EV Charging Gun Air Tightness Tester

The EV Charging Gun Air Tightness Tester is a specialized device designed to evaluate the sealing performance of electric vehicle charging connectors. It adopts a pressure decay method to ensure that charging guns meet waterproof and dustproof requirements such as IP67/IP68. The system features a 7-inch intelligent touch screen, multi-language support, and multi-station testing capability, providing efficient and accurate leak detection for production and quality control.

Application

(1) Air tightness testing of EV charging guns and connectors.
(2) Leak detection for sealing components in charging interfaces.
(3) Verification of waterproof and dustproof performance (IP67/IP68).
(4) Quality inspection in new energy vehicle charging equipment manufacturing.
(5) Suitable for OEMs, component suppliers, and testing laboratories.

Standards

(1) GB/T 20234.1-2023 – Connection set for conductive charging of electric vehicles (Part 1: General requirements)
(2) IEC 62196 – Plugs, socket-outlets, vehicle connectors and vehicle inlets (reference)

Parameters

Features

(1) Three-stage testing: pressurization, pressure holding, and leakage detection for accurate evaluation.
(2) High sensitivity enables detection of micro-leakage with resolution up to 0.1 Pa.
(3) Multi-station synchronous testing improves efficiency by up to 50%.
(4) 7-inch intelligent touch screen provides intuitive operation and visualization.
(5) Supports six languages for international applications.
(6) Real-time pressure decay curve generation and data storage.
(7) Quick leak point identification improves troubleshooting efficiency.
(8) Industrial IoT compatibility via RS485 for MES system integration.

Accessories

(1) Customized fixtures for irregular charging gun structures.
(2) Sealing components and connectors.
(3) Data communication cables (RS485).
(4) Calibration tools for pressure verification.

Test Procedures

(1) Fix the charging gun securely using customized fixtures.
(2) Set test parameters such as pressure (e.g., 20 kPa), holding time, and allowable leakage.
(3) Pressurize the internal cavity of the charging gun.
(4) Maintain pressure for stabilization (e.g., 10 seconds).
(5) Monitor pressure decay within the detection period (e.g., 5 seconds).
(6) Evaluate leakage value (≤30 Pa = pass; >30 Pa = fail).
(7) Generate pressure decay curves and export data in CSV format.

Maintenance Information

(1) Regularly inspect fixtures and sealing components for wear or leakage.
(2) Calibrate pressure sensors periodically to ensure measurement accuracy.
(3) Keep the system clean and free from dust or contaminants.
(4) Verify communication interfaces for stable data transmission.
(5) Ensure stable operating environment within specified temperature and humidity ranges.

Conclusion

The EV Charging Gun Air Tightness Tester provides a high-precision, efficient, and intelligent solution for leak detection in charging connectors. With advanced pressure decay analysis, multi-station capability, and IoT integration, it ensures compliance with industry standards and enhances product reliability in the rapidly growing EV market.

FAQ

(1) What is this product?
It is a testing device used to evaluate the air tightness of EV charging guns and connectors.

(2) What is this product used for?
It is used to detect leakage and ensure waterproof and dustproof performance.

(3) What is the working principle of this product?
It uses a pressure decay method by monitoring pressure changes after pressurization to determine leakage.

(4) Why is this product important?
It ensures safety and reliability of EV charging systems by preventing moisture and dust ingress.

(5) What industries is this product suitable for?
New energy vehicle industry, charging equipment manufacturing, and quality inspection laboratories.