LED string lamp operation state monitoring method and system
A technology of running status and string lights, applied in the field of monitoring the running status of LED string lights, can solve the problems of limiting the number of LEDs, a large number of electronic measuring equipment, etc., and achieve the effect of accurate judgment
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[0044] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. The invention is exemplary and should not be construed as limiting the invention. The following description describes numerous specific details to facilitate an understanding of the present invention. However, in certain instances, well-known or conventional details are not described in order to satisfy the requirement of conciseness of the description.
[0045] refer to figure 1 As shown, a method for monitoring the operating status of LED string lights, comprising the following steps:
[0046] S1. Apply a calibration current Ion to the standard LED string lights, record the voltage Vcal, current Ical and temperature Tjcal of the LED string lights, and obtain the LED current-voltage curve, temperature-voltage rela...
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