CN2350816Y - Multifunctional wireless alarm device - Google Patents

Abstract

The utility model relates to a multifunctional wireless alarm device which mainly comprises an alarm host machine, a wireless alarm probe head and a remote controller. A wireless signal receiving and decoding circuit, a simulation machine-stopping circuit, a bell detection circuit, a machine-stopping detection circuit, a user telephone control circuit, an audio dialing and decoding circuit, a signal amplifying control circuit, a monitoring input circuit, an electronic recording module circuit and a one-chip computer circuit are installed in the alarm host machine. The wireless transmission is adopted between the alarm host machine and the alarm probe head, the remote controller can enable the utility model to start work or stop working, and a numeric keyboard and a function operating key are not arranged on a casing of the alarm host machine; thus, the utility model has the advantages of simple structure, easy installation and low cost.

Description

The multifunction wireless warning device

The utility model relates to a kind ofly to be realized being mainly used in the radio alarming device of anti-picking electric alarm and carrying out antitheft to important places such as family, shop, factories by telephone line.

Prior art as: Chinese patent 94248237.9,94245163.5,95205078.1 etc. is provided with " simulation off-hook " circuit, " ring detection " circuit, " off-hook detection " circuit in circuit, automatic dial-up circuit, electronics recording and playing circuit, alarm call input and memory circuit, and adopt cable to link together alarm probe and the alarm host machine, thereby constitute an anti-picking electric alarm device.

Its common feature is:

1. numeric keypad and operating key all are set on host panel, and main frame inside is provided with telephone number input and memory circuit, thereby complex structure, cost height, inconvenient operation.

2. alarm probe and alarm host machine adopt cable to be connected, install very inconveniently, and disguise is poor, subjects to offender's destruction.

Task of the present utility model is at the deficiencies in the prior art, proposes a kind of simple in structure, good concealment, radio alarming device easy to operate, that connect without cable.

The technical solution of the utility model is: the multifunction wireless warning device, comprise alarm host machine, radio alarming probe and telepilot, " simulation off-hook " circuit is housed in alarm host machine, " ring detection " circuit, " off-hook detection " circuit, " subsets control " circuit, " signal amplifies control " circuit, " monitor and import " circuit, " electronics recording playback sound module " circuit and " one-chip computer " circuit, it is characterized in that: in alarm host machine, also have " radio signal receives; decoding " circuit and " voice-frequency dialing decoding " circuit, " radio signal receives; decoding " circuit links to each other " voice-frequency dialing decoding " circuit and " one-chip computer " circuit with " one-chip computer " circuit, " signal amplifies control " circuit links to each other with the phone exchange line.

Telepilot in the utility model device is used for alarm host machine is carried out " start " and " shutdown " operation, the radio alarming probe is used to monitor door and window or indoor situation, in case when having alert to take place, probe sends radio signal, and after having alarm host machine to receive, dial the telephone number that sets in advance automatically, send warning message with voice, and can carry out remote monitoring to the scene by phone, finish the invention task.

Fig. 1 is a theory diagram of the present utility model

Fig. 2 is " radio signal receives, decodes " circuit diagram in the alarm host machine

Fig. 3 is " voice-frequency dialing decoding " circuit diagram in the alarm host machine

Be described in detail the utility model below in conjunction with accompanying drawing:

The multifunction wireless warning device, comprise alarm host machine, radio alarming probe and telepilot, " simulation off-hook " circuit is housed in alarm host machine, " ring detection " circuit, " off-hook detection " circuit, " subsets control " circuit, " signal amplifies control " circuit, " monitor and import " circuit, " electronics recording playback sound module " circuit and " one-chip computer " circuit, it is characterized in that: in alarm host machine, also have " radio signal receives; decoding " circuit and " voice-frequency dialing decoding " circuit, " radio signal receives; decoding " circuit links to each other " voice-frequency dialing decoding " circuit and " one-chip computer " circuit with " one-chip computer " circuit, " signal amplify control " circuit link to each other with the phone exchange line (Fig. 1).

