EXHIBITION DATA COLLECTION BOX WITH EMBEDDED BROADCASTING SPEAKER

摘要

Disclosed is an exhibition data collection box with an embedded broadcasting speaker, comprising a box body and a cover plate, wherein one side of the box body is provided with an input interface and an audio interface connected to an exhibition hall distribution cabinet; the other side of the box body is provided with a plurality of output interfaces connected to booths; the rear face of the box body is provided with a H-shaped reinforcing rib; two resonant speakers are mounted on a diagonal line of the H-shaped reinforcing rib; the resonant speakers comprise a housing, a magnet, a coil, a diaphragm support, a diaphragm, a flange support and a flange; the coil is built into the housing; a lead wound on a surface thereof is connected to the audio interface by means of an audio amplifier; the magnet is provided above the coil; the diaphragm support is provided around the coil; the diaphragm above same encloses the integral entity formed by the magnet and the coil; the flange support is fixed on the diaphragm by means of a screw; the flange is mounted on the flange support and is adhered and mounted on a rear face of the cover plate; and the vibration of the diaphragm drives the flange and the cover plate to vibrate, thus producing a sound.