CN2247910Y - Telephone type automatic alarm device - Google Patents

Abstract

The utility model provides a telephone type automatic alarm device. The utility model is jointly composed of a locking button, a polarity protecting circuit, an oscillating controller, a sequence circuit, an electronic switch, a pulse voice frequency dialing circuit, a starting circuit, a power circuit, a pulse opening and closing controlling circuit and a voice frequency amplifier. The utility model can be used for the distress of various units, families, etc. to send out help calling signals to related departments via a telephone system. The utility model has the advantages of simple and easy operation and good invisibility. The utility model is particularly suitable for bandit alarm help calling. The utility model does not consume electricity during non-working period.

Description

The telephone-type autoalarm

The utility model belongs to a kind of signalling, particularly a kind of telephone-type autoalarm.

When people are subjected to the violence infringement, for catching criminal and avoiding injuring the assistance of all wishing to obtain fast public security department.The current social phone is very universal, thereby phone is used in warning more in the fixed location.Telephone call has following several situation.A kind of is plain old telephone, takes phone by the speaker, puts through the relevant phone of department of accepting, report incidence of criminal offenses place, organization, the simple plot of incidence of criminal offenses.At this moment the speaker will remember the telephone number of the side of accepting, and adequate time and may dial and clarify briefing, otherwise can not finish to report to the police, and also just can not get assistance.Store in second kind of phone and relevant accept the telephone number of department, but also communication process must be arranged.The third is new recording playing-type alarm call at present, only hangs on, and presses the recording play button, briefing could be reported to the department of accepting.If there is not the sufficient time, or infringer do not allow to operate phone, still can't realize telephone call.

The purpose of this utility model is to provide a kind of telephone-type autoalarm, utilizes telephone exchange to have the function that can discern the user, finishes to relevant departments with open-and-shut hidden action and reports to the police.

The utility model is realized as follows.

The utility model is made of lockable button, polar protective circuit, oscillating controller, sequence circuit, electronic switch, pulsetone dial-up circuit, start-up circuit, power circuit, pulse switch control circuit, audio frequency amplifier.The arrival line A of extension and B are as the input-output line of this device; the A line is connected to lockable button serial connection back on two inputs of polar protective circuit simultaneously with the B line; connect as follows as power path; the output plus terminal of polar protective circuit and oscillating controller power end; the input switch end of sequence circuit power end and electronic switch is connected; and oscillating controller; sequence circuit and electronic switch three's earth terminal is connected with the earth terminal of polar protective circuit; the pulse switch control circuit; start-up circuit; power circuit; the power end of audio frequency amplifier is connected to the output switch terminals of electronic switch jointly; and the pulse switch control circuit; start-up circuit; power circuit; audio frequency amplifier; the earth terminal of pulsetone dial-up circuit is connected to the earth terminal of polar protective circuit jointly, and the output of power circuit is connected to the power end of pulsetone dial-up circuit.As follows as the control signal path, the output of oscillating controller is connected to electronic switch and sequence circuit control end, the output of sequence circuit is connected to the signal input part of pulsetone dial-up circuit, the pulse output end of pulsetone dial-up circuit is connected to the pulse switch control circuit, and the audio output of pulsetone dial-up circuit connects the audio frequency amplifier signal end.The output of start-up circuit is connected to the control end of pulsetone dial-up circuit.Power circuit is made up of voltage stabilizing circuit and constant-current circuit.

The utility model has following advantage.

As long as the lockable button is pressed, the warning that warning device of the present utility model just can automatically produce prior setting is accepted the telephone number signal of department and is accepted department by the telephone system call alerts, and the lockable button is not removed then this catchword and just gone on periodically always.And the user items of the department that accepts that reports to the police by telephone exchange and storage in advance corresponding just can be easy to find call out the place and the unit that originate and implement to rescue.Telephone set is thrown off in operation clearly of the present utility model, and good concealment is operated extremely simply, originally installs not power consumption, not stand-by power source in non-alarm condition.

Description of drawings.

Fig. 1 is the block diagram of the utility model warning device.

Fig. 2 is the circuit diagram of the utility model warning device.

Below in conjunction with accompanying drawing in detail embodiment of the present utility model is described in detail.

