CN2252463Y - Automatic calling for help siren using telephone - Google Patents

Abstract

The utility model provides an automatic help calling alarm through a telephone, which belongs to a telephone communication alarm device. The automatic help calling alarm through a telephone has the structure that a sensor transfers alarm signals to a trigger circuit to drive a delay circuit to work in sequence to realize the off hook function and the redialing function of a telephone; the automatic help calling alarm through a telephone raises the alarm to a beep pager through a wireless paging station, or starts a language alarm circuit to enhance the alarm to a designated telephone. The automatic help calling alarm through a telephone is also provided with a reposition control circuit to cause the trigger circuit to stop working. The automatic help calling alarm through a telephone is suitable for being matched with various audio telephones and pulse telephones, and can cause fire and thief dangerous cases which happen to be alarmed to the party. The automatic help calling alarm through a telephone has the characteristics of simple structure, convenient use and repair and low cost.

Description

Utilize telephone set automatic calling for help alarm

The utility model provides a kind of phone automatic calling for help alarm that utilizes.

The present existing warning device that utilizes the phone distress call mainly contains following several:

One, adopts Single Chip Microcomputer (SCM) system, deposit telephone number, identification and control program in microsystem, cooperate language generation circuit to realize distress call again.This device, user's modification are called for help telephone number, debugging, maintenance and are all needed special-purpose micro-computer development equipment, use extremely inconvenient;

Two, utilize telephone set, the automatic paging platform is reported to the police to carrying beeper, this device, transmit outer signals by transducer to circuits for triggering, make its work, the work of drive control circuit, make telephone set simulate " off-hook ", " dialing " reports to the police to carrying beeper through 127, it is given and to carry the go out people of work of beeper and brought very big convenience, but it is not suitable for the unit that do not have beeper or family uses, in case and after circuits for triggering are triggered, control circuit is worked always, telephone set will be repeatedly " off-hook ", " dialing " manually just can stop until the people, can the repetition and waste telephone charges.

Three, utilize strong other telephone number of storing of telephone set " address ", carry out language alarm to subscriber phone.It mainly is to transmit signal with transducer to circuits for triggering to make circuits for triggering drive control circuit work, makes telephone set simulate " off-hook ", " redialing ", and preset telephone number is put through, and carries out language alarm again.

The utility model provides a kind of phone automatic calling for help alarm that utilizes, and it is simple in structure, use is easy to maintenance, and has concurrently to carry-on beeper call alarm telephone number with to other phone and carry out the function of language alarm, and can close automatically by implement device after warning.

