There are lights that can be lit right away

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After 90 hours, it will light up, 3 stars. Pat the pat : The phone is on.

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Electric lamp is the conversion of electrical energy into light energy, in order to provide lighting equipment, appeared in the second industrial revolution, its working principle is: the current through the filament (tungsten filament, melting point of more than 3000) when the heat is generated, the spiral filament continues to gather heat, so that the temperature of the filament reaches more than 2000, the filament in the incandescent state, like the red-hot iron can shine and emit light.

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.

Related Notes:

Lighting electric light sources are generally divided into three categories: incandescent lamps, gas discharge lamps and other electric light sources.

The first electric light in China appeared on the eighth day of the fourth month of the fifth year of Guangxu in the Qing Dynasty (May 28, 1879), when the Englishman Bi Xiaopu (J. Bi Xiaopu, who was working in the Bureau of the Ministry of Industry of the Shanghai Public Concession at that time d.In a warehouse on Zhapu Road in China, a 10-horsepower (kilowatt) steam engine was used as the power to drive a self-excited DC generator to generate electricity and ignite the carbon arc lamp, thus announcing that the electric lamp was put into use in China.

It is a physical phenomenon that lamps can emit light. When we turn on the switch of the light and turn on the power, the current enters the bulb through the wire. At this time, the slender tungsten wire will work hard to block the advance of the current, and a lot of heat will be generated during the battle between the tungsten wire and the electric current.

When this heat accumulates to a certain limit, it turns from heat to light, and the bulb lights up.

"An electric current is formed when the charge moves in a directional direction".

Electrons are negatively charged. Positrons have been found in experiments, and their lifetimes are unimaginably short, and a large number of positrons have not yet been found to exist stably in nature.

Lightning is a discharge phenomenon, but it is not the result of "positive and negative electrons colliding with each other".

The incandescent lamp (for the sake of simplicity, just tungsten lamp) is lit because the current makes the tungsten filament hot, and when it is very hot, it emits light (electrons collide with atoms, and some outer and sub-outer electrons jump between different energy levels, accompanied by the absorption and release of photons).

In addition to enlightening lights, there are many other types of light fixtures, including but not limited to:

1.Incandescent lamps: Incandescent lamps are one of the earliest and most common luminaires to be introduced. It uses wire heating to produce light.

2.Fluorescent lamps: Fluorescent lamps are energy-efficient lamps that work by excitrating phosphors through internal discharge, producing visible light.

3.LED lights: LED lights are a new type of energy-saving luminaire that uses semiconductor materials to produce light. They are more energy-efficient and have a longer lifespan than traditional incandescent and fluorescent lamps.

4.Neon signs: Neon signs use exhaust gas discharge to produce visible light and are commonly used in outdoor locations such as commercial light boxes, signboards, and billboards.

5.Car lights: Car lights include front and rear headlights, brake lights, indicator lights, etc. Not only do they provide lighting features, but they also help drivers communicate information to other vehicles and pedestrians.

6.Table lamp: A desk lamp is a small desk lamp that is usually placed on a desk or desk to provide local illumination.

7.Solar lanterns: Solar lanterns are a type of light fixture that collects and stores solar energy through solar panels and then converts it into visible light. They are commonly used for outdoor lighting, such as gardens, parking lots, etc.

These lamps and lanterns have different characteristics and applications, and can be selected according to different needs.

Difference: Military lighting has the characteristics of longer range and stronger penetration, while civilian lighting does not.

Lighting Introduction:

In the year, the British chemist David invented the arc lamp, and mankind entered the era of using electric lighting. In 1906, Edison invented the household electric light bulb using tungsten filament as the filament. Later, incandescent lamps, fluorescent lamps, energy-saving lamps, neon lamps and various high-tech lamps that use high-tech inventions have sprung up on the stage of lighting, which has greatly facilitated people's production and life.

22.The incandescent lamp is the least efficient of all the lighting fixtures that use electricity, and only a small part of the electrical energy it consumes, i.e. 12 18, can be converted into light energy, while the rest is lost in the form of heat energy. As for the lighting time, the lifespan of such lamps usually does not exceed 1000 hours.

At this point, halogen lamps are much longer than ordinary incandescent lamps. The halogen lamp is generally a small quartz glass tube, and compared with the incandescent lamp, its special feature is that the tungsten filament can "self-regenerate".

Types: 1. Chandeliers are suitable for living room lighting. There are many forms of chandeliers, commonly used are conical canopy lanterns, pointed flat canopy lanterns, girdle canopy lanterns, five-flower ball chandeliers, magnolia canopy lanterns, olive chandeliers, etc.

2. Ceiling lamps are suitable for lighting in living rooms, bedrooms, kitchens, bathrooms and other places. Ceiling lamps are commonly used square cover ceiling lamp, round ball ceiling lamp, pointed flat round ceiling lamp, semi-round ball ceiling lamp, semi-flat ball ceiling lamp, small rectangular cover ceiling lamp, etc.

3. Wall lamps are suitable for bedroom and bathroom lighting. Commonly used double-headed magnolia wall lamp, double-headed olive wall lamp, double-headed lace wall lamp, jade pillar wall lamp, mirror wall lamp, etc.

4. Downlights can be installed on the ceiling around the bedroom, living room and bathroom.

5. Long stick fluorescent lamps (fluorescent lamps) and energy-saving lamps without lampshades should not be used in each room.

