| 摘要 |
FIELD: electrical engineering. SUBSTANCE: incandescent lamp with interference coating has halide quartz lamp built in reflector neck wherein it is set on heat-resistant mastic; external part of reflector neck is made in the form of cylinder and its internal part, in the form of truncated cone, ratio of diameters of lower and upper neck bases d1 to diameter of upper base d2 being d1:d2 = 1,2/1,3, and ratios of diameters of reflector upper hole d3, neck lower base d1, halide quartz lamp bulb d4 being d3:d1:d4 = 8:3:2,5; projection is provided in upper part of reflector neck. Such design ensures optimal operating temperature conditions for lamp. EFFECT: enhanced service life of lamp. 2 cl, 2 dwg |