The phone automatic calling for help alarm that utilizes provided by the utility model comprises transducer, circuits for triggering, delay circuit 1, delay circuit 2, relay J ₁, Light Coupled Device PC and telephone set etc., transmit triggering signal (adopting controllable silicon to do circuits for triggering) by transducer to circuits for triggering, after the circuits for triggering conducting, make by time-base circuit IC ₃Delay circuit 1 work of forming produces pulse signal, works as IC ₃During output pin 3 output high level, make to be connected on its output and to put relay J 1 adhesive of pitching part and connecing with phone, telephone set " off-hook ", at this moment, by time-base circuit sheet IC ₄Single stabilization delay circuit 2 work of forming produce pulse signal, when its output high level, make to be connected on IC ₄The optical coupler PC conducting of output, the phone that is connected on Light Coupled Device PC output " redials " strong putting through, and notifies from a phone call to the wireless paging station.Also be provided with the language alarm circuit on this alarm, set language alarm circuit is by time-base circuit sheet IC ₆Be connected on IC ₅Capacitor C on the input pin 6,2 ₁₄, resistance R ₁₈The delay circuit of forming 3, and be connected on the language circuit wafer IC that delay circuit 3 is exported ₇Form, the input of language alarm circuit passes through K switch ₁Join with the output of delay circuit 1.Also be provided with the reset control circuit of being made up of control circuit and reset circuit on alarm, described control circuit constitutes by amplifying circuit, decoding circuit or with delay circuit 4 that circuits for triggering output is joined, and described reset circuit is by transistor VT ₁, VT ₂, VT ₃And resistance R ₉, R ₁₁, R ₁₂, capacitor C ₉Etc. formation, resistance R ₉With transistor VT ₁Base stage is joined, resistance R ₁₁Be connected on transistor VT ₁Emitter-base bandgap grading and VT ₂Between base stage, resistance R ₁₂, capacitor C ₉And be connected in transistor VT ₂Collector electrode and transistor VT ₃Between, when on the telephone set address is strong, presetting the beeper number, by the wireless paging station send accept the amplifying circuit of signal and amplify through joining with the telephone set inlet wire after, send decoding circuit to decipher after, through resistance R ₉Send control signal to reset circuit, circuits for triggering are closed.Described amplifying circuit is by operational amplifier IC ₁Form IC ₁An input pass through capacitor C ₁Join another another inlet wire of input termination, IC with phone one inlet wire ₁3,4 of two input pins be connected to by diode/D ₁, D ₂The input protection circuit of forming, the output pin 1 of operational amplifier IC passes through capacitor C ₄Join with decoding circuit, decoding circuit is by decoder IC ₂, resistance R ₇, capacitor C ₅Deng composition, resistance R ₇, capacitor C ₅Series connection is at IC ₂Input pin 5 on, input pin 6 and resistance R ₇, capacitor C ₅Node join the output of decoding circuit and the resistance R in the reset circuit ₉Join.When presetting the substation number on the phone " address strong " and adopt the language alarm circuit alarm, send control signal by the delay circuit that joins with circuits for triggering 4 to reset circuit, circuits for triggering are closed.Delay circuit 4 is by time-base circuit sheet IC ₅With resistance R ₂₀, capacitor C ₁₇, diode D ₆Form resistance R ₂₀Be connected on 6,2 of circuits for triggering output and input pins, C ₁₇Be ground capacity, its other end while and IC ₅Input pin 2,6 join, output pin 3 is by diode D ₆Resistance R in anode and the reset circuit ₉Join.

Brief description operation principle of the present utility model: owner presets the telephone set address of family or unit the telephone number in institute place to go or carries the beeper number on strong when going out, and when presetting the beeper number, will connect the K switch of language alarm circuit ₁Disconnect.When dangerous situation took place, transducer was passed to controllable silicon with triggering signal by the silicon controlled controller and is made its conducting, to the delay circuit power supply, and delay circuit 1 work, output pulse signal when the output high level, is connected on the relay J of its output ₁Adhesive, the telephone set off-hook at this moment, constitutes the time-base circuit IC of delay circuit 2 ₄Get electric output pulse signal, when the output high level, be connected on the Light Coupled Device PC conducting of its output, telephone set " redials strong " and puts through, and notifies from a phone call to the wireless paging station and specifies the beeper number, after the wireless paging station accepts, beam back one and accept sound, this moment, signal frequency was through capacitor C ₁After the big circuit that veers away amplifies, by decoder IC ₂Decoding is when accepting acoustic frequency and IC ₂Self-oscillation frequency when consistent, IC ₂Output through resistance R ₉To the reset circuit output low level, make reset circuit work, thereby send to cut-off signals to controllable silicon, make its shutoff, alarm quits work.The line is busy as the wireless paging station, and alarm still can repeat work, till the wireless paging station accepts.What preset on the phone of alarm when going out is telephone number, will connect the K of delay circuit 1 output with the language alarm circuit ₁Close, telephone set " off-hook ", " redialing " promptly start the language alarm circuit and carry out language alarm after being good for and putting through, and at this moment, export high level with the delay circuit 4 that the circuits for triggering output joins always, suitably choose resistance R ₂₀And capacitor C ₁₇Value, make its output high level keep to the reset circuit output low level, making reset circuit work after 120 seconds, turn-off controllable silicon, thereby turn-off this alarm.

The telephone set automatic calling for help alarm that utilizes provided by the utility model, circuit structure is simple, reasonable in design, cost is low, installation, debugging, easy to use both be fit to report to the police to carrying beeper, were fit to again carry out language alarm to telephone set, circuit is provided with reset control circuit simultaneously, has avoided the electricity wasting telephone expenses.

