A video intercom indoor terminal with security function

Abstract

The invention discloses a visual intercom indoor terminal with a security and protection function. The visual intercom indoor terminal comprises a microprocessor, a security monitoring module and a smoke detection circuit, wherein the microprocessor is connected with a visual intercom module, the security monitoring module, an emergency power supply automatic switching module, an emergency evacuation module and a communication interface respectively, the security monitoring module comprises the smoke detection circuit, a temperature detection circuit and a fuel gas leakage detection circuit, the smoke detection circuit comprises a detection passage circuit and a reference passage circuit which are respectively connected into two input ends of a differential amplification circuit I, and the output end of the differential amplification circuit I is connected with a threshold comparing circuit I in series. The visual intercom indoor terminal has the beneficial effects that on one hand, danger situations can be accurately and quickly forecast by utilizing a multi-sensor fusion technology, and on the other hand, the visual intercom indoor terminal is arranged at vantage positions close to gates or passages, when accidents happen, emergency switches are automatically switched, and trapped personnel can be emergently guided and evacuated, so that great property loss and personnel injury accidents are prevented from occurring.

Description

technical field [0001] The invention relates to the technical field of an intercom system, in particular to a video intercom indoor terminal with a security function. Background technique [0002] With the improvement of living and office conditions, people have higher and higher requirements for building safety. On the one hand, they hope to organically combine video intercom with other systems to form a strong security protection network. On the other hand, it is also hoped that the video intercom terminal will have more practical functions. [0003] At present, the video intercom terminals at home and abroad mainly realize the functions of door lock control and video intercom, and have not yet integrated practical functions such as fire protection, safety precautions, and fire forecasting. The video intercom terminal is generally installed near the door, close to the escape route. Taking advantage of this favorable condition, when a hidden danger occurs, if the video in...

AI Technical Summary

Problems solved by technology

[0003] At present, the video intercom terminals at home and abroad mainly realize the functions of door lock control and video intercom, and have not yet integrated practical functions such as fire protection, safety precautions, and fire forecasting.

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