CN2214060Y - Automatic telephone siren for fire - Google Patents

Abstract

The utility model provides an automatic telephone voice siren for fire, relating to a fire siren which can transmit voice alarm signals through a telephone line. The utility model is mainly characterized in that a microprocessor is used to carry out processing and control and carries out processing to the fire signals detected by an infrared detection circuit and a thermistor detection circuit; the utility model through a voice memory, a voice processor and a telephone dialing circuit can automatically dial telephone numbers which are recorded into a microcomputer memory beforehand, and then transmits alarm sentences which are stored in the voice memory out. Thus, the utility model has the advantages of strong interference rejection, simple structure, convenient installation and operation, good effect of alarm, low cost, reliability, etc.

Description

Automatic telephone siren for fire

The utility model relates to a kind of warning device, a kind of telephone line that utilizes transmits alarm signal automatically, realizes the device that voice call is reported to the police that carries out to fire.

Existing alarm mostly is burglar alarm greatly, and sends the sound and light alarm signal based on the scene, and the composition of this alarm is fairly simple, includes input, Electronic Control, warning etc.Along with science and technology development, this alarm does not satisfy the needs of daily life far away.On the market a kind of alarm that utilizes phone to transmit alarm signal has automatically appearred recently, they utilize various sensing elements to obtain induced signal, transfer signals in the microprocessor by signal deteching circuit and to be handled, and warning message is passed to the center of accepting of reporting to the police from telephone line by telephone line interface, realize reporting to the police automatically, as Chinese patent 90206121.6, name is called phonetic alarm telephone, this phonetic alarm telephone mainly synthesizes feature with language, pass through signal deteching circuit, microprocessor, and the signal alarm circuit etc., realize automatically directly to alarm center warning language message, its structure more complicated, and general is sent the warning language message to alarm center, is subjected to alert excentral place and can not notify to remove, and the effect of language alarm is not satisfactory, be to carry out the synthetic and transmission of language fairly simplely, initiative is relatively poor, involves great expense, and difficulty is applied.

The purpose of this utility model is in order to overcome the deficiency of above-mentioned existence, and provide a kind of region that is not subjected to limit, relatively simple for structure, the warning effect is better, and easy to install, carry out the voice fire automatic telephone alarm of audio alert automatically by ordinary telephone wiring.

The purpose of this utility model is finished by following technical solution, it comprises testing circuit, microcomputer control circuit and alarm call etc., warning circuit comprise telephone dialer circuit that is made of dial-up circuit and telephone line interface circuit and the voice alarm circuit that is made of speech memory and speech processor; Wherein dial-up circuit is made of special-purpose integrated package MT8880 and peripheral circuit, microprocessor single-chip microcomputer U ₃P _0.0～P _0.7Pin and memory under program U ₄00～07 pin be connected to U ₆00～03 pin of integrated package MT8880, and U ₆On

/ CP pin is by reverser U _8BBe connected to single-chip microcomputer U ₃P ₃₂Port, above-mentioned dial-up circuit joins by telephone line interface circuit and telephone line.

The speech processor of described voice alarm circuit is selected the special-purpose integrated package of YYH402 for use, and is equipped with 27C256,32KEPROM speech memory, single-chip microcomputer U ₃Pass through P _1.3Be connected to the STOP pin of YYH402, pass through P _3.1Pin is connected to the play2 pin of YYH402.

Testing circuit described in the utility model comprises infrared circuit and temperature-sensitive testing circuit, and wherein infrared circuit comprises the red pipe DT that penetrates ₁With receiving tube DT ₂, at infrared emission tube DT ₁Clapp oscillator D ₁, at infrared receiving tube DT ₂After be connected to demodulator D ₂And the temperature-sensitive testing circuit comprises the electric bridge that is made of thermistor and the voltage comparator N behind this electric bridge ₁: A.

After above-mentioned two groups of testing circuits and be connected to the microcomputer interface circuit that one road photoelectric coupling circuit is formed, the one tunnel is connected to single-chip microcomputer U on it ₃Signal input pin P _1.4～P _1.6On, and another road is connected to single-chip microcomputer U ₃P _1.7On the pin as signal feedback loop, so that realize the self check process of testing circuit.

Description of drawings is as follows:

Fig. 1 is a functional-block diagram of the present utility model.

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

Fig. 3 is the circuit theory diagrams of microcomputer interface circuit of the present utility model.

Fig. 4 is the circuit theory diagrams of microcomputer control circuit of the present utility model.

