CN2214017Y - Automatic transmission machine with pre-alarm information - Google Patents

Abstract

The utility model relates to an automatic transmission machine with the pre-alarm information, which is composed of a subscriber line switching circuit 1, a starting circuit 2, an electronic switch control circuit 3, an electronic switch 4, a DTMF amplification circuit 5, a power supply circuit 6, a progress sound detection circuit 7, a time delay circuit 8, a clamping circuit 9, a DTMF code sending circuit 10, a time sequence control circuit 11, and an alarm source triggering and logic control circuit 12. When in use, a telephone subscriber line is connected in parallel with the input terminal port of the thereof circuit 1. Sensors of a fire prevention, a thief guard, a visitor coming, etc. is connected with the triggering terminal of the thereof circuit 12. The monitoring information can be transmitted by the stored-program control exchange of the city bureau to the remote central server, and then, the server can be made the corresponding service.

Description

Automatic transmission machine with pre-alarm information

The utility model relates to a kind of warning device that responds two or more different accidents or abnormal conditions and the situation of reporting to the police can be signaled to zone center, specifically is meant the automatic conveyer of a kind of early warning information.

Since human society has been arranged, antitheft, fire prevention and information transmission have just become the problem that people paid close attention to.Particularly today of economic develop rapidly, the transmission of various early warning information such as the antitheft and fire prevention of family and public property, medical first aid more seems very important.And from domestic and international existing technical situation, aspect antitheft, be mostly to take to adorn iron gate or the acoustic alarm form is arranged, the fire prevention aspect also is the panalarm that is limited to locality.And how to accomplish that automatically promptly long-distance transmissions is to designated service center or appointed place at random with the early warning information of part, it is powerless that prior art then seems.That is to say, people wish to develop a kind of so automatic monitoring transmitting device, it can in time be transferred to monitoring information the strange land service centre or the strange land householder of prior setting, so that corresponding service can be made immediately according to the information that is provided by strange land service centre, as: notify the householder that goes out, send the security personnel to arrive the early warning scene, notice fire-fighting fire extinguishing etc.

According to above-mentioned society need, the purpose of this utility model is that a kind of automatic conveyer of early warning information that the monitoring information of aspects such as fire prevention, antitheft, guest be visiting can be transferred in good time and accurately and reliably remote central server is provided.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is an electric functional-block diagram of the present utility model;

Fig. 2 is the schematic diagram of a kind of physical circuit of Fig. 1 block scheme.

Referring to Fig. 1, solution of the present utility model is as follows.It has by subscribers feeder commutating circuit 1, start-up circuit 2, electronic switch control circuit 3, electronic switch 4, DTMF amplifying circuit 5, the subscribers feeder control circuit that power circuit 6 and process tone detection circuit 7 are formed, electronic switch 4 two ends are serially connected in the loop between 1 liang of output terminal of subscribers feeder commutating circuit, the power input of start-up circuit 2 and electronic switch control circuit 3 is attempted by respectively in the loop between 1 liang of output terminal of subscribers feeder commutating circuit before the electronic switch 4, DTNF amplifying circuit 5, the power input of power circuit 6 and process tone detection circuit 7 is attempted by respectively in the loop between 1 liang of output terminal of subscribers feeder commutating circuit after the electronic switch 4, the output terminal of start-up circuit 2 links to each other with the input end of electronic switch control circuit 3, and the control end of the output terminal of electronic switch control circuit 3 and electronic switch 4 joins; Also has delay circuit 8, clamp circuit 9, DTMF signaling circuit 10, trigger and logic control circuit 12 in sequential control circuit 11 and alert source, trigger in alert source has the triggering input end that links to each other with the sequential control output terminal of sequential control circuit 11 with logic control circuit 12, and also has respectively a logic control output terminal that the input end with DTMF signaling circuit 10 and clamp circuit 9 joins, sequential control circuit 11 also has respectively the sequential control output terminal that links to each other with the input control end of the input end of DTMF signaling circuit 10 and process tone detection circuit 7, the output terminal of DTMF signaling circuit 10 is connected on the input end of DTMF amplifying circuit 5, the control end of DTMF signaling circuit 10 links to each other with the output terminal of start-up circuit 2, the output terminal of process tone detection circuit 7 joins with the input end of delay circuit 8 and the control end of clamp circuit 9 respectively, the output terminal of clamp circuit 9 links to each other with the input end of start-up circuit 2, and power circuit 6 provides dc supply to circuitry.

