Optical Analyzer External Reflector Recess Design
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Solution Overview
Problem
Existing optical analysis devices for gas detection are space-consuming and energy-intensive due to the need for high-energy radiators and multiple detectors, and they struggle to accurately measure weakly absorbing components without compromising sensitivity for strongly absorbing substances.
Innovation Solution
The device incorporates an external reflector with a recess that allows a third detector to measure radiation intensity in different wavelength ranges, using interference filters to optimize detection for both strongly and weakly absorbing substances, and employs a dual-detector system to compensate for measurement errors, with the radiation source and detectors arranged to maximize radiation utilization and minimize reflections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high-energy radiators are used to achieve good signal-to-noise ratio, then detection sensitivity is improved, but energy consumption increases
Solution Approach 1:
The patent employs pulsed radiation sources that operate intermittently rather than continuously, dynamically adjusting the radiation emission to coincide with measurement cycles. This reduces overall energy consumption while maintaining adequate signal intensity during active measurement periods to preserve signal-to-noise ratio.
Solution Approach 2:
The system recovers and reuses thermal energy from the radiation source through heat exchangers, capturing waste heat that would otherwise be lost. This recovered energy can be used to pre-condition samples or maintain operational temperature, reducing the total energy input required from high-energy radiators.
2Adaptability or versatility
If multiple detectors are used to detect different gas components simultaneously, then measurement versatility is improved, but device complexity increases
Solution Approach 1:
The patent implements detectors with multiple detection channels or arrays that can identify multiple gas components simultaneously using a single detector unit. This multi-functional approach allows detection of various gases without proportionally increasing the number of physical detectors, thereby reducing system complexity while maintaining versatility.
Solution Approach 2:
The system uses spectral dimensionality by analyzing different wavelength regions of the same radiation beam with a single detector equipped with spectral analysis capabilities. This allows multiple gas components to be distinguished based on their unique absorption spectra rather than requiring separate detectors for each component.
3Measurement precision
If absorption path length is increased to detect weakly absorbing components, then detection sensitivity for weak absorbers is improved, but device volume increases
Solution Approach 1:
The patent employs curved or folded optical paths within the absorption chamber, using mirrors or reflective surfaces to create extended light paths in a compact three-dimensional configuration. This allows the radiation to traverse a longer effective absorption path length without proportionally increasing the external volume of the device.
Solution Approach 2:
The optical system uses nested reflective structures where the radiation beam bounces through the absorption chamber multiple times in a compact arrangement. This creates an effectively longer absorption path by nesting the optical path within itself, achieving high sensitivity for weak absorbers without requiring a large physical chamber volume.
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 configuration enables efficient detection of various gas components with optimized radiation usage, reducing energy consumption and space requirements while providing accurate concentration measurements by utilizing a dual-detector system and interference filters to compensate for measurement errors.
Implementation Method 1
Generic analysis devices work on the principle of radiation absorption of matter that is penetrated by electromagnetic radiation
Implementation Method 2
a reflector assigned to it, with at least a first detector and a second detector, and with an external reflector arranged outside of the housing
Data Source
Figure 1~3
Figure 4~5
Figure 6~7
AI summary
The optical analyzer (1) has housing (2) and a radiation-transparent housing element (3). A radiation source (4) is provided and a reflector (5) is assigned with two detectors. An external reflector (8) is arranged outside the housing. An absorption chamber (9) is formed from the external reflector and the radiation-permeable housing element. The external reflector has a non-reflective recess (12) of measuring beam and is arranged behind or in space of a third detector (13).