Transmissive Sampling Module Adapter for Spectrometer Alignment
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Solution Overview
Problem
In transmissive spectrometers, test objects placed in sample tanks with inconsistent shapes deviate from the optical axis due to inadequate accommodation, leading to measurement errors and instability.
Innovation Solution
A transmissive sampling module with a bearing base, adapter element, and sample accommodating device that stabilizes the test object's position by forming a second accommodating tank body, ensuring the sample beam remains aligned with the optical axis, reducing measurement errors and increasing accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a sample tank with inconsistent shape is used, then the sample tank can be easily manufactured, but the test object deviates from the optical axis causing measurement errors
Solution Approach 1:
An adapter element is introduced as an intermediary component between the sample tank and the bearing base. The adapter element includes a first accommodating tank body that fits the sample tank and a second accommodating tank body that interfaces with the bearing base, ensuring proper alignment and preventing deviation of the test object from the optical axis while maintaining ease of manufacture.
Solution Approach 2:
The accommodation structure is segmented into multiple parts: the sample tank, the adapter element with its two accommodating tank bodies, and the bearing base. This segmentation allows each component to be manufactured independently with standard shapes while achieving precise overall alignment through the adapter element's intermediary role.
2Ease of operation
If the sample tank is not effectively limited, then the sample tank can be freely positioned, but the test object becomes inclined or displaced during sampling
Solution Approach 1:
The adapter element serves as a mediator that provides effective positioning and limiting for the sample tank. It includes positioning structures such as a positioning groove on the bearing base and corresponding positioning protrusions on the adapter element, ensuring the sample tank remains stable and aligned during sampling operations.
Solution Approach 2:
The adapter element is pre-assembled with the bearing base before the sample tank is installed. This preliminary assembly establishes the correct positioning and alignment structures in advance, ensuring that when the sample tank is placed in the adapter element, it automatically achieves proper orientation and stability without requiring further adjustment.
3Device complexity
If the distance between the sample beam and test object is large, then the sampling process is simpler, but measurement accuracy is reduced
Solution Approach 1:
The adapter element introduces a new dimensional arrangement by creating a second accommodating tank body that positions the sample tank closer to the bearing base. This dimensional reorganization reduces the distance between the sample beam and test object while maintaining sampling simplicity through the standardized adapter element interface.
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 solution provides a stable sample beam, enhancing measurement reproducibility and accuracy by effectively limiting the sample's position and reducing the distance of the sample beam to the test object, thus improving measurement precision.
Implementation Method 1
the test object absorbs a part of wavelength band of the illumination beam to correspondingly generate a sample beam
Data Source
AI summary
A transmissive sampling module used to fix a test object to allow a spectrometer body to obtain optical information of the test object and includes a bearing base, a light emitting element, an adapter element and a sample accommodating device. The bearing base includes a first accommodating tank body. The light emitting element is disposed in the bearing base and used to emit an illumination beam. The adapter element is disposed in the first accommodating tank body and further includes a body portion and an abutting rib extending from the body portion. The body portion and the abutting rib jointly form a second accommodating tank body. The sample accommodating device at least partially surface-contacts with a second tank surface through a second light exit. A spectrometer having the transmissive sampling module is provided.