CN202110648U

CN202110648U - Multifunctional wireless fire-fighting monitoring module

Info

Publication number: CN202110648U
Application number: CN2011202262782U
Authority: CN
Inventors: 傅梨花
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-30
Filing date: 2011-06-30
Publication date: 2012-01-11
Anticipated expiration: 2021-06-30

Abstract

The utility model relates to the fire-fighting technical field, in particular to a multifunctional wireless fire-fighting monitoring module, which comprises an external trigger receiving circuit, a singlechip control circuit a GSM (Global System for Mobile Communications) short message transmit-receive circuit, an alarm circuit, a control drive circuit, and a carrier wave signal phase-lock circuit, wherein signals acquired by the external trigger receiving circuit are sent to the singlechip control circuit and then controlled to output to the alarm circuit, the control drive circuit and the carrier wave signal phase-lock circuit by the singlechip control circuit; the output signals of the carrier wave signal phase-lock circuit are sent to a carrier wave signal decoding circuit through a frequency-selective amplifier circuit; and the singlechip control circuit and the GSM short message transmit-receive circuit are in two-way data communication. When the GSM has no net signals or is in a breakdown state, double wireless warning function can be realized, and a cut-off device is driven to start up related fire fighting equipment, so as to effectively guarantee the normal running of fire fighting alarm equipment.

Description

Multifunction wireless fire-fighting monitoring modular

Technical field

The utility model relates to the fire prevention field, particularly be a kind of multifunction wireless fire-fighting monitoring modular.

Background technology

Fire product such as fire are reported warning system, fire-fighting emergency power supply EPS, extinguishing device etc., play an important role in fire fighting monitoring fire extinguishing field.Most fire product all has the installation supervising device, in case fire protection monitoring device breaks down, constitutes a threat to just will for people's life security, also brings immeasurable economic loss to fire-fighting fire extinguishing.

The utility model content

The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of multifunction wireless fire-fighting monitoring modular is provided.

The utility model solves the technical scheme that its technical matters adopted: multifunction wireless fire-fighting monitoring modular; Comprise external trigger receiving circuit, single chip machine controlling circuit, GSM short message receiving-transmitting circuit, warning circuit, control Driver Circuit and carrier signal phase lock circuitry; The signal of said external trigger receiving circuit collection sends to single chip machine controlling circuit; Export warning circuit, control Driver Circuit and carrier signal phase lock circuitry to by single chip machine controlling circuit control; The output signal of said carrier signal phase lock circuitry sends to the carrier signal decoding scheme through the frequency-selecting amplifier circuit, said single chip machine controlling circuit and GSM short message receiving-transmitting circuit bidirectional data communication.

Said external trigger receiving circuit by the resistance R 6 that connects successively, be connected in fire-distinguishing alarming system often open trigger switch K1 and photoelectricity coupled circuit IC2 constitutes.

Said carrier signal phase lock circuitry is made up of LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof.

Said frequency-selecting amplifier circuit is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to the carrier signal decoding scheme through secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T.

Said carrier signal decoding scheme is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.

Through adopting above-mentioned technical scheme; The beneficial effect of the utility model is: this module adopts the optocoupler trigger circuit to make signals collecting fire protection warning equipment failure signal, after Single-chip Controlling, can send alerting signal and carrier signal radiating circuit, carrier wave main frame receiving circuit by the GSM transceiver module; When GSM does not have each signal of net or fault; Accomplish dual radio alarming function, drive breaker device simultaneously and start relevant fire fighting equipment, effectively ensure the normal operation of fire protection warning equipment.

Description of drawings

Fig. 1 is the frame assumption diagram of the utility model;

Fig. 2 is the circuit theory diagrams of the utility model.

Embodiment

Like Fig. 1, shown in Figure 2; The multifunction wireless fire-fighting monitoring modular of the utility model; Comprise external trigger receiving circuit 1, single chip machine controlling circuit 2, GSM short message receiving-transmitting circuit 3, warning circuit 4, control Driver Circuit 5 and carrier signal phase lock circuitry 6; The signal that said external trigger receiving circuit 1 is gathered sends to single chip machine controlling circuit 2; Export warning circuit 4, control Driver Circuit 5 and carrier signal phase lock circuitry 6 to by single chip machine controlling circuit 2 controls, the output signal of said carrier signal phase lock circuitry 6 sends to carrier signal decoding scheme 8 through frequency-selecting amplifier circuit 7, said single chip machine controlling circuit 2 and GSM short message receiving-transmitting circuit 3 bidirectional data communications.

