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LED lights up life, shines your future

Introduction to LED Lights

Advantages of LED downlight

1 Energy saving: the energy consumption of white LED is only 1 / 10 of that of incandescent lamp and 2 / 5 of that of energy-saving lamp;

2 Longevity: the theoretical life of LED can exceed 100000 hours, which can be described as "once and for all" for ordinary household lighting;

3 It can work at high speed: if the energy-saving lamp is frequently started or turned off, the filament will be blackened and quickly damaged;

4 Convenient transportation: solid state packaging belongs to the type of cold light source, so it is very convenient for transportation and installation. It can be installed in any micro and closed equipment, not afraid of vibration. The main consideration is heat dissipation;

5 Environmental protection: it does not contain mercury (Hg) and other substances harmful to the environment and will not cause damage to the environment. The assembly parts of LED lamps can be easily disassembled and disassembled. They can be recycled by others without being recycled by manufacturers. LED does not contain infrared and ultraviolet rays, so it does not attract insects;

6 Fast response speed: the LED response speed is fast, which completely eliminates the disadvantage of the long starting process of the traditional high-pressure sodium lamp.

Led downlight classification

1. Classified by installation method: embedded led downlight and surface mounted LED downlight;

2. According to the light source classification: it is divided into LED chip light source, led downlight, led high-power light source, led downlight and ledcob light source;

3. Classification by place: LED downlight for home lighting, led downlight for commercial lighting and led downlight for engineering lighting; Classified by light source anti fog category: ordinary led downlight and anti fog led downlight

Installation method of LED downlight

1. Where you start to install LED lights with tubes, you will realize the main components: ballast, line connection and led downlight. You must remove them. Now, the starter may not be an independent component in the whole circuit, sometimes built on the ballast itself;

2. From dismantling the fixture of the old bulb and ensuring the power or main power supply, turn off the whole fixture. In doing so, you may need simple tools, such as screwdriver, wire, crimping, cutter, nuts and bolts, which are handy;

3. Once the old bulb or tube lamp is removed, you need to eliminate the reflector package wiring and ballast. Usually, it is easy to separate the reflection. You can use a screwdriver to eliminate this kind of reflection in case it is fixed with screws, otherwise you can use crimping to pull out the reflector;

4. Now, you must remove the ballast, the first Pitcher (if any), the ballast will have two screws, loosen them with a screwdriver and dispose of them. Nevertheless, the line connection to this will also be removed, and the wire connection of the clamp will be connected to complete the circuit;

5. To succeed, fix the reflection back to the original place cover and insert the wiring work led downlight socket. Now, although the LED downlight is inserted, you should determine the end of the top and bottom, it must also be fixed into the same thing of the circuit;

6. Once you have completed the installation of LED downlight in the fixture and turn on the power supply, if the connections are correct and the accessories are completed with the correct attitude, you will have a better lighting. Your plan does not stop here. It is important that you dispose of old fluorescent bulbs or tube lamps correctly according to local regulations, because these bulbs contain a small amount of toxic mercury, Highly dangerous.

Precautions for LED downlight installation

1. After unpacking the LED downlight, immediately check whether the product is in good condition. In case of any fault caused by non-human or within the requirements specified in the manual, it can be returned to the retailer or directly returned to the manufacturer for replacement;

2. Cut off the power supply before installation to ensure that the switch is closed to prevent electric shock. After the lighting is on, do not touch the surface of the lamp. The lamp should not be installed at the heat source, hot steam and corrosive gas, so as not to affect the service life;

3. Please confirm the applicable power supply according to the installation quantity before use. This product is only used indoors. Please pay attention to waterproof when outdoors. Before installation, ensure that the installation position can bear 10 times the weight of the product;

4. The lamp cup with high voltage (110V / 220V) power supply is used for the product, and it is not suitable to work under the condition of frequent power on and power off, which will affect its service life;

5. It shall be installed in a flat place without vibration, swing and fire hazards, and attention shall be paid to avoid falling from height, hard object collision and knocking;

6. If the LED downlight is out of service for a long time, it shall be stored in a cool, dry and clean environment. It is forbidden to store and use it in humid, high-temperature or flammable and explosive places.

