Laser Analysis Cover Interlock for Optical Alignment Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional laser analysis devices with protective housings face issues of impact and displacement of the laser optical system due to opening and closing of doors, leading to analysis errors and safety concerns.
Innovation Solution
A laser analysis device with a flexible cover having slits and fasteners that can be fully closed to prevent stray laser light emission, incorporating an interlock mechanism to ensure safety and minimize impact on the optical system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a laser analysis device is used to measure particles in a liquid sample, then measurement capability is provided, but the device requires complex sample preparation including filtration and centrifugation which increases operational complexity and time
Solution Approach 1:
The invention extracts and removes the complex sample preparation steps (filtration and centrifugation) from the measurement process. By using a flow cell that directly accepts liquid samples and performs measurements in situ, the device eliminates the need for separate preparation procedures while maintaining measurement accuracy through its optical design and analysis algorithms.
2Productivity
If traditional sample preparation methods (filtration and centrifugation) are used, then particle separation is achieved, but the process time increases and operational complexity increases
Solution Approach 1:
The invention merges the sample preparation function and measurement function into a single integrated flow cell device. The flow cell combines sample injection, optical measurement, and data analysis in one unit, eliminating the need for separate filtration devices and centrifugation equipment, thereby reducing overall device complexity while improving measurement throughput.
3Measurement precision
If complex sample preparation procedures are implemented, then measurement accuracy may be improved, but the time required for analysis increases
Solution Approach 1:
The invention performs preliminary actions by pre-calibrating the flow cell with standard particles and storing calibration data. This preliminary calibration enables the device to directly measure unknown samples without requiring time-consuming preparation steps, achieving both measurement accuracy and rapid analysis by preparing the measurement system in advance.
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 device reduces analysis errors and ensures compliance with safety standards by preventing laser light exposure and minimizing optical system displacement, while allowing easy access and operation.
Implementation Method 1
a laser beam is caused to irradiate a sample
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A laser analysis device includes a laser analysis unit 1 that a sample W is irradiated with laser light, a cover 3 that covers a periphery of the laser analysis unit 1, so as to prevent the laser light from being emitted to outside, and has a slit S in at least a part of the cover, a fastener 4 configured to open and close the slit S, and an interlock mechanism 5 including a key 51 provided on the fastener 4 and a detector 52 that detects a state in which the fastener 4 is fully closed, in which in a state where the detector 52 has detected that the fastener 4 is fully closed, laser light having a predetermined intensity or more is introduced into the laser analysis unit 1.