Said external trigger receiving circuit 1 by the resistance R 6 that connects successively, be connected in fire-distinguishing alarming system often open trigger switch K1 and photoelectricity coupled circuit IC2 constitutes; When fire-distinguishing alarming system detects the fire dangerous situation; Trigger switch K1 is by transferring normally closed point normal battle to; Photoelectricity coupled circuit IC2 is in conducting state, is low level state.The 38th pin I/O that this signal is input to single-chip microcomputer IC1 also is low level state; After single-chip microcomputer IC1 internal logic is judged; Divide four the tunnel to send control signal; First via output is by GSM short message transceiving module IC3, and the 1st, 2,3,4 pin of resistance R 2, R3, R4, R5 and single-chip microcomputer IC1 are formed the GSM datel circuit, sends data command by single-chip microcomputer IC1 and drives GSM short message transceiving module IC3 to designated person's mobile phone transmission warning message.The second tunnel output is by the 6th pin output low level of single-chip microcomputer IC1, and driving loudspeaker BBY sends and " ticks.。。" alarm sound, the expression fire dangerous situation is arranged.Third Road output is formed carrier signal phase lock circuitry 6 by the multivibrator that LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof constitute; Its oscillation frequency is by the parameter determining of electric capacity 2C1, resistance 2R1, and carrier frequency is adjusted in the 150-300KHZ scope.Elementary L1, electric capacity 2C2, capacitor 2C3 by triode VT1, audio-frequency transformer (AFT) T constitute frequency-selecting amplifier circuit 7; The 24th pin output high level signal by single-chip microcomputer IC1; Make LM567 tone decoder U1 obtain working power; LM567 tone decoder U1 starts working, and is coupled on local telephone network speaking wire or the AC network AC220V power lead and is sent by secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T, sends data-signal to the carrier wave main frame.

Said carrier signal decoding scheme 8 is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively; The time constant of resistance 1R1, electric capacity 1C5 network has determined the voltage controlled oscillator of LM567 ATD U2; When the carrier wave extension set when main frame sends 150-300KHZ carrier wave command signal; Be coupled to the secondary L3 of audio-frequency transformer (AFT) T through electric capacity 1C1, audio-frequency transformer (AFT) T1, its secondary L3, electric capacity 1C2, electric capacity 1C3 form a carrier wave frequency selection network.Signal after the frequency-selecting is coupled to the 3rd pin signal input part of LM567 ATD U2 through electric capacity 1C4; After LM567 ATD U2 decoding,, make triode VT2 conducting by its 8th pin output terminal output low level; LED is lighted; The carrier data signal of receiving extension set is described, is represented breaking out of fire, the fire extinguishing of please reaching the spot the very first time.The four tunnel output through resistance R 9 current limlitings, causes triode Q1 by the 32nd pin output low level signal of single-chip microcomputer IC1, and relay J 1 adhesive promotes contactor KM energized, starts other fire fighting equipment operations.

An above-described preferred embodiment that is merely the utility model can not limit the scope that this practicality is implemented, and every equalization of being done according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.

Claims

1. multifunction wireless fire-fighting monitoring modular; It is characterized in that: comprise external trigger receiving circuit (1), single chip machine controlling circuit (2), GSM short message receiving-transmitting circuit (3), warning circuit (4), control Driver Circuit (5) and carrier signal phase lock circuitry (6); The signal that said external trigger receiving circuit (1) is gathered sends to single chip machine controlling circuit (2); Export warning circuit (4), control Driver Circuit (5) and carrier signal phase lock circuitry (6) to by single chip machine controlling circuit (2) control; The output signal of said carrier signal phase lock circuitry (6) sends to carrier signal decoding scheme (8) through frequency-selecting amplifier circuit (7), said single chip machine controlling circuit (2) and GSM short message receiving-transmitting circuit (3) bidirectional data communication.

2. multifunction wireless fire-fighting monitoring modular according to claim 1 is characterized in that: said external trigger receiving circuit (1) by the resistance R 6 that connects successively, be connected in fire-distinguishing alarming system often open trigger switch K1 and photoelectricity coupled circuit IC2 constitutes.

3. multifunction wireless fire-fighting monitoring modular according to claim 1 is characterized in that: said carrier signal phase lock circuitry (6) is made up of LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof.

4. multifunction wireless fire-fighting monitoring modular according to claim 1; It is characterized in that: said frequency-selecting amplifier circuit (7) is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to carrier signal decoding scheme (8) through secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T.

5. according to claim 1 or 4 described multifunction wireless fire-fighting monitoring modulars, it is characterized in that: said carrier signal decoding scheme (8) is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.