CN202916972U

CN202916972U - Automatic fire alarm system

Info

Publication number: CN202916972U
Application number: CN 201220633117
Authority: CN
Inventors: 杨萍
Original assignee: Xian All Safe Science and Technology Co Ltd
Current assignee: Xian All Safe Science and Technology Co Ltd
Priority date: 2012-11-26
Filing date: 2012-11-26
Publication date: 2013-05-01
Anticipated expiration: 2022-11-26

Abstract

The utility model discloses an automatic fire alarm system. The automatic fire alarm system includes a fire control center server, a plurality of fire control center computers, a plurality of fire alarms, as well as a plurality of wireless fire detectors and a plurality of manual alarm button devices which are in wireless connection with the fire control center server; each wireless fire detector comprises an MSP430 single chip microcomputer, a power-supplying battery, a crystal oscillator circuit, a reset circuit, a data memory module, a first GPRS wireless communication module, a keyboard circuit module, a temperature sensor, a signal conditioning circuit module, an optical smoke sensor, a combustible gas sensor, an LCD and a fire indicating lamp; and each manual alarm button device comprises a 51 single chip microcomputer, a second GPRS wireless communication module, an alarm button, a floor setting button and a nixie tube display circuit module. The automatic fire alarm system of the utility model has the advantages of simple structure, reasonable design, reduced false alarm rate, high intelligence, and great significance for the protection of people's property and life safety.

Description

A kind of automatic fire alarm system

Technical field

The utility model relates to the intelligent security guard technical field, especially relates to a kind of automatic fire alarm system.

Background technology

Automatic fire alarm and fire-fighting linkage system, as an important subsystem in the intelligent building, its importance is well-known.Will create the environment of safety and comfort in the wisdom building, security against fire is one of them important aspect.Automatic fire alarm and fire-fighting linkage system, as in advance forecast, the fire of fire in time put out, ensure the person and property safety, played irreplaceable effect.Automatic fire alarm system is that people are for the early detection fire, and in time adopt an effective measure, control and stamp out a fire, and be arranged in the buildings or a kind of automatic fire-fighting facility in other place, it is human powerful of struggling with fire, but its intelligent degree of present fire alarm system is not high, misrepresent deliberately the rate of false alarm height, can not well be people's services.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of automatic fire alarm system for above-mentioned deficiency of the prior art, and it is simple in structure; reasonable in design; rate of false alarm is low, and intelligent degree is high, is significant for protection people's property and life security.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of automatic fire alarm system, it is characterized in that: comprise by the network switch be connected to fire control central server on the Internet network, many fire control central computers that join by LAN (Local Area Network) with the fire control central server and a plurality of fire-alarms that join with many described fire control central computers, and with the wireless connections of fire control central server and a plurality of wireless fire disaster detectors and a plurality of manual pull station device of communicating by letter; Described wireless fire disaster detector comprises that inside is integrated with the MSP430 single-chip microcomputer of A/D converter and is the supplying cell of each electricity consumption module for power supply in the fire detector, and the crystal oscillating circuit that joins with described MSP430 single-chip microcomputer, reset circuit, data-carrier store module and a GPRS wireless communication module of going out for the fire information wireless transmission that fire detector is detected, the input end of described MSP430 single-chip microcomputer is connected to the keyboard circuit module for the input control parameter, for detection of the temperature sensor of temperature signal with for signal being amplified the signal conditioning circuit module of processing with filtering, described signal conditioning circuit module is made of the pre-amplification circuit module and the filter circuit module that join successively, described filter circuit module and described A/D converter join, the combustible gas sensor that the input end of described amplifying circuit module is connected to for the optical smoke sensor that smog is detected and is used for inflammable gas is detected, the output terminal of described MSP430 single-chip microcomputer are connected to for the LCD display that shows the control parameter and are used to indicate the fire pilot lamp that fire occurs; Described manual pull station device comprises 51 single-chip microcomputers and the 2nd GPRS wireless communication module that joins with 51 single-chip microcomputers, the input end of described 51 single-chip microcomputers is connected to the warning button and is used for arranging the storey setting button of floor, and the output terminal of described 51 single-chip microcomputers is connected to for the digital pipe display circuit module that shows floor; A described GPRS wireless communication module and the 2nd GPRS wireless communication module all join by GPRS network and Internet network.

Above-mentioned a kind of automatic fire alarm system is characterized in that: described temperature sensor is digital temperature sensor MAX6575.

Above-mentioned a kind of automatic fire alarm system is characterized in that: described combustible gas sensor is FIGARO combustible gas sensor TGS813.

Above-mentioned a kind of automatic fire alarm system is characterized in that: described fire pilot lamp is the LED lamp.

