Under what circumstances will the lights flash for a while?

1. The wiring between the switch and the lamp or the live wire is not firm, and the resistance at the wiring will increase if it is loose, resulting in the voltage of the lamp sometimes being normal and sometimes insufficient, and it will sometimes be bright and sometimes dark.

2. The power supply voltage of the power grid itself is insufficient, and this individual cannot solve it.

3. When the switch of the lamp is disconnected, the lamp will still have bright light, not very bright, and it is also flashing, this problem is likely to be that your switch is not connected to the right wire, and it is connected to the following situation:

When you connect the switch to the neutral line, even if the switch is disconnected, the lamp will still carry voltage, and due to the presence of capacitance in the circuit, it will still form a current, so that the lamp can still emit a certain amount of light. The solution is to connect the switch to the live wire, so that after the switch is disconnected, there will be no voltage on the lamp, and no current will be generated.

Under what circumstances will the road flash and the lights will flash in the case of a short circuit, or when the circuit is unstable, you can also ask others.

The reason why it will be meaningful or not flashing for a while, then you should have a fault in this line, such as a short circuit or some virtual connection, which may be caused.

Under what circumstances will the light keep flashing, and when the switch is not turned off, it will keep flashing.

If the line is not in good contact, there will be a flashing light, you can check your switch.

The line will be windy or **, the lights will flash and flash.

In general, it is a case of poor contact, or a little bit of rain, and the weather is relatively humid, which may be the case.

This is often found when the line is in poor contact.

When you get caught in that short circuit, there may be a flash.

You should say that it flashes too fast when you turn it, and there must be a broken light bulb!

The light signal flashes red light, which means that the light signal is interrupted, and the reasons and solutions are as follows:

1. Indoor pigtail.

Connect to the modem. If the connector is loose or the contact is poor, you need to remove the connector and clean it up and plug it back in.

Second, the bending of the indoor part of the optical fiber is too large. Excessive bending of the optical fiber will affect the total reflection of the optical signal in the optical fiber.

Transmission, as long as the fiber is straight.

3. If there is a problem with the optical interface of the optical modem, this situation is a hardware problem of the optical modem, and the only way to repair the optical modem is to send the optical modem to customer service or replace it with a new optical modem.

Fourth, broadband arrears: Broadband services are basically postpaid models, and operators will close broadband services due to customer service arrears for too long, in which case only need to pay off the arrears.

Different fiber access technologies have different application scenarios:

Active optical access technology is suitable for enterprises and institutions with large bandwidth requirements and high communication confidentiality.

access. It can also be used in feeder and distribution segments of access networks, and mixed with other access technologies based on wireless or copper transmission.

ATM PON can be used to solve the access of enterprise users and residential users. Some operators use the "ATM PON XDSL" hybrid access solution to solve the broadband access of residential users or enterprise users.

That's because the lamp head has poor contact, please remove all the lamps after power-off and gently polish them with fine sandpaper, which can be perfectly solved.

Related Notes:

Electric light is a device that converts electrical energy into light energy to provide illumination, which appeared in the second industrial revolution and works on the following principles:When the current passes through the filament (tungsten filament, the melting point is more than 3000), the spiral filament continuously gathers the heat, so that the temperature of the filament reaches more than 2000, and the filament emits light when it is in an incandescent state, just like the red-hot iron can shine.

The higher the temperature of the filament, the brighter the light emitted. Therefore, it is called incandescent lamp, from the perspective of energy conversion, when the lamp emits light, a large amount of electrical energy will be converted into heat energy, and only a very small part can be converted into useful light energy.

The light emitted by electric lamps is panchromatic light, but the proportion of each color is determined by the luminescent substance (tungsten) and temperature. The imbalance in proportions leads to a color cast in the light, so the color of the object is not realistic under incandescent light.

The above content reference: Encyclopedia - Electric light.

1. LED lamp beads do not match the LED drive power supply, normal single full 1W lamp beads bear current: 80-300mA, voltage: , if the lamp bead chip is not full power, it will cause the light source strobe phenomenon, the current is too high The lamp beads can not withstand a light on and off, and the serious phenomenon will burn the gold wire or copper wire built in the lamp beads, resulting in the lamp beads not lighting up.

2. It may be that the drive power supply is broken, as long as it is replaced with another good drive power supply, it will not flash.

3. If the drive has an over-temperature protection function, and the material heat dissipation performance of the lamp cannot meet the requirements, the over-temperature protection of the drive will start to work, and there will be a flashing phenomenon, for example: the 20W flood light shell is used to assemble a 30W lamp, and the heat dissipation work is not done well.

