Automated Pneumatic Station for Organic Sample Handling
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Solution Overview
Problem
Existing pneumatic transport systems for histological samples in anatomical pathology laboratories lack automation in loading and unloading operations, leading to inefficiencies and reduced productivity.
Innovation Solution
A pneumatic transport system featuring an automated station with a cylindrical carrier having a side door that can open for loading/unloading, and a servo-controlled electric motor to align and lock the carrier door with the station door, enabling fully automated and rapid sample handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual loading and unloading operations are used in existing pneumatic transport systems, then device complexity is reduced, but productivity and operation efficiency deteriorate
Solution Approach 1:
The system enables automated self-service operations where the carrier automatically docks with the station, doors open and close automatically, and samples are transferred without manual intervention. The electronic controller coordinates the entire sequence autonomously, from detecting carrier arrival to activating the door opening mechanism and initiating sample transfer.
Solution Approach 2:
Manual mechanical operations are replaced with an automated control system that uses electronic sensors to detect carrier position and triggers motorized door mechanisms. The electronic controller substitutes human operators by automatically coordinating the timing and sequence of door openings and sample transfer operations.
2Productivity
If automated loading and unloading operations are implemented, then productivity is improved, but operation time per cycle increases due to additional automation steps
Solution Approach 1:
The carrier is pre-positioned and automatically docked with the station before the actual loading/unloading operation begins. The electronic controller is pre-programmed with the sequence of operations, and sensors are positioned to detect carrier arrival in advance, allowing the system to prepare for automated door opening and sample transfer without delay.
Solution Approach 2:
The automated system maintains continuous operation by eliminating idle time between steps. As soon as the carrier arrives and docks, the electronic controller immediately initiates the door opening sequence, followed continuously by sample transfer operations, ensuring no interruption in the workflow and maximizing equipment utilization.
3Extent of automation
If a servo-controlled electric motor is added to align the carrier door with the station door, then automation and precision are improved, but device complexity increases
Solution Approach 1:
The system incorporates sensors that detect the position of the carrier relative to the station and provide feedback to the electronic controller. The controller processes this information and activates the servo-controlled electric motor to adjust the carrier door alignment, creating a closed-loop control system that automatically achieves precise door-to-door alignment.
Solution Approach 2:
The electronic controller serves as an intermediary between the sensor detection system and the motor actuation system. It receives signals from position sensors, processes the alignment requirements, and generates control signals for the servo motor, coordinating the entire door alignment process without direct mechanical linkages.
4Extent of automation
If the carrier door and station door are configured to engage and open simultaneously, then automation is improved, but reliability requirements increase
Solution Approach 1:
The carrier door and station door mechanisms are merged into a coordinated system where both doors are actuated simultaneously by the same electronic controller. This synchronized operation ensures that both doors open and close together, maintaining proper sealing and alignment throughout the operation, and eliminating timing mismatches that could compromise reliability.
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 system achieves complete automation of sample loading/unloading, significantly reducing operation time and enhancing laboratory productivity while being adaptable to various sample types and holders.
Implementation Method 1
a pneumatic transport tube, at least one carrier configured to be pneumatically transported in the pneumatic transport tube
Implementation Method 2
a servo-controlled electric motor, to impart a rotation to said carrier around its axis
Data Source
AI summary
A pneumatic transport system for organic samples includes a transport tube within which a carrier containing samples is transported. A station for loading/unloading the samples into/from the carrier is arranged at one tube end. When the carrier is arriving at the station, a blower of the system is deactivated and the carrier is braked, allowing stopping within the station against a stop member. Thereafter, a motor imparts, via the stop member, rotation to said carrier until a carrier door is at an angular position substantially corresponding to an angular position of a station door. Thereafter, the carrier is stopped and the doors are opened by an actuator, this enabling activation of an operating cycle of loading/unloading of the samples. Upon completion, the doors are closed, a carrier locking device is deactivated and the blower is activated, allowing departure of the carrier from the station and its transport within the tube.