Optical Density Testing System with Multi-Path Light Splitting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional optical density testing devices can only measure one point at a time using a single light source and probe, are limited to a narrow wavelength range, and require manual diaphragm changes for different test points, making them inefficient and inaccurate.
Innovation Solution
The optical density testing system employs a light splitting device to create multiple light paths, allowing simultaneous measurement of multiple points, with detachable filter and diaphragm components for adjustable aperture sizes and wavelength filtering, and an external light source for larger objects, using optical fibers for stable light transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single light source and probe are used, then the device structure is simple, but only one point can be measured at a time, reducing measurement efficiency
Solution Approach 1:
The patent divides the single light source into multiple light sources, with each light source corresponding to a specific measurement point. This segmentation allows simultaneous measurement at multiple points, significantly improving measurement efficiency while maintaining manageable system complexity through modular architecture
Solution Approach 2:
The patent combines multiple light sources and probes into an integrated array structure where multiple measurement channels operate simultaneously. This merging approach enables parallel measurement at multiple points while sharing common control and processing resources, achieving high productivity without linearly increasing device complexity
2Ease of operation
If a single probe with fixed diaphragm is used, then the device structure is simple, but manual diaphragm replacement is required for different test point sizes, reducing ease of operation
Solution Approach 1:
The patent replaces fixed diaphragms with adjustable diaphragms that can dynamically change aperture size and shape. This dynamic adjustment capability allows the system to adapt to different test point sizes without manual diaphragm replacement, significantly improving ease of operation while the automated control minimizes the perceived complexity
Solution Approach 2:
The patent designs universal diaphragms that can be adjusted to serve multiple functions - accommodating different test point sizes, shapes, and measurement requirements. This multi-functionality eliminates the need for multiple specialized diaphragms, improving ease of operation while keeping the diaphragm system compact and manageable
3Measurement precision
If a single light source covering 300-800 nm range is used, then the light source selection is simple, but it cannot accurately simulate specific test light sources, reducing measurement precision
Solution Approach 1:
The patent assigns different wavelength characteristics to different light sources based on their specific measurement requirements. Each light source is optimized for its local function, allowing accurate simulation of specific test light sources for different measurement scenarios, thereby improving measurement precision while maintaining modular light source configuration
Solution Approach 2:
The patent enables dynamic adjustment of light source parameters including wavelength, intensity, and spectral distribution. This parameter flexibility allows the system to accurately simulate various test light sources (such as D65 illuminant) by changing the operational parameters of the light sources, achieving high measurement precision without requiring a completely different light source system
4Measurement precision
If multiple diaphragms with different aperture sizes are required, then measurement accuracy for different test points is improved, but manual replacement becomes troublesome, reducing productivity
Solution Approach 1:
The patent implements dynamically adjustable diaphragms that can change aperture size and shape on-demand during measurement. This eliminates the need to manually replace multiple fixed diaphragms, maintaining high measurement accuracy for different test points while significantly improving testing efficiency through automated, rapid aperture adjustment
Solution Approach 2:
The patent enables continuous measurement operation by allowing diaphragm aperture adjustment without interrupting the measurement process. The adjustable diaphragms can be modified on-the-fly to match different test point requirements, maintaining continuous useful action and eliminating downtime associated with manual diaphragm replacement, thereby improving productivity
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 system enables efficient, accurate, and flexible measurement of optical density across multiple points and varying sizes, improving testing efficiency and accuracy while accommodating different wavelengths and large objects without the need for multiple diaphragms.
Implementation Method 1
a light source 1, a first light splitting device 2 arranged on a light emission side of the light source 1
Implementation Method 2
a first filter device 5 detachably arranged at each of the first light-passing holes 4
Implementation Method 3
a light receiving device 7 cooperating with the first diaphragm 6
Implementation Method 4
using optical fibers for stable light transmission
Data Source
AI summary
An optical density testing system includes a light source, a first light splitting device used to divide the light into at least two light paths, at least two second light splitting devices used for receiving the at least two paths of light from the first light splitting device, first light-passing holes provided corresponding to each of the at least two second light splitting devices, a first filter device detachably arranged at each of the first light-passing holes, a first diaphragm detachably installed on each of the first filter devices, and a light receiving device. The second light splitting device is used to transmit the light onto a product to be tested through the first filter device and the first diaphragm. The light receiving device is used to receive transmitted light formed after the light passes through the product to be tested.