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ZJ-LH820
AC Single-Phase and Three-Phase Charging Pile Aging Test System
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Product Description
1.1 Equipment Overview
This AC charging gun aging test system employs advanced computer control and regenerative load technology, resulting in a more intelligent, energy-efficient, and environmentally friendly testing solution.
1) Intelligence: The software automatically monitors for aging, faults, or defects, automatically cuts off the power supply, and issues alarm notifications.
The equipment automatically shorts the faulty sample, while testing continues at other stations.
2) Energy conservation: Energy recovery is achieved through the use of regenerative loads, thereby realizing energy savings.
3) Environmental protection: Electrical energy is fed back into the power grid, generating minimal heat and thereby preventing a rise in ambient temperature at the test site.
4) Traceability: Test data can be queried and traced in real time.
1.2 Applicable Products
This equipment is used for aging tests of single-phase AC charging gun and charging station products to ensure that all shipped units meet the required specifications. It is applicable to aging tests for electric vehicle AC charging guns and charging stations in accordance with GB/T 18487.1-2015, IEC 62196-2-2016, SAE J1772-2017, and other relevant standards. The actual product is shown in the figure below:
Standards: Single-phase Chinese, European, and American standards
Load Voltage: Single-phase AC 0–300 V (external input; power supply to be provided by the user)
Load current: 1–32 A, continuously adjustable
1.3 Test Schematic
The test schematic is shown in the figure below: KM denotes the contactor, 13A denotes the AC socket, the black square represents the AC charging gun connector, Control Guidance refers to the control guidance module, and M2 denotes AC charging gun mode 2.
1.4 Test Control Principles
The equipment wiring schematic uses 10 products as an example, with the backend connected in series. The maximum number of units that can be tested is limited by the allowable voltage drop range. This equipment comprises two sets, each capable of simultaneously testing 10 products online. Note: KMXA and KMXB are interlocked; they cannot be energized at the same time.
Introduction to the Operating Principles of Electrical Appliances:
At Workstation 1, the product is inserted, KM contactor energizes, and M2 product is powered on. Control logic then triggers S2 to engage, initiating charging. If the product at Workstation 1 charges normally, KM1B energizes while KM1A de-energizes; if charging fails or no product is present, KM1A energizes while KM1B de-energizes, directly routing power to Workstation 2.
At Workstation 2, the product is inserted, KM contactor energizes, and M2 is powered. Control logic then triggers the energization of S2 to initiate charging. If the product at Workstation 2 charges normally, KM2B energizes while KM2A de-energizes; if charging fails or no product is present, KM2A energizes while KM2B de-energizes, bypassing the charging circuit and directly routing power to Workstation 3.
And so on…
At workstation 12, the product is inserted, KM contactor energizes, and M2 product is powered. Control logic then triggers the energization of S2 to initiate charging. If the product at workstation 2 is charging normally, KM12B energizes while KM12A de-energizes; if charging fails or no product is present, KM12A energizes while KM12B de-energizes, directly routing power to the load contactor.
The power meter sequentially and cyclically measures the aging voltage and aging current of the product under test, and halts the aging process upon detection of a defect.
1.5 Energy-Feedback Load
The load employed is an energy-regenerative load, also known as an energy-feedback electronic load. Compared with conventional resistive loads, this type of load utilizes power-electronics conversion technology to, while conducting power-testing experiments, cyclically recover and reuse the output energy of the device under test, feeding the electrical energy back into the grid in a pollution-free manner. This approach not only conserves energy but also minimizes heat generation, thereby preventing excessive ambient temperature rise in the test environment.
1.6 Software
This system software features one-click testing, with all test results recorded and readily retrievable; it also includes QR code scanning for traceability of product test data. The control panel is ergonomically designed, and the equipment is equipped with self-diagnostic capabilities.
(1) The operating software features a Chinese user interface and is simple and easy to learn.
(2) Computerized operation, with all tests completed in a single run.
(3) Can be integrated with the MES system.
(4) Scan-to-test available
(5) Test Data Traceability
(6) Test data can be automatically saved as an Excel or TXT file.
Main Technical Parameters
1. Number of workstations: Each group has two levels, with five workstations per level; there are two back-to-back groups, for a total of 20 workstations.
2. Load requirements: Each group shall be connected to a 0–32 A smart electronic load, which shall be a regenerative load.
3. Power outlets: Each workstation is equipped with wiring terminals;
4. Charging gun sockets: Each workstation is equipped with single-phase AC charging sockets compliant with Chinese, U.S., and European standards.
5. Simulated Charging: The entire charging process is simulated by connecting the simulated charging gun.
6. Parameter Setting: The industrial PC-based management system allows free configuration of parameters such as load current and test duration directly on the computer.
7. Storage Requirements: Aged data is automatically stored in association with each product barcode, and electronic reports can be generated and printed.
8. Data Upload: Integrated with the MES system, enabling data to be uploaded to our company’s traceability system for access at any time;
9. Operating power supply: AC 220 V/50 Hz, aging power supply; AC 380 V/50 Hz;
10. Equipment dimensions: Length 1800 mm × Width 1200 mm × Height 1620 mm.
Online Consultation
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Dongguan Zhongjia Testing Equipment Technology Co., Ltd
86135 8080 6147(Technical Director)
86135 8090 9432(Mr. Guo, Manager)
Building 1, Guanghui Zhigu, No. 86, Yinkang Road, Hengli Town, Dongguan City
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