CN2318772Y

CN2318772Y - Voice automatic alarm combined with telephone

Info

Publication number: CN2318772Y
Application number: CN 98208978
Authority: CN
Inventors: 李源
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-09
Filing date: 1998-04-09
Publication date: 1999-05-12
Anticipated expiration: 2008-04-09

Abstract

The utility model relates to a telephone voice automatic alarm, provided with an operating voice prompting circuit which is recorded in and solidified with voice signals for man-machine conversation, and can not power down or loss contents; a control end of the operating voice prompting circuit is connected with a single chip computer, and an output end for solidified voice signal is connected with a trunk circuit of a telephone line. A 'black box' structure without any indicator lights or keys can be adopted, so the alarm arranged on a concealment separated from the telephone can not be destroyed and thus raise safety.

Description

The call voice autoalarm

The utility model belongs to a kind of device that utilizes telephone wire to report to the police automatically.

The telephone automatic alarm device is to call for help or during other alert in breaking out of fire, illegal invasion, acute disease, in time by the device of telephone wire to parties concerned's warning, how existing this class device is provided with a plurality of display elements and buttons on alarm, instruct the carrying out that pre-sets, cancels setting or other operation of alarm signal by the current state of display alarm.So alarm will be put together with phone, disguise and confidentiality are bad, easily destroyed.

The utility model aims to provide a kind of good concealment, and is simple in structure, the call voice autoalarm of easy operating.

The technical scheme that realizes above-mentioned purpose is (referring to Fig. 1), the utility model is provided with housing, be provided with in the housing and can coordinate each element circuit work, but and have an one-chip computer module (1) that data memory is preserved in power down, can send the probe of alarm signal, has speech recording and reproducing function, the warning message treatment circuit (2) of recording substance is not lost in power down, can decipher signaling circuit (4) frequently to the phone double-tone of decoding of phone double-audio signal and signaling, automatic switching circuit (6), and have the artificial handoff functionality of simulation, can transmit telephone keypad, audio alert, the telephone line repeat circuit (5) of audio signals such as audio coding; The output of described alarm probe connects single-chip microcomputer (1) input, alarm voice message circuit (2) control end and single-chip microcomputer join, be connected with the transmission of telephone line repeat circuit (5) two-way signaling simultaneously, telephone line repeat circuit (5) is deciphered signaling circuit (4) frequently by double-tone and is connected with the transmission of single-chip microcomputer two-way signaling, the audio output of outside line and subscriber phone links to each other with telephone line repeat circuit (5) by being subjected to monolithic processor controlled automatic switching circuit (6), and being provided with in the telephone line repeat circuit can the transmitted in both directions audio signal, and the audio frequency transformer that telephone network and this device power-supply system are isolated; It is characterized in that:

This device also is provided with typing and is solidified with the operation voice warning circuit (6) that content is not lost in human-computer dialogue voice signal, power down, and its control end links to each other with single-chip microcomputer, solidifies the voice signal output and links to each other with telephone line repeat circuit (5).

Operation principle of the present utility model is: in advance various fixedly suggestion voice signals by certain procedure operation are solidified to be stored in and operate voice warning circuit (3) lining, the user opens alarm and picks up a receiver, single-chip microcomputer is that the follow procedure tissue is finished each operation indicating voice signal, and be transferred in the telephone receiver by telephone line repeat circuit (5), operate with interactive mode guides user, the user can be under voice suggestion, required alarm call number etc. is imported with telephone keypad, pass to double-tone through the telephone wire repeat circuit and decipher signaling circuit (4) frequently, but the power down of storing one-chip computer module after the decoding is preserved in the data memory, more corresponding warning message is imported and is recorded to by monolithic processor controlled warning message treatment circuit (2) lining by microphone and telephone wire repeat circuit simultaneously.Generally, automatic switching circuit is in off state by Single-chip Controlling, and telephone wire repeat circuit and outside line are disconnected, and the telephone set that is connected on the outside line uses as usual.When probe sends alarm signal, single-chip microcomputer starts automatic switching circuit on the one hand this device telephone line repeat circuit and outside line is connected, and make the simulation of telephone line repeat circuit be (low resistance) phone off hook state, but single-chip microcomputer will exist power down to preserve corresponding alarm call in the data memory or PB plane No. sign indicating number to be passed to double-tone and to decipher frequently in the signaling circuit on the other hand, decoding back simulation keyboard dialing sends on the outside line by the telephone line repeat circuit that is in the simulation off hook state, the outside line of single-chip microcomputer identification simultaneously is to be in that the line is busy, busy tone, or on-state, the line is busy as if being in, the busy tone state, single-chip microcomputer makes telephone line repeat circuit and outside line shutoff be in the simulation hook state again by automatic switching circuit, and then send signal, open the telephone line repeat circuit and be in the simulation off hook state, continue the simulation dialing, be in on-state until recognizing outside line, at this moment promptly start the message treatment circuit of reporting to the police sends corresponding warning message signal or PB machine to outside line by the telephone line repeat circuit information code.

