(I) Equipment Overview

Micro-reverse aging test equipment is a non-standard equipment customized for customers by Sichuan Wole Intelligent Technology Co., Ltd. Through the simulation of high temperature and harsh conditions, the equipment performs long-term burning tests on high-performance electronic products to improve the safety, stability and reliability of the products. The core components of the equipment include direct current sources, bidirectional power supplies, control equipment, monitoring equipment, etc. The aging cabinet is customized and can meet the safety operation requirements under specific electrical specifications and environmental conditions.

The testing software is built on a modular platform, making it easy to maintain. Testers only need to scan the barcode of the product to be tested, and the software can automatically complete the program call and result judgment. This software can not only run on an aging cabinet but also share the same testing platform with safety, FCT, andATE, effectively reducing maintenance workload, helping factories achieve standardized equipment processes, and supporting integration with MES systems to improve production management efficiency.

The equipment research and development and production strictly follow a number of national standards and industry norms, including "GB/T 34120-2023 Technical Requirements for Energy Storage Inverters of Electrochemical Energy Storage System", "GB/T 36547-2018 Technical Specifications for Accessing Grid of Electrochemical Energy Storage System", "T/DZJN 297-2024 Technical Specifications for Energy Storage Inverters Products" and "GB/T 36276-2023 Lithium-Ion Batteries for Power Energy Storage", ensuring that the equipment performance and safety meet the industry's high standards.

(II) Technical Indicators and Features

1. Modular Design：The interior of the aging cabinet adopts a modular architecture, breaking down complex systems into independent functional modules. Each module is combined and replaced quickly through standard interfaces. The modules have the advantages of functional independence, interface standardization, and strong scalability, enabling the hardware system to achieve a qualitative leap in flexibility, maintainability, and scalability, especially suitable for high-reliability, rapid iteration of complex testing requirements, and can easily cope with changes in testing scenarios for different products.

2. High Security: The interior of the cabinet is designed and manufactured strictly in accordance with the electrical specifications of the equipment, from the equipment to the interface and then to the control module, to fully ensure the electrical safety of the equipment during operation, effectively avoid equipment damage or safety accidents caused by electrical faults, and provide a solid guarantee for the stable development of the test work.

3. Smart utilization: The equipment is matched with the company's self-developed software platform, integrating edge computing technology to achieve full automation of the testing process. From setting test parameters, executing tests, to automatic judgment of test results, automatic generation of test reports, the whole process does not require manual intervention. At the same time, the equipment management platform can be deployed within the company's local area network, and with the help of digital twin technology, staff can view the status of test equipment, perform intelligent analysis of test data, and review test reports in real time through office computers, greatly improving testing management efficiency.

4. Software Openness：The software is designed to be open, modular, and platform-based, giving customers more flexibility to customize test functions. Customizable addition and removal of supported devices allow customers to flexibly configure devices according to test requirements; import and export of test sequences facilitate the reuse and sharing of test processes; automatic software upgrades ensure that software functions always remain ***; and the number of parallel test products can be customized to flexibly adjust test efficiency according to the production rhythm, reducing the time to build a new product test system and significantly improving product test efficiency.

(III) Aging Architecture and Hardware Configuration

(iv) Description of the aging cabinet

1. Introduction to the Aging Cabinet：The aging cabinet is the core testing carrier of the equipment, integrated with a circulating fan, multiple aging positions, a display, an aging interface, and a keyboard drawer, equipped with a folding door design. The circulating fan ensures air circulation within the cabinet, maintaining a uniform temperature environment, and ensuring the consistency of aging test conditions; multiple aging positions allow for the simultaneous aging test of multiple products, improving test efficiency; the display and keyboard drawer facilitate the operation and parameter setting of the staff in front of the cabinet; the aging interface is used to connect the tested products with the testing system, ensuring the stable transmission of test signals; the folding door design facilitates the insertion and removal of products and the maintenance of equipment within the cabinet.