The utility model with foregoing circuit structure in use, with the input port X of its subscribers feeder commutating circuit 1 ₁, X ₂Be attempted by on the telephone loop, the triggering input end that the detectable signal output terminal of sensor such as will prevent fires simultaneously, antitheft, guest is visiting triggers with logic control circuit 12 with alert source joins.In not breaking out of fire, steal and do not have under the situation at ordinary times that the guest comes to visit, trigger in alert source and the output level of logic control circuit 12 acts on start-up circuit 2 by clamp circuit 9, start-up circuit 2 is exported corresponding level again and is given electronic switch control circuit 3, disconnected by circuit 3 control electronic switches 4, circuit is in waiting status.And when breaking out of fire, steal or have under the abnormal conditions that the guest comes to visit, triggering of alert source and logic control circuit 12 are under the effect of detectable signal, its output level acts on start-up circuit 2 by clamp circuit 9, start-up circuit 2 changes its output level of giving electronic switch control circuit 3 again, make electronic switch 4 conductings, so the telephone loop power connection forms the subscribers feeder loop current.This moment, start-up circuit provided enabling signal to DTMF signaling circuit 10, make circuit 10 be in number state of sending out, and because the foundation of power circuit 6 output voltages, make sequential control circuit 11 output timing control signals, at first start DTMF signaling circuit 10, export a string double-tone destination address sign indicating number frequently, this address code is carried out the laggard access customer line loop of power amplification through DTMF amplifying circuit 5, by city office programme-controlled exchange, connect the destination address of central server or the appointments such as (being the beeper platform) of radio paging platform, after waiting for 1-2S, sequential control circuit 11 output timing control signal again triggers and logic control circuit 12 for alert source, make circuit 12 output logic control signals, remove to control a string character sign indicating number that comprises user code and require service of DTMF signaling circuit 10 outputs again, this address code and character sign indicating number also are to be amplified into the subscribers feeder loop through DTMF amplifying circuit 5, offer the central server of destination address again, and server is made corresponding service according to the character sign indicating number.The timing control signal waiting process sound that sequential control circuit 11 offers process tone detection circuit 7 detects, and is divided into two kinds of situations.A kind of situation is no busy tone, expression the utility model has successfully sent to central server with early warning information, this moment process tone detection circuit 7 no-outputs, so the timing control signal that next cycle begins makes triggering of alert source and the level that logic control circuit 12 flows to clamp circuit 9 change, clamp circuit 9 acts on start-up circuit 2 again, and start-up circuit 2 remakes and is used for electronic switch control circuit 3, and electronic switch 4 is disconnected, entire circuit resets, and waits for service next time; Another kind of situation is to detect busy-back signal, then process tone detection circuit 7 has signal output under the effect of the timing control signal of input, this output signal control delay circuit 8, delay circuit 8 is controlled clamp circuit 9 again, changes the output level of clamp circuit 9, at last until electronic switch 4 is disconnected, the line current loop is also disconnected, programme-controlled exchange to city office provides on-hook signal, and start-up circuit 2 provides signal to DTMF signaling circuit 10 simultaneously, forbids its signaling.After the time-delay of delay circuit 8 finishes, it also just loses the control action of clamp circuit 9, therefore the output level of clamp circuit 9 restores to the original state again, electronic switch control circuit 3 makes electronic switch 4 reclose again, provide off hook signal to programme-controlled exchange, circuit repeats aforementioned process again, until process tone detection circuit 7 no-outputs, communicates by letter successfully with central server to guarantee the utility model.

