Specimen Carrier Direction Control to Prevent Container Shake
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Solution Overview
Problem
Existing specimen transport systems face challenges in preventing shake of specimen containers during two-dimensional transport, particularly when handling containers of varying diameters, which can affect analysis results and require complex path control mechanisms.
Innovation Solution
The specimen transport device employs a specimen carrier with gripping portions that adjust the traveling direction using high friction members, shifted friction centers, or altered magnetic and gravitational centers to align the carrier direction opposite to the travel direction, ensuring stable transport without path limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If electromagnetic attraction and repulsion is used to transport specimen carriers in two-dimensional direction, then transport flexibility and speed are improved, but specimen shake cannot be effectively prevented due to difficulty in finely controlling transport force
Solution Approach 1:
The patent changes the physical state of the transport surface from smooth to rough, increasing the friction coefficient. This parameter change allows the friction force to counterbalance electromagnetic forces and inertia during acceleration and deceleration, preventing specimen shake while maintaining two-dimensional transport capability
Solution Approach 2:
The transport surface is segmented into multiple regions with different roughness levels. The rough portion is strategically positioned to provide friction-based directional correction only when needed, while other areas maintain smooth surfaces for efficient electromagnetic transport
2Manufacturing precision
If side surface access method is used to correct specimen carrier direction, then directional control is achieved, but transport path is limited and transport time increases
Solution Approach 1:
Instead of correcting direction from the side surface (horizontal dimension), the patent uses friction from the bottom surface of the carrier (vertical dimension) to generate directional correction forces. This dimensional shift allows simultaneous two-dimensional transport and directional control without path limitations
Solution Approach 2:
The patent replaces the mechanical side-access correction mechanism with a friction-based correction system. The rough transport surface creates friction forces that automatically correct carrier direction during electromagnetic transport, eliminating the need for separate mechanical correction devices
3Productivity
If smooth transport surface is used for electromagnetic transport, then transport efficiency is high, but directional control during acceleration and deceleration cannot be achieved
Solution Approach 1:
The transport surface has non-uniform local quality: most areas are smooth for efficient electromagnetic transport, while a specific local region has increased roughness to provide friction-based directional control. This localized friction surface is positioned to engage with the carrier bottom during direction correction
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
This configuration effectively prevents specimen shake during transport, enhances system throughput, reduces costs, and simplifies direction control without requiring complex mechanisms or extended transport times.
Implementation Method 1
a plurality of electromagnets fixed and arranged below a transport surface generates a magnetic field to cause magnets in specimen carriers to attract and repel
Implementation Method 2
a plurality of electromagnets fixed and arranged below a transport surface generates a magnetic field
Implementation Method 3
a plurality of high friction members 102 having a friction coefficient with respect to a transport surface 201 higher than that of a material constituting the specimen carrier 100
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
Provided are a specimen transport device and a specimen transport carrier capable of preventing shake of a specimen as compared with related art without limiting a transport path in electromagnetic transport. A specimen carrier 100 includes two or more gripping portions 101 configured to support specimen containers 150 having different diameters from different directions, and a transport surface 201 on which the specimen carrier 100 is to slide. The specimen carrier 100 includes a direction adjustment unit configured to adjust a traveling direction of the specimen carrier 100 when the specimen carrier 100 slides on a surface of the transport surface 201, such that a direction of a force with which one of the two or more gripping portions 101 grips the specimen container 150 is opposite to the traveling direction of the specimen carrier 100.