2. Aging cabinet dimensions: The exterior dimensions of the aging cabinet are 3400mm×1500mm×2300mm (length × width × height). The design of these dimensions fully considers the installation layout of the internal hardware equipment, the number of aging positions, and the demand for operating space, while also being flexible to adjust according to the actual product size of the customer, ensuring that the equipment can adapt to different specifications of the tested products.

(5) Introduction to the software platform

1. Overview of the Software Platform：The device is equipped with the company's self-developed ATE2.0 software platform, which is a test management software that can be executed immediately. It supports the development, execution, and deployment of test system software. Users can construct test instructions using test code modules written in any programming language. Test sequences can specify the execution flow, generate test reports, make database records, and connect to other company systems. The software platform supports multiple languages (Chinese, English, Vietnamese, etc.), and is suitable for the deployment of test systems in various stages of research and development, production, and after-sales service, providing a unified and efficient solution for testing work in different scenarios.

2. Software platform advantages

◦ Generalizability and Compatibility：Compatible with a variety of operating systems, hardware devices, and applications, allowing for unified test software development without the need to develop dedicated test software for different environments. Whether it is different products such as generators, inverters, relays, STS, etc., or different test workstations such as PCBA testing, whole machine function testing, and whole machine aging testing, it can achieve full adaptability through a unified interface and protocol, truly achieving "one company, one software", significantly improving testing efficiency, and reducing development costs and the learning and training costs of testing engineers.

◦ Scalability and Flexibility：Adopting a modular architecture allows for easy addition or updating of functional modules. When a customer launches a new product, there is no need to redevelop the entire test software. By merely adding new test modules and instrument drivers, quick implementation of new product test support can be achieved, flexibly responding to changing test requirements and effectively shortening the new product test cycle.

◦ Data Management and Analysis: Capable of centralized management of test data, it helps users gain in-depth insights into product performance and quality conditions through data mining and analysis functions. It can discover differences in functional parameters of products from different batches, providing data support for product optimization and quality improvement, while also facilitating data storage, retrieval, and sharing, enhancing the value of data utilization.

◦ Team Collaboration and Communication：提供 a unified work platform for testing teams, development teams, and quality management personnel, supporting real-time sharing of test progress, results, and issues. All parties can communicate and coordinate in a timely manner, improving team efficiency and accelerating the product testing and delivery process.

◦ Automation and Intelligence: Supports the writing and execution of automated test scripts, achieving the automated operation of repetitive test tasks, reducing manual operation and human error, and improving the accuracy and stability of testing. Subsequently, it can be combined with artificial intelligence and machine learning technologies to intelligently analyze and predict test results, identify potential issues in advance, and provide forward-looking suggestions for product research and development and quality control.

1. Software Platform Architecture: ATE2.0 software platform adopts an open and modular design, with the core goal of meeting customer's personalized needs. It supports users to develop底层 functional code using development tools such as Labview or .net that can generate code compatible with the .net dynamic library, and customize functional modules. The platform has strong data management capabilities, supports custom report templates, and provides a variety of interfaces to facilitate integration with other systems of the user. The company's self-operated cloud command library contains control commands for mainstream instruments in the current market, and users can use them directly after downloading, greatly facilitating function expansion and reducing the difficulty of secondary development. The software platform has flexible deployment methods, which can be deployed locally or using a C/S structure. When using a C/S structure for deployment, it is possible to use the company's internal server to manage test software and test data uniformly, ensuring data security.

2. Software functional modules

◦ User Management: It is a key link to ensure the orderly operation of the system, data security, and user experience. A three-level user management model (Super Administrator, Administrator, Tester) is adopted, and custom permission settings are supported. The Super Administrator has the *** permissions of the system and can perform all operations such as user creation, deletion, and permission allocation; Administrators can manage ordinary tester accounts and some system settings; Testers only have permissions related to testing operations. Through fine-grained permission management, the security and standardization of system operations are ensured, and it is convenient to audit and trace operation records.

◦ Component Management：The components, as the instrument driver layer of the software platform, serve as a bridge connecting the software platform with the device-integrated instruments, and are the core manifestation of the platform's openness. Users can add instruments to the platform at will in this module, expand the functions of the test platform by importing the corresponding driver components (such as PA300, 8808ChcekDsp, etc.), and achieve test support for different types of products, enhancing the flexibility and applicability of the platform.

