In this review, we will test automotive LED low beam H7 lamps; this base is the second most popular after H4. Samples were provided by the online store http://cool-led.ru which is the developer of CL6 and produces at a Chinese factory. I have long wanted to test this model; in my opinion, they optimally combine 2 types of passive cooling. The rigid radiator was combined with a flexible tape radiator, which will equate it in efficiency closer to active systems cooling.

Where can I buy?

Cool-Led.ru

• 1. Read “CL6 H7 test in Duster headlight and lens”
• 2. Where to buy?
• 3. CL6 Features
• 4. Dimensions
• 5. Design
• 6. Comparison with Philips
• 7. Luminous flux
• 8. Main characteristics of LED chips
• 9. Mass
• 10. Power consumption
• 11. Power supply
• 12. Low beam heating
• 13. Connection in the car
• 14. Ripple factor
• 15. Results
• 16. Read “CL6 H7 test in Duster headlight and lens”
• 17. Where to buy?

Characteristics of CL6

Structurally car lamps H7 (led headlight) are made using filament imitation technology with Philips Z ES LEDs. Lights are produced using the same technology, but their design is 2 times more complex.

The size of one such diode is 2mm by 1.6mm. There are 3 pieces on each side, essentially these are copies of the original Philips diode bulbs. To do this, you only need to copy the location of the 3 ice elements, and we get the branded characteristics. Cooling can be done in any way, collapsible or monolithic.

For a visual comparison, the table shows the parameters of the standard H7 halogen. Ideally, the sample should have measured performance no worse than that of halogen.

Parameter	Measured	Standard halogen
Luminous flux per 1 piece.	2214lm equivalent	1500lm
Power	20W	55W
Colorful temperature	5000K	2700K
Supply voltage	7-32V	12V
Dimensions	160x42mm.
Heat	120°	up to 350°
Life time		550 hours
Guarantee
Purpose	head light, connector PX26d
For tests uses a voltage of 13.2 Volts

The low beam H7 LED lamp tested can be installed in the high beam and fog lights, PTF.

In samples Colorful temperature about my favorite 5000K, does not yellow and without a bluish tint, the most optimal.

Dimensions

Head part standard sizes, like other models. Total length 160mm, rigid part 82mm.

Which H7 lamps to choose?

A large number of readers ask which lamps to choose and where is the best place to buy. If you are interested in high-quality and proven H7 LED low beam lamps, I recommend the trusted online store www. netuning.ru I checked 63 stores for LED lamps and only cool-led.ru and netuning.ru employ specialists who have expensive equipment for testing automotive LED lamps. The store will select the right lamps for you, or you can contact me.

Design

All the elegance of the design is given by 6 woven ribbon loops that stick out from the body of the sample.

Tape sizes:

• length 80mm;
• width 14mm;
• thickness 2.2mm.

Of course, the heat removal system is a bit long, but it’s better than a fan. This feature can be solved quite easily. In the same store, buy larger lids for sealing, they cost 300 rubles. And there will be no difficulties with installation.

Comparison with Philips

Compare with the original Philips H11

The difference from Philips Ultinon diode headlight lamps is improved heat dissipation. The number and model of LEDs are the same. Any most efficient system heat removal will work poorly if assembled poorly. Therefore, in the next review we will analyze the samples and examine them for defects. If detected, you can eliminate it with a needle file and thermal paste. In my experience, more than 50% of LED lamps for the home require modifications; even LED spotlights have to be rebuilt.

In reflector optics designed for focusing for a filament, the location of the simulated filament plays an important role. The most advanced technologies that undergo certification are based on imitation.

Light flow

Preheat for 60 minutes at room temperature until operating mode. Voltage 13 Volts. We take measurements in a photometric ball with a USB interface.

Main characteristics of LED chips

From technical characteristics Let's consider only the number of lumens. The rest can be read in a separate review.

Weight

The samples are quite massive compared to other models. Often, thin covers are placed on the aluminum plate or heat-conducting tube to hide the heat sink. In the tested model they are monolithic cast and are part of a rigid radiator.

