MINING LANTERN FOR INDIVIDUAL USE Russian patent published in 2015 - IPC F21L4/00 

FIELD: electricity.

SUBSTANCE: invention relates to mining equipment, in particular can be used for individual lighting of the work in mines and mine workings dangerous in terms of gas, and can be used during construction of different tunnels. The result is achieved in that the mining personal lantern contains a headlight secured on the helmet by means of the clamp and clip, separate power source primed with tight compound, and connected with the headlight by means of the flexible for-core electric cable in rubber sheath. In the headlight tight casing a quartz glass, LED module with PCB out of dielectric material are installed, on PCB face surface white LED and barrel with lens are installed. In the lantern switch in form of rotary ring with magnet is used, during switching on it acts on the low current reed relay installed on PCB. The lantern has passive LED cooling system. The electric power unit contains bank of Li-ion cells located in the rectangular plastic box covered with plastic lid. The lantern electric circuit contains control PCB, that has connected by power busbar processor, current and voltage stabiliser, charge overvoltage protection assembly, triple protection assembly in case of cable short circuit.

EFFECT: increased operation reliability.

9 cl, 3 dwg