Household UV disinfection lamps work by emitting UV light that destroys the DNA or RNA structure of microorganisms, thereby achieving sterilization and disinfection. To ensure their effectiveness and safety, daily maintenance is essential. Below are specific maintenance methods:

1. Preparation Before Use

l Check Equipment Integrity: Before each use, carefully inspect the UV disinfection lamp to ensure the lamp tube is free from cracks, damage, or stains. The lamp tube is the core component for ultraviolet emission—any damage can affect the disinfection effect or even pose safety hazards. If the lamp tube is damaged, stop using it immediately and replace it with a qualified new one.

l Clean the Disinfection Environment: Before turning on the UV disinfection lamp, ensure the area is clean and tidy. Remove any obstacles that might block the UV light, such as clutter or thick curtains. Since UV rays have limited penetration power, obstructions can weaken the light intensity and reduce disinfection effectiveness. Also, keep the room dry—high humidity may impair the UV sterilization effect. It is generally recommended to keep indoor relative humidity below 60%.

2. During Use

l Follow Operating Instructions: Always operate the UV disinfection lamp strictly in accordance with the user manual, including setting appropriate disinfection time, distance, and other parameters. Different types of UV lamps may have different application scopes and operational requirements—for example, some are suitable for small-area localized disinfection, while others are designed for larger spaces. During disinfection, personnel must leave the area to avoid direct exposure to UV radiation. Overexposure can cause skin redness, pain, peeling, and even lead to skin cancer. The eyes are also vulnerable, with potential injuries such as photokeratitis.

l Avoid Frequent Switching: During operation, try to avoid frequently switching the UV lamp on and off. The lamp tube experiences a large current surge when starting up, and frequent switching will shorten its lifespan. If you need to pause disinfection, it’s best to do so after the lamp has operated steadily for a period. Allow sufficient time between shutdown and restart.

3.Post-Use Maintenance

l Turn off the power promptly: After the disinfection period ends, promptly switch off the power supply to the UV disinfection lamp. Avoid keeping the lamp powered on for extended periods, as this not only wastes energy but may also cause the lamp to overheat, affecting its performance and lifespan.

l Ventilation: UV disinfection may generate a small amount of ozone, which has a pungent smell and can irritate the respiratory system. After disinfection, open doors and windows to ventilate the space. It is generally recommended to ventilate for 15–30 minutes to ensure the ozone has fully dissipated before re-entering the room.

4. Regular Maintenance

l Clean the lamp surface: Regularly wipe the surface of the UV lamp with a clean soft cloth or a dedicated lamp cleaning cloth to remove dust, stains, and other debris. Be gentle during cleaning to avoid scratching the lamp. For stubborn stains, a small amount of alcohol can be used, but take care to prevent any liquid from seeping into the lamp. In general, cleaning is recommended every 1–2 weeks.

l Inspect the power cord and plug: Regularly check the power cord and plug of the UV disinfection lamp for any signs of damage, aging, or looseness. If the power cord is damaged, replace it promptly to avoid electrical hazards. Ensure the plug is firmly connected to prevent issues such as overheating or sparking caused by poor contact.

l Replace aging lamps: UV disinfection lamps have a limited lifespan. Over time, the UV output intensity will decrease, reducing disinfection effectiveness. Typically, the lifespan is around 8,000 to 10,000 hours, though actual longevity may vary depending on usage frequency and environmental conditions. It is recommended to periodically use a UV intensity detector to check the output. When the output falls below 70% of the original level, replace the lamp promptly.

5. Storage Precautions

l Store in a cool, dry place: If the UV disinfection lamp will not be used for an extended period, store it in a cool, dry, and well-ventilated location. Avoid direct sunlight and high temperatures, as UV rays and heat can accelerate aging and reduce lifespan. Keep the lamp away from flammable or explosive materials to prevent accidents.

l Properly store accessories: Keep all accessories, such as the remote control and instruction manual, together with the main unit in a safe place for easy access when needed.