" radio signal receives, decodes " circuit is by radio reception module I C6, amplifier IC2A, decoding integrated package IC5, code switch DZ, capacitor C 23, C24, resistance R 36, R37 form, 10,11,17 pin of integrated package IC5 of wherein decoding link to each other with corresponding 22,23,21 pin of one-chip computer respectively, amplifier IC2A, resistance R 37 and capacitor C 23, C24 form amplification and rectification circuit, to amplify shaping from the signal of IC6, and flow to 14 pin (Fig. 2) of IC5 by the output terminal of amplifier IC2A.

" voice-frequency dialing decoding " circuit is by dual-tone multifrequency encoding and decoding ic chip 4, triode BG7, crystal oscillator CRY1, resistance R 29, R30, R31, R32, R33, R34, capacitor C 19, C20, C21, C22 form, 6,7 pin of IC4 link to each other with CRY1,11,12,14,15,16,17 pin of the IC4 capacitor C 19 1 terminating resistor R29 that link to each other with one-chip computer respectively, another termination " signal amplifies control " circuit, capacitor C 20 1 terminating resistor R30, the other end exchange line (Fig. 3) of answering the call.

IC6 can be FD631 or TDC1809 or J03 integrated package.

IC5 can be VD5027 or PT2272 or AX5327 integrated package.

IC2 can be LM324 or LM358 or TL072 integrated package.

IC4 can be MT8880 or MC8880 or CM8880 integrated package.

Frame of broken lines is the shell of this practical main frame among Fig. 1, and " voice-frequency dialing decoding " circuit, " simulation off-hook " circuit, " ring detection " circuit, " off-hook detection " circuit, " subsets control " circuit, " voice-frequency dialing decoding " circuit, " monitoring input " circuit, " electronics recording playback sound module " circuit and " one-chip computer " circuit, " monitoring input " circuit, " one-chip computer " circuit and " electronics recording playback sound module " circuit are equipped with in portion within it.

Its principle of work is: with " telepilot " emission " start " signal, after this when alert takes place, the signal that " radio alarming probe " sends is received the back decoding by " radio signal receives; the decoding " circuit in the alarm host machine, and export a level signal and give " one-chip computer ", single-chip microcomputer sends instruction and gives " subscriber phone control " circuit, subsets and phone exchange line are disconnected, the alarm call number that sets in advance is extracted in instruction " audio frequency dialing decoding circuit " simultaneously, after the other side answers, the single-chip microcomputer output order is given " electronics recording playback sound module " circuit, the alarm voice of prerecording is sent to the phone exchange line by " signal amplification control circuit ", send alarm voice, thereby finish warning function.The person of receiving a crime report receives the report for police service behind the phone, whether if want to confirm is wrong report, perhaps want to understand the on-the-spot situation of reporting to the police, can dial this subscriber phone, when the tinkle of bells surpasses 5 times (can be provided with as required) if nobody answers the call, " ring detection " circuit is with the signal input single-chip microcomputer that detects, simulate off-hook by Single-chip Controlling " simulation off-hook " circuit, if when at this moment inputing the identical password of password that sets in advance with this warning device, and after importing a snoop command, the single-chip microcomputer output order is given " signal amplification control circuit ", opens " monitoring input " circuit, the scene of reporting to the police is monitored, thereby can effectively prevent wrong report.

In the accompanying drawing 1, " radio alarming probe " is made up of coding integrated package, radio transmission module, tongue tube and some electronic components, is mainly used in door and window switching situation is monitored; " telepilot " mainly is made up of coding integrated package, radio transmission module and electronic component, is mainly used in to alarm host machine and sends start or off signal; " simulation off-hook " circuit is mainly used in subsets is simulated off-hook; " ring detection " circuit is mainly used in the ringdown that detects on the phone exchange line; " off-hook detection " is mainly used in and differentiates whether off-hook of subsets; " subsets control " circuit is mainly used in getting in touch of cut-out or connecting subscribers participating telephone set and phone exchange line; " signal amplification control circuit " is used for sound signal being amplified and being transported to the phone exchange line; Circuit is mainly used in the scene of reporting to the police is monitored " to monitor input "; " electronics recording playback sound module " is mainly used in and records or play the alarm voice signal; " one-chip computer " is the core of whole alarm host machine, can adopt the PIC16C serial model No..Above circuit all has statement in disclosed technology.

