Smoke alarm

Abstract

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 the lens mounting through hole for shooting. Due to the fact that the smoke alarm is provided with the monitoring assembly and the smoke sensor assembly, after the monitoringassembly and the smoke sensor assembly are electrically connected and powered on to be started, the smoke alarm can know the specific situation of a fire in time while giving a smoke alarm.

Description

technical field [0001] The invention relates to the technical field of fire protection, in particular to a smoke alarm. Background technique [0002] With the rapid development of the economy, many high-rise residential buildings and densely populated office buildings have appeared. In order to ensure the safety of people in high-rise residential buildings and office buildings, fire protection systems are essential. In the fire protection system, smoke alarms are usually included, through which the location of the fire can be quickly determined, and then the fire can be quickly extinguished to prevent the fire from expanding. [0003] Normally, when a fire occurs, smoke will enter the smoke alarm and be sensed by the smoke sensor installed inside the smoke alarm. When the concentration of smoke reaches the alarm concentration of the smoke sensor, the smoke alarm will generate an alarm. signal to alarm. [0004] However, because the smoke alarm in the prior art only senses ...

AI Technical Summary

Problems solved by technology

[0004] However, because the smoke alarm in the prior art only senses the density of the smoke through the smoke sensor to give an alarm

When the smoke alarm alarms, it can only indicate that a fire occurred at the location of the smoke alarm, but the specific situation of the fire cannot be known, for example, the location of the fire point cannot be known, which is not conducive to fire rescue

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