How to judge if a LED Light is good or bad?


 How to judge if a LED Light is good or bad?

Led light


Reasonable design of heat dissipation, make fine Lights, heat dissipation ability and the matching of the corresponding power. The volume and weight of the heat sink determine the heat storage capacity so that the heat sink always has a large size. The surface of the heat sink determines the final emitting capacity to increase the area, typically creating a variety of columns, meshes, films, and other shapes.

Reasonable design of heat dissipation, make fine Lights, heat dissipation ability and the matching of the corresponding power. The volume and weight of the heat sink determine the heat storage capacity so that the heat sink always has a large size. The surface of the heat sink determines the final emitting capacity to increase the area, typically creating a variety of columns, meshes, films, and other shapes.

The heat sink represents a large part of the cost of the luminaires. Some factories to save costs, save material. So here's the question: how do you judge if a heat sink for a Light works well?

Of course, the direct method is to test the junction temperature of the LED Projection Light work chip. Whenever the temperature control is within the acceptable range, it's fine, otherwise, it's cutting the corners.


 How to test?


The infrared thermal imager is a non-contact temperature measuring device.
Using professional imagers, only the external temperature is visible and the temperature of the chips at the heart cannot be known.
But in general, someone will choose the touch test Lights temperature by hand, how are you?
First, the hand touch LED Light temperature test, itself has no theory of discipline, and after all, different people perceive the sensitivity to temperature is different. However, when the test equipment is not in the field, the touch of the hand can also roughly assess the temperature of the Light, the premise being that the temperature of the Light is lower than the use of the temperature of the Light. The burned hand.
But touching the sink of the head is not hot, not necessarily good.

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