LED LAMP Russian patent published in 2020 - IPC F21S4/00 F21S13/00 

FIELD: lighting.

SUBSTANCE: invention relates to light-emitting devices based on light-emitting diodes and can be used to generate light intensity curves (LIC), which provide normative indices of illumination for street and industrial lighting. Light-emitting diode lamp has a housing, on the sides of which there are LED modules connected to the power supply, consisting of printed-circuit boards with LEDs installed on them and equipped with secondary optics. Side of housing, in which light-emitting diode modules are installed, are closed with openings from translucent material. Housing is provided with attachment assembly to support. Technical result is achieved due to that housing is made with at least two sides, symmetrical relative to its horizontal base and located at angles of 20–40°. On the printed-circuit boards of the LED modules under the fixing elements of the secondary optics of each light-emitting diode there are mounting holes for attachment of the secondary optics with coaxiality of its optical axis to the centre of the light-emitting diode and additional mounting holes for attachment of the secondary optics with displacement of its optical axis relative to the centre of the light-emitting diode, with the possibility, when making the luminaire, of changing the direction of light beams of light-emitting diodes in space in accordance with the type of LIC determining the given illumination area on the working surface without changing the type of secondary optics.

EFFECT: technical result is optimization of the LED lighting fixture by the number of structural materials, its weight, dimensions with formation of preset types of LIC, which provide different illumination areas in accordance with normative documents without changing the type of secondary optics, on one element base during its manufacturing in accordance with customer requirements, due to addition of light beams of light-emitting diodes, each of which is directed to a predetermined area of the working surface by installing secondary optics with coaxiality of its optical axis with the centre of the light-emitting diode or with an offset relative to the centre of the light-emitting diode in a given direction and a given value in accordance with the technical task.

10 cl, 3 dwg