Sustainable R&D Investment
Professional Testing Platform
Cutting-Edge Testing Equipment from World-Class Brands
● R&S
● SCHWARZBECK
● AMETEK
● eTektronix
● eKeysight
● HIOKI
● YOKOGAWA
● FLUKE
● CHROMA
● STI
● GWS
● ZLG
● ITECH…
Our laboratories are equipped with world-class testing equipment, enabling us toestablish a standardized, professional, automated, and intelligent testing platform tha teffectively ensures the accuracy and stability of our testing results.
Testing Capabilities& Management System
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Sustainable Investment
Testing Center Introduction
The testing center is mainly dedicated to the new energy EV charging products. Covering an area of more than 2,000 square meters, the Center has IP grade laboratories, environmental relability laboratories, safety laboratories, aging laboratories, optical laboratories, EMC laboratories, materials chemical laboratories, etc. are equipped with many domestically and internationally advanced testing equipment, with a total value of more than 20 million.
The testing center has a high-quality technical service team of nearly 30 people, providing professional, rigorous, fast and thoughtful services. Reliable testing services enable customers' products to be sold around the world with confidence and safety.
Testing Center
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Testing Center
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Automatic patch production system
ATE instrument configuration and testing capabilities
Main test items of the fully automatic test system
Output voltage and current accuracy
Startup waveform and time
Voltage regulation rate
Load regulation rate
Efficiency
Remote control
Output ripple and noise
TRIM adjustment
Short circuit protection and recovery
Overcurrent protection
Input over-voltage and under-voltage protection
Start-up delay
Dynamic response
On/off overshoot
Other test items can be added upon customer request
Industrial computer (EVOC)
DC power supply (Chroma62012P)
DC electronic load (Chroma6314+63103)
Oscilloscope (Tektronix TDS2012B)
Multimeter (Fluke F45)
Note: Other instruments with communication functions can be expanded
Standard configuration ATE can measure product range: Power: 0-1200W Output channels: 1-4 channels INPUT: 0-80V OUPUT: 60V
Fully automatic wave soldering
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Automatic aging system
·Automatic constant temperature control can be achieved
·Aging time can be adjusted according to different product requirements
·Aging voltage can be selected according to different requirements
·Aging time, status and other data can be read and stored
·Aging product real-time monitoring can be achieved
·Electric vehicle charger aging system
·Module power supply, DC charging pile aging system
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Safety Compliance Laboratory
Insulation resistance tester
Insulation resistance test: test voltage: Ui≤60V, the voltage level of the insulation resistance tester is 250V; 60<Ui≤300V, the voltage level of the insulation resistance tester is 500V: 300<Ui≤700V.
The voltage level of the insulation resistance tester is 1000V (rise time 5S, test time 60S):
Test parts
1. Each electrically charged conductive circuit to ground (1. input - ground, 2. output - ground);
2. Between electrically unconnected live conductive circuits (input-output);
3. 10MΩ; Insulation resistance should be no less than 10MΩ
Insulation resistance measurement
Supplementary information: The measurement of insulation resistance shall be carried out after applying the test voltage during 1 min
Dielectric strength test: Test voltage: Ui≤60V, power frequency withstand voltage test voltage 1.OKV: 60<U1≤300V, power frequency withstand voltage test voltage 2.0KV: 300<Ui≤700V, power frequency withstand voltage test voltage 2.5KV;
1min. Test time: 1min.
Test Parts:
| Test voltage applied between | Test potential applied (V) | Is there a breakdown/flashover? |
| Input - Exposed Conductive Parts | 2036Vdc | Yes/no |
| Input - Exposed Conductive Parts | 2036Vdc | Yes/no |
| Output - Exposed Conductive Parts | Test potential applied (V) | Is there a breakdown/flashover? |
| Input Output | 4072Vdc | Yes/no |
| Main AC circuit to CELV circuit | 4072Vdc | Yes/no |
| Main DC circuit to SELV circuit | 4072Vdc | Yes/no |
| Supplementary information: The tripping current of the generator shall be adjusted to a tripping current of 100 mA. | ||
Ground resistance continuity:
test current 10A; Part: 1. front and rear door handle lock cylinder; 2. frame grounding point; 3. switch power supply housing; 4. fan sheet metal fixing bolt; 5. all module grounding points (record the maximum value measured); requirement: grounding resistance value ≤ 0.1Ω
Electrical clearance:
Check for foreign matter and copper leakage, and use a caliper if necessary;
Part:
1. AC input copper bar; AC contactor distributor or wiring part of each phase; Requirements: electrical clearance ≥ 13.0mm, creepage distance: ≥ 15.5mm
Part:
Others, such as where the gun line exits, etc.
Clearance and creepage distance measurement (reference EN IEC61851_23B)
1. AC input terminals L1 – L2, record the measured data to see if they meet the standards
2. AC input terminal L3 – N, record the measured data to see if it complies with the standard
3. AC input terminal L1 – PE, record the measured data to see if it complies with the standard
4. DC +/- to the chassis, record the measured data to see if it complies with the standard
5. VBAT + to PE, record the measured data to see if it complies with the standard
6. Output DC+ to CAN H, record the measured data to see if it complies with the standard
7. Output DC+ to CAN L, record the measured data to see if it complies with the standard
Supplementary note:
Input: 400 Vac, 3P+N+PE, 50 Hz;
Output: 1000 Vdc, 180 A
Voltage Withstand Tester
Impulse voltage withstand test: Test voltage: Ui≤60V, Impulse voltage withstand test voltage 1KV: 60<Ui≤300V, Impulse voltage withstand test voltage 5KV: 300<Ui≤700V, Impulse voltage withstand test voltage 12KV: Test Part:
1. Between each charged conductive circuit and the ground (it is necessary to specify that each circuit is grounded separately);
2. Between electrically charged conductive circuits that are not electrically connected (the connections between each part of the circuit must be specifically indicated).
3. There is no breakdown or insulation damage at the test part. During the inspection, flashover that does not cause insulation damage is allowed.
Salt spray test chamber
Salt spray test: solution concentration: (5±1)%, ambient temperature: (35±2)℃, PH range: 6.5~7.2, duration: 48h. After the test, there is no sign of rust on the surface of the sample. After installation, it does not affect the normal operation of the charging pile, does not damage safety, and the charging pile operates normally after power is switched on.
Tests must be conducted in accordance with C4 standards
Environmental Laboratory
Transport simulation tester
10- 55-10Hz、3- 100- 31l2
Vibration test: Frequency range: 10-55-10Hz, 3-100-3112
Special lock time: 0.5h vertically and horizontally respectively
Power on and check, the shell has no abnormal conditions such as paint peeling, cracking, deformation, etc., and the screws and connectors are not loose.
Package drop: Drop height: 1000 m (<10kg) 500 m (> 10kg)
Drop method: surface drop, edge drop, corner drop
Drop order: one corner, three edges, six sides, the drop corner is the heaviest corner of the bottom of the packaging box.
Power on and check that the shell has no paint peeling, cracking, deformation or other abnormal conditions, and that the screws and connectors are not loose.
Intelligent high and low temperature cycle test system
Low temperature inspection: put the charger in the specified ambient temperature, duration: 24h, test process: power on.
High temperature inspection: put the charger in the specified ambient temperature, duration: 24h, test process: power on.
Constant damp-heat: put the charger in the specified ambient temperature, duration: 24h, test process: power on.
Thermal shock: put the charger in the specified ambient temperature, duration: low temperature 60min, high temperature 60min, cycle test: 32 times.
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