DIY auto repair lamp

In detail: a lamp for auto repair with your own hands from a real master for the site my.housecope.com.

I have long wanted to open Chinese car bulbs and look at their design. By the filling, you can find out the main problems with heat removal from the LEDs and drawbacks in the assembly. Let's open the H11 LED bulbs, this is a car low-beam base. Samples provided by the online store is the only store that writes real characteristics, not Chinese ones.

First, read part # 1 "H11 LED Bulb Review", which measures light and electrical parameters.

  • 1. Characteristics of the H11 autolamp
  • 2. Filling
  • 3. Radiator and ventilator
  • 4. Heat pipe
  • 5. Plates with LEDs

In terms of luminous flux, this autolamp fully corresponds to 3200lm xenon with a color temperature of 5000K. It is equipped with 4 powerful Philipz MZ LEDs, which, after warming up in operating mode, provide 3200lm. It turns out that each diode shines at 800lm. Usually all shops and Chinese lie about lamps, they have any LED equal to xenon. Roughly speaking, two Philips MZ chips will shine at half the brightness of xenon with good cooling, except for a flexible radiator with braided petals.

An analogue of Philips MZ chips is the Cree XHP50 LED, they are similar in luminous flux and power. The main difference is that the maximum crystal temperature of the Cree can be up to 150 degrees, which is 15 higher than that of the competitor.

These bulbs are most often in demand among car owners Mazda 3, Mazda 6. Their optics are lensed, the lens shines better than a reflex headlight. They put it in the low beam, sellers and owners say that it shines with the correct cut-off and good light distribution.

Video (click to play).

Due to the presence of an active cooling system, I do not recommend installing it in foglights (PTF). The part that will stick out from the outside must be isolated from road dirt and dust. Therefore, it will feel good only in the low beam of the car.

This LED car lamp is very difficult to disassemble, it took an hour to remove the plastic protection. It sits on 4 hard-to-reach latches. They had to be ground and cut so that the sample did not lose its presentation. The radiator with the fan is covered with a protective casing made of decent plastic, not fragile.

The wire coming from the driver is shielded with a layer of foil so that the PWM interference does not fall into the VHF range, and the radio works without interference. The current source is powerful enough, the total power consumption at 13.2V is 50W and a current of 3.5 Amperes. The cable consists of 5 wires in a silicone sheath; in the cold, the insulation will not crack like PVC. It turns out for each diode a separate power supply. According to the specification, the Philips MZ chip has 3 supply voltages 3V, 6V, 12V.

When I removed the fan, radiator, twisted the base, the understanding with the LED lamp for the car ended. The ring did not want to be removed, although it moved back and forth by 2mm. To expose its hidden mounts, I had to wipe off the thermal paste. But the white mass turned out to be a sealant.

The H11 car LED bulb is assembled on a heat pipe. It contains a liquid that boils at low temperatures, for example, 70 °.

Image - DIY car repair lamp

Image - DIY car repair lamp

Philips MZ LEDs are mounted on heat-conducting glue. It will be impossible to solder them parallel to each other. The adhesive is abundant and tight to the tube. The only cap on the end of the LED lamp could not be removed, which is after the blue ring. I tried to knock out, as soon as the decorative protection with holes for led diodes will break and wrinkle.

Image - DIY car repair lamp

Image - DIY car repair lamp Image - DIY car repair lamp Image - DIY car repair lamp Image - DIY car repair lamp Image - DIY car repair lamp Image - DIY car repair lamp Image - DIY car repair lamp

Uncovering the Truth About Starled LED Bulbs

Powerful H7 LED bulbs for cars on CREE MT-G2

Revolutionary LED headlights

Sergey, good afternoon! Tell me how the plastic case is removed from these lamps?

Very poorly removable, with damage to the body.

Good afternoon, I plan to buy these lamps on ikstrayl 31 Restayl with halogen lenses. The first question is - will the test be carried out with a xenon lens or a halagen lens? I have a stg without a jackdaw, but as in all galagenic lenses on the curtain there is a tongue for "polite" illumination of the signs and I would like to see how much the illumination above the stg will be "polite" with these lamps or with the tongue on the curtain I will have to do something. 2 - doubt crept in about the originality of the ice, as in the photo of the original (your site "characteristics of MZ diodes", the tracks on the diodes are slightly different.

