Q:How do you do routine maintenance of projection bulb?

Avoid pulling out the power directlyThe projector is turned off, the cooling fan will still rely on the power at high speed in operation within a period of time, the main intention to do so, is to make long-term use after the bulb can cool to the lowest temperature, then reduced when the electricThe fan stopped working after natural cooling time of the bulb, so when the user in the use of end projection, advocate to fan stopped completely after the operation, and then unplug the power, so to ensure the projection on each after using, can shorten the naturalThe cooling time, but also directly to extend his lighting effect. Some special needs, that is, the end of the business people, now on the market already has the "on or off" function of the projector, are equipped with a small electrical storage, canCut off the power supply after the fan can be enough to ensure the continued operation until the heat dissipated, it can be cut off the power supply will be the end of the presentation can take the projector.

Q:The assembly of four star projection lights?

Taobao should have a method of assembly, and should have an explanation, although it is in Japanese, but the diagram should be easy to understand, it is recommended to find a folding web site to see what those dashed lines mean when assembling

Q:I have an adult science throughout the sky projector lamps, the lamp is used 2.4V 0.75A light bulb, but is too dark, this is the principle of pinhole imaging, put it in the middle of a large room, the wall will be very dark, SO, I want to change a light bulb, the dry by 2 3V the battery for the electric plug, although can be connected to the home circuit, but the resistance, brightness as battery light bulb can change what? The brighter, the brighter, the better, but the voltage must be enough! More consumption of electricity does not matter, but good results!!! What bulb should I change for?

LED lamp is the best kind of flashlight, if you light a dark point

Q:Who can tell me where to buy projection lights in Baoding?Thank you

Ming Hua computer cityThe Great Wall computer cityAnd there are places that sell photographic equipment

Q:Which scene is suitable for advertising projection lamp?

First media China has mentioned a concept - attention, which is where the user has to look. For example, the corridor corridor, the light is dark, no other advertising grab the audience's attention, this time advertising content is passed by everyone must see, and will remember.

Q:Can translucent light screen be used as projection cloth?

Pattern LOGO projection lamp. It is suitable for the exhibition of Museum Exhibition Gallery Exhibition 2002 - shaped collector performance and shape brand marketing, PUB, KTV, Cara OK, coffee shops, department stores and other advertising market atmosphere will leave people make a special impression, due to the replacement of advertising only need to change the pattern piece without the traditional Poster Sign Making for a long time the price is expensive, the product saves time and money;

Q:When I go shopping to buy, not on the Internet, and almost like this, but there is a sound, but I ask the lights to sell online, they say, without sound, when I bought the clerk tried to give me, the sound can be turned off T-T for help

One switch is to control the main lights and music, and the other is Lantern and rotation, that is, no music, but also lighting effect, then only turn

Q:Who used the romantic four star projection lamp? 160

Oh well, small room has a very romantic feeling, just install more trouble, this stuff is fine, easily broken, buy the best quality and more secure, Taobao ah all shopping websites are available, the price is generally in the range of 15-50, not sure can buy comments.

Q:What is the relationship between the power of projection lamp and luminous flux and luminous efficiency?

Most of the time when the purchase of projection lamp products, will be asked to the power, and the size of lumen flux, because the power of different types are different, the lumen and the flux is also somewhat different, today for everyone on the photoelectric Luddy these data make a simple answer.

Q:What is a projection lamp?

Item name: projection lamp product model: projection lampDetailed descriptionProduct Description: FeaturesThe utility model relates to a double light lens xenon projection lamp, which adopts a new type of automobile lamp matched with the imaging principle of an elliptical reflector and a convex lens, and is used for switching to the near light and high beam through an electromagnetic booster.Safe and reliable in performance, novel in shape, beautifully decorated with angel eyes. Make your headlights more dazzling and cooler!Hi-low xenon project light is a new mode headlight which combine oval reflector with convex imaging theory, it can be switched the Hi and low light by the electromagnetic drive. Safe and reliable features, novel appearance matching with the exquisite angel eyes decoration, make your headlight more shining and cool.The shadow, the cut-off line is clearly visible. Have good light distribution according to laws and regulations, which will not cause glare to vehicles or pedestrians.The, low, beam, clear, the, light, and, shadow, with, obvious, dividing, line, What, is, the, legal, excellent, light, shape, parts, and, will,, be, soft, distinguishes, to, vehicle, passerby., andThere is a concentration of high beam shadow, let the driver more brightness and further irradiation.In, the, middle, of, beam, shadow, There, is, a, focus, block, which, can, high, make, more,, brightness, and, further, irradiation.