Smoke sensing detection alarm

The invention relates to the technical field of smoke sensing detection alarms, and discloses a smoke sensing detection alarm which comprises a lower shell, the top of the lower shell is fixedly connected with a supporting rod, the top of the lower shell is provided with an upper shell, the bottom o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHOU MIAO, LIANG YEBIN, ZHANG WENQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ORDER TELEGRAPHS PHYSICS PRINTED CIRCUITS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:	The invention relates to the technical field of smoke sensing detection alarms, and discloses a smoke sensing detection alarm which comprises a lower shell, the top of the lower shell is fixedly connected with a supporting rod, the top of the lower shell is provided with an upper shell, the bottom of the upper shell is provided with a rotating groove, the transverse section of the rotating groove is annular, the surface of the upper shell is provided with a first fixing groove, the interior of the first fixing groove communicates with the interior of the rotating groove, and the surface of the supporting rod is slidably connected with the interior of the rotating groove. According to the smoke sensing detection alarm, resetting is carried out through a first spring, so that a fixing block slides into a first fixing groove, then splicing and fixing of the lower shell and the upper shell are achieved, splicing of the upper shell and the lower shell is more convenient and faster, and meanwhile when elements in t