Radiation Detector Probe with Self-Regulating Heat Source
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Solution Overview
Problem
Existing density profilers and level gauges are sensitive to extreme temperatures and may fail or not function properly in cold environments, limiting their operational effectiveness in low-temperature conditions.
Innovation Solution
A detector probe with at least 10 radiation detectors, preferably Geiger Müller tubes, arranged in a linear array and supported by an elongate structure with a self-regulating heat source and thermal insulation, designed to maintain a stable temperature range and operate intrinsically safely in potentially explosive atmospheres, ensuring robustness and precision in level and density measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electronic instruments are used in cold environments, then the instrument can perform measurements, but the electrical components may fail or not be certified for operation at extremely low temperatures
Solution Approach 1:
The instrument is divided into separate functional modules (detector array, signal processing electronics, power supply, housing) that can be independently tested and certified for extreme temperature operation. This segmentation allows each component to be optimized for cold environment reliability
Solution Approach 2:
The instrument incorporates self-diagnostic capabilities and built-in temperature monitoring that automatically detect and report component failures or performance degradation in cold environments, enabling the system to service itself and maintain reliability
2Reliability
If the detector probe is designed for robustness and wide temperature range operation, then reliability improves, but device complexity increases due to additional heating and insulation components
Solution Approach 1:
The heating elements are integrated directly into the detector probe housing structure, combining the thermal management function with the mechanical structure. This merging reduces the number of separate components and simplifies the overall device while maintaining temperature stability
Solution Approach 2:
The insulating material serves multiple functions: it provides thermal insulation to maintain detector temperature, acts as mechanical support for mounting components, and provides electrical insulation. This multi-functionality reduces the need for separate dedicated components
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 detector probe enables precise level and density measurements in low-temperature environments while ensuring operational safety and reliability, maintaining detector performance and mechanical resilience across a wide temperature range.
Implementation Method 1
The detector probe comprises at least 10 radiation detectors, preferably arranged in the form of at least one linear array. The detector probe comprises an elongate support and at least 10 radiation detectors mounted on the support or mounted on an object, such as a circuit board, which is supported by or mounted on the support.
Implementation Method 2
designed to maintain a stable temperature range and operate intrinsically safely in potentially explosive atmospheres, ensuring robustness and precision in level and density measurements
Data Source
Figure 1~3
Figure 4~4A
AI summary
A detector probe for detecting ionising radiation comprising at least one detector mounted on a support, and an electrically operated source of heat arranged on the support in proximity to the detector so that the temperature of the detector may be changed by operation of the heat source. The detector probe may be used in the manufacture of a level gauge or density profiler.