CN2418631Y - Monitoring anti-theft multipurpose alarm - Google Patents

Abstract

The utility model discloses a monitoring and anti-theft multipurpose alarm which is composed of a monitoring device and a detecting alarm circuit. The monitoring device has the structure that an input interface of a telephone line is connected with a decoding control circuit, and then, the input interface of the telephone line is connected with a mike amplifying circuit. The detecting alarm circuit has the composition that a probe control interface is connected with an off-hook dial-up circuit; then, the probe control interface is connected with a line condition monitoring circuit; one path of the line condition monitoring circuit is connected with a sound recording and reproducing circuit; the other path of the line condition monitoring circuit is connected with a BB machine sequence code generating circuit. The utility model can make the monitoring operation and the anti-theft operation integrated into a whole. The utility model has the advantages of small size, low cost, convenient use, and high reliability. The utility model can monitor the sound on site, so that the utility model can timely and reliably realize a plurality of alarms, for example, the fireproof alarm and the anti-theft alarm.

Description

Monitor the antitheft alarm of using more

The utility model relates to a kind of monitoring burglar alarm.Especially utilize telephone line to monitor antitheft multifunctional intelligent alarm.

At present, because of owner is not occurred repeatedly in the phenomenon of having things stolen, at this phenomenon, the product that has occurred some alarm calls on the market and utilized telephone line to report to the police.But these products all adopt time-delay or mode regularly to transmit alarm signal, and being difficult to adapt to handling time has and long short state is arranged, and causes these products to lose reliability, the promptness of warning, though receive alarm signal also difficulty debate the true and false.Moreover exist cost height, complicated operation, use dumb, inconvenient defective is installed.

Main purpose of the present utility model just provides the antitheft alarms of using of a kind of monitoring more, it is when having the feelings of robber, can in time dial the set phone of householder, mobile phone and beeper rapidly reliably and call out the householder, monitor by smart circuit, guarantee to put through report to the police successfully after again on-hook quit work, and available phone is in time monitored on-the-spot sound.

Another purpose of the present utility model just provides a kind of monitoring is antitheft uses alarm more, and it can be contained on the telephone line easily and work alone, and does not influence the normal use of telephone set.

Another purpose of the present utility model just provides the antitheft many alarms of use of a kind of monitoring, and its dialing alarm is reported to the police accepting under the state by the affirmation of intellectual monitoring circuit, eliminates invalid warning.

Another purpose of the present utility model just provides the antitheft alarms of using of a kind of monitoring more, and its monitor function can accurately be judged the situation that the scene takes place.

Another purpose of the present utility model just provides a kind of monitoring is antitheft uses alarm more, and its alarm call number can once be provided with, and reuse, and change is easy to operate easily.

The utility model purpose more just provides the antitheft alarms of using of a kind of monitoring more, and it can give the scene and decide the space and carry out monitoring alarm.

The purpose of this utility model is achieved in that the antitheft alarms of using of a kind of monitoring more, it is made up of monitoring device and detection alarm circuit, wherein said monitoring device telephone line interface circuit order equalizing network and decoding control circuit, a decoding control circuit amplification output circuit of answering; And its detection alarm circuit connects dislodging machine dial-up circuit by surveying control interface, and the dislodging machine dial-up circuit line status of answering the call is picked up slowdown monitoring circuit, and telephone line states testing circuit one tunnel connects recording and playing circuit, and another road connects BB machine preface code control circuit.

Telephone line interface circuit is by photoelectrical coupler order equalizing network, and the microphone amplifying circuit is by the resistance capacitance circuit of answering the call.

The telephone line states testing circuit, connecing centre frequency by telephone line interface is 450 hertz single audio frequency decoding circuit, connects control circuit judge in the busy tone pulse again.

The telephone line states testing circuit also meets paging station and accepts sound detection control circuit, connects the storage dial-up circuit through photoelectrical coupler again.

The utlity model has that cost is low, easy to install, the highly sensitive microphone monitoring of cipher control, intelligent alarm, accurately and reliably, but and the adjunction multiple sensors, realize multiple warning.

Below in conjunction with accompanying drawing and specific embodiments the utility model is described in further detail.

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

Fig. 2 monitors interface control circuit figure for the utility model.

Fig. 3 a is the utility model 450H signal monitoring circuit figure.

Fig. 3 b is the utility model pulse duration observation circuit figure.

Fig. 3 c is the signal monitoring circuit figure of the utility model paging station.

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

Referring to Fig. 1, the utility model is the antitheft alarms of using of a kind of monitoring more, and it is by monitoring device, and the detection alarm circuit is formed.Its monitoring device connects decoding control circuit by telephone line interface circuit, a decoding control circuit amplification output circuit of answering; The detection alarm circuit, connect the dislodging machine circuit by telephone line interface circuit, the dislodging machine circuit connects the detection control interface circuit and connects dial-up circuit again, dial-up circuit link status monitoring circuit, line status observation circuit one tunnel connects recording and playing circuit, another road connects BB machine preface sign indicating number and produces circuit, and line status observation circuit and recording and playing circuit also connect the dislodging machine circuit.

Referring to Fig. 2, Fig. 2 monitors interface control circuit figure for the utility model.

Referring to Fig. 3 a, 3b, 3c are respectively 450 hertz of signal monitoring circuit figure of the utility model; Pulse duration observation circuit figure, the signal monitoring circuit figure of paging station.

