Portable Robotic Arm Test Device with Micro Step Motor

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Solution Overview

Problem

Current robotic arm test devices for electronic devices are non-portable and require significant human effort to adjust height, angle, and software configuration for each product, making them inefficient and time-consuming.

Innovation Solution

A portable test device with an automatic robotic arm featuring a micro step motor-driven mechanism, precision guide, and dual adjusting slots for height and angle adjustments, along with a control circuit board for software-controlled plug and pull stroke testing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If large air-pressured equipment is used to drive the robotic arm, then the robotic arm can move forwards and backwards, but the device becomes non-portable and bulky

Engineering Contradiction:

Improvedriving powerVSAvoiddevice weight

Core Design Contradiction:

PowerVSWeight of moving object

Solution Approach 1:

The patent replaces the traditional air-pressured equipment (pneumatic system) with a micro step motor (electrical drive system). This substitution enables the robotic arm to be driven by a smaller, lighter motor while maintaining the plugging and pulling motion functionality, thus achieving portability without sacrificing driving capability

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the driving mechanism from a pneumatic system requiring large equipment to a micro step motor system. This parameter change in the drive type allows the device to be miniaturized and made portable while still providing sufficient torque and controlled motion for connector testing

Inventive Principle:

Principle #35Parameter changes

2Measurement precision

If the height and angle of the test connector are manually adjusted for each product, then the test connector can be positioned correctly, but significant human effort and time are consumed

Engineering Contradiction:

Improvepositioning accuracyVSAvoidadjustment time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The patent introduces adjustable and movable components including height adjustment means, angle adjustment means, and a movable robotic arm. These dynamic elements allow the test connector position to be quickly modified for different products, replacing manual repositioning with structured adjustment mechanisms that reduce time while maintaining precision

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent incorporates pre-configurable adjustment mechanisms for height and angle. The fixture member and robotic arm can be preliminarily set to standard positions, allowing quick adaptation to different products without requiring extensive manual adjustment each time, thus reducing repetitive human effort

Inventive Principle:

Principle #10Preliminary action

3Reliability

If software configuration is manually set for each plug and pull stroke test, then the test parameters can be configured, but the process becomes time-consuming and labor-intensive

Engineering Contradiction:

Improvetest accuracyVSAvoidoperation simplicity

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent implements a control system with software that can automatically configure and execute plug and pull stroke tests. The system serves itself by storing test parameters and automatically retrieving them for different products, eliminating the need for manual software configuration each time while maintaining test accuracy and reliability

Inventive Principle:

Principle #25Self-service

4Measurement precision

If the test device is designed for specific products, then the testing can be accurate, but the device lacks versatility for testing various electronic devices

Engineering Contradiction:

Improvetesting accuracyVSAvoiddevice compatibility

Core Design Contradiction:

Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The patent designs the test device with universal adaptability features including adjustable height, adjustable angle, and a movable robotic arm that can accommodate different connection ports. The fixture member can be configured for various connector types, enabling the same device to accurately test multiple electronic devices such as servers, laptops, desktops, and mobile phones without requiring product-specific customization

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

Enables portable, lightweight, and efficient testing with precise movement and quick adjustments, reducing human intervention and increasing testing speed and reliability across various electronic devices.

Implementation Method 1

The driving member is a micro step motor

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS10976378B2Portable test device with automatic robotic arm

Publication Date: 2021.04.13 INVENTEC PUDONG TECH CORPOARTION

AI summary

A portable test device with automatic robotic arm is provided to use a micro step motor as the power source for the reciprocating movement of the robotic arm. The dual adjustment slots design of the intermediate plate enables quick adjustment of the angle and height of the robotic arm. The intermediate plate is further mounted to a precision guide for precise operation of the robotic arm.