Radiography Camera Curved Channel Shielding
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Solution Overview
Problem
Current radiography systems using gamma radiation sources face challenges with radiation shielding, including the need for massive shutters that are prone to malfunctions and increased weight due to additional shielding, and complex coupling mechanisms that can lead to accidental source exposure.
Innovation Solution
A radiography camera system with a curved channel made from radiation shielding material, featuring a flexible cable with beads for shielding and a secure coupling mechanism that automatically locks the source assembly within the exposure container, eliminating the need for massive shutters and complex coupling devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If massive shutters are used for radiation shielding, then radiation protection is improved, but device weight and complexity increase
Solution Approach 1:
The radiation shielding is segmented into multiple components: the exposure container provides primary shielding, the curved channel provides secondary shielding along the source path, and the coupling device provides localized shielding at the source interface. This distributes the shielding function across multiple lighter components rather than requiring one massive shutter.
Solution Approach 2:
The source assembly with its inherent shielding is nested within the exposure container. The coupling device then nests the source assembly into the curved channel of the exposure container, creating layered shielding without requiring additional massive shutters.
2Object-affected harmful factors
If massive shutters are used for radiation shielding, then radiation protection is improved, but device complexity increases
Solution Approach 1:
The shielding function is segmented across the exposure container, curved channel, and coupling device, eliminating the need for a single complex massive shutter mechanism with precise dimensional requirements.
Solution Approach 2:
Instead of using a shutter to block radiation from a straight-through channel, the design inverts the approach by using a curved channel that inherently blocks radiation through its geometry, with shielding integrated into the channel structure itself.
3Reliability
If complex coupling mechanisms are used, then secure source connection is improved, but risk of accidental exposure increases
Solution Approach 1:
The coupling device is pre-configured with the curved channel and locking mechanism. When the source assembly is inserted, the coupling automatically engages and locks it into place along the curved path, ensuring secure connection before radiation exposure begins.
Solution Approach 2:
The coupling device automatically secures the source assembly through its mechanical design. The curved channel geometry and locking mechanism work together to self-lock the source in place, reducing reliance on complex external control systems and minimizing opportunities for accidental exposure.
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 system provides enhanced radiation safety, reduces wear on the source path, and simplifies the connection process, ensuring the source assembly is securely locked and reducing the risk of radiation exposure during operation.
Implementation Method 1
a source of penetrating photon radiation (X-ray or gamma ray) is placed on one side of a specimen
Implementation Method 2
In passing through the specimen, the radiation is attenuated by the material along the beam path. Thicker and denser material will attenuate the radiation to a greater degree than thinner and less dense material.
Implementation Method 3
it is necessary to provide shielding around the radiation source to provide radiation protection to the operators and the general public
Data Source
AI summary
A radiography camera system includes an exposure container made from radiation shielding material and having a curved channel therein that terminates inside the exposure container, a first conduit portion having a first end coupled to the exposure container, a switch coupled to a second end the first conduit portion, a second conduit portion having a first end coupled to the switch, a guide tube coupled to the switch, a crank coupled to a second end of the second conduit portion, and a cable disposed in the crank and having a connector for a source assembly on an end thereof, the cable actuating the switch to cause the cable to feed through one of: the first conduit portion or the guide tube when the crank unwinds the cable. The exposure container may be made from depleted uranium, tungsten, and/or lead. The curved channel may be J-shaped.