2011年10月17日星期一

Why Need LCD AC Adapterfor Your Monitor

AC is short for “alternating current.” Alternating current is how commercial power companies supply power to their customers. The AC adapter takes the alternating current and converts it to Direct Current or DC.

According to the identification in Wikipedia.com, the AC adapter is a type of external power supply, often enclosed in what looks like an over-sized AC plug. It will be seen from the above that LCD AC adapter is an external power supplier for your LCD electronics mainly in laptop LCD monitor or LCD television.

However, LCD AC adapters are not so popular with AC adapter because of its limited utility in LCD monitor for laptops and televisions, which only have some specific customers. Most of customers maintain that I can plug my LCD monitor directly to my wall socket, it’s unnecessary to spend spare money to buy these useless gadgets.

Here I would like to share with you the reasons why should you need a LCD AC adapter for your LCD monitor.
Like the normal AC adapter, a LCD AC adapter has at least 4 advantages as following.

First and most important one, safety – External power adapters can free product designers from worrying about some safety issues. Much equipment uses only voltages low enough not to be a safety hazard internally, although the power supply must of necessity use dangerous mains voltage. If an external power supply is used (usually via a power connector, often of coaxial type), the equipment need not be designed with concern for hazardous voltages inside the enclosure. This is particularly relevant for equipment with lightweight cases which may break and expose internal electrical parts. Therefore, you should pay much more attention to the required Voltage and Current of your LCD monitor, generally speaking, if the Watts form your wall slat is lower than your monitor, there are black or dim screen showing out, which may burn your monitor out thoroughly, a higher Watt LCD AC adapter can deal with it safely and conveniently.

Secondly, reduce heat and cool your LCD screen to some extent. Heat reduces reliability and longevity of electronic components, and can cause sensitive circuits to become inaccurate or malfunction, and even bring a huge damage to your motherboard which may cost you thousands of hundreds of bucks. A separate power supply removes a source of heat from the apparatus. Do not take my word for it, you can check the temperature difference between plug and unplug your LCD AC adapter by your hands.

Thirdly, Electrical noise reduction – Because radiated electrical noise falls off with the square of the distance, it is advantageous to convert potentially electrically noisy AC line power or automotive power to “clean”, filtered DC in an external adapter, at a safe distance from noise-sensitive circuitry. That’s to say, AC adapters come in two different types they are either filtered or regulated. Filtered adapters help prevent line noise from being carried to the television. This line noise can cause lines in your screen and distorted pictures. Regulated adapters ensure that the same amount of current is always being supplied to the television. This helps protect against power surges or any hiccups from your power company.

Fourthly, Widen the range of LCD screen configuration- Externally-powered laptop LCD monitors or LCD televisions can be used with different power sources as needed (e.g. 120VAC, 240VAC, 12VDC, or external battery pack), for convenient use in the field, or when traveling.

What are you waiting, do you want a safe, convenient experience about your LCD screen? Take action now, hootoo.com can meet your needs right now!

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