Intelligent fire alarm system

A fire alarm system, intelligent technology, applied to fire alarms that rely on smoke/gas effects, etc., can solve problems such as false alarms, slow drift of fire detector circuits, etc., achieve accurate monitoring, improve stability and flexibility, The effect of strong anti-interference ability

Inactive Publication Date: 2015-05-27
SHAANXI LONGHAI ENG CONSTR
0 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

The fire criterion of the traditional fire detection and alarm system is only determined according to whether a certain fire parameter reaches a certain value. This discrimination is re...
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Abstract

The invention discloses an intelligent fire alarm system which comprises a data acquisition module, wherein an output end of the data acquisition module is connected with a single-chip microcomputer; the single-chip microcomputer is connected with and used for controlling an alarm device and fire-fighting equipment; the data acquisition module comprises a smoke sensor, a signal processing module and a comparison and conversion module which are connected in sequence; the smoke sensor is used for converting a field smoke concentration non-electric signal into an electric signal, inputting the electric signal to the signal processing module for performing signal filtration and amplification, and then outputting the filtered and amplified electric signal to a comparison and conversion module, so that conversion of an analog signal output by the smoke sensor into a digital signal is finished; an output signal is connected with the single-chip microcomputer; the single-chip microcomputer is used for performing signal processing and realizing a sound-light alarm function and an action of the fire-fighting equipment through control. The intelligent fire alarm system can intelligently monitor an environment and give an alarm in time in case of fire, and has the characteristics of accuracy for monitoring, quickness and high sensitivity.

Application Domain

Fire alarm smoke/gas actuation

Technology Topic

SmokeElectric signal +11

Image

  • Intelligent fire alarm system

Examples

  • Experimental program(1)

Example Embodiment

[0009] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0010] Referring to the accompanying drawings, an intelligent fire alarm system includes a data acquisition module 1 , an output end of the data acquisition module 1 is connected to a single-chip microcomputer 2 , and the single-chip microcomputer 2 is connected to and controls an alarm device 3 and fire-fighting equipment 4 . The data acquisition module 1 includes a smoke sensor, a signal processing module, and a comparison conversion module which are connected in sequence.
[0011] The working principle of the present invention is:
[0012] The smoke sensor converts the non-electrical signal of on-site smoke concentration into an electrical signal, which is input to the signal processing module for signal filtering and amplification, and then output to the comparison and conversion module to complete the conversion of the analog signal output by the smoke sensor into a digital signal, and the output signal is connected to The single-chip microcomputer 2 is used for signal processing and control to realize the sound and light alarm function and the action of the fire-fighting equipment 4.

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