Matrix type directional broadcasting device

The utility model discloses a matrix type directional broadcasting device, which comprises a plurality of ultrasonic loudspeakers, a shell and a controller, the ultrasonic loudspeakers are arranged on the surface of the shell, the controller is arranged in the shell, and the ultrasonic loudspeakers are arranged in a matrix. The ultrasonic horns are used for directionally transmitting sound, are distributed in a matrix manner, can effectively realize directional transmission of loud sound, only transmit sound in the direction towards which the ultrasonic horns face, and do not face the direction towards which the ultrasonic horns face, so that the business is extremely small, directional broadcasting can be fully met, and disturbance to residents is avoided; and the application of some special scenes (such as expressways) is met. 本实用新型公开一种矩阵式定向广播装置，包括：若干超声波喇叭、壳体、控制器，所述超声波喇叭安装在壳体表面，所述控制器安装在壳体内，所述超声波喇叭呈矩阵排布。本实用新型的超声波喇叭用于定向传播声音，采用矩阵式分布，能够有效实现大声音的定向传播，只对超声波喇叭朝向的方向传播声音，非超声波喇叭朝向的方向，生意极小，因此可以充分满足定向进行广播，避免扰民，满足一些特殊场景(