Fig. 5 is the circuit theory diagrams of telephone dialer circuit of the present utility model.

Fig. 6 is the circuit theory diagrams of speech processes phone of the present utility model.

To be described in detail the utility model by accompanying drawing below: Fig. 1, the utility model comprises testing circuit, microcomputer control circuit, speech processing circuit, four major parts such as telephone dialer circuit, wherein testing circuit adopts two groups respectively with the infrared circuit 1 and the temperature-sensitive testing circuit 2 of a plurality of external individual detectors interfaces, infrared circuit 1, adopt the infrared external reflection mode, the reflex that produces smog when fire is taken place reaches the purpose that detects smog, warning, and the temperature-sensitive testing circuit detects ambient temperature by the thermistor temperature-sensitive.More than two groups of testing circuits be connected on the single-chip microcomputer 4 in the microcomputer control circuit by one group of microcomputer interface circuit 3, this single-chip microcomputer 4 is address latch 5 and memory under programs 6 in addition, and have constituted the minimum unit of microprocessor.Speech processing circuit comprises speech memory 7 and speech processor 8, and telephone dialer circuit comprises dial-up circuit 9 and telephone line interface circuit 10.Warning work is carried out dialing respectively and is play the audio alert signal by above-mentioned system controlled by computer speech processing circuit and telephone dialer circuit.Automatically telephone number of dialing and warning statement are by in user's prior typing microcomputer memory and the speech-sound storage device.

Fig. 2, infrared circuit 1 adopts the infrared reflection formula of putting to detect, and infrared external reflection pipe DT is arranged ₁Put pipe DT with infrared connecing ₂Be serially connected in the circuit, at infrared transmitting tube DT ₁The front be connected to the clapp oscillator D that the NE555 integrated package constitutes ₁, by this clapp oscillator D ₁Drive infrared transmitting tube DT ₁Send the infrared waves of the about 40KZH of frequency, by infrared receiving tube DT ₂The infrared signal that the smog that reception is produced by fire reflects back makes the infrared demodulator D that is made of 2184 integrated packages that is serially connected with the infrared receiving tube back ₂Export an alarm signal.Temperature-sensitive testing circuit 2 is by thermistor R ₇With R ₆And W ₃The electric bridge that constitutes, when ambient temperature changes, thermistor R ₇Resistance can change thereupon, by voltage comparator N ₁: A and reference voltage send alarm signal after relatively.Infrared alarm signal and temperature-sensitive alarm signal are connected to amplifying triode T ₁On carry out signal and amplify, then by plug socket X ₁Be connected in microcomputer interface circuit.

Fig. 3, microcomputer interface circuit are provided with a plurality of external independently testing circuit interfaces, can be with a plurality ofly such as above-described testing circuit, and each testing circuit interface is by above two groups of testing circuits and connect and form.The testing circuit interface is by above two groups of testing circuits and connect and form.The testing circuit interface is four pin plug sockets, three identical plug sockets is set as three testing circuit interfaces independently, each plug socket (JP here ₆, JP ₇, JP ₈) correspondence is connected with the photoelectric coupling pipe ISO of input ₂, ISO ₃, ISO ₄, and respectively lotus root close output and be connected to single-chip microcomputer U in the microcomputer control circuit ₃On P _1.6, P _1.5, P _1.4On the pin, and single-chip microcomputer U ₃P ₁₇Pin is by a reverser U _7EAnd photoelectric coupling pipe 2SO1 connects respectively on the pin of above-mentioned three plug sockets, as the self-test signal input channel of microprocessor.

Fig. 4, microcomputer controlled electro route single-chip microcomputer U ₃And the address latch U that sets up ₅With memory under program U ₄Constitute, become a kind of microcomputer of minimum unit, here single-chip microcomputer U ₃Select the 80C31 integrated package for use, address latch U ₅Select the 74HC373 integrated package for use, memory under program U ₄Select the 27C64 integrated package for use, the normal detected state of microcomputer control circuit is respectively fire signal and detects and the signal self check, single-chip microcomputer U ₃Pass through P _1.7The human hair combing waste depanning is self-test signal seemingly, and passes through P _1.6, P _1.5, P _1.4Pin is sampled respectively and is determined to close P _1.7Pin, cycle detection P _1.6, P _1.5, P _1.4Pin, if arbitrary pin has the signal input, then microcomputer control circuit is analyzed this signal respectively, is defined as fire signal and then sends warning.

