| 摘要 |
A speaker unit for generating an alarm inside a driver's seat cluster is provided to minimize vibration and sound by mounting a speaker case in a printed circuit board by receiving the speaker unit inside the speaker case. A printed circuit board(4) is installed in a driver's cluster for operating a speaker. The speaker is mounted in the printed circuit board by soldering. The speaker case surrounds the outer part of the speaker and the one side of an opening unit is mounted to be closely adhered to the printed circuit board. A plurality of holes(12) are formed in a closed rear surface of a speaker case to radiate the sound from the speaker to the outside of the speaker case. A plurality of elastic fixing protrusions are protrusively formed in an opening unit of the speaker case. The elastic fixing protrusions are fitted into a plurality of fitting holes. The fitting holes are formed in the printed circuit board to mount the elastic fixing protrusions. |