The utility model compared with prior art has the following advantages:

1, the utility model is simple in structure, and is reasonable in design.

2, the utility model detects from three aspects by combustible gas sensor, optical smoke sensor, temperature sensor, has guaranteed the accuracy that detects, and effectively raises the fire alarm rate, has reduced rate of false alarm.

3, the utility model sends information by wireless network to the user, and its transmission is not subjected to distance affects, and the installation laying need not to connect telecommunication cable, easy-to-connect.

4, the utility model automatic fire alarm system can make people's early detection fire, and in time adopts an effective measure, and controls and stamps out a fire, and intelligent degree is high.

In sum, the utility model is simple in structure, and is reasonable in design, reduced rate of false alarm, and intelligent degree is high, is significant for protection people's property and life security.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is schematic block circuit diagram of the present utility model.

Fig. 2 is the schematic block circuit diagram of the utility model wireless fire disaster detector.

Fig. 3 is the schematic block circuit diagram of the utility model manual pull station device.

Description of reference numerals:

1-network switch; 2-Internet network;

3-fire control central server; 4-LAN (Local Area Network);

5-fire control central computer; 6-fire-alarm;

7-wireless fire disaster detector; 7-1-MSP430 single-chip microcomputer; 7-2-supplying cell;

7-3-crystal oscillating circuit; 7-4-reset circuit; 7-5-data-carrier store module;

7-6-the one GPRS wireless communication module; 7-7-fire pilot lamp;

7-8-keyboard circuit module; 7-9-temperature sensor; 7-10-amplifying circuit module;

7-11-filtering circuit mould; 7-12-A/D converter;

7-13-optical smoke sensor; 7-14-combustible gas sensor;

7-15-LCD display; 8-manual pull station device; 8-1-51 single-chip microcomputer;

8-2-warning button; 8-3-storey setting button;

8-4-digital pipe display circuit module; 8-5-the 2nd GPRS line communication module;

9-GPRS network.

Embodiment

Such as Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprise by the network switch 1 be connected to fire control central server 3 on the Internet network 2, many fire control central computers 5 that join by LAN (Local Area Network) 4 with fire control central server 3 and a plurality of fire-alarms 6 that join with many described fire control central computers 5, and with 3 wireless connections of fire control central server and a plurality of wireless fire disaster detectors 7 and a plurality of manual pull station device 8 of communicating by letter; Described wireless fire disaster detector 7 comprises that inside is integrated with the MSP430 single-chip microcomputer 7-1 of A/D converter 7-12 and is the supplying cell 7-2 of each electricity consumption module for power supply in the fire detector 7, and the crystal oscillating circuit 7-3 that joins with described MSP430 single-chip microcomputer 7-1, reset circuit 7-4, data-carrier store module 7-5 and a GPRS wireless communication module 7-6 who goes out for the fire information wireless transmission that fire detector 7 is detected, the input end of described MSP430 single-chip microcomputer 7-1 is connected to the keyboard circuit module 7-8 for the input control parameter, for detection of the temperature sensor 7-9 of temperature signal with for signal being amplified the signal conditioning circuit module of processing with filtering, described signal conditioning circuit module is made of the pre-amplification circuit module 7-10 that joins successively and filtering circuit mould 7-11 piece, described filtering circuit mould 7-11 piece and described A/D converter 7-12 join, the combustible gas sensor 7-14 that the input end of described amplifying circuit module 7-10 is connected to for the optical smoke sensor 7-13 that smog is detected and is used for inflammable gas is detected, the output terminal of described MSP430 single-chip microcomputer 7-1 are connected to for the LCD display 7-15 that shows the control parameter and are used to indicate the fire pilot lamp 7-7 that fire occurs; Described manual pull station device 8 comprises 51 single-chip microcomputer 8-1 and the 2nd GPRS wireless communication module 8-5 that joins with 51 single-chip microcomputer 8-1, the input end of described 51 single-chip microcomputer 8-1 is connected to warning button 8-2 and is used for arranging the storey setting button 8-3 of floor, and the output terminal of described 51 single-chip microcomputer 8-1 is connected to for the digital pipe display circuit module 8-4 that shows floor; A described GPRS wireless communication module 7-6 and the 2nd GPRS wireless communication module 8-5 all join by GPRS network 9 and Internet network 2.

In the present embodiment, described temperature sensor 7-9 is digital temperature sensor MAX6575.Described combustible gas sensor 7-14 is FIGARO combustible gas sensor TGS813.Described fire pilot lamp 7-16 is the LED lamp.