Power consumption

We will measure power at a voltage of 13 Volts. For example, Osram tests diode auto lamps at 13.2V. The measured power consumption was less than 20.6W. It depends slightly on the supply voltage, as the driver efficiency changes. There are no ripples at all, which means it copes well with the load.

power unit

It is stated that the driver stabilizes the current in a fairly large range, from 9 to 32V. My power supply with a USB port now produces a maximum of 18 volts and this is enough to check stability.

Low beam heating

To measure temperature we will use a pyrometer and a thermocouple. The dimensions of the thermocouple are well suited for measuring the heating of Philips LEDs. For maximum accuracy, the sensor was warmed up for 30 minutes at each point. The LED H7 car light bulb itself warmed up for 60 minutes.

The heat dissipation system showed very good results, this will increase the service life. They will last longer than the original Philips Ultinon with the same number of LEDs. The difference between the diodes and the hard radiator is very small, only 24°. I've seen this difference of 60-80°, right there big problems. The tape is correctly connected to the body, the difference is only 2°.

Of course it depends external environment. In cold regions of Russia they will work much longer. IN middle lane In Russia the average annual temperature is +2°.

Connection in the car

Standard car connectors are used for connection. In our case, the plug is similar to the contacts of an LED light bulb. There is a marking on it indicating the polarity of the contacts.

Ripple factor

Radex Lupine device

We will measure the pulsation coefficient using the Radex Lupin device. This parameter will show the flicker strength of the light and indirectly characterizes the quality of the current source. If you saved money or didn’t work enough, it will be visible. Measurements showed pulsations of 1.5%, that is, they are completely absent. The frequency spectrogram is absolutely flat, there are no peaks.

According to the manufacturer, the power supply has been modified and tested for electromagnetic radiation. It often happens that the VHF range on the radio starts to hum due to interference from the driver. This has been eliminated in the sample being tested.

Results

LED bulbs H7 CL6 performed very well, heat dissipation is very good, this does not happen often. Measurements of the cut-off line and control points according to GOST showed some of the best results. Among the 17 models tested with the H7 socket, only 3 worked well in the reflector, and the CL6 H7 is one of them. Therefore, I recommend purchasing, it is the best option for a reflector headlight.

Read “CL6 H7 test in Duster headlight and lens”

Where can I buy?

You can only buy lamps in the store Cool-Led.ru

in others they are not sold because this store is the manufacturer.
Get a 3% discount by entering the discount coupon "ledobzor"

Pros:

1. LEDs heat up no higher than the permissible 135°, at environment at 23°;
2. performed well in headlights, the cut-off line is excellent;
3. The heat dissipation is well thought out, and heating measurements showed no defects in the assembly.

Any car enthusiast knows the importance of low-beam lighting in a car. It is designed for a full overview of the road section directly in front of the car, as well as the roadsides at night. The low beam should be bright enough, comfortable for the eye, but at the same time in no way dazzle drivers of other cars, especially those coming towards you.

The following types of lamps are installed in the headlights responsible for low beam:

• halogen;
• xenon;
• LED

Application Led lamps in car headlights

Today, the undisputed leader is halogen lamps. They are traditionally used by most motorists because they provide the optimal balance of quality and cost.

However, if you look into the future, diode lighting sources look more promising. They are already installed in some headlight models today, but this phenomenon cannot be called widespread.

There are two types of near-vision LED lamps in cars:

LED lamps The first type is used in car headlights with a combined design of near and far vision. LEDs are used in cars for separate low and high beam designs.

H7 LED Bulb Design

Advantages of LED lamps for low beam headlights

As already mentioned, today there is every reason to talk about the high prospects of LED bulbs in low-beam headlights. If you make a list of all the positive factors, it will look like this:

1. High operating efficiency, allowing you to preserve battery charge and fuel reserves.
2. Long service life.
3. Good resistance of LED bulbs to shaking and shock loads - this is a very important quality for a car.
4. Excellent and stable performance in any temperature conditions.
5. Absence high temperature heating, which makes it possible to use LED lamps in plastic headlights.
6. Stability of the light beam.
7. Pleasant and comfortable to the eye White light.

Comparison of LED and halogen lamps

However, along with the advantages, LED lamps also have their disadvantages:

• due to the high cost, not everyone can afford them;
• diode lights do not provide point light - for competent and correct adjustment To achieve a light beam in car headlights, you must use special lenses.

