Smoke alarm

The embodiment of the invention provides a smoke alarm. The smoke alarm comprises a rear shell assembly, a middle shell assembly, a front cover assembly, a smoke sensor assembly and a monitoring assembly; the rear case assembly includes a rear case; the middle shell assembly comprises a middle shell...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DAI LITAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR ALARM SYSTEMS APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ORDER TELEGRAPHS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTED CIRCUITS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:	The embodiment of the invention provides a smoke alarm. The smoke alarm comprises a rear shell assembly, a middle shell assembly, a front cover assembly, a smoke sensor assembly and a monitoring assembly; the rear case assembly includes a rear case; the middle shell assembly comprises a middle shell cover and a middle shell. The front cover assembly includes: a front cover; the monitoring assemblycomprises a camera; the smoke sensor assembly is installed between the rear shell and the middle shell cover. A smoke sensing area is formed in a space between the middle shell cover and the middle shell; a smoke sensing through hole is formed in the middle shell cover, so that the smoke sensing area is communicated with a first cavity formed by the rear shell and the middle shell cover; the monitoring assembly is installed in a second cavity formed between the middle shell and the front cover; a camera mounting through hole is formed in the front cover, so that a camera of the monitoring assembly penetrates through