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

Fig. 2 is an electric principle work sheet of the present utility model,

Wherein: CP ₁Be the signal that transducer is sent here, L ₁, L ₂Be the telephone set inlet wire, the Light Coupled Device PC output machine of answering the call " redials " strong;

Fig. 3 is the wiring circle of transducer in the alarm,

(a), adopt tongue tube to make transducer,

(b), adopt tactiosensible transducer,

Wherein: CGQ is a transducer, K ₂, K ₂' be secret switch.

The utility model is installed by circuit diagram shown in Figure 2 and is got final product, and entire circuit can be made modular form and be installed in the telephone set, and transducer can adopt secret switch to cooperate with tongue tube, magnet, also can adopt secret switch to cooperate with other transducer.

Claims (3)

1, a kind of telephone set automatic calling for help alarm that utilizes comprises transducer, circuits for triggering, delay circuit 1, delay circuit 2, relay J ₁, Light Coupled Device PC and phone etc., transmit triggering signal by transducer to circuits for triggering and make its work, 1 work of circuits for triggering output control delay circuit makes to be connected on its output and to put the relay J of pitching part and connecing with phone ₁Adhesive, the telephone set off-hook, at this moment, delay circuit 2 work make the optical coupler PC conducting that is connected on its output, and the phone that is connected on Light Coupled Device PC output redials strong putting through, put through call with being preset at the beeper number of being good for the address, it is characterized in that to the wireless paging station:

(1), on alarm, also be provided with the language alarm circuit, described language alarm circuit is by time-base circuit sheet IC ₅Be connected on IC ₅Capacitor C on input pin 6, the pin 2 ₁₄, resistance R ₁₈The delay circuit of forming 3 and be connected on language circuit wafer IC in delay circuit 3 outputs ₇Form, the input of language circuit passes through K switch ₁Join with the output of delay circuit 1;

(2), on alarm, also be provided with the reset control circuit of forming by control circuit and reset circuit, described control circuit constitutes by amplifying circuit, decoding circuit or with delay circuit 4 that circuits for triggering output is joined, described reset circuit is by transistor VT ₁, VT ₂, VT ₃And resistance R ₉, R ₁₁, R ₁₂, capacitor C ₉Constitute resistance R ₉Meet transistor VT ₁Base stage, resistance R ₁₁Be connected on transistor VT ₁Emitter-base bandgap grading and VT ₂Base stage between, resistance R ₁₂, capacitor C ₉Be connected on transistor VT after the parallel connection ₂Collector electrode and VT ₃Between transistor, when presetting the BP number on the phone address is strong, the signal warp of accepting that is sent by the wireless paging station amplifies with the amplifying circuit that the telephone set inlet wire joins, and send decoding circuit decoding after resistance R ₉Send control signal to reset circuit, reset circuit work is sent reset signal to circuits for triggering, and alarm is quit work; When on the phone address is strong, presetting the subsets number, by the delay circuit 4 time-delay backs that join with circuits for triggering to through resistance R ₉Sending control signal to reset circuit closes circuits for triggering.

2, alarm according to claim 1 is characterized in that: the amplifying circuit that constitutes control circuit described in (2) in the reset control circuit is by operational amplifier IC ₁Form IC ₁An input pass through capacitor C ₁Join another another inlet wire of input termination, IC with phone one inlet wire ₁3,4 of two input pins be connected to by diode D ₁, D ₂The input protection circuit of forming, operational amplifier IC ₁Output pin 1 pass through capacitor C ₄Join with decoding circuit, decoding circuit is by decoder IC ₂, resistance R ₇, capacitor C ₅Form IC ₂Input pin 5 on be serially connected with resistance R ₇, capacitor C ₅, input pin 6 is connected on resistance R ₇, capacitor C ₅Node on, its output with reset circuit in resistance R ₉Join.

3, alarm according to claim 1 is characterized in that: the delay circuit 4 that joins with circuits for triggering in the described reset control circuit is by time-base circuit sheet IC ₅With resistance R ₂₀, capacitor C ₁₇, diode D ₆Form resistance R ₂₀Be connected on 6,2 of circuits for triggering output and input pins, C ₁₇Be ground capacity, its other end while and IC ₅Input pin 2,6 join, output pin 3 is by diode D ₆Resistance R in anode and the reset circuit ₉Join.

Images