The fluorescent lamp ballast is an electronic ballast.Electronic ballast is a type of ballast. It refers to the electronic equipment that uses electronic technology to drive the electronic equipment that requires the required lighting.Corresponding to this is an inductive ballast (or a ballast).Modern fluorescent lamps are increasingly using electronic ballasts, which are light and small, and can even integrate electronic ballasts and lamps. At the same time, electronic zone flowers can usually have the function of the enlightenment. ThereforeGo to the separate Qihui device.
Sunlight Lighting Zeee Repair
The sunlight is broken, it is likely that the electronic ballast is damaged.Because the rectifier filter electrolytic capacitance in the electronic ballast is easy to break through, because the capacitor breakdown will cause a chain reaction, resulting in the breakdown of the rectifier diode and the amplifier tube, it will make a sound and a scorching flavor.The damage of the inductive ballast is generally no sound, only the scorching smell is produced.It is best to replace the new ballast.Before replacing the new ballast, you can try to restart the ballast: reintegrate the ballast wiring, and select one of the wiring wiring.If you have to replace it, the general home fluorescent lamp tube bonus is in the lamp head, and the lamp head is pry open. We can see a small integrated circuit block, that is.We need to cut off the integrated circuit block at both ends of the lamp head and keep the wiring end from the two ends of the lamp.
The fluorescent lamp ballast is good or bad
How to distinguish the quality of the ballast? 1. Look at the appearance. If the ballast is burned, the shell will be black.2. Electric pens detection, incoming line and line end, as well as the shell inlet, the non -electrical explanation of the ballast that causes the ballast to cause the line end of the fuse to short -circuit, the line is electric and the outlet is not electrical.The leakage of the ballast 3. If there is electricity in and out of the line, the shell is not charged, and at the same time, when the light is not bright, it can also be judged by replacing the trigger.If the trigger is changed without lighting, it means that the ballast is broken.
Fluorescence ballast voltage
The role of the ballast is that the self -sensing voltage produced by the touched contact at the time of disconnection is superimposed in the 220V city of electric tubing.The flow container is quite an inductance in the circuit. That is, the lamp tube and the ballaster are connected on the 220V city. At this time, the working voltage of the lamp tube is divided by the ballader and the lamp on the 220V power supply.Compare decision.
Light Lighting Tripper Structure
The internal structure of the ballast: fuse, rectifier diode (4, used for DC transformation), fast recovery diode (3, triode bias, trigger off), trigger diode (high frequency signal), high -voltage power triode pipeline(2, high -frequency switching of power amplifiers), filter electrolytic capacitors (DC power filter), high -voltage capacitors (impedance matching), low -voltage capacitors (composition of resistance power supply with resistance), bright capacitors (and light pipes generate bright voltage), Feedback coil (magnetic ring, winding oscillating coil), inductance (as high -frequency output matching), small resistance (4, used for charging, triode bias, impedance matching).
Light lamp ballast wiring diagram
The working principle and wiring diagram of the fluorescent light sensor (1) When the AC electricity is sent, the fluorescent lamp is a cold lamp, the tube resistance is infinite, and the large current flows to the launcher with a small impedance.Crane, at this time, the current flows through the tungsten wire at both ends of the lamp, and tungsten wires are heated. This time is from 0 to A.(2) At that time, the power supply voltage was zero at the time of time. Since the fluorescent lamp was already a hot lamp at this time, the resistance in the lamp was quite small. At this time, the starter stopped collapse.And after time B, the voltage drop at both ends of the fluorescent lamp is about 122 volts (20W fluorescent lamps), so that the starter will no longer collapse. From then on, the normal work of the sunlight has maintained a certain brightness until the power supply is turned off.(3) From time A to time B, the inductive ballast (inductance) induction voltage at both ends is 220 volts, plus the power supply 220 volts, the total voltage of the two ends of the fluorescent light drops 440 volts, so the fluorescent light needs to be neededBig voltage can start.

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