Fig. 5, telephone dialer circuit is made of dial-up circuit and telephone line interface circuit.Dial-up circuit is by special-purpose integrated package MT8880U ₆And peripheral circuit forms, and the MT8880 integrated package is a kind of dual-tone multifrequency receiver transmitter with computer interface, can be well and single-chip microcomputer U ₃Be connected.Single-chip microcomputer U ₃P _0.0～P _0.7Pin and program have storage U ₄00～07 pin be connected to U ₆00～03 pin, and U ₆On / CP pin is connected to single-chip microcomputer U by a reverser U8B ₃The P32 port.Microcomputer comes sheet to select MT8880 by data address and sets its operating state, and be in send mode or call treatment mode with software mode control MT8880 as required, in process of transmitting, MT8880 sends into telephone line interface circuit with the telephone number that microprocessor is sent here in double-tone frequency mode.Be to be in to detect stored-program control exchange and send the various information of returning when being in the call treatment simulation, if double-audio signal and busy tone are arranged, ring-back tone, when signals such as off hook tone exist,

/ CP pin then has the pulse that time of occurrence is identical with it to occur, and microcomputer is by the output to MT8880 The sampling of/CP pin, analysis with the judgement state of called telephone, thereby are determined the further work mode.Telephone line interface circuit is connected to respectively on the TONE pin and IN-OE pin of MT8880 by input, output two-way, and it is by amplifying triode Q ₅, Q ₄, Q ₃And diode, compositions such as resistance, and be connected on the telephone line in the plug socket mode.

Fig. 6, the speech processes phone comprises speech memory U ₁With speech processor U ₂And peripheral circuit, speech processor U ₂Employing YYH402 is a core, joins 27C256,32KEPROM outward as speech memory U ₁, this speech memory U ₁Divide two sections (each 16K byte) to write, write fire alarm signal for one section, write failure alarm signal for one section, microcomputer is by single-chip microcomputer U ₃P _3.0Pin connects speech memory U ₁A ₁₄Pin (highest addresses), thus control during audio alert the output alarm kind select signal, and speech processor U ₂High address A ₁₄Stop playback STOP end with it and link to each other, realize 16K bytes range addressing playback, single-chip microcomputer U by reverser ₃Pass through P _1.3Pin is sampled in speech processor U ₂STOP end, to determine the end of playback, pass through P _3.1Pin is connected to speech processor U ₂Play2 end, reach complete loop playback purpose.

Among Fig. 2: R ₁=1K R ₂=4.7, R ₃=200K R ₄=100 R ₅=22K R ₆=5.1K R ₇=10K R ₈=5.1K W ₁=4.7K W ₂=220 W ₃=10K C ₁=C ₂=C ₃=0.01 μ C ₄=1 μ C ₅=3.3 μ C ₆=330, C ₇=47 μ C ₈=1 μ DT ₁Select PH301 for use, DT ₂Select PH302 for use, D ₁Select NE555 D for use ₂Select 2184 for use, T ₁Select 9012 X for use ₁Select for use 4P1N N1:A to select LM393ZD for use ₁And ZD ₂Select 1N4001 for use

Among Fig. 3: R ₃₇=R ₃₈=R ₃₉=2.7K R ₃₆=R ₄₀=R ₄₁=R=360 U _TESelect for use 7406 ISO1～ISO4 to select TCP521-1 for use, JP ₆, JP ₇And JP ₈Select HEADER4 for use

Among Fig. 4: R ₁₁=300 R ₁₂=3.6K R ₃₃=R ₃₄=510 C ₁₁=10 μ 16V C ₁₂=C ₁₃=30P Y ₁=6M U ₃Select 80C31 single-chip microcomputer U for use ₄Select 27C64 U for use ₅Select 74HC373 U for use _7AAnd U _7BSelect 7406 for use

Among Fig. 5: R ₁₄=R ₁₅=4.7K R ₁₆=50 R ₁₇=27K, R ₁₈=62K R ₁₉=620 R ₂₀=2K R ₂₁=7K R ₂₂=510 R ₂₃=4.7K R ₂₄=10K R ₂₅=510 R ₂₆=56K R ₂₇=220K R ₂₈=1K R ₂₉=10K R ₃₀=100K U ₆Select μ T8880 for use, U _8C, U _8B, U _8AAll select 74HC132 JP for use ₁Select DYC Q for use ₁Select 9013 for use, Q ₂Select 9012 Q for use ₃Select C2383 Q for use ₄Select A1400 Q for use ₅Select 9013 Y for use ₂=3.5795M, ZD ₃～ZD ₅Select IN4003 ZD for use ₇Select voltage stabilizing triode 60V ZD for use ₈Select 1N4001 for use, Q ₆Select 9012 for use, Q ₇Select C2383 for use, Q ₈Select A1400 for use, Q ₉Select 9013 for use, Q ₁₀Select 9013 for use.

