Automated Electrochemical Test Assembly for Precise Electrode Sealing

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Solution Overview

Problem

Traditional electrochemical testing is manually operated, leading to inefficiencies, inaccurate results due to manual operations, and difficulty in precise time control, with issues like poor sealing and random electrode fixation.

Innovation Solution

An electrochemical testing device with a mechanical arm and electrochemical testing assembly that automates operations, including a solution cup, reference and auxiliary electrodes, and a liftable columnar copper wire for precise sealing and testing, using a mechanical arm to transfer and inject solutions, and a servo gripper for electrode handling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual operations are used for electrochemical testing, then the testing process is simple to operate, but the testing efficiency is low and the test cycle is long

Engineering Contradiction:

Improvemanual operation simplicityVSAvoidtesting efficiency

Core Design Contradiction:

Ease of operationVSProductivity

Solution Approach 1:

The device enables automated self-service testing through a mechanical arm that automatically performs sample placement, solution injection, electrode positioning, and data collection. The system executes the complete testing sequence without manual intervention, transforming manual operations into autonomous automated processes while maintaining operational simplicity through centralized control.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Manual mechanical operations are replaced with an automated mechanical arm system that performs precise positioning, manipulation, and measurement tasks. The mechanical arm substitutes human hands and operations with programmable robotic mechanisms, dramatically improving testing speed and consistency while reducing the test cycle.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If manual operations are used for electrochemical testing, then the device structure is simple, but the test result accuracy is affected by additional manual influences

Engineering Contradiction:

Improvedevice structure simplicityVSAvoidtest result accuracy

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The automated system performs all testing operations autonomously without manual intervention, eliminating human-induced variations and errors. The mechanical arm and associated systems execute standardized procedures with consistent precision, ensuring reliable and reproducible test results while the centralized control architecture manages the increased system complexity.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Manual operations that introduce variability and error are replaced with automated mechanical and electronic systems. The mechanical arm provides precise, repeatable positioning and manipulation, while electronic control and sensing systems ensure accurate measurement and data collection, thereby improving test result reliability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If manual bolt pressing is used to press the test piece, then the device structure is simple, but the sealing effect is poor and liquid leakage occurs

Engineering Contradiction:

Improvepressing mechanism simplicityVSAvoidsealing effectiveness

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

Manual bolt pressing is replaced with an automated pressing mechanism that applies controlled, uniform force to the test piece. The automated system ensures consistent sealing pressure across the sealing surface, preventing liquid leakage while the integrated control system manages the increased mechanical complexity through programmable operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Device complexity

If random fixation method is used for counter electrode and reference electrode, then the device structure is simple, but the test result accuracy is low

Engineering Contradiction:

Improveelectrode fixation structureVSAvoidtest result accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

Random manual electrode fixation is replaced with an automated mechanical arm system that positions the counter electrode and reference electrode with precise, repeatable accuracy. The mechanical arm follows programmed trajectories to place electrodes at predetermined locations, ensuring consistent electrode positioning and measurement accuracy while the control system manages the increased structural complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20260002866A1Electrochemical testing device

Publication Date: 2026.01.01 UNIV OF SCI & TECH BEIJING

AI summary

The present disclosure provides an electrochemical testing device, including: a working platform mounted with a mechanical arm, a test piece tray, a cup cover bracket and an electrochemical testing assembly. The electrochemical testing assembly includes a solution cup including a liquid through hole at a bottom, a reference electrode, an auxiliary electrode, a working electrode test piece, a test piece pallet and a columnar copper wire. The columnar copper wire lifts up the working electrode test piece to press and seal it on the liquid through hole. A cup cover of the solution cup is on the cup cover bracket, attached with the reference electrode and the auxiliary electrode. The mechanical arm injects and suctions a test solution, and transfers the working electrode test piece between the test piece tray and the test piece pallet and/or transfers the cup cover between the cup cover bracket and the solution cup.