Referring to Fig. 2, subscribers feeder commutating circuit 1 is by diode D ₁To D ₄, resistance R ₁, voltage dependent resistor (VDR) Rv and capacitor C ₁Form, start-up circuit 2 is by triode T ₁With T ₂, diode D ₅With D ₆, resistance R ₂To R ₆And capacitor C ₂Form, electronic switch control circuit 3 is by triode T ₃, diode D ₇With D ₈And resistance R ₇To R ₁₀Form, electronic switch 4 is by triode T ₄Constitute, the DTMF amplifying circuit is by triode T ₅, resistance R ₁₁With R ₁₂And capacitor C ₃Form, direct supply 6 is by diode D ₉With D ₁₀, stabilivolt 2D ₁To 2D ₂, resistance R ₁₃With R ₁₄, capacitor C ₄With C ₇And battery F composition, process tone detection circuit 7 detects integrated circuit (IC) by sound signal ₆, resistance R ₁₅, capacitor C ₅With C ₆, Sheffer stroke gate IC _5-1, not gate IC _5-2And diode D ₂₀Form, delay circuit 8 is by diode D ₁₂With D ₁₃, resistance R ₂₆And capacitor C ₁₂Form, clamp circuit 9 is by not gate IC _1-1, diode D ₁₆And resistance R ₁₈Form, DTMF signaling circuit 10 is by DTMF double-tone frequency code sender IC ₄, four select a two-way switch I C ₃, IC ₄Connector JP and peripheral crystal oscillator JZ, resistance R ₂₀, capacitor C ₈To C ₁₀And capacitor C ₁₄To C ₂₅Form, sequential control circuit 11 is by Johnson counter IC ₂, rejection gate IC _5-3, not gate IC _5-4With IC _5-5, not gate IC _1-3, diode D ₁₁, diode D ₁₄With D ₁₅, resistance R ₁₆With R ₁₇, resistance R ₂₁To R ₂₅And capacitor C ₁₁, C ₁₃, C ₂₆Form, alert source trigger with logic control circuit 12 by with door IC _7-1To IC _7-3, diode D ₁₇To D ₁₉, not gate IC _1-2, resistance R ₁₉And capacitor C ₂₈To C ₃₀Form.Subscribers feeder commutating circuit 1 is with its R ₁An end and D ₂Negative electrode and D ₄The tie point of anode is as the output terminal of supplying with loop current, and start-up circuit 2 is by its R ₃IC with clamp circuit 9 _1-1The 4th pin join, by its D ₆Negative electrode and electronic switch control circuit 3 in R ₇One end links to each other, the T of electronic switch 4 ₄Base stage be connected on the resistance R of electronic switch control circuit 3 ₁₀One end, IC in the DTMF signaling circuit 10 ₄T end and

The end respectively with DTMF amplifying circuit 5 in R ₁₁With T in the start-up circuit 2 ₂Collector join IC in the sequential control circuit 11 ₂D ₁, D ₄And D ₅The end respectively with DTMF signaling circuit 10 in IC ₃M ₁, trigger in alert source with logic control circuit 12 in IC _7-1To IC _7-3Public input end and process tone detection circuit 7 in IC _5-1The 15th pin link to each other, alert source trigger with logic control circuit 12 in IC _7-1To IC _7-3Output terminal and IC _1-2Output terminal respectively with DTMF signaling circuit 10 in IC ₃M ₂To M ₄With R in the clamp circuit 9 ₁₈An end join D in the delay circuit 8 ₁₂Negative electrode and D ₁₂D in anode and the clamp circuit 9 ₁₆After anode is linked to be a bit again with process tone detection circuit 7 in D ₂₀Negative electrode join.Power circuit 6 provides power supply by A, B two ends, and the A point is a working power, and the B point is to prepare power supply, and the B point offers IC ₁And IC ₄, all the other power supplys are provided by the A point.Integrated circuit (IC) ₁To IC ₇Model can select for use respectively and be 74HC04,4017,4066, S7241B, 4572, LM567,4081.Triode T ₄Can select HMPSS4 for use, all the other triodes can be selected 2SC1815 for use, and diode then can be selected 1M414R for use.

