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R&D Strength

Laboratories

Conduction Test System

Test Criteria:
GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, power tools and similar appliances - Part 1: Emission
GBT 9254.1-2021- Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers - Part 1: Transmission
Equipment:
Conduction receiver, artificial power supply network, power absorption clamp

Spectral Analysis

Technical Parameters:
Frequency range :10Hz-7GHz· Analysis bandwidth up to 1GHz
• SSB phase noise at 10 KHZ offset (1GHz) :-127 DBC /Hz
•10Gbit/sLAN interface to speed up data transfer (optional)
Instruments And Equipment:
Spectrum analyzer, electromagnetic shielding room

Immunity Comprehensive Test System

Test Criteria:
Electromagnetic compatibility requirements for household appliances, power tools and similar appliances

Equipment:
Electric fast pulse group test instrument, surge generator test instrument, voltage dip and short time interruption test instrument

Electrostatic Discharge Test

Test Criteria:
GBT17626.2 ESD Discharge ESD Discharge gun Technical
Parameters:
•Voltage polarity: positive, negative, alternating between positive and negative
•Maximum discharge voltage :+30.00kV+5%
•Discharge interval :0.050s~30.0s
•Discharge network :150pF/330Q

Data Analysis

Can provide better than the industry standard requirements of the test, but also fair, scientific, accurate, efficient completion of functional testing and type test, we can also assist customers to solve the product from research and development to pilot test, and then to mass production, after-sales and other life cycle safety problems. Under the premise of ensuring compliance with laws and regulations, we are committed to providing the most competitive solutions creatively together with our customers.

Pressure Rsistance Testing

Test Standard:

 GB 4706.1-2005 Safety of household and similar electrical appliances

Technical Parameters:
•Can control test time, automatic discharge, over temperature, over voltage and over current protection.
•Output voltage range: 0.00~5.00kv
•Maximum output power
100VA (5.000kV/20mA)

Leakage Current Test

Test Standard:

GB 4706.1-2005 Safety of household and similar electrical appliances

Technical Parameters:

• Upper limit of leakage current: 10uA~20.00mA

• Ammeter resolution: 2mA file: 1uA;

                                    20mA file: 10uA;

• Output voltage: 0~250V AC

• Output current: 0~20mA AC

• Maximum rated power: 500VA

Ground Resistance Test

Test Standard:

GB 4706.1-2005 Safety of household and similar electrical appliances
Technical Parameters:
•With safety wall function, test time, current, resistance display at the same time, with open alarm function, with resistance upper limit alarm, lower limit alarm function can set resistance offset
•Test current: 5-30A
•Ground resistance: 0-600mΩ
•Resistance accuracy: ±5%+ three words
•Test time: 1-99

Constant Temperature And Humidity Test Chamber

Testing Standards:
GB/T 2423.3-2006 - Part 2: Test methods - Test Cab for constant damp heat
Scope Of Competence:
•Temperature range: -40℃-160℃
•Humidity range: 10%RH-98%RH
•Inner box volume - Inner box size: 400L
 W600*H830*D800mm

Thermal Shock Test Chamber

Testing Standards:
GB/T 2423.22-2002 - Part 2: Test methods - Test N temperature change
Scope Of Competence:
•Temperature range: -40℃-150℃
•Conversion time: < 5min
•Temperature fluctuation: ±1.0℃
•Inner box volume - Inner box size: 70L
  W410*H460*D370mm

High Frequency Vibration Test System

Test Standard: ISTA 2A
Scope Of Competence:
•Rated sinusoidal excitation force: 1000N
•Maximum displacement: 25mm
•Maximum speed: 2m/s
•Frequency range: 5~4500Hz
•Maximum acceleration: 2m/s
•Maximum load: 70kg

Salt Spray Test System

Test Standard:

GB/T 2423.17-2008 - Part 2: Test methods
Test Ka: Salt spray
Technical Parameters:
•Salt spray tank water level is low
•Automatic laboratory temperature control
•Automatic control of spray regulation
•Timer: 0.1-9999HR

Switching Power Supply Test System

With a complete range of modern testing instruments and equipment, it can provide all kinds of necessary power testing and rectification services in a comprehensive, fast and convenient way, and has laboratory conditions for switching power supply testing of household appliances and similar appliances.

Device Integrated Test System

Device Comprehensive Tester
Technical Parameters:
•The test rate is 20Hz~200kHz/1MHz, and the accuracy is 0.02%
•High-speed LCR measurement, up to 80 times/second
•Test voltage: 10mV-2Vrms
•Turn ratio: frequency 1kHz-1MHz, test voltage 0.1V-10Vrms. (Induced voltage Vs≤50Vpeak)

Temperature Data Acquisition System

Testing Standards:
GB 4706.1-2005 General safety requirements for household and similar electrical appliances
Technical Parameters:
•Measurement accuracy: Count ±1 pulse
•Maximum measurement channels: 10 channels/modules

Load Test System

Testing Standards:
GB 4706.1-2005 General safety requirements for household and similar electrical appliances
Technical Parameters:
•Maximum voltage: 120V
•Maximum current: 60A
•Max power: 300W

