost increases due to unique molds
Solution Approach 1:
The detection channel is segmented into metal base pipe sections connected by carbon fiber connectors. This allows the use of standard metal piping for the main structure while applying carbon fiber only where rigidity is critical, avoiding the need for expensive full-carbon-fiber molds while maintaining detection precision.
Solution Approach 2:
The patent uses a composite structure combining metal base pipes with carbon fiber connectors. The metal provides structural support and ease of manufacture, while the carbon fiber sections provide the necessary rigidity for precise detection, achieving both goals without full carbon fiber construction.
2Ease of manufacture
If metal-cantilever structure is used for detection channel, then manufacturing cost is reduced, but structural rigidity deteriorates and assembly errors increase
Solution Approach 1:
The detection channel is divided into rigid metal base pipe sections connected by specialized carbon fiber connectors. This segmentation allows the metal sections to provide structural support while the carbon fiber connectors maintain rigidity at connection points, avoiding the flexibility issues of metal-cantilever structures.
Solution Approach 2:
By combining metal base pipes with carbon fiber connectors, the structure achieves both the manufacturing ease of metal and the rigidity of carbon fiber. The carbon fiber connectors are specifically designed to minimize assembly errors while maintaining structural strength.
3Reliability
If carbon fiber connectors are fixedly connected to base pipes, then assembly errors are reduced and reliability is improved, but device complexity increases
Solution Approach 1:
The detection channel is segmented into modular metal base pipe sections connected by standardized carbon fiber connectors. This modularity allows for precise fixed connections while keeping each component relatively simple, reducing overall assembly errors without excessive complexity.
Solution Approach 2:
The carbon fiber connectors are designed as universal components that can be consistently applied across different sections of the detection channel. This standardization reduces assembly errors through repeatability while avoiding the need for custom complex connection designs for each section.
Data Source
AI summary
A detection channel for CT detection and a CT detection device (1000). The detection channel includes: at least two base pipes and a carbon fiber connector. Each base pipe is a metal component with both ends of the base pipe open, the at least two base pipes are distributed sequentially in a length direction of the detection channel, cavities of the at least two base pipes are connected sequentially to allow an object to be detected to pass through, two base pipes are spaced apart from each other in the length direction, and a radiation gap is defined between the two base pipes; the carbon fiber connector extends in the length direction, a middle part of the carbon fiber connector is located within the radiation gap, two ends of the carbon fiber connector are at least fixedly connected to the base pipes on both sides of the radiation gap respectively, and the carbon fiber connector is a solid rod or a pipe body.