What Are the Types of LED Lighting?

The LED lamp is a common lamp in the lamp. LED lamp, light-emitting diode, is a solid-state semiconductor device that can convert electrical energy into visible light. It can directly convert electricity into light, and it is also a common form of energy-saving lamps.

There are many types of LED lights, including LED outdoor lighting, LED indoor lighting, LED safety lighting, LED special medical lighting and LED special lighting. Next, let us take a look at the complete list of LED lamp types.LED outdoor lightingTypes of outdoor LED lightsLED street lights, LED tunnel lights, LED traffic lights, LED guardrail tubes, LED floodlights, LED underground lights, LED lawn lights, LED garden lights, LED wall washer lights, LED underwater lights, LED fountain lights, etc.

Outdoor LED lights purchaseIt has good waterproof and dustproof performance; check the lamp identification, appearance quality, heat dissipation, driving power, power efficiency, lamp bead quality; perfect after-sales service.Outdoor LED light installationBefore installation, you must understand whether the electrical performance of the LED lighting system matches the power capacity of the installation unit. The core and the shell of the transformer should be well connected, and a grounding device should be provided.

The high-voltage wiring and the connecting wires of the lamp fittings should use flame-retardant insulated rubber wires with a rated voltage not less than 15KV. During installation, the transformer should be fixed on the support frame, and the base must be made of non-combustible materials. When the lamp exceeds the surrounding buildings or exceeds 20 meters above the ground, lightning protection facilities must be installed.

LED safety lightingLED emergency lightThe LED emergency light is powered by the emergency battery power supply. When the power is off, the explosion-proof lighting lamps for emergency lighting can be started immediately, and can also be controlled by an external switch. LED emergency lights are emergency lighting for workshops, warehouses, cable trenches, roadways and other places.

It also includes LED safety exit indicators.LED explosion-proof lightsIt utilizes the characteristics of LED low heat generation to achieve intrinsically safe explosion-proof, and the LED light source has a long life; the battery maintains constant brightness at the end of full charge and discharge; the heat dissipation device is provided on the lamp housing to achieve effective heat dissipation of the LED module, To ensure the stability of use, suitable for lighting in various industries such as coal mines, petroleum, railways, flood control and so on.LED searchlightThe LED searchlight is used for long-distance lighting and search and is suitable for mobile lightings inflammable and explosive places such as troops, power, petrochemicals, oil fields, mines, firefighting, railways, and public security.

LED special lightingLED medical lightingLED lighting is used for functional lighting inside and outside hospital buildings, that is, functional lighting other than medical resources, medical guidance and other information displays; peep lighting, which is used for lesion detection and observation; surgical lighting, which is used to provide surgery High-quality lighting tools; disinfection, sterilization radiation light source; light therapy, light radiation therapy light source; pathology detection light source, etc.LED photosynthetic lightingLED lighting is used for agricultural light sources. In addition to the characteristics of environmental protection and energy-saving, it has the characteristics of adjustable light quantity, adjustable light quality, low cooling load, and allows to increase the cultivation amount per unit area.

It is a very suitable artificial light source for a closed agricultural production environment with environmental control, such as a plant tissue culture room.LED lightsThe LED lamp uses cold light technology, not only the temperature is lower than the xenon lamp, but also the brightness is higher than it, which can cope with different environments. Don't worry about the yellowing of the lampshade, and it's very durable.

The main factor that affects the efficiency and life of LED lights is temperature. Therefore, owners who want to modify LED lights should choose LED lights with good thermal conductivity, and pay attention to the heat dissipation environment of the surrounding environment of LED lights during the installation process

·RELATED QUESTION

Were can I get quality outdoor LED lighting for my landscape project?

If short maintenance, eco friendly landscape lighting is a precedence for you, outdoor LED lighting is a ideal option for your landscape lighting design. LED landscape lighting offers the protection, security and artistic qualities as any other landscape lighting solution, but it also offers a concentrated ecological footprint and lower maintenance.

You can emphasize the beautiful architecture of your home's external or landscaping with tactically placed outdoor lighting by LV Lightings. While your options may seem endless, it's significant to believe the role you want your outdoor lights to play. Will they be for security reasons, or for more ornamental purposes?

Outdoor LED lighting

may be more luxurious up front than other options, but in the long run it will go easier on your wallet than other bulbs. From LV Lighting's LED lights have a long life span and offer excellence lighting that is power efficient.

Whatever options you settle on, you're sure to find a extensive selection of charming and well-designed landscape lighting right here on LV Lightings.