As you can see, the list of advantages is much longer and more significant. This is precisely what gives reason to talk about the prospects that diode lamps can boast of.

Today there are already headlights that use diode lighting sources, where there is no separation between light bulbs, optics and reflector. Practice shows that they are quite effective, as they have been well received by consumers. Their light allows for a better view of the road at night.

H4 diode light sources - characteristics

H4 LED headlights are installed in car headlights with a combined low and high beam system. Their design combines two high-power diodes: one provides low-range, the other - high beam. Diode elements, or more precisely, their sizes, significantly affect the quality of the review. How smaller size, the brighter the light.

H4 LED Bulb Design

When choosing LED elements of this type, you need to focus on the following indicators which must be observed:

• high-range lighting brightness - 1500 lumens;
• brightness of close lighting - 1000 lumens;
• power - 17 W;
• mandatory presence of a cooling system.

H7 diode light sources: description

H7 diode light sources are designed for use in headlights with 4 lamps, that is, where the near and high beams are separated. The H7 provides a constant, unchanged distance from the flange to the LED elements, which replace the filament. This constant gives exactly that the right light, which is pleasing to the eye and provides a high-quality view of the road.

Comparison of LED and halogen low beam lamps

Their design uses a system of matrix diodes - this technology makes it possible to consume little energy resources for full operation.

H7 diode light sources are used both in car headlamps and fog lights.

How to choose LED bulbs for low-vision headlights

Today's market offers consumers the most different kinds LED products for cars. To make the right choice, you need to know the criteria. Here is a small list of what you should be interested in at the time of purchase:

1. Compliance with all standards and requirements.
2. Beam brightness and spectrum color.
3. Light beam size.
4. Work stability.
5. Compliance of technical characteristics with the requirements of your car.

LED elements for cars are a very promising type of lighting. But when choosing, you should pay attention to who produced them. No one will argue with the fact that among products of famous brands, defects are much less common - well-known companies care about their reputation.

You should not chase cheapness - the choice should be very responsible. Your safety is not a factor you should skimp on. Therefore, more expensive products from well-known companies will give more confidence that visibility on the road at night will be provided properly.

Conclusion

LED light sources have a great chance of becoming the most common type of close-view flashlights in the future. They are characterized by high efficiency, convenience, durability and high performance characteristics.

There are factors preventing wide application systems of this type.

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LED lamps for cars are superior to halogen lamps and traditional incandescent lamps in almost all performance indicators. For this reason LED lighting can now be seen on many vehicles.

1

Light-emitting diodes (LED bulbs) enable owners of cars and trucks save on fuel consumption and energy consumption, and also give your car an original appearance. Such lighting operates without significant heating. Thanks to this, the likelihood of melting of plastic structural elements of vehicles is minimized, and the coating (galvanic) applied to headlight reflectors never fades. LED lamps for cars are different increased brightness. They produce much more light per watt of power.






LED lamps for cars

Depending on the type of LED bulb, the light emitting flux can increase by 2–4 times. Compared to xenon lamps, diodes are less demanding to use. You can safely handle them with your hands - there will be no marks left on the flask. Another important advantage of LED bulbs is their high reliability. Car lights will consistently illuminate the road even in cases where one or more diodes burn out. At the same time, the light sources under consideration are characterized by low sensitivity to changes in the characteristics of on-board electrical networks and they completely lack the flickering effect that irritates many drivers.

It should also be noted that it works great in conditions of high humidity, and also has an increased resistance to vibration. Any car owner can install such lighting on his car. There is no need to contact car service specialists and pay for their services. Replacement standard lamps on LED is performed independently and without any serious difficulties. Only in some cases it is necessary to install a new relay instead of the factory one and connect an additional resistor. But even such operations can be easily done with your own hands.

When choosing LED lighting You need to pay attention to the base of the products offered to you. It is marked with letters and numbers. Light bulbs with different bases have their own brightness indicator, expressed in Lumens. In the table below you will find the values ​​you need.

