How do we solve the problem when the LED light strip is hot?
LED engineering light strips and LED light strips have been widely used in furniture, automobiles, advertising, lighting, ships, bars and other industries.
At present, the commonly used specifications of LED light strips are 12V and 24V. 12V is a 3-string multi-channel parallel structure, and 24V is a 6-string multi-channel parallel structure. Since LED light strips are to be connected for use, each type of light strip can be used. The length of the connection has a lot to do with the width of the line and the thickness of the copper foil when designing.
Because the current intensity that the unit area can withstand is related to the cross-sectional area of the line, if this is not taken into account when wiring, then when the connection length exceeds the current that the line can withstand, the light strip will be damaged due to overcurrent. Heating, while damaging the circuit board, also reduces the service life of the LED.
Because the LED light strip is a series-parallel structure, when a short circuit occurs in a certain group of circuits, the voltage of other LEDs in the same group will increase, the brightness of the LEDs will increase, and the corresponding heat generation will also increase. . It is obvious that in the 5050 light strip, when any chip circuit of the 5050 light strip is short-circuited, the current of the short-circuited light bead will double, that is, 20mA becomes 40mA, and the brightness of the light bead will double. It will become very bright, but at the same time, the heat will increase sharply, and it will burn the circuit board in a few minutes.
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