Automated Test Apparatus for Painting Device Function Checks

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Solution Overview

Problem

Modern painting installations are complex and require comprehensive function checks, which are currently performed manually, leading to inefficiencies, high costs, and potential for undetected failures due to the person-dependent quality of manual checks.

Innovation Solution

A test apparatus that connects to the painting device via adapters to detect and modify process parameters, allowing for active control and evaluation of the device's functionality, reducing the need for manual intervention and improving the reliability of function checks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual function checks are performed, then the painting device can be tested, but the test period becomes long and requires multiple workers

Engineering Contradiction:

Improvefunction check qualityVSAvoidtest speed

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent replaces manual mechanical inspection with an automated test apparatus that electrically connects to the painting device. The control unit automatically controls components like the coating agent mixer and atomizer, eliminating the need for manual operation while enabling comprehensive functional testing of all system components.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The test apparatus enables the painting device to test itself through automated self-diagnosis. The system automatically monitors its own components, controls its own operations, and generates test reports without requiring external manual intervention, thereby improving both speed and reliability of function checks.

Inventive Principle:

Principle #25Self-service

2Reliability

If manual function checks are performed, then the painting device can be tested, but documentation becomes difficult and legal proof problems occur

Engineering Contradiction:

Improvefunction check qualityVSAvoiddocumentation quality

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The test apparatus incorporates automatic documentation and feedback mechanisms. The control unit records all test parameters, component states, and test results, generating comprehensive digital reports that serve as reliable legal documentation. This automated feedback loop ensures complete recording of test data without manual intervention errors.

Inventive Principle:

Principle #23Feedback

3Reliability

If comprehensive function checks are performed, then all components can be tested, but the test costs become high

Engineering Contradiction:

Improvefunction check completenessVSAvoidtest cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The test apparatus is designed as a universal multi-functional system that can test various components of the painting device through a single integrated platform. The control unit can control different components (coating agent mixer, atomizer, flushing system) and the same apparatus can perform multiple test functions, reducing overall test costs compared to multiple specialized manual inspection processes.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8567694B2Test method and test apparatus for checking the function of a painting device

Publication Date: 2013.10.29 DUERR SYSTEMS GMBH

AI summary

The disclosure relates to a test method for functional testing of a painting device, comprising: connecting a test device to the painting device, capturing at least one process parameter of the painting device, and checking of a functionality of the painting device by the test device using the captured process variables of the painting device. The disclosure further relates to a corresponding test device for performing the method.