Vision Inspection Controller for Cross-Protocol Part Inspection

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Solution Overview

Problem

Conventional inspection systems for part manufacture are labor-intensive, costly, and prone to human error, with machine vision systems being time-consuming and requiring expensive hardware and software, and often suffer from limited communication between components using different protocols.

Innovation Solution

A vision inspection system integrated with a communication network that includes an imaging device, a vision inspection controller communicatively coupled to a machine controller, using a first communication protocol to process images, determine inspection results, and trigger machine motive devices for part removal or movement, enabling efficient and accurate inspection and automation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual inspection systems are used, then labor intensity and cost are high, but detection accuracy is low and product consistency is poor

Engineering Contradiction:
Improvedetection accuracyVSAvoidlabor intensity
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical inspection with an automated machine vision system that uses imaging devices and image processing algorithms to detect defects, thereby eliminating human labor while improving detection accuracy and product consistency

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

Solution Approach 2:

The inspection system performs self-inspection by automatically capturing images, processing them through algorithms, and generating inspection results without requiring human operators, enabling the system to serve itself in the inspection process

Inventive Principle:
Principle #25Self-service

2Measurement precision

If machine vision inspection systems are used, then detection accuracy is improved, but inspection time increases and hardware/software cost is high

Engineering Contradiction:
Improvedetection accuracyVSAvoidinspection time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system processes only the necessary portions of images at appropriate levels of detail, avoiding complete exhaustive analysis of every pixel, thereby reducing inspection time while maintaining sufficient detection accuracy for quality control purposes

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The inspection system operates in periodic cycles with image capture, processing, and result generation occurring in discrete time intervals, enabling efficient batch processing that reduces overall inspection time compared to continuous frame-by-frame analysis

Inventive Principle:
Principle #19Periodic action

3Adaptability or versatility

If different communication protocols are used between components, then system compatibility is reduced, but communication capability is limited

Engineering Contradiction:
Improvecommunication compatibilityVSAvoidcommunication capability
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent introduces a communication conversion module that acts as an intermediary between components using different communication protocols, translating and converting signals between protocols to enable seamless communication while preserving all information exchange capabilities

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11816755B2Part manufacture machine having vision inspection system
Publication Date: 2023.11.14 TE CONNECTIVITY SOLUTIONS GMBH
  • US11816755B2 patent drawing
  • US11816755B2 patent drawing
  • US11816755B2 patent drawing

AI summary

A vision inspection system includes an imaging device that is configured to image parts being inspected. The vision inspection system includes a vision inspection controller that is configured to be communicatively coupled to a machine controller of the part manufacture machine by a communication network. The vision inspection controller communicates with the communication network using a first communication protocol. The vision inspection controller creates an absolute path directory at the machine controller. The vision inspection controller receives an image from the imaging device. The vision inspection controller communicates a first trigger to the absolute path directory upon receipt of the image from the imaging device. The vision inspection controller processes the image from the imaging device to determine inspection results for a first part of the parts. The vision inspection controller sends at least one of the image or the inspection results to the machine controller.