Because this device is provided with the operation voice warning circuit, available interactive mode is carried out various operations, not only made things convenient for the user, the more important thing is indicator light and button that various prompting operation programs needn't be set on warning device, that is to say that the user only needs can carry out various operations by follow procedure by telephone receiver and keyboard, make alarm can adopt " black box " structure of no any indicator light and button, so just can place it in the shelter of separating with telephone set, be not subject to destruction, improved fail safe.

Description of drawings

Fig. 1 the utility model frame principle figure

Fig. 2 the utility model embodiment circuit diagram

The embodiment explanation

It is core that this example adopts the 89C51 singlechip chip of MSC-51 series, but is furnished with the serial data memory 24C04 that resets with watchdog circuit MAX813L and power down preservation, forms the one-chip computer module of minimum system.Watchdog circuit MAX813L links to each other with single-chip microcomputer RESET end, and its effect is to prevent that single-chip microcomputer from crashing, and guarantees the alarm operate as normal, has improved the reliability of device.This one-chip computer module is used to coordinate the work of each unit, the management of being responsible for telephone keypad makes it to finish various settings, the management of being responsible for voice unit makes the recording playback of system alarm message and interactive suggestion voice, be responsible for the automatic dialing of phone and analyze and judgement telephone line states (busy tone, the line is busy, ring-back, off-hook), be responsible for the analysis and the processing of alert signal, the various setting all deposits power down in not in the 20C04 serial data memory of lost content.

Probe segment is provided with the antitheft probe of the general infrared ray in market, the antitheft probe of door status switch, cigarette ion fire prevention probe and artificial danger button, these probe outputs connect the single-chip processor i/o interface by plug 4P1N respectively, the danger button of probe segment is in case of emergency manually pressed the function of reporting to the police except that having, and also can press its unlatching alarm and carry out human-computer dialogue when owner need operate.What send for this button is alarm signal or operation signal, and available single-chip microcomputer is discerned according to its code signal that whether can import owner.

The warning message treatment circuit of this example and operation voice warning circuit two parts adopt a high-level language process chip W5701 to finish, this chip internal comprises microphone amplifier, automatic gain controller, power amplifier, the empty system of cpu i/f controller and FLashRAM interface device etc., this sheet links to each other with single-chip microcomputer, finish the overall process of speech recording and reproducing by single-chip microcomputer to logic function control, peripheral matched is provided with FLashRAM memory F5010, can record 200 seconds, this 200 seconds voice spaces are divided into two parts, first is as the recording playback of user's warning message information, second portion is fixing operation indicating voice messaging, as interactive voice interface, the speech output end of this sheet links to each other with the telephone line repeat circuit.

This routine double-tone is deciphered the signaling circuit frequently and is adopted the MT8880 chip of DTFM transceiver 8880 series to finish, this chip is the special chip that is used for telephone exchanger that MITEL company produces, it is a kind of monolithic dual-tone multifrequency transceiver with the call progress filter, its interface circuit more complicated, this routine structure is, provide the I/O mouth of the required clock signal of simulation 8880 family chips to join by software 8880 family chip clock end CLK and MSC-51 series monolithic one, its data, address and signal port and single-chip microcomputer direct interface, thus interface circuit greatly simplified.

Automatic switching circuit is to be joined by base stage and single-chip microcomputer, and collector electrode is connected to the switch triode T of relay coil ₃Form, two interlock normally opened contacts of relay are connected on outside line LINE respectively ₁And LINE ₂And between this device telephone line repeat circuit two incoming lines, when single-chip microcomputer sent signal, this switch triode was conducting, the relay coil energising, and its normally opened contact is connected this device telephone line repeat circuit and outside line.

