| 摘要 |
<p>The utility model provides a built-in detection device for a ship. The detection device has attractive appearance, and water is difficultly soaked into a buzzer in the detection device. According to the detection device, audio gaps (22a and 23a) are formed between cylinder parts (11b and 11c) on an inner panel (11) of the peripheral part of switches (3 and 4) which are arranged at through holes (22 and 23) in a front panel (20) and the through holes (22 and 23), an audio hole (11a) which is opened in an accommodation space for the buzzer (2) on the back side of the inner panel (11) is formed in the inner panel (11) tightly attached to the back of the front panel (20), and an audio groove (11d) through which the audio gaps (22a and 23a) are communicated with the audio hole (11a) are formed in front of the inner panel (11).</p> |
