Atomic Absorption Furnace Camera Image Storage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In atomic absorption spectrophotometers using a tube-like furnace, determining the optimal analysis conditions for unknown samples is challenging, leading to potential sample bumping or injection failures, which are difficult to diagnose and require labor-intensive re-investigation.
Innovation Solution
Incorporating a camera to capture images of the furnace before measurement, with associated image data storage and a data organization unit to delete unnecessary image data after normal measurement verification, allowing for ex-post verification of sample injection and temperature rise processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all captured image data is stored for every measurement, then complete verification capability is achieved, but storage space is wasted on normal measurements
Solution Approach 1:
The system changes the storage parameter dynamically based on measurement quality. Normal measurements (with adequate signal strength above threshold) have their image data deleted to save space, while abnormal measurements (with signal strength below threshold) retain their image data for verification. This parameter-based differentiation resolves the contradiction between complete verification capability and storage space efficiency.
2Loss of information
If a camera is added to capture furnace images, then measurement verification is enabled, but device complexity increases
Solution Approach 1:
The camera acts as an intermediary device that captures visual information of the measurement process without interfering with the core atomic absorption measurement. The image data serves as supplementary verification information, allowing users to confirm proper sample injection and furnace conditions without adding complex control mechanisms to the measurement system itself.
Solution Approach 2:
Instead of modifying the measurement process or adding complex sensors inside the furnace, the system uses a camera to create a visual copy/image of the furnace interior and sample injection process. This optical copy provides verification capability with minimal intrusion into the measurement system, reducing overall complexity compared to direct sensing approaches.
3Volume of stationary object
If image data is automatically deleted for normal measurements, then storage space is secured, but verification of normal measurements becomes impossible
Solution Approach 1:
The system uses signal strength as feedback to determine whether to retain or delete image data. By continuously monitoring the signal strength during measurement and comparing it against a predetermined threshold, the system automatically makes informed decisions about data retention. This feedback mechanism ensures that only measurements meeting quality criteria have their images deleted, maintaining verification capability for problematic cases while managing storage efficiently.
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 efficient verification of sample injection and furnace state, reducing unnecessary data storage and labor, while securing storage space for other data by automatically determining normal measurement data based on signal strength thresholds.
Implementation Method 1
an atomization unit (4) provided with a tube-like furnace (6) and configured to atomize a sample injected into the furnace (6) by heating the sample
Implementation Method 2
the furnace (6) is heated according to a predetermined temperature program to atomize the sample
Implementation Method 3
measurement light from a light source composed of a hollow cathode lamp is irradiated in the furnace
Implementation Method 4
the transmitted light is detected by a detector
Implementation Method 5
an optical system configured to guide the light of the wavelength of the measurement target among the light from the furnace to the detector
Data Source
AI summary
The atomic absorption spectrophotometer is provided with an atomization unit, a light source, a detector, an optical system, a camera, and a captured image data storage unit. The atomization unit has a tube-like furnace and atomizes the sample injected into the furnace by heating the sample. The light source emits light of a wavelength of a measurement target toward the atomization unit so that the light passes through the furnace. The detector detects the light passed through the furnace. The camera captures an image of an inside of the furnace before performing a measurement process in which a sample is atomized in the furnace and its absorbance is measured. The captured image data storage unit stores the captured image data obtained by capturing the image by the camera in association with the measurement data corresponding to the captured image data.