Microscope Stage Adjusting Unit with Electromagnetic Clutch Switching
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Solution Overview
Problem
Standard microscopes face challenges in achieving precise and repeatable focusing, with manual adjustments being difficult and sensitive, while motorized systems are complex, costly, and lack direct user feedback.
Innovation Solution
A microscope with a dual-mode adjusting unit that combines manual and motorized operation using electromagnetic clutches, allowing for intuitive manual focusing and precise motorized adjustments, balancing speed and precision, and featuring a sensor unit for accurate position determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment is used, then direct user feedback and simplicity are achieved, but precision and repeatability are difficult
Solution Approach 1:
The adjusting unit is divided into a manual operating unit with first output shaft and an electric drive unit with second output shaft, allowing selective engagement of manual or motorized operation for different precision requirements
Solution Approach 2:
A coupling unit acts as an intermediary mechanism that can connect either the first output shaft or the second output shaft to the drive shaft, enabling seamless switching between manual and motorized modes while maintaining system integrity
2Measurement precision
If motorized adjustment is used, then precision and repeatability are improved, but device complexity and cost increase
Solution Approach 1:
The manual operating unit and electric drive unit are merged into a single adjusting unit that shares common components such as the drive shaft, rack and pinion mechanism, and coupling unit, reducing overall system complexity while maintaining both manual and motorized capabilities
Solution Approach 2:
The adjusting unit is designed with multi-functionality, allowing the same drive shaft and transmission mechanism to be operated by either manual input or electric motor, eliminating the need for separate manual and motorized systems
3Measurement precision
If motorized adjustment is used, then precision is improved, but direct user feedback is lost
Solution Approach 1:
The coupling unit can dynamically switch between connecting the manual operating unit and the electric drive unit to the drive shaft, allowing users to select manual mode when direct feedback is needed and motorized mode when precision automation is required
4Adaptability or versatility
If both manual and motorized operation are combined, then versatility is improved, but device complexity increases
Solution Approach 1:
The coupling unit is extracted as a separate control mechanism that manages the engagement between the manual operating unit, electric drive unit, and drive shaft, simplifying the overall control architecture by centralizing the switching logic in a dedicated component
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 quick and intuitive sample positioning in manual mode and accurate, repeatable focusing in motorized mode, with a simple structure, reduced errors, and cost-effectiveness, while protecting components from excessive torque.
Implementation Method 1
the first output shaft of the operating unit is coupled to the drive shaft of the adjusting unit via a first coupling unit so that when the operating unit is operated manually the adjusting unit is driven by the operating unit
Data Source
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AI summary
The invention relates to a microscope (10) having a movable stage (18) and an adjusting unit (24) for moving the stage (18). The adjusting unit (24) comprises a drive shaft (38) by the rotation of which the distance between the stage (18) and a base (22) of the microscope (10) is adjustable. Further, the microscope (10) has a manually operable operating unit (26) with a first output shaft (46) as well as an electric drive unit (28) for the motorized movement of the stage (18) with a second output shaft (52). In a manual operating mode, the drive shaft (38) is coupled to the first output shaft (46) via a first coupling unit (54), and in a motorized operating mode the drive shaft (38) is coupled to the second output shaft (52) via a second coupling unit (56).