A Comprehensive Overview of IEC60065 Dielectric Strength Test Apparatus

The electric strength test apparatus mainly detects the insulation performance of electrical equipment, materials, and components. We apply a certain voltage for a specific time to the test object to determine whether it can withstand the specified voltage without abnormal phenomena such as breakdown or flashover.

1. Structure of the Dielectric Strength Test Apparatus

The IEC60065 dielectric strength test device consists of the following main components:

Insulation base: Provides stable insulation support for the equipment to ensure that no accidental conduction occurs during the test.

Test voltage terminal: Used to connect the high-voltage tester to apply the test voltage to the material under test.

Metal frame: Provides structural support and ensures that the equipment is grounded.

Test pins: Includes 6.8mm/50g test pins and 5mm/100g test pins, which are used to simulate the pressure on the insulating material in actual use.

2. Working Principle

The working principle of the dielectric strength test device is to detect the insulation performance of the material under specific conditions by applying a high voltage to the material under test. The specific steps are as follows:

First, apply the test voltage to the material under test.

Then, gradually increase the voltage to observe whether the material can withstand the specified voltage value without breakdown.

After that, after the test is completed, measure the insulation resistance to ensure that it meets the standard requirements.

In addition, the device usually needs to be used in conjunction with a withstand voltage tester to provide precise voltage control and measurement functions.

3. Operation

Preparation: First and foremost, place the medical equipment on the insulating base and ensure it is properly connected to the test device.

Connection: Next, connect the high-end and low-end of the leakage current tester to the respective terminals on the test device.

Initial Setup: Subsequently, set the initial test voltage, typically not exceeding half of the specified test voltage.

Voltage Application: Then, gradually increase the test voltage to the full specified value and maintain it for the required duration, usually 1 minute.

Measurement: Finally, measure the leakage current during and after the test. If the leakage current remains within the specified limits and no abnormal conditions are observed, the equipment is deemed to comply with the safety standards.

4. Application:

IEC60065 dielectric strength test equipment is widely used in the following fields:

- Household appliances: such as TVs, audio equipment, rice cookers, etc.

- Electronic equipment: such as power adapters, chargers, LED lamps, etc.

- Insulating materials: Electrical strength test of thin insulating materials such as plastics, rubber, and films.

5. Maintenance

Proper maintenance of the dielectric strength test device is essential to ensure its accuracy and longevity. Regular maintenance tasks include:

Cleaning: Wipe the device body with a soft cloth dampened with alcohol or anti-rust oil to remove dust and contaminants.

Lubrication: Regularly lubricate moving parts and bearing positions to prevent wear and ensure smooth operation.

Calibration: Periodically calibrate the device to maintain measurement accuracy and reliability.

6. Conclusion