Movable Printing System for Construction Site Alignment
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Solution Overview
Problem
In construction and civil engineering, manual measurement and painting of site dimensions lead to inaccuracies and repetitive errors due to reliance on operator craftsmanship, especially when indicating specific content on work sites.
Innovation Solution
An unlimited movable printing system comprising an input unit, storage unit, printing unit, driving unit, sensing unit, location signal generation unit, and control unit, which allows for accurate and repeated printing of original drawings by sensing recognition units at the work site and adjusting its location to match the data, ensuring precise alignment and placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual measurement and painting methods are used, then operator flexibility is maintained, but measurement accuracy and consistency deteriorate
Solution Approach 1:
The patent replaces manual mechanical measurement and painting operations with an automated printing system that uses sensors to detect work site features, processes location data through a control unit, and executes precise printing operations. This substitution eliminates human error in measurement while maintaining operational flexibility through programmable control.
Solution Approach 2:
The system performs self-measurement and self-positioning by using its own sensing units to detect recognition units at the work site, calculate its current location, and automatically adjust its position without requiring external measurement tools or manual intervention. This self-service capability ensures consistent accuracy while reducing system complexity from an operational perspective.
2Manufacturing precision
If automated printing system is implemented, then printing accuracy is improved, but system complexity increases
Solution Approach 1:
The automated printing system is divided into distinct functional modules: sensing units for detection, location signal generation units for data processing, control units for decision-making, and printing units for execution. This segmentation allows each component to be optimized independently while maintaining overall system accuracy, and simplifies maintenance and operation.
Solution Approach 2:
The system continuously monitors its own location by sensing recognition units at the work site, compares current position with target position, and automatically adjusts its location accordingly. This closed-loop feedback mechanism ensures high printing accuracy while the automation of the feedback process prevents further increases in operational complexity.
3Productivity
If manual painting is used, then equipment simplicity is maintained, but repeatability and consistency of content deteriorate
Solution Approach 1:
The system uses digital copies of the original drawings stored in its memory unit as a reference for printing operations. By repeatedly accessing and following this digital template, the system ensures consistent reproduction of content across multiple operations. The copying principle allows the same design to be accurately reproduced without requiring manual redrawing, thereby ensuring repeatability.
4Reliability
If operator-dependent manual painting is used, then equipment cost is reduced, but accuracy and quality control deteriorate
Solution Approach 1:
The system transforms the quality control parameter from being operator-dependent to being data-dependent. By converting manual painting parameters into digital printing parameters that can be precisely controlled and monitored, the system achieves consistent quality outcomes. The control unit manages all critical parameters (position, orientation, printing speed, ink flow) to ensure reliable quality without requiring skilled operators.
Data Source
AI summary
An unlimited movable printing system that allows an operator to accurately and repeatedly print original drawings on a work side and a printing method thereof.