Bioprinter Z-Axis Calibration via Automated Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing bioprinters require manual measurement and input of spray head length and bio-ink adhesion surface height, leading to cumbersome operations with low accuracy and reliability.
Innovation Solution
A bioprinter equipped with a control device, signal receiving apparatus, height acquisition apparatus, and calibrating apparatus that automatically measures and calibrates the actual height values of the Z-axis movement assembly, spray device, and bio-ink adhesion surface, using detection devices like laser meters and inductive measuring heads to adjust preset values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual measurement and input methods are used for spray head length and bio-ink adhesion surface height, then the operation process is simple in structure, but the measurement accuracy and operational reliability are low
Solution Approach 1:
The patent replaces manual mechanical measurement operations with an automated detection system. A detection device automatically measures the spray head length and bio-ink adhesion surface height, substituting human manual measurement operations. This eliminates manual input errors and significantly improves measurement accuracy while the control device automatically processes the detected data, reducing operational complexity.
Solution Approach 2:
The system implements self-service calibration through automated detection and processing. The detection device automatically measures the parameters, the control device automatically calculates and adjusts the preset values, and the bioprinter automatically adapts to different spray heads and printing carriers without requiring manual intervention. This self-service mechanism improves both accuracy and reliability while maintaining operational simplicity.
2Reliability
If manual measurement and input methods are used for spray head length and bio-ink adhesion surface height, then the device structure remains simple, but the operational reliability and consistency are poor
Solution Approach 1:
The patent replaces manual measurement operations with automated detection equipment. The detection device automatically measures spray head length and adhesion surface height, eliminating human error and improving operational reliability. The control device automatically processes detected data and adjusts preset values, ensuring consistent and reliable operations across different printing tasks.
Solution Approach 2:
The system implements a feedback mechanism where the detection device continuously monitors and measures parameters, and the control device uses this feedback information to automatically adjust preset values. This closed-loop feedback system ensures high operational reliability by continuously adapting to actual conditions and eliminating the inconsistency associated with manual measurement and input methods.
3Measurement precision
If automated detection devices are introduced to measure spray head length and adhesion surface height, then measurement accuracy and operational reliability improve, but the device complexity increases
Solution Approach 1:
The patent introduces automated detection devices that use optical or electromagnetic fields to measure spray head length and adhesion surface height non-contactly. This substitution of mechanical measurement with field-based detection improves measurement accuracy while minimizing additional mechanical complexity. The detection devices integrate seamlessly with the existing bioprinter structure through electronic connections to the control device.
Solution Approach 2:
The control device performs multiple functions: it receives detection data, calculates actual values, adjusts preset values, and controls the bioprinter operation. By consolidating these functions into a single multi-functional control device, the system achieves high measurement accuracy and operational reliability without proportionally increasing overall system complexity. The universal control device manages all automated processes centrally.
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 solution simplifies operations, improves measurement accuracy, ensures consistent results, and enhances operational reliability by eliminating the need for manual input, allowing for precise calibration of spray head and bio-ink adhesion surface heights.
Implementation Method 1
inductive measuring head
Implementation Method 2
laser meter
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to the bioprinting technical field, and in particular relates to a bioprinter and a calibration method thereof. The bioprinter provided by the present invention comprises a control device, a first detection device, and a second detection device, wherein the first detection device is capable of sending a first signal to the control device when the spray device moves to a first position along the Z-axis direction such that the control device calibrates the preset length value of the spray device, and the second detection device is capable of sending a second signal to the control device when the second detection device moves to a second position along the Z-axis direction such that the control device calibrates the preset height value of the printing material initial adhesion surface. The present invention can automatically calibrate the preset length value of the spray device and the preset height value of the printing material initial adhesion surface, which can not only simplify the operation and reduce the labor intensity of the operator, but also effectively improve the measurement accuracy, ensure consistent accuracy between multiple measurements, and improve the operational reliability.