YUANNENGJI LED ceiling light consumes less power, has a long life, is easy to control, maintenance-free, safe and environmentally friendly. It is a new generation of cold light source, more energy-efficient than tubular energy-saving lamps, with high brightness, long light projection, good light projection function, wide voltage range, and the light source can realize LED colorful changes through the microcomputer built-in controller. The material of the ceiling lamp shade is generally plastic, plexiglass, acrylic lampshade, and glass lampshade is rare now.
Ceiling lamps are generally suitable for lighting in living rooms, bedrooms, kitchens, bathrooms and other places; it is more appropriate to choose round ceiling lamps in bedrooms, study rooms and other living rooms; living rooms, dining rooms, etc. choose square or special-shaped ceiling lamps to make the space appear more spacious.
LED ceiling lamps have high luminous efficiency: the luminous efficiency of LED itself is increasing every year. It is expected that by 2020, the luminous efficiency of LED itself will reach 240lm/W or even higher.
Long product life: LED life is 100,000 Std., which is more than 10 times longer than fluorescent lamps after being made into lamps. Even if the highest life of tri-color fluorescent lamps is 10,000 Std., it is more than 5 times longer than fluorescent lamps.
Mercury-free, can provide a variety of color temperatures: provide a variety of color temperature light according to needs, usually warm white light 2700K-3200k, neutral light 3800k-4200k, pure white light 5800k-6500k, the light color is soft. When using expansion bolts to fix LED ceiling lamps, the bolt specifications should be selected according to the product technical requirements, and the drilling diameter and burial depth should be consistent with the bolt specifications.
LED ceiling lamps cannot be installed directly on flammable objects. For the sake of beauty, some families stick paint plywood behind LED ceiling lamps. When installing LED ceiling lamps, the number of bolts to fix the lamp head should not be less than the number of fixing holes on the base of the lamp, and the bolt diameter should match the hole diameter. For lamps without fixed mounting holes on the base (drill holes by yourself during installation), each lamp should be fixed with no less than 2 bolts or screws, and the center of gravity of the LED ceiling lamp should coincide with the center of gravity of the bolts or screws; only when the diameter of the insulating platform is 75mm or less, can 1 bolt or screw be used to fix the LED ceiling lamp.
Before installing the LED ceiling lamp, the cross-section of the wire core leading to each LED ceiling lamp should also be checked. The copper core soft wire shall not be less than 0.4mm2, and the copper core shall not be less than 0.5mm2, otherwise the lead wire must be replaced.
If it does not light up, disconnect the power first, then carefully remove the ceiling lamp housing, and check whether there is any black and dark area on the lamp tube. If there is, it is very likely that the lamp tube is damaged and must be replaced. Check if there is any poor contact. If there is no black or dark area on the lamp tube, you can try to gently tighten the lamp tube joint to see if there is any poor contact. This situation is also a relatively simple operation and is easy to encounter.
Check whether the ballast is intact and whether the contact head of the ceiling lamp has electricity. If there is no electricity, there is a problem with the switch or circuit. If the lamp tube is still intact, then try to tighten the lamp tube joint to see if there is any poor contact. This situation is also a relatively simple operation and is easy to occur. Dann, if none of the above problems occur, you can check whether its ballast is intact, whether there is a burnt smell, and whether the surface of the ballast is black and burnt. If so, it is very likely that there is a problem with the ballast.