See figures.1.and.2, the utility model is made of jointly lockable switch S 1, polar protective circuit (1), oscillating controller (2), electronic switch (3), pulse switch control circuit (4), start-up circuit (5), power circuit (6), audio frequency amplifier (7), pulsetone dial-up circuit (8), sequence circuit (9).Two line A that this device externally connects and B are connected the inlet of regular phone extension set; serial connection lockable switch S 1 on incoming line A; A then; the B two wires is connected to the input of polar protective circuit (1); it also also is the interchange end of diode bridge; the output of polar protective circuit (1) has positive and negative two ends; these two ends are the circuit supply of back; it at first is supply access; sequence circuit (9); oscillating controller (2); electronic switch (3) three's power end is connected to the anode of polar protective circuit (1); and three's negative terminal is connected to the negative terminal of protective circuit (1); negative terminal is also ground connection also; electronic switch (3) is three terminal circuits; its power end input also the time; the other end of electronic switch (3) is an output; pulse switch control circuit (4); start-up circuit (5); the output of power circuit (6) and audio frequency amplifier (7) four electronic switches (3), and pulse switch control circuit (4); start-up circuit (5); power circuit (6); the negative terminal of audio frequency amplifier (7) and pulsetone dial-up circuit (8) five is connected to the negative terminal of polar protective circuit (1).In the present embodiment, power circuit (6) is made of jointly voltage stabilizing circuit (6-1) and constant-current circuit (6-2), and the output end of pressure-stabilizing of voltage stabilizing circuit (6-1) is connected to the power end of pulsetone dial-up circuit (8).Be the control signal path below, when lockable switch S 1 is connected, at first be oscillating controller (2), electronic switch (3), sequence circuit (9) energising, oscillating controller (2) produces control impuls and reaches electronic switch (3) and sequence circuit (9) by output, at this moment pulse switch control circuit (4) is given in electronic switch (3) conducting, start-up circuit (5), power circuit (6)) and audio frequency amplifier (7) switch on simultaneously, then power circuit (6) is given pulsetone dial-up circuit (8) energising, and the start end that start-up circuit (5) output voltage connects pulsetone dial-up circuit (8) starts dial-up circuit (8).Be provided with predetermined warning in the sequence circuit (9) and accept department's telephone number generation sequential, this sequential is delivered to pulsetone dial-up circuit (8) by output, at this moment dial-up circuit (8) inspires the dialing signal that sets, dial-up circuit (8) has the pulse dialing of generation and two kinds of functions of audio frequency formula dialing signal, decide by the location switch, select by the S2 in the circuit, if audio signal is just delivered to audio frequency amplifier (7), amplify the back and deliver in the outside line system by electronic switch (3).Be under the connection situation at S1, the above course of work just goes on again and again.

Constituent relation between Fig. 1 and Fig. 2 is as follows:

Polar protective circuit (1) is connected into bridge rectifier by 4 diodes and constitutes, and the interchange two ends of bridge rectifier connect telephone wire A and B, the negativing ending grounding in the dc terminal, and anode is the back circuit supply as power end.

Oscillating controller (2) is that the master constitutes R by 555 oscillator integrated packages in the present embodiment ₁, E ₃, T ₃Constitute 555 voltage stabilizing circuit, wherein T ₃Be voltage stabilizing didoe, also have resistance R ₁₃, R14 and electric capacity E ₂, C ₅According to the component values in this circuit, be 10 seconds the cycle of oscillation of oscillating controller (2).The output of oscillating controller (2) is connected to the triode N in the electronic switch (3) ₆Base stage, another root output line is connected to the first monostable input of sequence circuit (9).

Electronic switch (3) is by triode P ₃And N ₆Common formation, triode N ₆In parallel with the back circuit, triode P ₃Be serially connected on the power path of back circuit, the output square wave of oscillating controller (2) passes through resistance R ₂₄Receive N ₆Base stage, pass through resistance R again ₂5 with N ₆Collector electrode be connected to P ₃Base stage, when square-wave signal then promotes N ₆Conducting promotes P again ₃Conducting, P ₃The back circuit has power supply and starts working during conducting, and electronic switch (3) is that pulse switch control circuit (4), power circuit (6), start-up circuit (5) and audio amplifier circuit (7) power supply and sequence circuit (9) are powered.

Power circuit (6) is made up of source of stable pressure circuit (6-1) and constant-current source circuit (6-2).Source of stable pressure circuit (6-1) is by diode D ₁, D ₂, electric capacity E ₁, resistance R ₃And voltage stabilizing didoe T ₁The common composition, source of stable pressure circuit (6-1) is given pulsetone dial-up circuit (8) power supply.Constant-current source circuit (6-2) is by triode P ₄, diode D ₃, D ₄, D ₅With resistance R ₃₀, 31 form jointly, constant-current source circuit (6-2) is in pulse-switching circuit (4), audio amplifier circuit (7) and source of stable pressure circuit (6-1) and is connected in parallel.

