Microscope Micro Distance Adjustment for 3D Sample Focusing
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Solution Overview
Problem
Conventional portable minimized microscope devices struggle with adjusting the distance between the objective lens and the sample when observing three-dimensional samples with varying thicknesses or positions, necessitating repositioning or repreparation of the sample for optimal observation, which is inconvenient and time-consuming.
Innovation Solution
A micro distance adjusting mechanism with a first and second element, connected by a connection member, allows for relative rotation and movement within a defined range (0.1 mm to 3.5 mm) to adjust the distance between the objective lens and the sample, enabling quick and convenient observation of three-dimensional samples.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the distance between the objective lens and the sample is fixed, then the structure is simple and compact, but the device cannot observe three-dimensional samples at different sections or optimal positions
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed distance structure into a movable one. The objective lens unit is made movable relative to the sample carrier through a moving platform that can adjust its position along the optical axis. This allows the distance between the objective lens and the sample to be dynamically changed, enabling observation of three-dimensional samples at different sections while maintaining a relatively simple overall structure.
2Ease of operation
If the operator repositions or reprepares the sample to observe different sections, then the observation position can be optimized, but the operation becomes time-consuming and inconvenient
Solution Approach 1:
The patent replaces the mechanical operation of manually repositioning the sample with an automated adjustment mechanism. Instead of moving the sample physically, the system adjusts the position of the objective lens unit through a moving platform that can be controlled to move along the optical axis. This substitution eliminates the need for manual sample repositioning, making the operation more convenient and time-efficient.
3Adaptability or versatility
If the focal length of the objective lens is fixed, then the lens structure is simple, but the device cannot adjust focus for samples at different distances
Solution Approach 1:
The patent applies dynamics by making the objective lens unit movable rather than changing the lens itself. The moving platform enables the objective lens unit to adjust its position dynamically, allowing focus adjustment for samples at different distances while keeping the lens structure simple and maintaining a fixed focal length.
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 rapid and precise adjustment of the focal distance for optimal observation, allowing easy viewing of different sections of three-dimensional samples without the need for repositioning or repreparation.
Implementation Method 1
The first screw-connecting portion is rotatably connected to the second screw-connecting portion, and the first body and the second body are relative movable with a relative rotation range during the micro distance adjustment
Data Source
AI summary
A micro distance adjusting mechanism includes a first element having a first body and a first screw-connecting portion, a second element having a second body and a second screw-connecting portion, and a connection member. The first body has a first through hole on an optical route, and the second body has a second through hole on the optical route. The objective lens unit is telescoped in the first and second through holes. The first screw-connecting portion is rotatably connected to the second screw-connecting portion, and the first and second bodies make a relative rotation range during the micro distance adjustment. The connection member is connected to the first body or the second body to limit the relative rotation range within 360 degrees and the range of the micro distance adjustment to 0.1 mm˜3.5 mm.