◦ Instruction Management：is the key to implementing specific test functions. Users can configure parameters for components imported into the platform, generating test instructions for a particular function of the product (such as A+B operation, BUSMeas measurement, battery control, etc.). The instruction management module supports the addition, copying, modification, and deletion of instructions, and can set the return value of instructions, data parsing methods (regular expression extraction, splitting characters, etc.), and result correction parameters to ensure the accuracy and reliability of test instructions.

◦ Sequence Management: A test sequence is a collection of test instructions that defines all the test functions, parameters, specifications, and test logic for a product. Users can add test steps in the sequence editing interface, select the corresponding test instructions for each step, set the execution conditions, failure jump rules, and retry times. Test sequences support import and export, can be reused as independent files between different devices or systems, greatly improving the standardization and reusability of the test process.

◦ Parameter settings: As an important manifestation of the openness of the platform, it supports users to customize a variety of parameters to meet the testing needs of different customers and different products. This includes material number configuration (setting product material numbers, test categories, fixture numbers, etc., to achieve the correlation between material numbers and test sequences), system parameter configuration (such as thread number, timeout time, etc.), variable configuration (defining variables and default values required in the testing process), interface configuration (setting interface parameters with external systems such as MES, TMS, etc., to achieve data interaction), and workstation settings (configuring test workstation numbers, interface addresses, etc.).

◦ Data Management: Provides a variety of data management modes, supports the generation of test reports in local Excel and HTML formats, and can also save data to the database. It also supports custom report templates, allowing users to design report formats and content according to their needs. The platform also integrates TMS (Test Management System), supporting the unified management and analysis of test data at the company level, facilitating users to query and count test results, and providing data support for production decisions.

◦ TMS System：The built-in test management system of the software platform, after deployment on the internal server, users can log in to the system through office computers or mobile terminals to view the status of all test equipment in the factory or laboratory (normal, offline, ready, etc.), the progress of test work orders, test reports, and other information in real time. The TMS system has achieved centralized control of test resources, improved the level of visualization and intelligence of test management, and facilitated the timely grasp of test dynamics and optimization of resource allocation by managers.

◦ Kanban System：Equipped with large-screen kanban functions, it showcases real-time aging data (such as test voltage, current, power, etc.) and status (testing in progress, completed, failed, etc.) of each product, while also displaying the operation data of the aging cabinet (environmental temperature, water temperature, smoke detection status, total power, electricity consumption, etc.). The kanban system provides intuitive means for on-site management personnel to monitor the testing progress and equipment status, facilitating timely detection and handling of anomalies to ensure the smooth progress of testing work.

(Six) Testing Process

The equipment adopts an automated testing process, with specific steps as follows:

1. Preparation Stage：The staff will connect the tested product to the aging interface of the aging cabinet, ensuring that the test wires are firmly and correctly connected.

2. Start testing：Scan the product serial number with the data acquisition device (PDA), the system automatically identifies the product type, and connects to the MES system (if any).

3. Program call: The software automatically calls the corresponding test sequence according to the identified product type, without manual intervention.

4. Test Execution: The system automatically controls the test equipment to output corresponding parameters according to the test sequence, and carries out PV grid-connected aging test on the product (the product is connected to 6 PV sources and the power grid, working in PV grid-connected mode, aging for at least 1 hour), while collecting test data in real time.

5. Result Judgment：The software automatically judges whether the results of each test function are within the qualified range according to the preset test standards.

6. Report Generation and Submission：After the test is completed, the system automatically generates a test report (including test parameters, results, and duration). If connected to the MES system, the test results will be automatically reported to the MES system; if the test fails, the system will prompt the cause of the failure, which is convenient for the staff to check the problem.

In addition, the platform also supports manual testing, single-step testing, breakpoint testing and other functions, meeting the special needs of product fault diagnosis and function verification in the process of product research and development.