Peripheral Eccentric Mixing Mechanism for Microscope Slides
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Solution Overview
Problem
Existing laboratory devices lack a simple and precise method for mixing media in microscope slides, particularly in a controlled and efficient manner.
Innovation Solution
A laboratory device with a carrier body and a mixing drive mechanism featuring two eccentrics on its peripheral edge, driven by a drive device, which imparts a cyclical and planar rotary movement to a base component to mix the medium, accompanied by a cooling system and interaction devices in the central cavity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the mixing drive mechanism uses eccentrics arranged on the peripheral edge outside the central region, then the mixing precision is improved and the central region is freed for additional functions, but the device complexity increases due to the pendulum support and counter-rotating plate mechanism
Solution Approach 1:
The patent moves the mixing drive mechanism from the central region to the peripheral edge of the carrier body, utilizing the peripheral dimension. This dimensional relocation allows the central region to be freed for additional functions while maintaining mixing precision through the eccentric mechanism's orbital motion capability.
Solution Approach 2:
The patent employs eccentrics with asymmetric mass distribution relative to the rotation axis, creating orbital motion when rotated. This asymmetric design is fundamental to generating the mixing motion while allowing the mechanism to be positioned at the periphery rather than the center.
2Reliability
If the pendulum support is movably mounted with counter-rotating plates, then the wear and energy loss are reduced, but the device complexity increases
Solution Approach 1:
The patent introduces counter-rotating plates that rotate in the opposite direction to the eccentrics. These counter-weights compensate for the unbalanced forces generated by the eccentrics, reducing vibrations and mechanical stress on the pendulum support, thereby extending component life and reducing energy loss.
Solution Approach 2:
The pendulum support is designed to move dynamically between fixed positions rather than being rigidly fixed. This movable mounting allows the base component to follow the orbital motion of the eccentrics while accommodating variations in motion dynamics, reducing wear through adaptive positioning.
3Adaptability or versatility
If the eccentrics are arranged on the peripheral edge, then the central cavity is freed for cooling systems and interaction devices, but the transmission of drive force requires longer transmission paths
Solution Approach 1:
The patent relocates the drive mechanism from the central dimension to the peripheral dimension of the carrier body. This spatial reconfiguration creates a central cavity that can accommodate cooling systems and interaction devices while the peripheral eccentrics maintain effective mixing through their orbital motion.
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 achieves high-precision mixing with reduced wear and energy loss, enhanced cooling efficiency, and flexibility for additional functional interactions, such as temperature control and optical characterization, while maintaining a stable and durable operation.
Implementation Method 1
at least one pendulum support movably mounted between the support body and the base component
Implementation Method 2
At least one first counter-rotating plate is arranged on the support body in contact with a bottom surface of the at least one pendulum support and/or at least one second counter-rotating plate is arranged on the base component in contact with a top surface of the at least one pendulum support
Data Source
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AI summary
The invention relates to a laboratory apparatus (100) for mixing a medium in a slide (102), the laboratory apparatus (100) comprising: a carrier body (138); a base component (104) for receiving the slide (102), said base component being located on the carrier body (138) and being movable relative to the carrier body (138) for mixing purposes; and a mixing drive mechanism (140) which is located on the carrier body (138) and has a drive device (150), a first eccentric (152), and a second eccentric (154), which eccentrics can be driven by means of the drive device (150) and are designed to transmit a driving force generated by the drive device (150) to the base component (104) in order to mix the medium in the slide (102), the first eccentric (152) and the second eccentric (154) being located at a peripheral edge (156) of the carrier body (138) and outside a central region (158) of the carrier body (138).