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Explain the Key Points of LED Lighting Driving Power Supply in Detail
In order to save energy and power, LED has been greatly promoted, but led needs a power driver, which will directly affect the service life of LED. Therefore, how to do a good LED driving power supply is the top priority of LED power designer. This paper introduces some problems of LED driving power supply, hoping to provide some help to engineers.1. The driving circuit directly affects the service life of LEDThe LED driver we mentioned includes digital driver and analog driver. Digital driver refers to digital circuit driver, including digital dimming control, RGB full-color change, etc. Analog drive refers to analog circuit drive, including AC constant current switching power supply and DC constant current control circuit. The driving circuit is composed of electronic components, including semiconductor components, resistance, capacitance, inductance, etc. these components have service life. The failure of any device will lead to the failure of the whole circuit or some functions. The service life of LED is 50000-100000 hours. If it is continuously lit according to 50000 hours, it has a service life of nearly 6 years. The service life of switching power supply is difficult to reach 6 years. The warranty period of switching power supply sold on the market is generally 2-3 years. The power supply with 6-year warranty is military grade, and the price is 4-6 times that of ordinary power supply. It is difficult for ordinary lamp manufacturers to accept it. Therefore, the faults of LED lamps are mostly driving circuit faults.2. Heat dissipation problemLED is a cold light source, the working junction temperature cannot exceed the limit, and a certain margin should be reserved during design. The design of the whole lamp should consider many aspects, such as beautiful appearance, convenient installation, light distribution, heat dissipation and so on. It is necessary to find a balance point among many factors, so that the overall lamp is the best. The development time of LED lamps is not long, there is not much experience to learn from, and many designs are constantly improved. The power supply used by some LED lamp manufacturers is outsourced or purchased. The lamp designer does not know much about the power supply, so the heat dissipation space for LED is large and that for power supply is small. It is generally to find a suitable power supply after designing the lamps, which brings some difficulty to the power supply. It is often encountered that due to the small internal space or high internal temperature of the lamp, and the low cost control, it is impossible to allocate a suitable power supply. Some LED lamp manufacturers have power R & D capability. The above problems can be solved by evaluating at the initial stage of designing lamps and designing power supply synchronously. In the design, we should comprehensively consider the heat dissipation of LED and power supply, and control the temperature rise of lamps as a whole, so as to design better lamps.3. Problems in power supply designa. Power design. Although the LED has high luminous efficiency, there is still 80-85% heat loss, resulting in a temperature rise of 20-30 degrees inside the lamp. If the room temperature is 25 degrees, there is 45-55 degrees inside the lamp. The power supply works in a high-temperature environment for a long time. In order to ensure the service life, the power margin must be increased, which is generally reserved to 1.5-2 times.b. Component selection. When the internal temperature of the lamp is 45-55 degrees, the internal temperature rise of the power supply is about 20 degrees, and the temperature near the element should reach 65-75 degrees. The parameters of some components will drift at high temperature, and the service life of some components will be shortened. Therefore, the devices should be selected that can be used at high temperature for a long time, with special attention to electrolytic capacitors and wires.C. Electrical performance design. The parameter design of switching power supply for LED is mainly constant current parameter. The size of current determines the brightness of LED. If the batch current error is large, the brightness of the whole batch of lamps is uneven. Moreover, the change of temperature can also cause the output current of the power supply to shift. Generally, the batch error is controlled within / - 5% to ensure the consistent brightness of the lamp. There is deviation in the forward voltage drop of the LED, and the constant current voltage range of the power supply design should include the voltage range of the LED. When multiple LEDs are connected in series, the minimum voltage drop multiplied by the number of connected in series is the lower limit voltage, and the maximum voltage drop multiplied by the number of connected in series is the upper limit voltage. The constant current voltage range of the power supply is slightly wider than this range. Generally, 1-2v margin is reserved for the upper and lower limits.d. PCB layout design. The size of LED lamps left for the power supply is small (unless it is external to the power supply), so there are high requirements in PCB design and many factors to be considered. Enough safety distance shall be reserved for the power supply requiring input and output isolation. The withstand voltage of primary side circuit and secondary side circuit shall be 1500-2000vac, and at least 3mm distance shall be reserved on the PCB. If it is a lamp with metal shell, the safety distance between the high-voltage part and the shell shall also be considered for the cloth plate of the whole power supply. If there is no space to ensure a safe distance, other measures should be taken to ensure insulation, such as drilling holes on PCB, adding insulating paper, potting insulating glue, etc. In addition, the heat balance shall be considered for the cloth plate, and the heating elements shall be evenly distributed and cannot be placed centrally to avoid local temperature rise. The electrolytic capacitor is far away from the heat source to slow down the aging and prolong the service life.e. Certification issues. At present, there is no standard for LED lamps in China. Relevant national departments are studying and formulating. The certification of lamps sold in China is based on the standards of lighting lamps, while those sold abroad are CE or UL certification, and some are based on foreign LED lamp standards. Therefore, in view of this situation, it is difficult for the design of switching power supply to meet the above standards at the same time. We can only meet different certification according to different requirements.4. Use parameters.The selection of purchased power supply mainly depends on the voltage range of constant current and constant current. The constant current value is lower than the standard current of LED. The selection of voltage range shall be moderate, and try not to select a large range to avoid power waste.
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