Corridor LED lamp control circuit
A technology for controlling circuits and LED lights, applied in energy-saving control technology, electrical components, etc., can solve problems such as low sensitivity and waste of electric energy, and achieve the effect of improving sensitivity
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0022] A corridor LED light control circuit, such as figure 1 As shown, it includes AC input terminal 1, resistance-capacitance step-down circuit 2, LED working indicator circuit 3, rectification circuit 4, timing circuit 5, voltage stabilization circuit 6, electrical signal amplification circuit 7, triode control circuit 8, microphone 9 , reference voltage setting potentiometer 10, timing setting circuit 12 and LED lighting fixture 13, the output end of described RC step-down circuit 2 is connected with the input end of rectification circuit 4, the output end of described rectification circuit 4 is connected with voltage stabilizing The input terminal of the circuit 6 is connected, the LED working indicator circuit 3 is connected with the output terminal of the voltage stabilizing circuit 6, the output terminal of the voltage stabilizing circuit 6 is connected with the input terminal of the electric signal amplification circuit 7, and the microphone 9 is connected with the inp...
Embodiment 2
[0025] On the basis of Example 1, such as figure 1 As shown, a time setting potentiometer 11 is also included, the time setting potentiometer 11 is connected to the input end of the timing setting circuit 12, and the power supply circuit supplies power to the time setting potentiometer 11.
[0026] People can adjust the timing time of the timing circuit 5 through the time setting potentiometer 11.
[0027] Also includes a voltage maintenance circuit 14, the output terminal of the triode control circuit 8 is connected to the input terminal of the voltage maintenance circuit 14, the output terminal of the voltage maintenance circuit 14 is connected to the input terminal of the timing circuit 5, and the power supply circuit is The voltage maintenance circuit 14 supplies power.
[0028] The voltage maintenance circuit 14 can prevent the LED lighting fixture 13 from stopping working due to other people passing through the corridor when the LED lighting fixture 13 is working.
Embodiment 3
[0030] A corridor LED light control circuit, such as figure 2 As shown, the RC step-down circuit 2 includes a resistor R1 and a capacitor C1, the resistor R1 and the capacitor C1 are connected in parallel, and one end of the parallel connection is connected to the L end of the alternating current.
[0031] The rectifier circuit 4 is a bridge circuit D1, the other end of the parallel connection of the resistor R1 and the capacitor C1 is connected to pin 1 of the bridge circuit D1, pin 2 of the bridge circuit D1 is connected to the VCC terminal, and the bridge Pin 3 of the circuit D1 is connected to the N terminal of the alternating current.
[0032] The voltage stabilizing circuit 6 includes a triode Q1, electrolytic capacitors EC1~EC2, a resistor R2, a resistor R9, a diode D2 and a light emitting diode VD2, the collector of the triode Q1 is connected to the 4 pins of the bridge circuit D1, and the triode The collector of Q1 and its base are connected in parallel with an elec...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 

