What are the testing procedures and implementation standards for kettles?

I. Testing process
1. Appearance inspection: Check whether the surface of the kettle has scratches, cracks, stains and other defects to ensure that the appearance meets the requirements.
2. Dimension and structure inspection: Measure whether the size of the kettle meets the design requirements, check whether the structure is stable, and whether the connectors are firm.
3. Electrical safety performance test: Detect insulation resistance, withstand voltage performance and leakage current to ensure safe use.
4. Heating performance test: Evaluate the heating speed, energy efficiency and temperature control accuracy of the kettle.
5. Material performance test: Detect the heat resistance, corrosion resistance and environmental protection performance (such as heavy metal content) of the kettle body material.
6. Service life assessment: Evaluate the service life and performance degradation of the kettle through continuous operation test.
II. Implementation standards
1. National standards: such as GB 4706.1 “Safety of household and similar electrical appliances Part 1: General requirements”, GB 21456 “Energy efficiency limit values and energy efficiency grades of household and similar electric kettles”.
2. Industry standards: such as QB/T 4401 “Electric kettle”.
3. International standards: such as IEC 60335-1 “Safety of Household and Similar Electrical Appliances Part 1: General Requirements”.
III. Testing equipment
1. Electrical safety tester: used to test insulation resistance, withstand voltage and leakage current.
2. Heating performance test equipment: such as power meter and temperature recorder, used to evaluate heating speed and temperature control accuracy.
3. Material performance tester: such as hardness tester and corrosion resistance tester, used to test the physical properties of materials.
4. Life test equipment: used for continuous operation test and evaluation of service life.
IV. Test report
1. Data recording: record various test data in detail, including electrical safety performance, heating performance, material performance, etc.
2. Result analysis: analyze the test data to evaluate whether the performance of the kettle meets the standard.
3. Conclusion and suggestions: make improvement suggestions based on the test results to help companies optimize product design.