Home >
Optoelectronic Circuits >Optoelectronic Display Circuits > One of the bead-type emergency light circuits
One of the bead-type emergency light circuits
Source: InternetPublisher:MartinFowler Keywords: Emergency lights batteries rectifiers Updated: 2021/12/28
When the mains power is normal, the relay KA is closed, and the bead bubble EL is powered by the mains power after voltage reduction.
At the same time, the battery GB is charged by the mains voltage step-down rectifier . When the mains power fails, KA loses power and is released, and the light EL is powered by the battery
and
lights up.
Latest Optoelectronic Circuits Circuits
- One-digit display
- TEC laser diode driver circuit
- Audio level LED and digital dual display circuit
- battery charging circuit
- Low illumination amplifier circuit
- Lighting sound-activated switch circuit using thyristors Part 3
- Mains undervoltage and overvoltage protection circuit 2
- Fluorescent lamp electronic ballast circuit 11
- Temperature control alarm circuit
- Mains undervoltage and overvoltage alarm circuit 2
Popular Circuits
- GCA-60 (0-36, 0-72) silicon rectifier charger circuit
- GCA-30 (0-36, 0-72) silicon rectifier charger circuit
- Three-phase rectifier intelligent control module internal wiring
- Synchronous operation circuit of two AC commutator motors
- Power outage emergency lights (4)
- Power outage emergency light (1)
- Power outage emergency light circuit (3)
- Practical emergency light circuit (2)
- Practical emergency light circuit (1)
- Asynchronous motor thyristor rectifier energy consumption braking circuit
京公网安备 11010802033920号