FIELD: lighting.
SUBSTANCE: lamp comprises a case-radiator 1 covered with a dielectric heat-conducting plastic; board with LEDs; diffuser 5, covering the LEDs; source of power; and socle 7. Case-radiator 1 includes two combined aluminium shape 8, internal and external surface of which is covered with a dielectric plastic, through outside wall has elongated 11 ends and flat area with heat-transmitting ribs 12 of cooling. Heat-transmittung ribs of the first part of the case-radiator are oriented towards heat-transmittung ribs of the second part of the case-radiator and are mounted gapped 13; LED board is installed on the flat sections of the surface of each aluminium shape; and the elongated ends 11 of the outer wall of each aluminium shape are connected to the socle 7 by a dielectric heat-conducting plastic material of which the niche 14 is arranged for locating a power source separated from the aluminium shape by an air gap 15.
EFFECT: improvement of heat removal from LEDs and power supply, increase of manufacturability and light efficiency of the lamp.
8 cl, 5 dwg
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Authors
Dates
2018-03-15—Published
2014-12-26—Filed