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Information | Special Requirements for IEC 60335-2-59 and GB4706.76 Standard Insecticides: Chapter 22 Test Requirements Explanation
Author.
LCS
Source:
Post time:
2024-03-28
With the continuous development of the household appliance market, the safety of products has become a common concern for consumers and manufacturers. As an important guide for safety testing of household appliances, the latest version of the standard provides detailed safety requirements for devices such as insecticides. Today, we will focus on exploring the testing requirements in Chapter 22 of the standard to help manufacturers ensure product safety and compliance.
22.6 Drainage hole size
Keyword analysis:
1. Drainage hole: refers to a small hole on the equipment used to discharge internal accumulated water.
2. The diameter should be at least 5mm: ensure that the size of the drainage hole is sufficient for water to be discharged smoothly.
3. The area should be at least 20mm ²： The total area of drainage holes should meet a certain standard to ensure drainage efficiency.
4. The width should be at least 3mm: The width of the drainage hole should also meet the minimum size requirements to prevent blockage.
Testing method:
Check whether the size of the drainage hole meets the regulations by observing and using the IEC 61032B test rod.
22.101 Interlocking switch
Keyword analysis:
1. Interlocking switch: a safety device used to prevent users from coming into contact with live parts during maintenance.
2. Input circuit: Refers to the part of the circuit where the power enters the device.
3. Prevent accidental action: Ensure that the position and design of the interlocking switch can prevent accidental contact with live parts during maintenance.
Testing method:
Verify whether the interlocking switch can effectively prevent accidental contact by observing its position and function, and conducting inspections using IEC 61032B test rods.
22.102 Grille Grounding
Keyword analysis:
1. Horizontal grid: refers to the ventilation or protective grid structure on the equipment.
2. Transformer output terminal connected to easily accessible components: Refers to the possibility that the output terminal of the transformer may be connected to components that are easily accessible to the user.
3. Lowest grid grounding: Refers to the lowest position of the grid on the equipment that needs to be connected to the ground wire to reduce the risk of electric shock.
Testing method:
Confirm whether the lowest grille has been grounded through visual inspection.
22.103 No risk of electric shock
Keyword analysis:
1. Appliance structure: Refers to the overall design and construction of the insect killer.
2. Touching the grille during maintenance: refers to the parts of the grille that may come into contact with during maintenance.
3. No risk of electric shock: Ensure that contact with the grille during maintenance does not cause electric shock.
Testing method:
The instrument is powered at the rated voltage. After disconnecting the power for 1 second, use an instrument that does not affect the measurement value to measure the voltage between the grids, ensuring that the voltage does not exceed 34V.
22.104 Short circuit current
Keyword analysis:
1. Output circuit: refers to the circuit from the power source to the load (such as the heating element of a pest control device).
2. Short circuit current: The current flowing through a circuit when a short circuit occurs.
3. Should not be too large: The short-circuit current should be within a safe range to prevent equipment damage or fire.
Testing method:
Power supply at rated voltage, measure the short-circuit current between two grids and each grid to ground, ensuring that the short-circuit current does not exceed 10mA.
The purpose of these testing requirements is to ensure that the insecticide meets safety standards during the design and manufacturing process to protect users from electrical hazards. Manufacturers should ensure that their products meet these safety requirements during the design and production process.
Conclusion: Chapter 22 of the standard provides clear testing guidance for household appliance manufacturers, ensuring the electrical safety of their products. Manufacturers should strictly comply with these requirements and provide consumers with safe and reliable household appliances through precise testing and quality control.
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