Patent ID: 9743193
Date: 2017-08-22
CPC Classifications: H04R

Claim:
1. A self-cooling loudspeaker comprising: a frame; an elastic member connected to the frame; a diaphragm portion connected to the frame, the diaphragm portion being capable of linear movement, wherein a first region is substantially surrounded by the frame, the elastic member and the diaphragm portion; a voice coil connected to the diaphragm portion; a magnet assembly connected to the frame, the magnet assembly having a central opening and a first air passage in which the voice coil is disposed, wherein a second region is substantially surrounded by the voice coil, the elastic member and the frame, a third region is substantially surrounded by the magnet assembly and the diaphragm portion, and a fourth region is at an opposite side of the third region near the magnet assembly; a first airflow control member connected to the frame and in communication between the first region and the second region, wherein the linear movement of the diaphragm portion produces an airflow and the direction of the airflow is regulated by the first airflow control member from the first region to the second region; a second airflow control member connected to the central opening of the magnet assembly, wherein the direction of the airflow produced by the linear movement of the diaphragm portion is regulated by the second airflow control member from the third region to the fourth region; and a first basket and a second basket, the first region being surrounded by the first basket, the diaphragm portion, and the elastic member, and the second region being surrounded by the second basket, the elastic member, and the voice coil, wherein a second air passage follows a contour of the second basket.