Integrated Pipe Locating and Marking System for Underground Utilities
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Solution Overview
Problem
Current line locating methods for underground utilities are prone to human error, which can lead to incorrect marking and potential damage during construction, as they rely heavily on operator skill and training.
Innovation Solution
A mobile frame-based system equipped with multiple antennas and a processor that detects signals from underground lines, providing accurate above-ground path determination and automatic marking using a marking device, such as a paint dispenser, to reduce human intervention and enhance accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual line locating methods are used, then operator flexibility is maintained, but human error increases and measurement precision deteriorates
Solution Approach 1:
The patent combines multiple antennas, signal processors, and a marking device into an integrated mobile locating system. The antennas detect signals from underground utilities, the processor analyzes the signals to determine above-ground paths, and the marking device automatically marks the location, merging detection and marking functions into one system to eliminate human error in line locating
Solution Approach 2:
The patent replaces manual mechanical locating methods with an automated electronic system. Instead of operators manually tracking and marking utility lines, the system uses electromagnetic signal detection by antennas, electronic signal processing to calculate paths, and automated marking device control to record positions, substituting mechanical human operation with electronic automation
2Manufacturing precision
If automated marking is implemented, then marking precision is improved, but device complexity increases
Solution Approach 1:
The mobile locating system performs multiple functions: detecting underground utility signals via antennas, processing signals to determine above-ground paths, controlling the marking device to record positions, and providing visual/audio feedback. This multi-functional integration achieves precise automated marking while consolidating components into a single mobile platform
Solution Approach 2:
The system is self-contained and autonomous in its operation. The antennas automatically detect signals, the processor independently calculates paths, the marking device self-activates to mark positions, and the system provides its own feedback mechanisms, reducing the need for external control and minimizing operational complexity
3Reliability
If multiple antennas are used, then signal detection reliability is improved, but device complexity and weight increase
Solution Approach 1:
The system divides the signal detection function across multiple antennas positioned at different locations on the mobile frame. This segmentation allows the system to detect signals from multiple angles and positions, improving reliability by providing redundant detection paths while distributing the weight burden across the frame structure
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 significantly reduces the likelihood of human error in line locating by providing precise above-ground path marking, ensuring accurate identification and protection of underground utilities during construction.
Implementation Method 1
The at least two antennas are configured to detect a signal emanating from an underground line
Data Source
AI summary
A locating and marking device. The device has one or more antennas capable of detecting a signal emanating from an underground line. A marking device, such as a paint canister, is located on the frame of the device. This marking device leaves a physical or virtual mark at an above-ground path overlying the underground line. A processor receives signals from the antennas and directs the device to place the marking device above the above-ground path. The marking device may move back and forth on a frame of the device, or the device may steer to maintain the marking device in the proper position.