2

In this case, the choice of light bulbs must be approached carefully. Typically, products with H11 and H7 sockets (the latter more often) are used for low beam. The light from the diode in such lamps is reflected downwards from the reflector. Therefore, it can be difficult to establish the actual amount of light flux. You must definitely read the documentation for the proposed LEDs and study their parameters. LED lamps with the following characteristics are suitable for low beam lighting:

• luminous flux – from 1000 Lm;
• power – from 12 W.




Light

If the LED design does not have a heatsink, you have a low-power lamp. It is better to refuse to purchase it. Not all diode products are suitable for the headlights of a particular car. There is often a situation where the designs of a light bulb and a car light do not fit together. In this case, the headlights will not be able to provide you with the required clarity of the light boundary. Also, some LEDs have a fairly large heatsink. It will not allow you to put a special cover on the back of the headlight that performs a sealing function.

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For high beams, LED bulbs with an H1 base are most often used. These products are from different manufacturers have warm either cool color. It is noteworthy that it does not change over time, as is noted with the use of xenon. H1 withstands perfectly low temperatures operation and vibration. They are considered one of the most durable. Diode lamps for high beams must be equipped with a radiator, have a luminous flux of at least 1500 lm and a power of 18–19 W. If you are buying lamps made in China, please note that manufacturers indicate the brightness of not one LED element, but two at once.

For this reason, on the packaging you can see the numbers 50 W and 3600 Lm. Such indicators should be divided by two. Then you will get the real brightness value of one light bulb. This is what you need to focus on. According to experts, in rainy weather the diode high beam has no real benefits in front of halogen lighting. Please take this into account if you decide to replace halogen lamps with LED lamps. H4 lamps deserve a separate description. Their design contains two diodes at once (and quite powerful ones). One of the LEDs is located at the bottom of the headlight, the other at the top. The first provides high beam, the second – low beam.

Majority car headlights initially calculated for the installation of halogen lamps. In this regard, diode products must be selected so that their geometric parameters correspond to the dimensions of the halogen spirals. Experienced drivers advise always choosing LEDs with the smallest dimensions. Then there should be no problems with their installation. LED bulbs with an H4 socket can be equipped with two types of radiators - with a passive or active cooling system. There is not much difference between them. Choose the products that you like best.

3

Conventional halogen fog lights with H11 and H8 sockets are increasingly being replaced with LEDs these days. The requirements for such products are simple. They must have a brightness of at least 900 lumens, a power of 10–15 W. There is no point in installing lamps with 600–700 lumens. They are not up to the task. And many car enthusiasts are trying to save money on LED products for fog lights, believing that this lighting is not of paramount importance. Drivers purchase low-power diodes and install them instead of halogen lamps. And after a while they take off the new clothes and say that the LED fog lighting is no good.




LEDs for side lights

If you buy LEDs with brightness up to 900 lm, you will be sure of the same. Such lamps can be used exclusively as fashionable and unusual element car tuning, and not as high-quality and efficient lighting. Dimensional diode light bulbs are marked W5W/T10 or T5 or T4W/BA9S. Their brightness varies over a fairly wide range. There are products with 500 lm - powerful and bright. 100 lm lamps are also sold. Pros advise choosing diodes with average brightness levels (200–300 lm).

It is not advisable to install overly powerful LED structures, as they quickly burn out. And this despite the fact that such lamps initially have good resistance to high (up to 80–90°) temperatures.

The problem here is this. In the dimensions, the diodes are located next to the main lighting bulbs. The latter are responsible for strong warming up LED elements. Special current stabilizers help protect LEDs from heating. But integrating such devices into lamps naturally increases the cost of lighting fixtures. Lighting manufacturers have found a way out. IN last years Fundamentally new diodes for side lights of two series - SMD and SF - have appeared on the shelves of car dealerships.

Such lamps do not have stabilizing devices. SF products are inexpensive. But their sizes are noticeably larger geometric parameters standard light bulbs in most modern cars. Therefore, when purchasing SF diodes, you should clearly compare their dimensions with the dimensions of the hole in the headlight. SMD series lamps are much more compact. They shine bright light. But the prices for such LEDs can go through the roof. Now it’s up to you to choose which LED products suit you best. Let us add that SMD and SF lamps can be used to illuminate the vehicle interior.

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