6. Ordinary bulbs should be configured in the chandelier. The ceiling lamp can be equipped with ordinary bulbs or round, serpentine energy-saving tubes. Wall lamps and table lamps should be equipped with ordinary bulbs. The downlight can be configured with a colored bulb. Ordinary bulbs should not exceed 40 watts; Color bulbs should not exceed 25 watts.

7. The installation height of the chandelier should be not less than one meter from the ground. The installation height of the wall lamp, its bulb should not be less than a meter from the ground. The bottom of the lampshade of the floor lamp should be more than one meter above the ground.

Xenon lamp (high intensity discharge) refers to the high-pressure gas discharge lamp filled with an inert gas mixture including xenon gas inside, without the filament of halogen lamp, referred to as HID xenon lamp, can be called metal halide lamp or xenon lamp, its luminous principle is through the starter and electronic ballast, the voltage is increased to more than 23000V, and the high voltage breaks down xenon, resulting in xenon forming an arc between the two electrodes and emitting light. Xenon lamps are divided into xenon lamps for automobiles and xenon lamps for outdoor lighting.

Xenon lamps are also called HID gas discharge headlamps in the field of automotive lights. It replaces the traditional tungsten filament with high-pressure xenon gas encapsulated in a quartz tube, providing higher color temperature and more concentrated illumination. Since a xenon lamp is a beam of arc light formed by activating xenon gas with a high-voltage current, it can continuously discharge between the two electrodes to emit light.

The power of an ordinary automotive tungsten bulb reaches 55 watts, while a xenon lamp only needs 35 watts, a reduction of nearly one and a half. Xenon lamps significantly reduce the burden on a vehicle's electrical system. The color temperature of the car xenon lamp is between 4000K and 6000K, which is much higher than that of ordinary car headlight bulbs.

It has high brightness, the light color of the 4300K xenon lamp is white and yellowish, due to the low color temperature, the visual effect is yellowish, and the penetration of the light is stronger than that of the lamp with high color temperature, which can improve the driving safety at night and in foggy weather.

Neon lights are relatively bright, there is no brightest statement! Now there is a portable neon lamp type small searchlight, the effective irradiation distance of 200 meters neon lamp is relatively bright, there is no brightest say! Now there are portable neon lamp-type small searchlights with an effective illumination distance of up to 200 meters.

The high-power portable searchlight has a power of 56W for 1000 meters, a voltage of 12V, and a current of about 4A, and a high-power searchlight for vehicles, with a power of about 150W.

The lamp of the sun.

or Aladdin's magic lamp (eye-catching).

Hello :

1. General (multi-LED tube) lamps need to output 12V [high-frequency transformer] to light up.

2. You can go to [local lighting city] to buy, (count the number of LED lamp beads) according to the power configuration.

1 LED lamp beads for lighting are generally white light, the lighting voltage of each lamp bead is generally, 2 The general light strip is 3 - n LED lamp beads in series, in order to get different illumination, will be connected in parallel many times, 3 Please check the number of LED lamp strips in series to know how much voltage, such as 3 lamp beads connected in series about 3 * 4V = 12V....5*4v=20v。。。

4 LED is generally a DC power supply constant current drive,

It seems that a 5V DC power supply is needed, with the red connecting to the positive electrode and the black connecting to the negative electrode.

A cross-current power supply is required to light up.

Morning Travel Lights Up is a feature film directed by Ella Sachs and starring Thor Lindhart, Zachary Booth, etc., released in the United States on September 7, 2012. The film is based on the personal experience of director Ella Sachs and is a film about the gay love land high stool, which won the Teddy Bear Award at the 62nd Nianbi Berlin Film Festival.

Lighting the lamp is called: Lighting the lamp! In ancient times, oil lamps were lit!

Like a kerosene lamp, when a gas lamp lights it, it is called: lighting a lamp. Lighting a candle can also be called lighting a lamp.

Ming Joseon Li Minchen's "Sequel to Mr. Jingting: Chaotianlu": "Junmen (Yuan Keli) said: 'Then the one who burns the palace room clouds, why?'

He replied: 'Where the palace concubines lived, the lamps were lit and caught fire, but the main hall was still there. ’”

1. The light is on - three words;

2. Lights on is a song;

3. It's a book with the lights on;

4. When the lights are on, there are people in the house;

5. You forgot to turn off the light when it is on;

6. I haven't slept when the light is on;

7. When the light is on, it is a call;

8. Turning on the light is a warning, it may be a vehicle turning, or it may be a smoke alarm;

9. When the lights are on, someone is working overtime;

10. Lights on are a unique night view of the city;

11. There's no need to have the time - the lights are - a waste of electricity.

The lights are turned on because they drive away the darkness. The dark corner represents loneliness, and I hope that for the rest of my life, I can always be bright and everything bright!

I guess it's a flashlight on my phone.

If the lights are on, it is night, if it is not dark, the lights will not be used, and if they are on, it will be a waste.

Wei Shen, CEO and General Executive.

There are many things that can be done with lights on in the house.

Lighting, car lights, street lights, lights in the room.

You didn't turn off the lights or you sleepwalked at night.

Waiting for your dear ones! The lonely night man is quieter|

Things, a lot of things glow.