Portable electric/electronic equipment e.g. smart phone for use in explosive atmosphere, has function electronics accomodated in housing, such that receiving portion is under static pressure of non-flammable gas housed in container

摘要

The device has function electronics (1) that is accomodated in a housing, such that the functional electronics receiving portion of the interior of housing (2,4) is under a static pressure of a non-flammable protective gas housed in container (6) and is portion of the device. The container is arranged in inner space of housing under the overpressure standing area. The container is arranged outside of the static pressure protruding region of housing chamber.