BUILT-IN PERSONAL DOSIMETER OF RADON'S DAUGHTER PRODUCTS INTO MINER'S PERSONAL LAMP'S COVER

摘要

The detection system (4) of the dosimeter is inserted in the autonomous cavity of the lid (1) of the mining personal lamp, while the cavity of the lid (1) is connected with the ambient medium in its front side by means of at least one inlet channel (9) and equipped with a cap (5). The connecting channel (12) leads from the suction area of the pump (2) into the cavity of the detection system (4). The pump (2) is equipped with a radial sealing (8) in its upper area and close-connected with control electronics (3) of the sucked amount of air substance by the pump (2). The outlet (11) of the pump (2) leads into the inner part of the lid (1), which is connected with the ambient medium in its back side by means of the outlet channel (6), which is equipped with a non-return valve (7).IMAGE