Among Fig. 6, R ₄₃=10K, R ₄₄=1K, R ₄₅=33K, R ₄₆=2K, R ₄₇=510, R ₄₈=62K, R ₄₉=1K, R ₅₀=20K, R ₅₁=360, R ₅₂=62K, R ₅₃=24K, R ₅₄=510 C ₁₄=0.01 C ₁₅=1 μ/16V C ₁₆=25P C ₁₇=25P C ₁₈=0.1 μ C ₁₉=1 μ/16V, U ₁Select 27C256 for use, U ₂Select YYH402 U for use _7CAnd U _7DSelect 7406 Q for use ₁₁Select 9013 JP for use ₉Select HEADER for use.

The utility model also can be joined a rechargable battery group outward, and this rechargeable battery set can automatically switch when having a power failure and power, and then is in floating charge state at ordinary times, to keep the power supply abundance of battery.

The utility model compared with prior art has:

1, higher anti-interference, it adopts fired infrared receiver, is to use modulatedemodulate The accent mode is processed, and infrared interference has certain inhibitory action to external world, and mutually isolation between each detector, can not produce and disturb mutually phenomenon.

2, good reliability, the quality of the temperature detection part of each detector of this device energy self check, under non-alarm condition, send at regular intervals a simulation high temperature signal to LM373 comparison input by microcomputer, by the LM393 output detections is determined whether temperature channel is normal, the fault computer-chronograph sends detector failures and reports to the police.

3, simple in structure, it is low to make cost, and this device design circuit is succinct, and microsystem and audio alert all adopt minimum system and unit and special IC, automaticity height.

4, use installation not to be subjected to regional limits, more convenient, directly by common home telephone circuit, send audio alert to the alert phone that is subjected to of being stored in advance, thereby it is effective to report to the police, applied widely.

Claims (4)

1, a kind of voice fire automatic telephone alarm, it comprises testing circuit, microcomputer control circuit, warning circuits etc. is characterized in that warning circuit comprises the telephone dialer circuit that dial-up circuit (9) and telephone line interface circuit (10) constitute; By the voice alarm circuit that speech memory (7) and speech processor (8) constitute, wherein dial-up circuit (9) is by U ₆Special-purpose integrated package MT8880 and peripheral circuit constitute single-chip microcomputer U in the microcomputer control circuit ₃And P _0.0～P _0.7Pin and memory under program U ₄00～07 pin be connected to U ₆00～03 pin of integrated package MT8880, and U ₆On

/ CP pin is connected to single-chip microcomputer U by reverser U8B ₃P ₃₂On the port.

2, voice fire automatic telephone alarm as claimed in claim 1 is characterized in that the speech processor (8) of described phonetic alarm telephone is selected the special-purpose integrated package U of YYH402 for use ₂, and be equipped with 27C256,32KEPROM speech memory U ₁, single-chip microcomputer U ₃Pass through P _1.3Pin is connected to U ₂The STOP pin, pass through P _3.1Pin is connected to U ₂The Play2 pin.

3, voice fire automatic telephone alarm as claimed in claim 1 or 2 is characterized in that described testing circuit comprises (2) two groups of infrared circuit (1) and temperature-sensitive testing circuits, and wherein infrared detection phone (1) comprises infrared emission tube DT ₁With receiving tube DT ₂, at infrared emission tube DT ₁Before be connected to clapp oscillator D ₁, at infrared receiving tube DT ₁After be connected to infrared demodulator D ₂And temperature-sensitive testing circuit (2) comprises by thermistor R ₇Electric bridge that constitutes and the voltage comparator N1:A behind this electric bridge.

4, voice fire automatic telephone alarm as claimed in claim 3 is characterized in that after two groups of testing circuits and is connected to the microcomputer interface circuit (3) that No. one photoelectrical coupler is formed that this interface circuit (3) one tunnel is connected to single-chip microcomputer U ₃Input pin (P _1.4～P _1.6) on, another road is connected to single-chip microcomputer U ₃P _1.7On the pin as signal feedback self check loop.

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