During use, a plurality of wireless fire disaster detectors 7 and a plurality of manual pull station device 8 can be laid in respectively in a plurality of floors.When manual pull station device 8 is installed, can floor data be set by storey setting button 8-3,51 single-chip microcomputer 8-1 receive the data that arrange and store, and are presented on the digital pipe display circuit module 8-4.

Principle of work of the present utility model and the course of work are: in a kind of situation, the smog data of optical smoke sensor 7-13 and combustible gas sensor 7-14 difference collection site and the concentration data of inflammable gas, and by amplifying circuit module 7-10 amplification, filtering circuit mould 7-11 filtering, A/D converter 7-12 conversion is input to MSP430 single-chip microcomputer 7-1, temperature sensor 7-9 collection site temperature is transferred to MSP430 single-chip microcomputer 7-1, MSP430 single-chip microcomputer 7-1 analyzing and processing data, when measured value when being arranged on the data of data-carrier store module 7-5 by keyboard circuit module 7-8, MSP430 single-chip microcomputer 7-1 is by a GPRS wireless communication module 7-6, GPRS network 9, Internet network 2, the network switch 1 is transferred to fire control central server 3 with warning message, fire control central server 3 analyzing and processing data are transferred to fire control central computer 5 by LAN (Local Area Network) 4, and fire control central computer 5 is reported to the police by fire-alarm 6 after receiving information; In the another kind of situation, after it is found that fire, press the warning button 8-2 on the manual pull station device 8,51 single-chip microcomputer 8-1 gather from the alerting signal of warning button 8-2 input and by the 2nd GPRS wireless communication module 8-5, GPRS network 9, Internet network 2, the network switch 1 warning message are transferred to fire control central server 3, fire control central server 3 analyzing and processing data are transferred to fire control central computer 5 by LAN (Local Area Network) 4, and fire control central computer 5 is reported to the police by fire-alarm 6 after receiving information.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.

Claims

1. automatic fire alarm system, it is characterized in that: comprise by the network switch (1) be connected to fire control central server (3) on the Internet network (2), many fire control central computers (5) that join by LAN (Local Area Network) (4) with fire control central server (3) and a plurality of fire-alarms (6) that join with many described fire control central computers (5), and a plurality of wireless fire disaster detectors (7) and a plurality of manual pull station device (8) of also communicating by letter with fire control central server (3) wireless connections; Described wireless fire disaster detector (7) comprises that inside is integrated with the MSP430 single-chip microcomputer (7-1) of A/D converter (7-12) and is the supplying cell (7-2) of each electricity consumption module for power supply in the fire detector (7), and the crystal oscillating circuit (7-3) that joins with described MSP430 single-chip microcomputer (7-1), reset circuit (7-4), data-carrier store module (7-5) and a GPRS wireless communication module (7-6) of going out for the fire information wireless transmission that fire detector (7) is detected, the input end of described MSP430 single-chip microcomputer (7-1) is connected to the keyboard circuit module (7-8) for the input control parameter, for detection of the temperature sensor (7-9) of temperature signal with for signal being amplified the signal conditioning circuit module of processing with filtering, described signal conditioning circuit module is made of the pre-amplification circuit module (7-10) of joining successively and filtering circuit mould (7-11) piece, described filtering circuit mould (7-11) piece and described A/D converter (7-12) join, the combustible gas sensor (7-14) that the input end of described amplifying circuit module (7-10) is connected to for the optical smoke sensor (7-13) that smog is detected and is used for inflammable gas is detected, the output terminal of described MSP430 single-chip microcomputer (7-1) are connected to for the LCD display (7-15) that shows the control parameter and are used to indicate the fire pilot lamp (7-7) that fire occurs; Described manual pull station device (8) comprises 51 single-chip microcomputers (8-1) and the 2nd GPRS wireless communication module (8-5) that joins with 51 single-chip microcomputers (8-1), the input end of described 51 single-chip microcomputers (8-1) is connected to warning button (8-2) and is used for arranging the storey setting button (8-3) of floor, and the output terminal of described 51 single-chip microcomputers (8-1) is connected to for the digital pipe display circuit module (8-4) that shows floor; A described GPRS wireless communication module (7-6) and the 2nd GPRS wireless communication module (8-5) all join by GPRS network (9) and Internet network (2).

2. according to a kind of automatic fire alarm system claimed in claim 1, it is characterized in that: described temperature sensor (7-9) is digital temperature sensor MAX6575.

3. according to a kind of automatic fire alarm system claimed in claim 1, it is characterized in that: described combustible gas sensor (7-14) is FIGARO combustible gas sensor TGS813.

4. according to a kind of automatic fire alarm system claimed in claim 1, it is characterized in that: described fire pilot lamp (7-16) is the LED lamp.