Referring to Fig. 4, pass through C as telephone ring signal ₁R ₁Make G ₁Conducting, IC ₁2 pin step-down level, 3 pin uprise level, and one the tunnel connects IC ₂V _CcThe end power supply, another road is through R ₂G ₂R ₃Make BG ₁Conducting, the simulation off-hook, line signal is by polarity transformation circuits D, BG ₁, C ₂Input decoding circuit IC ₂3 pin, IC ₂Receive give the password of establishing after, 8 pin step-down level are through D ₁Make IC ₁2 pin keep the electronegative potential time-delay to monitor, simultaneously IC ₂The low level of 8 pin is again through BG ₂Connect IC ₃Microphone amplification output circuit power supply, with monitoring signal by C ₃, R ₄, BG ₁, D is sent to telephone line and realizes monitoring; And warning circuit is by detectable signal control interface K ₁, connecing can BG ₃Power supply, BG ₃Conducting, IC ₅Must be electric, Q holds output low level, IC ₆C _rHold also step-down level permission counting, Q exports high level, through D ₂Stroboscopic diode input IC ₆CP end continuous impulse ripple, first pulse, IC ₆Y ₁Uprise level, second pulse Y ₂Uprise level, through BG ₅Make IC ₇IC is connected in (dial-up circuit) storage 1 abbreviated dialing ₇To give phone or the BB plane No. sign indicating number that is stored in No. 1 earlier, redial to telephone line IC by the DTMF end ₆When CP holds the 5th pulse to arrive, IC ₆Y ₅The output high level triggers IC ₅CP makes IC ₅Upset, the Q end uprises level, IC ₆The CR end also uprises level and stops counting, passes through R ₇Make BG ₄Conducting is connected by IC ₈, IC ₉, IC _4-3, IC ₁₁, the line status observation circuit of composition.Transmit two kinds of 450H signals on the telephone line of dialing back, a kind of is busy tone, and a kind of is ring-back tone, passes through DBG ₆Amplify one the tunnel through C ₆IC is given in coupling ₈3 pin, IC ₈These two kinds of signals are become 0.35 second busy tone pulse and high level 1 second at interval through 8 pin, 4 seconds ring-back tone pulse of low level, by 8 pin through R ₁₁Send into IC _9cpEnd, if 0.35 pulse per second (PPS), IC ₉Y ₁To Y ₆End can high level occur successively, when treating that the 7th pulse arrives, and Y ₇Uprise level, through D ₄Trigger IC _4-1IC _4-2Upset, BG ₂By on-hook, and IC _4-1IC _4-2Pass through R ₅C ₄Charging time-delay, make BG ₂By 60 seconds, conducting off-hook dialing once more; If the ring-back tone pulse, IC ₉IC _4-3To monitor the called phone off hook signal, i.e. the blanking time of ring-back tone pulse is if be no more than 4 seconds, C ₇Through R ₁2 chargin levels are lower than IC _4-3The upset level and be failure to actuate, return the cipher of official seal sound seven times, IC ₉Y ₇Uprise level through D ₄Trigger IC _4-1C _4-2The upset on-hook if surpass 4 seconds the blanking time of ring-back tone pulse, illustrates the other side's off-hook, will make C ₇Pass through R ₁₂Institute's chargin level is higher than IC _4-3Upset level and moving makes output step-down level, passes through R ₁₃C ₈Trigger recording and playing circuit IC ₁₀Send and give record warning speech, through C ₉R ₁₄Insert telephone line.Playback finishes, IC ₁₀Export a pulse, pass through D ₅Trigger IC _4-1IC _4-2The upset on-hook.If dial-up circuit IC ₇To send out be BB plane No. sign indicating number, paging station will send and accept sound, by telephone line and BG ₆Amplify, through C ₆Send IC ₁₁Monitoring, IC ₁₁After monitoring, 8 pin pass through R ₁₅Control BG ₇, trigger IC ₇Store No. 2 abbreviated dialing end, make IC ₇Serial number behind the BB machine of establishing is given in generation, sends into telephone line from the DTMF end, then by IC ₉Trigger IC _4-1IC _4-2The upset on-hook, the successfully back end of reporting to the police.

IC among the figure ₁Be time-base circuit, IC ₂, IC ₈, IC ₁₁Encircle decoding circuit, IC mutually for audio frequency is trivial ₃Be double operational circuit, IC ₄Be Schmidt trigger circuit, IC ₅Be d type flip flop, IC ₆, IC ₉Be decimal system counting frequency dividing circuit, IC ₁₀Be recording and playing circuit.

Claims (4)

1, the antitheft alarms of using of a kind of monitoring more, it is made up of monitoring device detection alarm phone, it is characterized in that described monitoring device detection alarm circuit composition, it is characterized in that described monitoring device is by telephone line interface order equalizing network and decoding control circuit, a decoding control circuit amplification output circuit of answering, its detection alarm circuit connects dislodging machine dial-up circuit by surveying control interface, the dislodging machine dial-up circuit line status testing circuit of answering the call, telephone line states testing circuit one tunnel connects recording and playing circuit, and another road connects BB machine sequence number generation circuit and forms.

2, monitoring according to claim 1 is antitheft uses alarm more, it is characterized in that telephone line interface drinks device order equalizing network by the photoelectricity coupling, and the microphone amplification output circuit is by the capacitance resistance circuit of answering the call.

3, monitoring according to claim 1 is antitheft many use alarm, it is characterized in that the telephone line observation circuit, and being that 450 hertz single audio frequency is trivial through centre frequency encircles mutually that decoding circuit connect 0.35 second and the pulse duration at 4 seconds intervals is monitored and distinguished circuit.

4, monitoring according to claim 1 is antitheft uses alarm more, it is characterized in that: BB machine preface sign indicating number generation circuit is accepted the sound observation circuit by paging station and is connect the memory dialing circuit.

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