After the decoration of the lamp, it is necessary to pay attention to the maintenance of the five laws.

If you don't get the cleaning and maintenance you deserve, then the high-end lighting will soon be dull. As with other furniture, the lamps also need regular cleaning and maintenance to maintain the brightness of the lighting and extend the life of the lighting. The lampshade is dimly lit by dust, and if not treated in time, it reduces the brightness by about 30% on average every year. Therefore, it is especially important to clean the lampshade and the lamp or bulb regularly.

First, after buying the lamp, don't be busy installing it. You should carefully look at the lamp's mark and read the installation and operation manual, and then install and use the lamp according to the instructions. Otherwise, danger may occur;

Secondly, replace the aging lamp with the light source parameters provided by the sign, and find that the two ends of the lamp are red, the lamp is black or there is a black shadow, and the lamp is not bright, the lamp should be replaced in time to prevent the occurrence of ballast. Unsafe phenomena such as burnout of the device;

Third, during cleaning and maintenance, care should be taken not to change the structure of the luminaire, and do not replace the parts of the luminaire casually. After the cleaning and maintenance is finished, the luminaire should be installed as it is, and the parts of the luminaire should not be missed or misplaced;

Fourth, the lamps should be strengthened during use to extend their service life. The lamp of the room should always be wiped with a dry cloth, and pay attention to prevent moisture intrusion, so as to avoid the phenomenon of rust damage or leakage short circuit for a long time; the lamp installed in the toilet and bathroom must be equipped with a moisture-proof lampshade, otherwise the service life will be greatly shortened; Lamps installed in the kitchen should pay special attention to anti-smoke, because the accumulation of grease stains affects the illumination of the lamp; the light-colored lampshade has good transparency, but it is easy to stick to the ash, so it should be diligently wiped to avoid affecting the penetration of light; If the luminaire is non-metallic, it can be wiped with a damp cloth to prevent dust from accumulating and hinder the lighting effect;

Fifth, when using the luminaire, try not to switch frequently, because the current through the filament is higher than the current during normal operation at the moment of frequent startup, so that the filament temperature rises sharply and accelerates sublimation, which will greatly reduce its service life. Therefore, it is necessary to minimize the switch of the luminaire.

special reminder

Moisture can cause rust and paint to fall off, and shorten the life of the luminaire. Therefore, moisture protection is the key to lighting maintenance, especially the bathroom, bathroom lamps and kitchen stove lights, should be installed with moisture-proof lampshade to prevent moisture intrusion, to avoid rust damage or leakage short circuit.

It is best not to wash the lamps with water. Just wipe them with a dry cloth and wipe them with water. If you accidentally touch the water, wipe them off as much as possible. Do not wipe them with a damp cloth immediately after turning on the lights.

Editor: China Lighting Network Pony

Metal Core PCB

Metal Core PCB uses a base metal material as the heat spreader portion of the circuit board. Base metals in the MCPCB are used as an alternative to FR4 or CEM-3 boards for the ability to dissipate heat away from critical board components and to less crucial areas such as the metal heat sink backing or metallic core.

The metal core of the Thermal PCB can be aluminum (Aluminum Core PCB), copper (copper core PCB or a Heavy Copper PCB) or a mixture of special alloys. The aluminum core PCB is most common.

Metal Core PCB


  • Higher thermal conductivity, ranging from 1.0W-4.0W, normally 2.0W.
  • Plated through holes are not available for 1-layer PCB. All components are surface-mounted.
  • Thermal PCB materials provide their own thermal relief. Via drilling, deposition, and plating processes are eliminated.
  • White or black solder mask, white is used for LED boards normally.
  • Thickness variation is limited by available backing plate thicknesses and dielectric sheet thicknesses.
  • Use the same machining as Fr4 PCB , except that v-score must use diamond coated saw blades for the added strain from cutting into metal.


Metal Core PCB has the ability to integrate a dielectric polymer layer with a high thermal conductivity for a lower thermal resistance. They can transfer heat 8 to 9 times faster than Rigid PCB. MCPCB laminates dissipate heat, keeping heat generating components cooler which improves performance and increases life.

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Metal Core PCB

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