Sealed Radiation Detector with Reconfigurable Analyzer Functions
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Solution Overview
Problem
Existing radiation detection apparatuses face challenges in changing functionality without opening the sealed housing, which can be difficult due to sealing or access issues.
Innovation Solution
A radiation detection apparatus with a semiconductor-based photomultiplier and modular components allows for changing functionality by activating or deactivating functions without breaking the seal, using a control module with a FPGA or ASIC to enable features like radiation type discrimination and gain compensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing is sealed to protect internal components, then reliability is improved, but the ability to change functionality deteriorates
Solution Approach 1:
The patent implements dynamic functionality changes through software control rather than physical modifications. The control module can activate or deactivate different detection functions (gamma radiation detection, neutron detection, coincidence mode, anti-coincidence mode) through software instructions, allowing the sealed housing to adapt its functionality without physical opening or component replacement.
2Adaptability or versatility
If components are made replaceable to change functionality, then adaptability is improved, but the housing sealing difficulty increases
Solution Approach 1:
The patent makes the housing and internal components universal and multi-functional. The same physical components (scintillator, photomultiplier tube, housing) can perform multiple detection functions depending on software configuration. This eliminates the need for different physical components for different functions, thereby maintaining housing seal integrity while achieving functionality changes through software control of the control module.
3Ease of operation
If the housing is made accessible for component replacement, then ease of operation is improved, but protection of internal components deteriorates
Solution Approach 1:
The patent replaces mechanical component replacement with electronic/software-based functionality changes. Instead of physically accessing and replacing components to change detection modes, the system uses software instructions to reconfigure the control module, which then controls the photomultiplier tube and scintillator to perform different detection functions. This eliminates the need to open the housing while achieving functionality changes.
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
Enables flexible functionality changes without opening the housing, resulting in a more compact, rugged, and efficient radiation detection system.
Implementation Method 1
a scintillator that emits scintillation light in response to absorbing radiation
Implementation Method 2
a photosensor that receives the scintillation light and generates an analog signal in response
Data Source
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AI summary
A radiation detection apparatus can include a scintillator to emit scintillating light in response to absorbing radiation; a photosensor to generate an electronic pulse in response to receiving the scintillating light; an analyzer to determine a characteristic of the radiation; and a housing that contains the scintillator, the photosensor, and the analyzer, wherein the radiation detection apparatus to is configured to allow functionality be changed without removing the analyzer from the housing. The radiation detection apparatus can be more compact and more rugged as compared to radiation detection apparatuses that include a photomultiplier tube.