Moisture-proof smoke alarm

The utility model relates to the field of alarms, in particular to a moisture-proof smoke alarm. The device comprises a shell, a box body is fixedly arranged at the bottom in the shell, a buzzer is arranged in the box body, an opening is formed in one end of the box body, a cover plate matched with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIU YUNBIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ORDER TELEGRAPHS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PUBLIC ADDRESS SYSTEMS SEPARATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model relates to the field of alarms, in particular to a moisture-proof smoke alarm. The device comprises a shell, a box body is fixedly arranged at the bottom in the shell, a buzzer is arranged in the box body, an opening is formed in one end of the box body, a cover plate matched with the opening is connected to the opening in a sliding mode, a cavity is formed between the cover plate and the box body, and a telescopic component for driving the cover plate to slide in a reciprocating mode is arranged on one side in the shell. A smoke sensor, a power source and a controller are fixedly arranged at the top in the shell, the smoke sensor, the buzzer and the telescopic component are all electrically connected with the controller, the controller is electrically connected with the power source, the bottom end of the shell is connected with a smoke inlet cover communicated with the shell, and a smoke inlet is formed in the smoke inlet cover. According to the smoke alarm, the situation that the buzzer c