EXPLOSION-PROOF LAMP Russian patent published in 2017 - IPC F21V25/12 

FIELD: lighting.

SUBSTANCE: lamp contains a housing made of an aluminium alloy and a junction box with a lid and seals on its side surface, a diffuser with a flange fixed in a coupling having a thread on the outer cylindrical surface and mounted in a housing on a threaded labyrinth, a LED board and a power supply, located in the housing, a terminal block installed inside the junction box, and a suspension assembly. It is equipped with a battery installed in the casing and connected to the power supply and a ring having an external thread that presses the diffuser flange made of polycarbonate to the inner clutch end with an additional thread on the inner cylindrical surface. The cavity, formed by a flange, ring and a coupling, is filled with a heat-resistant compound, the housing is made with an external finned ribbing, and the junction box is made in conjunction with the housing also made of aluminium alloy. The cover of the junction box is connected to it on a threaded labyrinth, the seal in the junction box is made in the form of two oppositely screwed fittings with plugs and sealing rings. The grounding screws are installed, respectively, one on the housing and the other inside it.

EFFECT: increased maintainability, ease of assembly, safety of construction, expansion of installation capabilities in the place of installation and increased degree of protection from environmental exposure.

5 cl, 7 dwg