The lens for these lamps has appeared recently, so I plan to conduct a comparison test with a halogen soon. Although it will be possible to compare with xenon.

These lamps cost more than a year in PTF lenses, everything works fine as well as -40 in winter and up to +40 in summer. In the summer, the lamps worked for 17 hours without turning off in the morning +25, in the afternoon up to 40. There was no way to measure the difference in brightness with high heating, I forgot the light meter at home. So you can put in PTF without any problems, unless of course you are engaged in road driving.

Now I can test these lamps in H11 lensed optics, I recently found a suitable lens. Such lamps cannot be installed in a headlight with a reflector (reflector). How these lamps work, right or wrong, will be shown by the diagram of the distribution of light from the lens. It happens that some powerful lamps shine very badly in the lens, because some of the LEDs are located incorrectly. After installing the PTF, it is necessary to check the cut-off line, the angle of inclination, and adjust them.

Exactly, I forgot to insert a link to the first review of these H11 lamps.

Wed Jul 29, 2014 Image - DIY car repair lamp

Views: 40 554 Image - DIY car repair lampCategory: Do it yourself

Manufacturing of LED lamps and their installation on the example of a Porsche 924 car. This article describes a method of making LED lamps at home with their subsequent installation on any car without unnecessary interference in the design of the car itself, lighting devices and wiring.

This means that everyone, regardless of the make and model of the car, can replace the failed bulbs of the rear lights, direction indicators, instrument panel illumination with new LED ones, using only the base of the old lamp.

Without going too deep into theory, we know that LED lamps consume 80-90% less power than incandescent lamps, while having a comparable luminous flux. This way we reduce the load on the generator and battery, save fuel and protect the environment. A trifle, but nice! Also, LED lamps have a significantly longer service life, reaching, according to Chinese manufacturers, 50,000 hours or almost 6 years of continuous operation. In practice, this figure can be safely reduced by half, or even three times, but still much more than that of Ilyich's bulbs.

Someone might argue that car LED lamps are no longer news. You can safely buy them without throwing away half of your salary. But it just so happened that I ride an old Porsche 924 from 1980. And I love this car, especially since during the entire time of ownership, it has never let me down. Like a woman, she requires regular care and prevention. But modern cold white light with a bluish tint does not suit the rarity. I want the right warm light with a cozy yellowness.

Unfortunately, all LED car bulbs I have come across have a cool white light. But there are LEDs with the correct warm glow, but in bulk, that is, without a base.

So, I bought a hundred 3mm LEDs with the "right" warm glow and 470 ohm resistors to accommodate the car's electrical system.

I confess that my conscience is not clear. One of the backlight lamps on the speedometer has burned out a long time ago. To replace it, you need to disassemble the instrument panel. And this is not so easy to do.View lamp type. Assemble the panel back. Order lamps and wait a month until they are delivered. Then disassemble the panel again and change the lamps. Not a rosy prospect.

My patience ran out when the rear right side marker stopped working. It was a 12V / 5W lamp. Moreover, the evening before the weekend and all the shops are locked.

So I took the burned out llama, removed the glass and the remnants of glue, soldered 5 LEDs with resistors into the base and filled everything with hot melt glue for reliability. Here's what happened.

Image - DIY car repair lamp

Image - DIY car repair lamp Image - DIY car repair lamp

From my point of view, it is not worth connecting LEDs in series (for example, as in the picture).

This will save a couple of resistors, but the power consumption will not change. The voltage in the chain will simply drop. In this case, the entire structure must be placed on a small board of a suitable size. And if one of the LEDs burns out, the rest in the chain will also stop working and the lamp will have to be replaced again. But it will be much better this way ...

Image - DIY car repair lamp

The next day I was not too lazy, took off the steering wheel and disassembled the instrument panel, got to the backlight lamps and safely soldered the LED paired with a resistor into each base.

Image - DIY car repair lamp

Image - DIY car repair lamp

The dashboard now shines like new again.

By the way, each light bulb consumed 1.2 watts of power, and there were as many as 6 of them on the dashboard. Plus one more in the clock, voltmeter, pressure gauge and engine operation indicator. In total, this is already 12 watts. And I have not yet counted 5 W lamps, of which I have replaced one so far, lamps for lighting the trunk, interior, glove compartment, a lamp under the hood and room lighting.

Image - DIY car repair lamp

I spent not so much time on all the work and got a lot of pleasure.

Image - DIY car repair lamp