Damage and replacement method of LED downlight

1. If the LED power supply is damaged, buy a power supply with the same parameters such as voltage and current and replace it;

2. If more LED lamps are damaged and the damaged LED patch lamps are concentrated in the same area, the damaged part can be cut off and re welded;

3. If you have a certain basic knowledge of electronics, you can buy the same type of LED lamp, carry a soldering iron and re weld it. But then again, there are many LED chip lamp components on each LED lamp strip, one or two of which are broken, which has no impact on the brightness;

4. For the problem of how to deal with the broken LED bulb, we should take corresponding measures according to the situation. Whether the LED is damaged or the driving power supply is damaged, for the sake of safety, it is recommended to find professionals to repair it. When using, we should consider not only the impact of the heat generated by the LED itself on the lamp, but also the impact of the surrounding ambient temperature on the photoelectric performance of the lamp.

Common dimensions and parameters of LED downlight

Luminous principle of LED downlight

The terminal voltage of the PN junction constitutes a certain potential barrier. When the forward bias voltage is applied, the potential barrier decreases, and most carriers in the P and N regions diffuse to each other. Since the electron mobility is much larger than the hole mobility, a large number of electrons will diffuse to the p region, forming the injection of a few carriers in the p region. These electrons compound with holes in the valence band, The energy obtained during recombination is released in the form of light energy, which is the principle of PN junction luminescence.

Applicable place of LED downlight

1. In recent years, more and more offices and even families have used LED downlight lighting, because the applicability of LED downlight for indoor lighting is more and more known and welcomed by people. Led downlight has the applicability of indoor lighting that can not be compared with other lamps or even other LED lamps;

2. Led downlights do not occupy the indoor space. Installing led downlights indoors will not produce a sense of oppression because of the concealment of lamps. On the contrary, it will produce a warm effect. Therefore, home decoration can choose to install multiple LED downlights to reduce the sense of space oppression. Generally, led downlights are used more in hotels, families, cafes and shopping malls;

3. Led downlights are generally used in shopping malls, offices, factories, hospitals and other indoor lighting. They are easy to install and loved by people. Led downlights inherit all the advantages of traditional LED downlights, with low calorific value, long power-saving life and minimal maintenance cost. Early led downlights were not accepted by customers because of the high overall cost of LED beads, With the decrease of LED downlight chip price and the improvement of heat dissipation technology, it has laid a solid foundation for LED downlight to enter the commercial field.

Difference between LED downlight and spotlight

It is difficult for many people to distinguish between barrel and spotlight. In home decoration, led downlight and spotlight have different uses. In short, led downlight is a kind of lamp with more spotlight than ordinary surface mounted lamps, which is generally used for general lighting or auxiliary lighting. Spotlight is a kind of highly focused lamp whose light irradiation can specify a specific target. It is mainly used for special lighting, such as emphasizing a very interesting or innovative place. We distinguish the characteristics of the two lamps from the light source, application position and price comparison.

1. Led downlight can be equipped with incandescent bulb or energy-saving lamp. When installing incandescent lamp, it is yellow light, and when installing energy-saving lamp, it is visual lamp;

2. The bubble type can be white light or yellow light. The light source direction of ceiling led downlight cannot be adjusted. The waterproof LED downlight is added with a waterproof glass cover outside;

3. General household spotlights use quartz bulbs or lamp beads. Of course, large spotlights do not necessarily use quartz bulbs. Quartz bulbs only have yellow light, and the light source direction of general spotlights can be adjusted freely.

1. Led downlights are generally installed in the ceiling. Generally, the ceiling can be installed only when the ceiling is more than 150mm. Of course, led downlights also have external type. It is a good choice to install led downlights in areas without ceiling lights or chandeliers, and the light should be softer than spotlights;

2. Spotlights can generally be divided into track type, point hanging type and embedded type. Spotlights generally have transformers, but some do not have transformers. Embedded spotlights can be installed in the ceiling. Spotlights are mainly used for places that need to be emphasized or expressed, such as TV walls, hanging paintings, jewelry, etc., which can play light rhyme to enhance the effect.

1. Generally speaking, domestic LED downlight and spotlight brands with good quality include OPP, Diqi optoelectronics, Rex and Sanxiong aurora. Among them, Diqi optoelectronics has the best cost performance and the most abundant styles, which can meet the needs of different design styles;

2. Generally, there are three kinds of LED downlights: large (5 inches), medium (4 inches) and small (2.5 inches). The current market price of small size is between 15-20 yuan, medium size is between 28-32 yuan and large size is between 36-48 yuan. Of course, the above prices do not include light source. Led downlights have horizontal plug and vertical plug, and the price of horizontal plug is a little more expensive than vertical plug

Introduction to LED Lights 1

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