UAV Radiation Detector Using Battery Shielding
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Solution Overview
Problem
Current radiation detection systems, particularly in aerial vehicles, face challenges in efficiently obtaining directional radiation measurements due to size and weight constraints, which limit their effectiveness in large outdoor areas and complex radiation source environments, and often require additional shielding that increases complexity and weight.
Innovation Solution
A directional radiation detection system that repurposes the vehicle's power source, such as batteries, to serve as both a power supply and shielding, allowing for efficient and lightweight directional radiation measurements by configuring the batteries to provide radiation shielding without adding net weight, and utilizing a directional shielding assembly that includes a radiation inlet to allow incident radiation to reach the detector while blocking unwanted radiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If additional shielding materials are added to the radiation detection system, then radiation shielding performance is improved, but vehicle weight increases
Solution Approach 1:
The patent applies multi-functionality by making the power source perform both its primary function (providing electrical power) and a secondary function (radiation shielding). The power source is positioned between the radiation detector and potential radiation sources, utilizing its mass to block harmful radiation without requiring separate shielding materials, thereby resolving the contradiction between shielding performance and vehicle weight.
2Weight of moving object
If the radiation detection system is made more compact to reduce weight, then vehicle weight is reduced, but directional measurement capability deteriorates
Solution Approach 1:
The patent resolves this contradiction by making the power source serve dual purposes: providing electrical power and enabling directional radiation measurement through its positioning as a shielding element. The power source's location relative to the detector creates a defined detection direction without requiring additional compact shielding structures, maintaining measurement precision while minimizing weight.
3Measurement precision
If a directional shielding assembly is added to the radiation detector, then directional radiation detection capability is improved, but device complexity increases
Solution Approach 1:
The patent eliminates the need for a separate directional shielding assembly by using the power source itself as the shielding element. The power source's natural position in the system creates the directional detection capability, simplifying the overall device structure while maintaining precise directional radiation detection without adding mechanical complexity.
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
This approach enables efficient, lightweight, and portable directional radiation monitoring, increasing the feasibility of using small and medium-sized UAVs for radiation detection, reducing the need for additional shielding materials and maintaining flight time, while providing accurate directional radiation data.
Implementation Method 1
a radiation detector configured to detect incident radiation
Implementation Method 2
a directional shielding assembly configured to shield the radiation detector by preventing incident radiation from reaching the radiation detector
Data Source
AI summary
The present disclosure relates to a radiation detection vehicle with a directional radiation detection system. The radiation detection vehicle may include a body, a motor supported by the body and configured to propel the vehicle, at least a first power source connectable to the body and configured to provide power to the vehicle, and a directional radiation detection system supported by the body. The directional radiation detection system may include a radiation detector configured to detect incident radiation and a directional shielding assembly configured to partially shield the radiation detector by preventing a portion of the incident radiation originating from a first incident direction from reaching the radiation detector, the directional shielding assembly including the first power source.