LED lamps - still nothing more than a new-fangled contraption, obscure and expensive.Many owners like to use these bulbs in their home, but they still stop the price of diode lamps, the lack of variety in local shops and a misunderstanding of the principle of work.But we suggest that you try to compile this interesting source of light with his own hands, after having become acquainted with the device LED lamps, their advantages and benefits.
- energy conservation
- Advantages of energy saving lamps
- simple circuit diode lamps
- advantages of self-assembly
- Making diode lamps
- Tools and materials
- Generation LED circuit assembly and
- bonding LED
- Connecting resistors
- final work
question of energy saving as a result of the global crisis has become even more urgent.In the 27 EU countries in this regard, from September 2009 prohibits the sale of conventional incandescent bulbs, which have a
This year the United States Congress passed a law that states not to use incandescent lamps.According to residents of the United States and the European Union should move to energy-efficient light sources - LED and fluorescent lamps.In Russia, the cessation of production and sales of incandescent lamps is expected in the near future.
LEDs even 10 years ago were only used as indicators, because the power of the light reaches not more than 2 mikrokandel.Today, having high-brightness light-emitting diodes, the power of the radiation that comes to a couple of dozen candelas.Using these high-power LEDs with semiconductor converters, an opportunity to create light sources that are competitive with incandescent lamps.
Advantages of energy saving lamps
advantages of using energy-saving lamps are well known.First of all I would like to recall the low energy consumption, and in addition, and high reliability.Currently, the most common are fluorescent lamps, power consumption which is 20 watts, which provide the same illumination as stovattnye bulb.It is easy to count up that energy savings - up to five times.
into production recently mastered beztsokolnye diode lamps.Technical indicators durability and economy they have higher than fluorescent lamps.Electric power consumed in this case 10 times less than incandescent bulbs.Durability of lamps nakalyvaniya 1000 hours LLES - 4 thousand. Hours, but the durability of energy-efficient diode lamps reaches 50 thousand hours and more.By the way, LLES 4 thousand. Promises hours of not working.
new generation of light sources, of course, are more expensive than ordinary light bulbs.But the need for diode lamps power - much less at higher durability.These two indicators are intended to compensate for the high cost is more than the new lamps.
efficient LED light to date approximates mercury lamps, but the cost varies considerably.But if you close your eyes on the price, to start some pluses.Now there is the possibility of recycling mercury-containing lamps, but the diode model can and throw it in the trash.Modern LEDs allow all interested LSD collect any capacity with any spectrum.
simple circuit diode lamps
the simplest circuit diode lamp includes a minimum number of parts: dropping resistor and only 2 of the diode.The diagram shows that the LEDs are connected in parallel.Each of them is turned on at similar protection against reverse voltages different.Voltage diodes is small and it can not withstand voltage clearly.
In addition, the inclusion of a double increase of up to 100 Hz flicker frequency diode lamp that is not noticeable to the eye and does not tire the eyes.Suffice it to recall that in the hallways conventional lamp is connected in order to save through the diode.
If two LEDs not, you can replace one conventional rectifier diode protecting emitting LED reverse voltage.The direction of its inclusion - like a missing diode.Flicker frequency diode when such inclusion is 25 Hz, that eye already be noticeable.
current limiting resistor should have an impedance of 10 - 11 ohms.And his power shall be not less than 5 watts.It can be composed of three resistors, which have a capacity of 2 W, to reduce the heating.When buying LED diode is necessary to know the brand to determine its nominal direct current.Based on this value, and it is necessary to select the resistor.
design diode lamp collected at the simple circuit does not require you some knowledge: it can be done in the case of a conventional fluorescent lamp unfit.The simplicity of the scheme did not require the circuit board: it is possible to connect parts hinged mounting, so an arbitrary construction.
Benefits of self-assembly
Most LED lamps, which are presented for sale are overpriced properties.Manufacturers often indicate the amount of light from the lamp, simply summing the luminous flux of LEDs, which are included in the design.But this is fundamentally wrong technique.
Any fixture that is intended to limit, guide and shape the flow diagram of light, whether the lens, lens or reflector reduces the amount of light produced by the lamp.For example, the above-mentioned halogen lamps, as a prisoner under the opal diffuser, losing nearly half of the light flux.
is advisable to understand these nuances, so that after the purchase of finished LED lamps were not disappointed.The problem also lies in the fact that sellers are often not able to give on this occasion expert advice.But collecting their own hands diode lamp, you can always be sure that the light source is precisely these characteristics, which you dreamed.
Making diode lamps
To build an LED lamp by yourself, you do not have special skills required.Half an hour of time, desire and some tools - everything you need to get a modern and efficient light source.
Tools and materials
LED lamps are made on the basis of ordinary halogen lamps GU4 (MR11), eventually you get a 12-volt device to use on the street and in the home.For the self-assembly of diode lamps need a halogen lamp (new or burned), with removed glass and LEDs (quantity optional).But remember, working with 22 LEDs is almost unbearable.