Below in conjunction with Fig. 2 this machine is made and to further specify.This machine has 3 to trigger the input port, can define its function and effect according to user's needs, as definition I ₁For burglar alarm triggers, I ₂For fireproof alarming triggers, I ₃Trigger for the guest is visiting.Just should not remake change in case defined the back.In case artificial maloperation.Ii=0 at ordinary times, D ₄=0.Suppose to work as I ₂=1 o'clock, IC then _1-22 pin output low levels, IC _1-14 pin output high level, make T ₁Conducting is through D ₆Make T ₂Conducting.

End is by high step-down, promptly

=0, IC ₄Be in number state of sending out.While T ₁Conducting and make T ₃So conducting is electronic switch T ₄Circuit power is set up in conducting, makes circuit be in off hook state, set up simultaneously with city office programme-controlled exchange between channel, number ready.On the other hand, the power supply of foundation is through R ₁₇, C ₁₃After the time-delay, make IC _1-36 pin output low levels, start by IC _5-3To IC _5-5, R ₂₂With R ₂₃And C ₂₆The oscillatory circuit of forming, producing the gap is the oscillating impulse of IS, send IC ₂Decade counter is exported Q respectively ₀-Q ₉Time sequential pulse, Q ₀Be off-hook stable period, Q ₁Be destination address code dialing cycle, Q ₂, Q ₃Be latent period, wait for promptly that city office is program control to continue or time that central server is handled off-hook Q ₄Be station address and information code transmission cycle, Q ₅Be process sound latent period, Q ₆For finishing the reset cycle.IC ₄Memory cell N with 4 storage 16 item sign indicating numbers ₁, N ₂, N ₃, N ₄, work as Q ₁During the output high level, IC ₃M ₁Connect IC ₄Send M ₁The destination address sign indicating number of unit storage is exported to T by the T end ₅, through T ₅After the amplification double-audio signal is served subscribers feeder, put through central server or radio paging platform, through Q ₂, Q ₃Behind the latent period, Q ₄The output high level is with IC _7-2I ₂Xiang Yuhou makes M ₃Contact is connected, M ₃The user code and the information code of unit storage are served subscribers feeder, offer the central server analyzing and processing, and central server can and provide needed service according to the information analysis alarm place that provides.Q ₅If waiting process sound periodically is IC ₆Detect busy tone, then represent this communication failure, IC ₆The 4th pin output high level is through IC _5-2The high level of the 11st pin is to C ₁₂C is worked as in charging ₁₂Level is 1 o'clock, passes through D ₁₆Catching diode makes IC _1-1The 4th pin output low level, T ₁End T ₂End,

=1, IC ₄Transmission, T simultaneously are under an embargo ₃End T ₄Disconnect, be equivalent to on-hook, whole subscribers feeder resets, the blocking of oscillator.Restart circuit by D ₁₂, D ₁₃, D ₂₆And C ₁₂Form, because IC at ordinary times _5-2The 11st pin output low level, C ₁₂Level is 0, works as IC _5-2The 11st pin passes through D during by low uprising ₁₃At first give C ₁₂D is passed through in charging ₁₆Clamping action, the circuit power supply of losing the job.At this moment, C ₁₂On electric charge pass through R ₂₆, D ₁₂The clamp current potential of certain hour is kept in discharge, delivers to city office programme-controlled exchange to guarantee on-hook signal.Work as C ₁₂Behind the discharge off, the clamp current potential lost efficacy, T ₁Again conducting repeats aforementioned process.If at Q ₅Process sound no-output then enters Q during this time ₆In the cycle, represent that this communicates by letter successfully.Q ₆The output noble potential passes through D ₁₅Deliver to IC ₂Reset terminal, entire circuit resets, one time alarm operation is finished.

The utility model has thoroughly solved the far distance automatic transmission problem of early warning information, is specially adapted to home security, fire prevention, the visiting early warning that reaches medical aid of guest.In addition, can both well be used at aspects such as hotel guest-room service, hospital bed services.

