Dynamic Egg Conveyor Speed Control via Density Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Egg conveyor belts face challenges in managing irregular egg production and sensitive egg structures, leading to potential damage and congestion issues, which disrupt efficient processing at stations.
Innovation Solution
A control device with an image acquisition unit and evaluation unit to determine stocking density and conveying rate, allowing for dynamic speed adjustment of the conveyor belt to prevent congestion and minimize egg damage, using input variables to anticipate and manage jam situations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the conveyor belt speed is increased to improve productivity, then the conveying rate increases, but the risk of egg damage increases due to higher conveying forces
Solution Approach 1:
The conveyor belt speed is made dynamically adjustable rather than fixed. The control device continuously monitors egg stocking density and conveysance rate, and adjusts the belt speed in real-time to optimize the balance between productivity and egg safety. This dynamic adaptation allows the system to operate at higher speeds when egg density is low (reducing damage risk) and slower when density is high (preventing congestion-related damage).
Solution Approach 2:
A feedback control loop is implemented where the control device receives continuous input from sensors monitoring egg stocking density and conveysance rate. Based on this feedback, the control device automatically adjusts the conveyor belt speed to maintain optimal operating conditions. This closed-loop control ensures that productivity is maximized while keeping egg damage risks within acceptable limits.
2Object-affected harmful factors
If the conveyor belt speed is reduced to minimize egg damage, then egg safety improves, but the conveying rate and productivity decrease
Solution Approach 1:
The system employs dynamic speed adjustment rather than operating at a constantly reduced speed. The conveyor belt speed is adapted in real-time based on actual egg stocking density and conveysance rate conditions. This allows the system to achieve high productivity during periods of low egg density while providing protective低速 operation during high-density periods, thus resolving the contradiction between safety and productivity.
Solution Approach 2:
The operational parameters of the conveyor belt (speed) are changed dynamically based on monitored conditions. The control device adjusts the speed parameter according to the actual stocking density and conveysance rate, allowing the system to optimize the balance between egg safety and productivity by varying the speed parameter rather than maintaining a fixed conservative speed.
3Productivity
If eggs are allowed to accumulate on the conveyor belt to maintain continuous flow, then processing station efficiency improves, but congestion occurs leading to egg damage
Solution Approach 1:
The control device uses feedback from stocking density sensors to prevent harmful accumulation. When the sensor detects that egg density is approaching levels that could cause congestion, the control device automatically reduces the conveyor belt speed or pauses feeding eggs, thereby preventing damage-causing accumulation while still maintaining continuous flow operation.
Solution Approach 2:
The system takes preliminary action by monitoring stocking density in advance and adjusting conveyor operation before dangerous congestion levels are reached. The control device proactively modifies conveying parameters based on predicted accumulation trends, preventing egg damage before it occurs rather than reacting after congestion has already caused harm.
4Object-affected harmful factors
If the conveyor belt operates at variable speeds to prevent damage, then egg safety improves, but operational smoothness decreases
Solution Approach 1:
The feedback control system continuously monitors actual egg stocking density and conveysance rate, making speed adjustments based on real conditions rather than predetermined schedules. This responsive approach minimizes unnecessary speed variations, maintaining operational smoothness while still providing variable speed control when actually needed for egg safety.
Solution Approach 2:
The system changes operational parameters (speed) only when and where actually needed based on monitored conditions, rather than applying continuous variable speed control. This selective parameter adjustment maintains operational smoothness during normal conditions while enabling protective variable speed operation when egg safety requires it.
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
The device has a conveying belt drive mechanically coupled to a conveying belt and driving an egg conveying belt in two different velocities. An image capturing unit receives predesignated image detail of the conveying belt. An evaluation unit is signally coupled with the image capturing unit, and includes a counting unit counting all eggs collected in one image acquisition of the image capturing unit in an image section of the conveying belt as trimming density. A control unit is coupled with the evaluation unit and the drive, and controls velocity of the drive based on the trimming density.