New emergency lighting device
A new type of emergency lighting technology, applied in lighting devices, lighting devices, components of lighting devices, etc., can solve problems such as failures are difficult to detect, temperature control, power saving and other technologies are backward, and real-time monitoring of emergency lighting devices is not in place. Achieve high stability and good power saving effect
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[0010] A new type of emergency lighting device, comprising a mains input terminal, an automatic power switching device, an AC-DC transformer, a constant current drive circuit and an LED light source; the mains input terminal is connected to the AC input end of the automatic power switching device, and the power supply is automatically switched The AC output end of the device sequentially supplies power to the LED light source through the AC-DC transformer and the constant current drive circuit; it also includes a charging device, a battery pack, an inverter, a controller, and an audible and visual alarm, and the charging device charges the battery pack The DC input terminal of the automatic power switching device is connected to the battery pack, and the DC output terminal is connected to the inverter, and the converted AC power supplies power to the LED light source through the AC-DC transformer and the constant current drive circuit in turn; the controller includes Temperatur...
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