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[2015-07-15]
In recent years, household electrical appliances is becoming more and more popular, increasing variety of household appliances, many young people have the opportunity to use and exposure to televisions, radios, stereos, computers, washing machines, electric rice cooker, microwave oven, air conditioning, in daily life, older high school students sometimes will also begin to change the bulb. Install power outlet, plug. If you do not have the basic knowledge of electrical safety, it is possible to electric shock, leakage and electrical fires and other accidents....
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[2015-07-14]
The incandescent lamp in the family, park, square, street, you could see, a bayonet and screw two. The lamp comprises a lamp holder, the filament and the glass shell is composed of three parts. The filament is made of metal tungsten with very high melting point (3410c), so it is also called tungsten filament; glass shell is pumped into vacuum, high power lighting is also filled with inert gas. When current passes through the filament, the filament is heated, and the heat is in the form of an incandescent state (the temperature is above 1700c) and a bright light is emitted....
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[2015-07-13]
The neutral wire and ground wire these two are different concepts, not one thing, do not exchange or mixed.the ground potential is neutral, is the nearest ground, neutral wire to ground potential is not necessarily neutral. The neutral wire is in the nearest substation, and the local ground may have a potential difference.Sometimes people advised the neutral wire. When the wire is electric, but when the device is not working, it may be neutral wire, from the point of the device near the end of the neutral wire is with 220V, and the same as how to distinguish between neutral wire and ground wire....
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[2015-07-11]
At that time, we do not going to night classes, at around five o'clock in the afternoon on the school, but for our children in the countryside, after school, no time to learn, but mowing manure gleaning, help parents to save workpoint. In the evening, we gathered in a village or after the village of the village to a learning. Then is the era of the planned economy, kerosene to according to the purchase of the ticket, so the study group must each take turns giving a kerosene lamp for your lighting. Four or five people lying on the table, a kerosene lamp yellow flame in our breath and talk about swaying fibrillation. Due to incomplete combustion of kerosene, flame emission of black smoke is in us breathe and speak crept into our nasal cavity and throat, the end of the study, hand to pull the nose, fingers are black ash, cough, phlegm are black. Due to the dim light, we use is a pencil, had to light a closer, when heard the buzzing sound and charred taste, just know hair cap flames until 1975, our home also lived the herringbone huts, but to my learning, parents do everything possible to bought a hood lamp....
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[2015-07-11]
The classification and the function of downlight:
Generally speaking,the recessed downlight, it more decorative,downlight have three size,large (5 inches),middle (4 inches) and small (2.5 inch). A horizontal or vertical lamp plug two, inserted vertically inserted a little expensive than the price. See general downlight are installed in the ceiling from the ceiling in general application position, the need for more than 150mm can be loaded. Of course there are external type lamp. In no lamps and chandeliers of regional mounted downlight is a good choice, light with respect to the spotlight to soft downlight applicable places: a large office, conference room, department stores and specialty stores, laboratory, airport and some civilian room....
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[2015-07-11]
Childhood with my father in the army to work in rural areas, located in Yimeng Mountain Area in a poor mountain village block. In my sixties initial memories, when night fell, Kang on the stove and a small oil kerosene lamp lights, the whole family around such as beans lights, side! A homely, busy dig up some peanuts, rub the housework, such as corn, live, the mother began in front of the kerosene lamp in sewing. I always can't wait to turn off the lights in the dreamland, sometimes wake up, the mother is still in front of the kerosene lamp busy, if you wake up and see the house is dark, scared crying loudly, until the LORD put the light of the kerosene lamp. In my young heart, small kerosene lamp lights is so amazing and wonderful now urban and rural night, everywhere is a light in the world, in the sea of light, showing a warm, rich, gorgeous beauty. Household bulbs is gem colorful, people can according to different preferences of kerosene lamps to choose and adjust the settings different light, brightness and color. All kinds of different lighting not only for the decoration and lighting, but also add a lot of warm and romantic atmosphere. Night, in bright as the day of the home, in the brilliant lights, Ambilight in markets, often evoke my memories of memories of childhood is a small oil kerosene lamp in kerosene lamp is coarse pottery, a lamp holder and a lamp bowl, kerosene lamp bowl put on a Wang soybean oil, immersed in a sliver wick, after will be ignited such as peanuts, lights, a long time to add oil, dial to soot and replaceable wick. Every year to meet the holidays or home to the guests, parents will point out the candles, candles like the torch, the light of the bright room. The first candle is the village with sheep oil as the main raw materials of, not too easy to ignite, and will often destroy and later from the city bought a called "wax" candle is better. Since the road to the village outside the rugged road widening, the villagers' lives have changed....
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[2015-07-10]
KTV light belongs to a class of stage lights, and interior decoration of general KTV rooms have personal requires, so there are a great deal of KTV operators in order to continue to keep up with the occasions trend, frequently to KTV local or re decoration, which also gave birth to the KTV distinctive device belongs to, KTV light belongs on the KTV personal rooms, lighting and sound. Perform a position in building an environment.
Environmental lighting, LED lighting par lamp, energy saving lamp, wall lamp, pendant lamp, table lamp, explosion-proof lamps, ultraviolet lamp and so on, ambient lighting results.Decorative, this kind of backdrop, channeling LED lights, light socket, LED guardrail tube, LED light bar, LED floor brick, acrylic light boxes and so forth, environmental decoration KTV light attributes: KTV lamp characteristic is decided through the traits of KTV, general KTV rooms every day to steady business about twelve hours, very long time use, the effectiveness of lamps and lanterns proposed very higher needs, so KTV lamp have to be resilient....
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[2015-07-09]
Now gradually into the LED lighting era, LED lamp brightness higher, longer life, no pollution, green has become the first choice for home lighting. To create a healthy, comfortable home lighting environment, from the decoration of the lamp to start. What types of LED lamps are there? How to choose the right LED lamps? Prior to the renovation, a comprehensive grasp of these knowledge is very necessary. Today for everyone to universal, for decoration reference led ball bubble lamp: that is, led ball bulb, is used to replace the traditional incandescent lighting and U type energy-saving lamps, LED lights the most widely applicability. Now the LED bulb has been able to achieve the full plastic design, lower price, James led ball bubble lamp, 3W, 5W, 7W, 9W four wattage by full plastic design, higher price compared to the previous products, household decoration for most appropriate nevertheless. Bulbs to light products, we often say that the change "lighting" generally refers to the change of light source products, James ball lamp which using general E27 lamp holder, or directly to the lamp holder is connected to the lamp holder....
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[2015-07-09]
When the only take a look at the books, or an incandescent is superior, if would be to look at the images, color pages, or uncommon earth fluorescent lamps (energy-saving lamps) that superior. Incandescent light bulbs 60W, don't acquire too much power, energy is also significant, as well bright for the eyes....
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[2015-07-08]
Metal halide lamps are concerned with the high luminous efficiency, small size and wide. the lamp holder is cheap.This paper tries to introduce a brief introduction to the metal halide lamp....