Control Unit for Bottle Rotation Detection Using Merged Sensors
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Solution Overview
Problem
Existing bottle control units in the pharmaceutical industry face high costs due to the need for multiple motion sensors to ensure correct rotation of holding devices, as mechanical issues like dirt accumulation can lead to inefficient and potentially damaging bottle handling.
Innovation Solution
A control unit design that uses fewer, more cost-effective optical or inductive control devices to detect the rotation of countering elements, with these devices operating in parallel to check the correct rotation of multiple holding devices, reducing the overall number of sensors required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple motion sensors are installed in each holding device to detect countering element rotation, then the reliability of bottle control is improved, but the manufacturing cost and device complexity increase significantly
Solution Approach 1:
Multiple motion sensors that were previously distributed across individual holding devices are merged into a single motion sensor located in the feeding drum. This single sensor detects the rotation of all countering elements sequentially as they pass through the detection zone, achieving the same reliability function with reduced component count and lower manufacturing cost
Solution Approach 2:
The single motion sensor in the feeding drum serves a universal function by monitoring the rotation status of multiple countering elements across different holding devices. Instead of each sensor serving only one holding device, the single sensor universally monitors all countering elements in the system, reducing overall sensor requirements while maintaining comprehensive monitoring capability
2Measurement precision
If multiple motion sensors are installed in each holding device to detect countering element rotation, then the measurement of rotation correctness is improved, but the purchase cost and mounting cost increase
Solution Approach 1:
Multiple motion sensors are consolidated into a single sensor positioned in the feeding drum. The sensor detects rotation of countering elements as they pass through the detection zone, maintaining measurement precision while dramatically reducing the number of sensors that need to be purchased, stored, and installed
Solution Approach 2:
The feeding drum's rotational movement itself serves as the detection mechanism. As the drum rotates and brings different holding devices into position, the single motion sensor automatically samples each countering element's rotation status in sequence, utilizing the existing mechanical motion of the system for detection purposes without requiring additional active components at each holding device
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 significantly lowers manufacturing costs and effectively ensures correct rotation of holding devices across the entire control unit, enhancing operational efficiency and reducing the risk of mechanical damage to bottles.
Implementation Method 1
at least one optical control device which is arranged alongside the feeding drum and designed to carry out an optical control of a bottle carried by a holding device
Implementation Method 2
optical or inductive control devices to detect the rotation of countering elements
Data Source
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AI summary
Control unit (6) to control containers (1) having: a plurality of holding devices (9), each designed to house a container (1) and designed to rotate the container (1) on itself around a longitudinal rotation axis (Z2); a feeding conveyor (7), which moves the holding devices (9) along a control path (P); at least one control device (16); and an auxiliary conveyor (13), which moves the control device (16) back and forth parallel to the control path (P) and along a segment of the control path (P) so as to cause the first control device (16) to travel an operating stroke, in which the control device (16) moves in a synchronous manner with the feeding conveyor (7) from an initial position to a final position, and a following return stroke, in which the control device (16) moves in an opposite direction relative to the feeding conveyor (7) from the final position to the initial position. Each holding device (9) has a lower support (10), which is mounted in a rotary manner and on which a lower portion of a container (1) rests, and a countering element (11), which is mounted in a rotary manner and engages an upper portion of a container (1). The control device (16) carried by the auxiliary conveyor (13) is designed to detect the presence of rotation of a countering element (11) of a holding device (9) while the control device (16) moves in a synchronous manner with the feeding conveyor (7) during an operating stroke.