led lamp socket specification lamp head specification description, led lamp socket specification E27 GU10 B22 MR16 G13 description
There are many specifications of led lamp sockets, the main reason is that there are many types of traditional lamps. In order to realize the exchange of lamps, LED lamps have to be made the same to meet the market replacement requirements. But there are many types, bringing a lot of trouble. How to distinguish, most people don't understand, let's introduce them separately, let you have a general understanding.
1. Rough classification
1. According to the installation method, it is divided into several methods such as bayonet, screw, socket and so on.
2. From the material, it is divided into bakelite, plastic, metal, ceramic and other materials. The commonly used lamp holder such as E27 is the most common energy-saving lamp screw lamp holder.
3. The lamp sockets for fluorescent lamps are usually called T8 lamp sockets or T5 lamp sockets, and the models are G13 and G5.
4. In addition, according to the use environment, the protection level of some lamp holders is as high as IP68. When purchasing, please make corresponding IP protection grade lamp holders (waterproof, etc.) according to your needs. Certification, lamp holder classification.
2. The meaning of English letters
1. E14, E27, E12, E26, etc. E usually starts with: screw socket, E27, E14 refer to the size of the ordinary screw socket, E27 is the socket of the incandescent lamp we usually use, and E14 is smaller than it. No. 1, and E40 is larger than E27. B22 represents the lamp holder of the hanger (also called the bayonet). These are common sockets for LED bulbs.
2. The beginning of GU such as GU10 refers to the bayonet type we use in our daily life. GU: G means the lamp head type is plug-in type, U means the lamp head part is U-shaped, and the following number means the center distance of the lamp pin hole (unit is millimeter "MM" ”).
3. MR16 and MR11 start with MR are in-line local lighting small spotlights commonly used in this lamp holder, usually small spotlights have two pins for easy installation. In the lighting industry, MR16 refers to a lamp with a multi-faceted reflector with a maximum outer diameter of 2 inches. MP11 is a lamp that is a little smaller than MR16.
4. MRMR: Multiface Reflect, multi-face reflection (lamp cup), the numbers on the back indicate the diameter of the lamp cup (unit is 1/8 inch), the diameter of MR16=16×1/8=2 inches≈50mm
5. PAR lamps generally include PAR30, PAR36, PAR46 and PAR56, which are long or short in size. They are also called downlights. They illuminate light beams and are used to illuminate the stage, dynamic color change, etc. They are common lamps on the stage, because they consume a lot of power and have The feeling of roasting is now gradually replaced by LED PAR lights. PAR30 and 38 have different diameters, and they are the standard and name of the world. They are all called lamp cups and spotlights.
6.AR111/AR70 is aluminum cold reflective halogen spotlight