Sinuo Testing Equipment Co. , Limited
Sinuo Testing Equipment Co., Limited
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Refrigerator Door Durability Test Equipment IEC60335-2-24 Interlocking Device Tester
Standard Compliance
This equipment is designed according to IEC60335-2-24:2017 “Household and similar electrical appliances – Safety – Part 2-24: Particular requirements for refrigerating appliances, ice-cream appliances and ice-makers, IDT”.
Application
It is mainly used to test the durability and stability of interlocking devices on vertical refrigerator doors. The system also assists in other repeated door opening and closing tests, such as defrost performance testing and refrigerant leakage testing. Suitable for refrigeration appliances with either two vertical doors on the same side or a single door design.
Test Principle
The test process is controlled through a customized program. Servo motors drive manipulators equipped with vacuum suction cups to repeatedly open and close refrigerator doors at a set speed. The system verifies the long-term stability, endurance, and safety of the interlocking device.
Structural Design
Electrical Control Cabinet: Includes load voltage regulating device for stable and accurate testing.
Frame & Manipulators: Robust structure ensuring precise motion control.
Vacuum Suction Cups: Securely attach to refrigerator doors during testing.
Servo Motor Drive: Provides smooth and programmable door opening/closing operations.
Technical Specifications
Test Samples: Refrigeration appliances (vertical refrigerators with 2 doors on the same side or 1 door)
Equipment Dimensions (W × D × H): 1500 × 1300 × 2000 mm
Equipment Weight: Approx. 250kg
Control System: Programmable with automated operation
Test Actions: Repeated opening and closing cycles with adjustable speed and frequency
Key Features
Fully compliant with IEC60335-2-24 international safety standards.
Realistic simulation of door operations with servo-driven manipulators.
Durable frame structure ensuring long-term reliable performance.
High-precision vacuum suction system for stable door handling.
Supports extended endurance tests for safety and performance validation.
Easy operation through intelligent control cabinet with programmable functions.
Technical Parameters
| Power Supply | AC220V±10%/ 50 Hz-60 Hz, power 3KW |
| Test Station | Single station |
| Control Mode | PLC intelligent integrated control, 7-inch humanized touch interface operation |
| Drive Mode | Servo motor drive |
| Available Sample Type | Sample with 2 vertical doors at the same side or 1 door |
| Clamping Method for Door | Vacuum suction cup, pneumatic |
| Number of vacuum suction cups | 2 pcs |
| Door Open and Close Method | The Vacuum suction cup sucks on the door tightly, then servo motor drives the manipulator back and forth, the speed, angle, test cycles can be set and displayed on the touch screen |
| Door Open and Close Directions | Right or Left |
| Door Opening or Closing Speed | 0-360°/s, can be preset |
| Door Opening or Closing Angle | 0-90°, can be preset |
| Test Times | 0-999999 times, can be preset |
| Load Voltage | 0-250V, adjustable |
| Test Contents | Refrigerator door interlocking device endurance test (IEC60335-2-24:2017) |
| Safety Protection | |
| Power | Leakage protection, overload and short circuit protection |
| Motor | Overload, short circuit protection |