Feature of the present utility model is that " radio signal receives, decodes " circuit and " audio frequency dialing decoding circuit " is housed in alarm host machine." radio signal receives, decoding " circuit owing to adopted, thereby this device available " telepilot " starts shooting, shuts down need not any line between alarm probe and the alarm host machine, and is easy for installation, do not destroy the decorative effect of fitting up the room.

Owing to adopted " audio frequency dialing decoding circuit ", thereby this device available subscribers telephone set operates and is provided with all functions, saved numeric keypad, functional key, number input circuit etc., thereby the structure of this device is greatly simplified, cost reduces greatly, operates easier.Elaborate below in conjunction with accompanying drawing:

As shown in Figure 2: " radio signal receives, decodes " circuit comprises radio reception module I C6, amplifier IC2A, decoding integrated package IC5, code switch DZ, capacitor C 23, C24, resistance R 36, R37.IC6 carries out demodulation after receiving the radio signal of sending from " telepilot " or " radio alarming probe ", and amplify shaping by IC2A, delivering to IC5 decodes, if the address code that comprises in the signal is identical with the address that this warning main frame is provided with, 10, the 11 pin output decoders of IC5 become function signal and control signal to give 22,23 pin of " one-chip computer ", by single-chip microcomputer whole device is controlled, otherwise IC5 does not have signal output, alarm host machine is in holding state.IC5 or employing VD5027 or MC145027.

As shown in Figure 3, " audio frequency dialing decoding " circuit mainly is made up of dual-tone multifrequency encoding and decoding ic chip 4, triode BG7, crystal oscillator CRY1, resistance R 29-R34, capacitor C 19-C22 element.The break-make of 6 foot control system BG7 of single-chip microcomputer, thereby the power supply of may command IC4.The decoding function of this circuit is when needs are controlled alarm host machine, as the store alarms telephone number, available subscribers telephone set input corresponding digital, at this moment will on the phone exchange line, produce the corresponding audio signal, this signal is input to IC4 by C10, R30, become digital signal by the IC4 decoding, and be defeated by one-chip computer, store or do the control corresponding processing by single-chip microcomputer from data line 14-17 pin.The dialling function of this circuit is when alarm condition, the telephone number that " single-chip microcomputer " will need to report to the police is defeated by IC4 by data line, become corresponding double-audio signal by IC4 again, and be defeated by " signal amplification control circuit ", thereby can finish automatic dialling function by R29, C19.IC4 can adopt MT8880 or MC8880 or CM8880.

Claims (3)

1, a kind of multifunction wireless warning device, comprise alarm host machine, radio alarming probe and telepilot, the simulation circuit for answering is housed in alarm host machine, ring detecting circuit, the off-hook detection circuit, the subsets control circuit, signal amplification control circuit, monitor input circuit, electronics recording playback sound modular circuit and one-chip computer circuit, it is characterized in that: in alarm host machine, also have radio signal to receive, decoding circuit and voice-frequency dialing decoding circuit, radio signal receives, decoding circuit links to each other with the one-chip computer circuit, voice-frequency dialing decoding circuit and one-chip computer circuit, signal amplification control circuit links to each other with the phone exchange line.

2, by the described multifunction wireless warning device of claim 1, it is characterized in that: radio signal reception, decoding circuit are by radio reception module I C6, amplifier IC2A, decoding integrated package IC5, code switch DZ, capacitor C 23, C24, resistance R 36, R37 form, 10,11,17 pin of integrated package IC5 of wherein decoding link to each other with corresponding 22,23,21 pin of one-chip computer respectively, amplifier IC2A, resistance R 37 and capacitor C 23, C24 form amplification and rectification circuit, to amplify shaping from the signal of IC6, and flow to 14 pin of IC5 by the output terminal of amplifier IC2A.

3, by the described multifunction wireless warning device of claim 1, it is characterized in that: the voice-frequency dialing decoding circuit is by dual-tone multifrequency encoding and decoding ic chip 4, triode BG7, crystal oscillator CRY1, resistance R 29, R30, R31, R32, R33, R34, capacitor C 19, C20, C21, C22 form, 6,7 pin of IC4 link to each other with CRY1,11,12,14,15,16,17 pin of IC4 link to each other with one-chip computer respectively, capacitor C 19 1 terminating resistor R29, another termination signal amplification control circuit, capacitor C 20 1 terminating resistor R30, the other end exchange line of answering the call.

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