Conveyor Control Unit Self-Configuration for Sensor and Drive Mapping

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Solution Overview

Problem

Conveyor device installation is time-consuming and inflexible due to the need for manual assignment of sensors and conveyor drives, and the handling of different sensor types, which restricts adaptability and increases downtimes.

Innovation Solution

A control unit that automatically configures itself by activating a configuration mode, using a processor unit to identify and connect conveyor drives and sensors through signal analysis, allowing for self-configuration and error detection, thereby simplifying the installation process and enhancing flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual assignment of sensors and conveyor drives is performed, then installation precision is improved, but installation time and complexity increase

Engineering Contradiction:
Improveinstallation precisionVSAvoidinstallation time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The control unit automatically detects and identifies sensors and conveyor drives by querying them during installation. The system performs self-configuration by receiving query signals from the processor unit, determining component types based on signal responses, and storing assignment information without requiring manual programming or configuration by installers.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If manual configuration and programming is required, then component identification accuracy is improved, but device complexity increases

Engineering Contradiction:
Improvecomponent identification accuracyVSAvoidconfiguration complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual mechanical configuration processes with an automated electronic detection system. The processor unit sends query signals to connection sockets, and the system automatically determines component types (sensors, conveyor drives) and their assignments through signal analysis, eliminating the need for manual programming and reducing configuration complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Measurement precision

If different sensor types are handled manually, then sensor detection accuracy is improved, but adaptability decreases

Engineering Contradiction:
Improvesensor detection accuracyVSAvoidsystem flexibility
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The control unit is designed with universal detection capabilities that can automatically identify and adapt to different sensor types (e.g., light barriers, proximity switches, optical scanners). The processor unit queries connection sockets and determines component types based on signal responses, allowing the system to work with various sensor types without requiring manual configuration or reducing detection accuracy.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Ease of operation

If automatic component recognition is implemented, then installation ease is improved, but reliability may worsen due to potential detection errors

Engineering Contradiction:
Improveinstallation easeVSAvoiddetection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system implements a feedback mechanism where the processor unit queries connection sockets and receives signal responses from connected components. Based on the response patterns, the system automatically determines component types and verifies assignments. This feedback loop ensures reliable detection while maintaining ease of installation, as the system can identify and correct configuration issues automatically.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3292056B1Conveyor with a control unit with hardware detection
Publication Date: 2022.02.23 INTERROLL HLDG
  • EP3292056B1 patent drawingFigure 1
  • EP3292056B1 patent drawingFigure 2
  • EP3292056B1 patent drawingFigure 3

AI summary

The invention relates to a method for configuring a control unit (102, 202, 302) in a conveyor. A control unit controls one or more conveyor segments (100, 200, 300), and each conveyor segment has a conveyor drive (101, 201, 301) for conveying an object (40) through the conveyor segment, said drive being coupled to the control unit for signaling purposes via a motor connection socket, and a sensor (103, 203, 303) for detecting an object at a position within the conveyor segment, said sensor being coupled to the control unit for signaling purposes via a sensor connection socket. According to the invention, the control unit carries out a self-configuration, having the following steps: i) activating a configuration mode of the control unit, ii) receiving a signal from each motor connection socket or sensor connection socket of the control unit in a processor unit of the control unit, iii) comparing the received signal(s) with a comparison value stored in the control unit, and iv) determining whether a conveyor drive or a sensor is connected to a motor connection socket or a sensor connection socket, respectively, of the control unit using the comparison of the signal(s) with the comparison value.