4. If the outdoor lamps also have the phenomenon of strobe on and off, it means that the lamps are flooded. The consequence is that it doesn't light up when it flashes. If the lamp bead and the driver are broken, if the drive waterproof is done well, it is just a matter of breaking the lamp beads and replacing the light source.

It became like this after not coming home for a few days, is it broken?

It is possible that the wiring and the live wire are not connected firmly, which will increase the resistance of the wiring position, causing the voltage to be sometimes normal and sometimes abnormal, and it will flash again and again. It may also be caused by insufficient power supply pressure in the power system, which cannot be solved by itself. After the lamps and lanterns in the home are used for a long time, the sides of the lamp will be red or black, and this situation should be replaced immediately, mainly to avoid the ballasts burning out.

Usually when buying lamps and lanterns, the expiration date will be marked on the lamps, and the lamps and bulbs at home will be replaced on time, which is very helpful for the protection of the entire lamp.

If the lamp flashes and flickers is related to both, one is the failure of the lamp itself, if you find that the lighting fixtures in the home are flickering (when on and off), the first thing that should be thought of is that the lamp is broken, especially if there is only a single lamp in the home, then the possibility of lamp failure is higher. Solution: It's very simple, replace it with a new one.

If the problem persists, then it can be ruled out that it is the lamp itself. 2.Poor contact of the line or lamp (poor contact leads to the burning of the air switch) The poor contact of the line or the lamp itself is also a common cause of the flicker of the electric light.

There are many factors that cause poor contact, such as the virtual connection of the connector caused by the aging of the line at home, the loose connection of the lamp head terminal, etc. For example, if the flashing frequency of the electric light is high and there is a loud sound, it is likely that the strobe phenomenon is caused by poor line contact. Workaround:

Carefully inspect the wiring and lamp head. First of all, disconnect the power supply, start from the wiring of the lower port of the air switch of the lighting circuit in the distribution box, check all the joints in the line, find the connection in the line is not firm, and reprocess it. If the line is aging, it is best to replace it with a new one.

That's all for me, I hope mine can help you.

The flashing of the lamp is a circuit problem, it may be that the voltage is unstable or the lamp beads do not match the driving power supply, the drive over-temperature protection and so on.

1. The voltage is unstable. It may be that the indoor wiring is unreasonable, the neighbors use high-power electrical appliances, their own high-power electrical appliances, voltage deviations, voltage fluctuations, and the rapid growth of electricity demand, and the voltage is unstable and will cause the lights to flicker and flash.

2. The lamp beads do not match the driving power supply. The lamp bead does not match the driving power supply, a one-watt lamp bead, its first disadvantage current is 280mA, and the voltage is volt. If it fails to reach such power, it will cause the LED light to flicker, and it will not take long to cause the internal wires to burn out the electricity, and the light will not light up directly.

3. It is also related to the temperature protection function of the driver, if the heat dissipation does not meet the requirements, it will lead to the problem of flashing for a while and extinguishing for a while when the lamp is running.

What are the precautions for using electric lights:

1. When we use the lamp, don't turn it on and off, frequent switching will speed up the damage of the lamp, and sometimes it will lead to poor contact.

2. When we use electric lights, we must choose LED lights, which are very bright when installed at home, and they are very energy-saving, and the use of ordinary bulbs is very energy-consuming.

Summary. First, it should be that the power cord is long, and as soon as the power supply is started, the voltage behind it is low, so the street lights are flashing and flashing.

It can be like this: 1. Pull another pair of power cords in the back 18 lamps.

2. The front 18 lights are closed, and only the back 18 lights can be confirmed.

3. The front 18 lamps and the rear 18 lamps should not be started at the same time.

Second, the voltage is unstable.

Third, there is a problem with the poor contact resistor.

The specific situation needs to be investigated and maintenance measures are carried out.

Hello, I am sorting out the answer according to your question, please wait a while One, it should be the power cord is long, as soon as the power supply starts, the voltage behind is low, so the street lights are flashing and flashing. It can be like this: 1. Pull another pair of power cords in the back 18 lamps.

2. The front 18 lights are closed, and only the back 18 lights can be confirmed. 3. The front 18 lamps and the rear 18 lamps should not be started at the same time, the voltage is unstable and the third is that there is a problem with the poor contact resistance, and the specific situation needs to be investigated for maintenance measures.