When you prepare materials for the manufacture of the lamp, keep in mind that is a very important factor in what kind you choose LEDs.Slightly diffuse light better than unidirectional.Homemade diode lamp will not work best for you with the usual 230 volts and a current source of 12 volts.
After that, look for the Internet online calculator where you can pick up a scheme for the production of LED light bulb is for your power supply voltage and the number of LEDs.Prepare the mounting and super glue.You can basically take any glue that is able to quickly grasp and dry.
Then prepare solder, soldering iron, punch, copper wire and a small piece of aluminum, which has a thickness of 0.2 millimeters is close.For this purpose even a jar from the "Pepsi" approach, if you will straighten a piece of metal cut out of it.What resistors take a look at the generated schema.
Prepare a regular screwdriver and with its help povynimayte white putty, which is seen near the leg lamp.If you put pressure on the putty, it will be great to crumble.Continue to do so, proceed with caution, since the halogen lamp is quite fragile, and it can ruin the strong pressure on the screwdriver.
After a large amount of putty is removed, place the light bulb feet up on the table.Tap on the legs with a hammer, hard, but gently.Halogen light falls on the table and let it remain a reflector.If the lamp remains little white putty, there is nothing wrong - on the contrary, to continue the work it is useful.
aluminum wheels additionally acts as a reflector.To cut it, you will need paper template.These templates are designed to LEDs, which have a diameter of 5 millimeters, and printed in full size.
should print the desired template and cut out the contour of his scissors.Fix the template drop of glue on a piece of aluminum and the contour of the template, cut a circle.After that knock punch holes in it.
generation circuit LEDs
page online calculator that generates a connection diagram of diode lamps, to fill in four fields:
- Power supply voltage: for such lamps, this indicator is usually 12 volts;
- voltage of diode: setting varies for different colors of light-emitting diodes: IR - 1,5, orange - 2 Red - 2 green - 2,2, ultraviolet - 3.3;
- strength of the diode current in mA: as a rule, this number is indicated on the packaging of the LED, otherwise it should be the default supply "20";
- number of LEDs in your device.
After that you will see connection diagram diodes together with resistors.
assembly and gluing LED
Put on some stand aluminum disk.You can take a piece of pipe that fits in diameter.Insert the hole round LED aluminum legs up.Thus it is necessary to make sure that next to the anode of the LED located cathode of another diode - so they are easier to solder.
dripping a little adhesive between the LEDs.Do this carefully so that the adhesive is not got on the leg of diodes, otherwise the adhesive during soldering will almost transparent smoke, which is very harmful for the eyes.Cry, at least an hour may be!
Once on the place you put diodes should take construction adhesive and carefully pour down to the legs LEDs to design into a coherent whole.Before the composition hardens completely, it may take from a couple of hours to days.However, it should wait until it is fully cured.
Then take nogtekusku and trim it with the help of the LEDs legs, do not forget that next to near the cathode of the LED is the anode of the other.The main thing with this - do not mix, which is the cathode, and where - the anode.
Now you need to solder legs.Under the scheme, you will realize how many LEDs should be in the chain.Solder is the number of LEDs in series, minus to plus.At the initial LED, you will be connected to the power supply, leave the long leg "+", the latter - a leg "-".Shorten minus half feet, so as not to confuse the minus with a plus.
As a result, you have soldered together diodes, which stick out from the 6 plus feet long and 6 feet shorter freezing.Now you need to solder the resistors to minus legs.First, you need to solder a plus-feet so that they are all interconnected.This is done in order to plus-feet did not touch any other, otherwise there is a short circuit.
Thereafter minus feet vertically solder resistors.Solder slowly - the tip temperature can destroy LED, near which it is located.Then resistors soldered together according to the diagram - no need to place them vertically, they should be put on LEDs in such a way that the entire structure could fit into the reflector.
in your design will result in two groups of "legs" - minus leg of the resistor and diode plus-feet.They should be soldered on a piece of wire or copper wire to simulate the cap halogen lamps.Take a piece which is soldered to the negative, shorter.If the hand you have a glue gun, glue need to fill all the space between the legs and wires.
Take reflector halogen light bulb from the LED drive and insert it.Places will be enough, if you are all soldered correctly.After that you need to stick to the reflector disc with any construction glue or super glue - glue needed, as much as possible, as this is the only layer of glue, which makes lamp diode one.
After the glue hardens (LED drive keep it all the time pressed against the reflector) on the pedestal lamps write a permanent marker, which is a plus, where a minus, and is designed for a lamp voltage.
Cut the wire or wires in this manner, their length is equal to the length of the legs galogennovoy bulb.And now, you can connect a diode lamp to the power supply, for example, a car battery and check it.This lamp produces much bright light that if a lamp to look at close range, this light will dazzle.
Thus, if you are interested in the problem of energy conservation, it is worth thinking about the use of energy-efficient diode lamps.Of course, you can buy them in a specialty store, but their price has been kept at a high level.Therefore, it is advisable to ask how to make a diode lamp in the home.This process will not take you much time!