CN202488801U - Micro power consumption LED light control lamp - Google Patents

Abstract

A micro-power LED light-operated lamp employs a capacitor constant current member, a bridge rectification anode is connected with a silicon controlled rectifier, the cathode of the silicon controlled rectifier is connected with the bridge rectification cathode through an LED assembly, a capacitor C7 is connected with two ends of the LED illumination assembly, the control gate of the silicon controlled rectifier is connected to a pull-up resistor R2 and a drop-down photoresistor Rz through a 100 kilohms resistor, when the photoresistor is illuminated, the silicon controlled rectifier is cut off, a power consumption current is about 30 microamperes, and when the photoresistor is in dark, the silicon controlled rectifier is conducted, the LED is on, and the power consumption is from 2 to 4 watts. The structure is simple, and the micro-power LED light-operated lamp is safe, stable, high-efficient and energy-saving.

Description

Micro power consumption LED light control lamp

technical field

The utility model relates to a lighting device, in particular to a micro-power consumption LED light control lamp suitable for use in corridors and corridors. the

Background technique

In some occasions that require long-lasting lighting, most of them use manual control. Once you forget to turn it off, it will become a constant light. Although there are products that use light control, their own power consumption is too large. Nowadays, energy saving and low carbon are advocated, and a product with low power consumption is required. the

Contents of the invention

In order to overcome the deficiencies of the existing products, the utility model provides a micro-power consumption LED light control lamp. the

The technical solution adopted by the utility model to solve its technical problems: a micro-power consumption LED light-controlled lamp, which is characterized in that: a capacitor constant current element is used, the positive pole of the bridge rectifier is connected to the thyristor, and the negative pole of the thyristor is connected to the bridge through the LED component. Rectifier negative pole, capacitor C7 is connected to both ends of the LED lighting group, and the thyristor control pole is connected to the pull-up resistor R2 and the pull-down photoresistor Rz through a 100kΩ resistor. The SCR conducts, the LED lights up, and consumes 2-4 watts.

The utility model has beneficial effects: the light source and the control circuit are integrated, the structure is simple, the power consumption of monitoring is 30 microamps, and the power consumption is 2-4 watts. Compared with other products, the power saving effect is obvious.

Description of drawings

Below in conjunction with accompanying drawing and example the utility model is further described. the

Accompanying drawing 1 is the schematic circuit diagram of the utility model.

specific implementation plan

In the figure, the TP1 and TP2 inputs are connected to the lamp holder and the power supply. Capacitor C1 is a constant current component, which limits the power supply for LED lighting to below 40mA, which is conducive to the long-term use of Φ5 LEDs. The positive pole of the bridge rectifier is connected to the thyristor. The negative pole is bridged and rectified by the LED component. Using φ5 white LED, three units are connected in series and two in parallel to form a unit group, which is optimized for the discrete characteristics of the LED component parameters. By selecting the series connection of the unit group, it is convenient to form 24 , 36, 42, 48, 60, 72, 86, 92, 98 and other combinations; C1 is the constant current element 0.66μF for LED lighting power supply; capacitor C7 is connected to both ends of the LED lighting group, which has good absorption of high voltage shock and Cutting-edge interference function, the thyristor control electrode is connected to the pull-up resistor R2 and the pull-down photoresistor Rz through a 100kΩ resistor. When the resistance is bright, the thyristor is cut off, and the power consumption current is about 30uA. When the resistance is dark, the thyristor is turned on, and the LED is on. , power consumption is 2-4 watts, simple structure, safe and stable, high efficiency and energy saving. the

Claims (1)

1. the light-operated lamp of little power consumption LED is characterized in that: adopt the electric capacity constant flow element, the anodal controllable silicon that connects of bridge rectification; The controllable silicon negative pole connects bridge rectification negative pole through the LED assembly, and capacitor C 7 is connected the two ends of LED groupings, and the SCR control utmost point connects pull-up resistor R2 and drop-down photo resistance Rz through 100k Ω resistance; Controllable silicon ends the about 30uA of static current of lcd, controllable silicon conducting during resistance in the dark during bright resistance; LED lights, and power consumption is 2-4 watt.

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