Conveyor Belt Calibration Device Using Encoder Sensors
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Solution Overview
Problem
Conveyor belt systems often become uncalibrated due to wear, tear, or stretching, leading to costly and time-consuming manual calibration procedures that require multiple individuals and are prone to human error.
Innovation Solution
A self-contained, remote-controlled conveyor belt calibration device equipped with a wheel-mounted encoder sensor and an IR sensor, allowing for single-person calibration in minimal time by measuring conveyor belt length and detecting start/stop positions, with data transmitted to a remote controller for display and system input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual calibration using tape-measure/ruler procedure is used, then calibration can be performed, but it requires three individuals and takes about twenty minutes
Solution Approach 1:
The patent replaces the manual mechanical measurement system (tape-measure/ruler) with an automated optical/electronic measurement system. The calibration device uses sensors, encoders, and digital measurement technologies to automatically measure conveyor belt parameters, eliminating the need for manual mechanical measurement and significantly reducing calibration time from 20 minutes to a few minutes while maintaining or improving accuracy.
Solution Approach 2:
The calibration device is designed to perform self-calibration of the conveyor belt system without requiring multiple operators. The device autonomously measures belt parameters, processes data, and provides calibration results, transforming a multi-person manual process into a single-operator automated process that serves itself.
2Measurement precision
If manual calibration using tape-measure/ruler procedure is used, then calibration can be performed, but it requires three individuals
Solution Approach 1:
The patent replaces the complex human-operated mechanical measurement system with a simplified automated electronic measurement system. The device incorporates sensors, microprocessors, and digital displays that automatically perform measurements and calculations, reducing the manpower requirement from three individuals to one operator while maintaining measurement precision through electronic rather than manual methods.
Solution Approach 2:
The calibration device creates a digital copy or representation of the physical measurement process. Instead of three people physically measuring with tape measures, the device uses electronic sensors to capture and digitize belt parameters, processing the information computationally to achieve the same calibration objective with reduced human involvement.
3Productivity
If manual calibration is performed, then calibration can be completed, but human error may occur due to improper training or interpretation
Solution Approach 1:
The patent replaces human judgment and interpretation in the calibration process with automated electronic measurement and digital processing. Sensors and microprocessors objectively measure belt parameters without subjective interpretation, eliminating errors caused by improper training or varying human interpretation while maintaining high calibration efficiency through automated operation.
Solution Approach 2:
The calibration device incorporates feedback mechanisms where sensors continuously monitor belt parameters and the system automatically adjusts based on measured data. This closed-loop feedback ensures consistent, repeatable calibration results without relying on human interpretation, improving both reliability and efficiency by eliminating variability in human performance.
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 device enables rapid and accurate conveyor belt calibration by a single individual, reducing calibration time from 20 minutes to about 3 minutes, minimizing human error, and providing predictive maintenance insights based on belt wear and stretch.
Implementation Method 1
a calibration wheel having an encoder sensor for measuring calibration wheel rotation
Implementation Method 2
An IR sensor is placed on the bottom surface, adjacent an edge of the housing along the first end, for use in detecting a beginning and end position on the conveyor
Data Source
AI summary
A device for calibrating a conveyor belt and measuring full belt length for predictive failure/maintenance of the belt. The device comprises a housing with a remote controller assembly. The remote controller is secured to the housing for storage and shipping. When the remote controller is detached, a sensor encoder assembly using wheels is deployed for use in the calibrate procedure. The housing is set adjacent a conveyor belt using a support having a polyaxial coupling wherein wheel encoder sensors are set onto the conveyor belt that is to be measured. Jogging the conveyor belt at set intervals, the encoder sensor assembly self-aligns while measuring the distance traversed and calculates the appropriate length correcting or speed that can be inputted to a conveyor belt control system. An attached reflective marking can be used in combination with an IR sensor to measure sizes to enhance the ability to predict failure/maintenance.