Test Machine System

Used to test the power, speed and torque of the motor. Three-phase DC parameter meter, AC variable frequency power supply/DC power supply, fixture, industrial computer display, control console and other components, suitable for small and medium torque and high speed motor testing, such as asynchronous motor, small power DC motor, series motor and power tool industry (applicable products are mainly motor control household appliances)

Power Analyzer

Technical Parameters Of The Power Analyzer
• Analog input linear scale
• Line filter
• Torque signal pulse rating
• The number of pulses per revolution of a signal
• The number of motor poles when calculating synchronization speed
• Measure the voltage/current at the frequency required for synchronous speed operations
• Electrical Angle measurement
• Motor efficiency and total efficiency calculations

Dynamometer Control Software

The system can synchronously test and display the input voltage, current, input power, torque, speed, output power, efficiency, test date and mechanical characteristic curve of the motor under test, and can latch (test data) and print (test data and mechanical characteristic curve). The system can query any point data and any curve increase or decrease, coordinate transformation, in which the microcomputer system takes the torque as the horizontal coordinate, and the other efficiency, input power, output power, speed, current as the vertical coordinate curve.

Dynamometer

• AC single-phase induction compressor motor 2P
Applicable Horsepower:
• Brushless DC motor 0.5hp-5hp at 3600rpm
• Measured torque range: maximum torque 10N-m
• Maximum speed: 12000/8000rpm/min
• Torque accuracy: ±0.3% of F.S. at 1000rpm
• Speed accuracy: ±0.1% of F.S. at 10-12000rpm
• Current accuracy: ±0.5% of F.S. at 0-50A
• Voltage accuracy: ±0.5% of F.S. at 0-600V

Cleaning Robot Coverage Test

• Room:
It is composed of 4000*5000*2500mm (±50mm) floor, surrounding walls and ceiling, the test floor is untreated pine board or equivalent board, the walls and ceiling are made of at least 5cm purification board, and the surface is coated with color according to the standard requirements. The position, color and specifications of the floor wall and ceiling shall meet the room requirements of GB T 34454-2017 coverage test standard;
• Standard Analog Furniture:
Pantry *1, table *1, chair *4, sofa *1, divider *1, floor lamp *1, power cord *1, cylinder barrier *1, heater substrate *1, small carpet *1, checkerboard *1, metal molding strip *1, wood molding strip *1, The layout, color and specifications of simulated furniture meet the room requirements of GB_T_34454-2017 coverage test standard; Removable and fixed manually.

Cleaning Robot Performance Test

• Hard floor dust removal capacity test bench
• Edge and corner dust removal capacity test bench
• Anti-fall ability test bench
• Testing bench for paranormal abilities
• Automatic charging function test bench • Working life test bench

Throwing Load Simulator

Pulse 5a, pulse 5b
Meet The Standard:
ISO7637, ISO16750
• Pulse amplitude: 30-210v, accuracy ±10%
• Suppression voltage: 15-100v, accuracy ±10%
• Impedance: 0.5-40Ω, 0.1Ω adjustable
• Pulse rise time: 1-10ms, 1ms adjustable
• Coupling: Coupling to the positive battery terminal
• Test equipment power supply: up to 60v/30A/200A

Power Supply vVoltage Change Simulator

Meet The Standard:
ISO7637
Operating Voltage Range
• Pulse amplitude: 25-700V.1V step
• Impedance: 50Ω
• Pulse rise time: 5ns±30%
• Pulse duration: 150ns±45ns
• Pulse frequency: 0.1kHz-200kHz
• Test configuration: Pulse 3b, pulse 1, pulse 2a

Transient Pulse cConduction Interference Signal Simulator

Meet The Criteria:
ISO7637
Operating Voltage Range
• Us: 65v-87v / 123v-174v
• Ri: 0.5-4Ω / 1-8Ω
• td: 40ms-400ms / 100ms-350ms
• tr: 10-5ms

ISO 7637-2 Test Software
Lithium Battery Charge And Discharge Aging Test System

• Bidirectional energy flow, discharge energy back to the grid efficiency ≥93% (DC bus efficiency);
• DCAC module adopts space vector modulation technology, digital control, reliable inverter connected to the grid;
Technical Parameters:
• Power: 6.0KW * Number of channels / 0.9
• Output voltage: 5V~120V
• Single output DC current range: -50A to +50A

Analog Photovoltaic Power Supply

• Combined two-way power and feedback load functions
• Comprehensive protection function, support OVP, ±OCP, ±OPP, OTP, power failure, island protection
• Support solar array I-V curve simulation function
• Battery analog function with adjustable output impedance
Rating Range:
• Output voltage: 0 ~ 500V
• Output current: 120A
• Output power: -18 ~ 18kW

AC/DC Electronic Load

• THD(V) parameters can be measured up to 50 times
• Oscilloscope waveform display function
• Short-circuit simulation function
• AC electronic load: CC/CR/CV mode
• DC electronic load: CC/CR/CV/CP mode
Rating Range
• Output voltage: 50 ~ 420Vrms
• Output current: 0 to 120Arms
• Output power: 7200VA