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RS485 bus based intelligent building fire hazard monitoring system capable of onsite alarm

An on-site alarm and monitoring system technology, which is applied to electrical fire alarms and fire alarms that rely on smoke/gas effects. Efficiency, networking and intelligence, the effect of increasing precision and speed

Inactive Publication Date: 2016-08-10
CHENGDU SIBOTE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of limited information transmission and low networking degree of the traditional building fire monitoring system, and provide an on-site alarm intelligent building fire monitoring system based on RS485 bus

Method used

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  • RS485 bus based intelligent building fire hazard monitoring system capable of onsite alarm
  • RS485 bus based intelligent building fire hazard monitoring system capable of onsite alarm
  • RS485 bus based intelligent building fire hazard monitoring system capable of onsite alarm

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Experimental program
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Embodiment

[0020] Such as figure 1 Shown, the on-the-spot alarm intelligent building fire monitoring system based on RS485 bus of the present invention mainly consists of more than one detection device, the conversion module connected with the detection device by RS485 bus, the microprocessor connected with the conversion module, and the It consists of a monitoring room computer connected with a microprocessor. The microprocessor is realized by AT89C2051 microprocessor, and its P3.7, P3.4 and P3.5 pins are connected with the monitoring room computer.

[0021] Wherein, the detection device is used to detect the smoke signal and the temperature signal of each floor, and it is set in each floor, and the quantity can be set according to the number of floors or actual needs. The structure of the detection device is as figure 2 As shown, it is composed of processing chip, smoke sensor, temperature sensor and sound and light alarm circuit. The processing chip adopts LT3496 processing chip t...

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Abstract

The invention discloses an on-site alarm intelligent building fire monitoring system based on the RS485 bus. device, and a monitoring room computer connected to the microprocessor; the detection device is composed of a processing chip, a smoke sensor connected to the processing chip, a temperature sensor, and an audible and visual alarm circuit; the processing chip is connected to the conversion module connected. The present invention adopts the RS485 bus to transmit signals, which improves the accuracy and speed of signal transmission, and makes the present invention more networked and intelligent. The detection device of the present invention is provided with an audible and visual alarm circuit, which can send out an alarm when a fire breaks out on the floor, and the people in the floor pass through to evacuate urgently.

Description

technical field [0001] The invention relates to a building fire monitoring system, in particular to an on-site alarm intelligent building fire monitoring system based on RS485 bus. Background technique [0002] In recent years, with the growth of GDP and the improvement of people's living standards, the places where people live, live and work have become more and more concentrated, and the occurrence of fire accidents has become more and more frequent, which has seriously affected people's lives and property safety. In order to prevent the occurrence of fire, fire monitoring of buildings is usually required. At present, building fire monitoring is an important part of building fire protection technology; however, most buildings now use traditional distributed smoke alarms to monitor fires. This monitoring method has limited information transmission and low degree of networking, which cannot meet modern requirements. need. Contents of the invention [0003] The purpose of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B17/06G08B17/10
CPCG08B17/06G08B17/10
Inventor 不公告发明人
Owner CHENGDU SIBOTE TECH CO LTD
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