Claims (2)

1, the automatic conveyer of a kind of early warning information is characterized in that:

A) it has by subscribers feeder commutating circuit (1), start-up circuit (2), electronic switch control circuit (3), electronic switch (4), DTNF amplifying circuit (5), the subscribers feeder control circuit that power circuit (6) and process tone detection circuit (7) are formed, electronic switch (4) two ends are serially connected in the loop between subscribers feeder commutating circuit (1) two output terminal, the power input of start-up circuit (2) and electronic switch control circuit (3) is attempted by respectively in the loop between electronic switch (4) subscribers feeder commutating circuit (1) two output terminal before, DTNF amplifying circuit (5), the power input of power circuit (6) and process tone detection circuit (7) is attempted by respectively in the loop between electronic switch (4) subscribers feeder commutating circuit (1) two output terminal afterwards, the output terminal of start-up circuit (2) links to each other with the input end of electronic switch control circuit (3), and the control end of the output terminal of electronic switch control circuit (3) and electronic switch (4) joins;

B) also has delay circuit (8), clamp circuit (9), DTNF signaling circuit (10), trigger and logic control circuit (12) in sequential control circuit (11) and alert source, trigger in alert source has the triggering input end that links to each other with the sequential control output terminal of sequential control circuit (11) with logic control circuit (12), and also has respectively a logic control output terminal that the input end with DTNF signaling circuit (10) and clamp circuit (9) joins, sequential control circuit (11) also has respectively the sequential control output terminal that links to each other with the input control end of the input end of DTNF signaling circuit (10) and process tone detection circuit (7), the output terminal of DTNF signaling circuit (10) is connected on the input end of DTNF amplifying circuit (5), the control end of DTNF signaling circuit (10) links to each other with the output terminal of start-up circuit (2), the output terminal of process tone detection circuit (7) joins with the input end of delay circuit (8) and the control end of clamp circuit (9) respectively, the output terminal of clamp circuit (9) links to each other with the input end of start-up circuit (2), and power circuit (6) provides dc supply to circuitry.

2, the automatic conveyer of early warning information as claimed in claim 1 is characterized in that, subscribers feeder commutating circuit (1) is by diode D ₁To D ₄, resistance R ₁, voltage dependent resistor (VDR) Rv and capacitor C ₁Form, start-up circuit (2) is by triode T ₁With T ₂, diode D ₅With D ₆, resistance R ₂To R ₆And capacitor C ₂Form, electronic switch control circuit (3) is by triode T ₃, diode D ₇With D ₈And resistance R ₇To R ₁₀Form, electronic switch (4) is by triode T ₄Constitute, DTMF amplifying circuit (5) is by triode T ₅, resistance R ₁₁With R ₁₂And capacitor C ₃Form, direct supply (6) is by diode D ₉With D ₁₀, stabilivolt 2D ₁To 2D ₃, resistance R ₁₃With R ₁₄, capacitor C ₄With C ₇And battery F composition, process tone detection circuit (7) detects integrated circuit (IC) by sound signal ₆, resistance R ₁₅, capacitor C ₅With C ₆, Sheffer stroke gate IC _5-1, not gate IC _5-2And diode D ₂₀Form, delay circuit (8) is by diode D ₁₂With D ₁₃, resistance R ₂₆And capacitor C ₁₂Form, clamp circuit (9) is by not gate IC _1-1, diode D ₁₆And resistance R ₁₈Form, TDMF signaling circuit (10) is by DTMF double-tone frequency code sender IC ₄, four select a two-way switch I C ₃, IC ₄Connector JP and peripheral crystal oscillator JZ, resistance R ₂₀, capacitor C ₈To C ₁₀And capacitor C ₁₄To C ₂₅Form, sequential control circuit (11) is by Johnson counter IC ₂, rejection gate IC _5-3, not gate IC _5-4With IC _5-5, not gate IC _1-3, diode D ₁₁, diode D ₁₄With D ₁₅, resistance R ₁₆With R ₁₇, resistance R ₂₁To R ₂₅And capacitor C ₁₁, C ₁₃, C ₂₆Form, alert source trigger with logic control circuit (12) by with door IC _7-1To IC _7-3, diode D ₁₇To D ₁₉, not gate IC _1-2, resistance R ₁₉And capacitor C ₂₈To C ₃₀Form.

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