This routine telephone line repeat circuit is made up of the circuit for answering of energy simulation phone off hook state and operational amplification circuit two parts of energy transmitted in both directions audio signal.Circuit for answering two inputs link to each other with the outside line two ends by automatic switching circuit two normally open contacts.This input termination one full-wave bridge rectifier circuit, rectification circuit output end connects 15 volts voltage-stabiliser tube, and voltage-stabiliser tube two terminations are by T ₁And T ₂The combination transistor circuit two ends of forming, when this combination triode conducting, about conducting resistance 200 Europe when conducting resistance is about the telephone set off-hook, voltage is reduced to about 15 volts by 48 volts of hook state, state during the telephone wire off-hook that has been simulation, this moment, audio signal can be through this to the outside line transmission or transmit in alarm.Combination triode two ends are by electrochemical capacitor C ₁₇But meet the audio frequency transformer B of transmitted in both directions audio signal ₁Primary coil, B ₁Secondary coil centre tap ground connection, two ends one termination operational amplifier IC ₂: C input, another termination operational amplifier IC ₂: B output, IC ₂: B input one tunnel connects aforementioned speech chip W5701 output, leads up to operational amplifier IC ₂: A connects double-tone and deciphers signaling circuit 8880 chip outputs frequently, and its function is to outside line transmission operation voice signal, report to the police message signal and alarm call numerical signal.Operational amplifier IC ₂: C output termination operational amplifier IC ₁: B input, IC ₁: C output one tunnel connects double-tone and deciphers signaling circuit chip 8880 inputs frequently, and function is the input telephone number signal; One the tunnel connects the defeated MIC end of speech chip, and function is warning message signal and the interactive voice suggestion signal that input need be recorded; Another road meets operational amplifier IC ₁: the A input, this amplifier out and single-chip microcomputer join, IC ₁: the effect of A is the 450HZ backward signalling from telephone network to be carried out audio frequency send into single-chip microcomputer after phase-locked, judges that by single-chip microcomputer telephone line is busy or spare time.If can obtain the support of software, this phase lock circuitry also can omit, and is directly judged according to external line state by single-chip microcomputer 8880.

The power supply of this alarm is to adopt+5 volts of DC power supply, the transformer B in the above-mentioned telephone line repeat circuit ₁This alarm power supply and outside line are isolated, so can not produce any influence the post and telecommunications telephone network.

Claims

1, the call voice autoalarm, be provided with housing, be provided with in the housing and can coordinate each element circuit work, but and have an one-chip computer module (1) that data memory is preserved in power down, can send the probe of alarm signal, has speech recording and reproducing function, the warning message treatment circuit (2) of recording substance is not lost in power down, can decipher signaling circuit (4) frequently to the double-tone of double-audio signal decoding and signaling, automatic switching circuit (6), and have the artificial handoff functionality of simulation, can transmit telephone keypad, audio alert, the telephone line repeat circuit (5) of audio signals such as audio coding; The output of described alarm probe connects single-chip microcomputer (1) input, warning message treatment circuit (2) control end and single-chip microcomputer join, be connected with the transmission of telephone line repeat circuit (5) two-way signaling simultaneously, telephone line repeat circuit (5) is deciphered signaling circuit (4) frequently by double-tone and is connected with the transmission of single-chip microcomputer two-way signaling, outside line and subscriber phone audio output link to each other with telephone line repeat circuit (5) by being subjected to monolithic processor controlled automatic switching circuit (6), and being provided with in the telephone line repeat circuit can the transmitted in both directions audio signal, and the audio frequency transformer that telephone network and this device power-supply system are isolated; It is characterized in that:

2, ask 1 described call voice autoalarm according to right, it is characterized in that, described single-chip microcomputer is a MSC-51 series monolithic chip, described double-tone is deciphered the chip circuit that the signaling circuit is DTFM transceiver 8880 series frequently, the syndeton of it and single-chip microcomputer is: 8880 family chip clock end CLK and MSC-51 series monolithic one provides the I/O mouth of the required clock signal of simulation 8880 family chips to join its data, address and signal port and single-chip microcomputer direct interface by software.