Core in the present embodiment is pulsetone dial-up circuit (8), and pulsetone dial-up circuit (8) is made of pulsetone dialing integrated package UM91210C basically, M/D pin 6 wherein and USS pin 11 ground connection, and MODE pin 7 is connected to a single-pole double-throw switch (SPDT) S ₂Cutter on, and switch S ₂One throw ground connection another thrown and is connected to VDD, the quartz crystal that it is 3-57954MHZ that DSCIN pin 8 and OSCOUT pin 9 are connected to a frequency of oscillation respectively.VDD pin 10 connects source of stable pressure circuit (6-1).

Pulsetone dial-up circuit (8) start end HS pin 5 is connected to the triode N of start-up circuit (5) ₂Collector electrode, form the resistance R that also has of start-up circuit (5) ₈, R ₁₀And C ₃Has only the triode N in the start-up circuit (5) ₂Conducting just can make integrated package UM91210C start work.

Pulsetone dial-up circuit (8) also is subjected to the control of sequence circuit (9).Sequence circuit (9) is formed by 6 monostable trigger-action circuit serial connections in the present embodiment, has adopted three two monostable 4538 in the practical application, and the police emergency call number that China determines is " 110 ", so the second monostable output pin 10 is connected amplifier tube N by resistance R 28 ₅Base stage, and N ₅Emitter and collector be connected to dialing integrated package UM91210c respectively dial " 1 " input pin 15 and 1, serial vein was brought the integrated package that then dials and will be produced one " 1 " dialing at that time, the same the 4th monostable output also is connected to the base stage of amplifier tube N5 by resistance R 27, monostable order is by arranging from left to right among Fig. 2, opening the control end of dialling " 1 " once more in this slow a period of time of previous dialing is input pin 15 and 1, produces the once dialing of " 1 " again.The 4th monostable output 16 also is connected to also also trigger end 5 of the 5th monostable input simultaneously, after the 5th and the 6th monostable delay, signal is passed through resistance R from the 6th the 10th monostable pin ₂₃Deliver to triode N ₄, triode N ₄Emitter and collector connect pin 4 and the pin 16 of pulsetone dial set UM91210C in blocks respectively, at this moment UM91210C just produces the dialing of " 0 ".

It is the audio work type that pulsetone dial-up circuit (8) has two kinds of job categories a kind of, at this moment will be with switch S ₂Throw to earth terminal, at this moment UM91210C will produce voice-frequency dialing and deliver to audio frequency amplifier (7) from " 110 " dialing that 12 outputs of TONE pin will produce, and promptly passes through resistance R ₁₁With the TONE pin 12 of UM91210C and the triode N of audio frequency amplifier (7) ₃, and triode N ₃Collector electrode be connected to the triode P of pulse switch control circuit (4) ₂Collector electrode, the triode P of dialing signal by pulse switch control circuit (4) ₁And the triode P of electronic switch (3) ₃Arrive polar protective circuit (1) X, arrive telephone wire A and B by polar protective circuit (1) again.

The another kind of job category of pulsetone dial-up circuit (8) is the pulsed operation type, at this moment with switch S ₂Throw to vdd terminal, when dialing took place, pulsetone dialing integrated package UM91210C produced pulse dialing, is passed to the triode N of pulse switch control circuit (4) by 14 outputs of DP pin ₁Base stage, through N ₁Deliver to again by triode P after the amplification ₁And P ₂After the multiple tube of forming amplifies once more, by the P of electronic switch (3) ₃And polar protective circuit (1) is delivered to telephone wire A and B.Pulse switch control circuit (4) is the pulse dialing that is used for amplifying dial-up circuit (8) output.

Principle of the present utility model is such.In the warning department of accepting the recognition device that phone is sent in dialing is set, this is a prior art, and store key element is corresponding the title place of the warning of registration in advance reservation unit etc., with the robber and police is example, when in a single day the warning unit of accepting receives once the dial-up of " 110 ", identifying it earlier is which telephone number is dialled, dial " 110 " number because be, so must be robber and police, just can dispatch officers to sue and labour by the key element of the corresponding unit of this phone that prestores, telephone-type autoalarm of the present utility model is to obtain power supply from telephone wire, as long as connect down switch S ₁, the warning personnel do not remake other actions, and this device just automatically produces " 110 " dialing of reporting to the police and delivers to phone line and transport to the department that accepts that reports to the police.Need only the telephone set inlet that the utility model is connected in parallel on warning unit during application.

Claims (2)

1. telephone-type autoalarm; by polar protective circuit (1); pulse switch control circuit (4); start-up circuit (5); power circuit (6); audio frequency amplifier (7); pulsetone dial-up circuit (8) constitutive characteristic is wherein to also have lockable button S1; oscillating controller (2); electronic switch (3) and sequence circuit (9); externally be connected to the A of extension inlet; the B two-lines is connected to two ac input ends of polar protective circuit (1) behind lockable button S1 on the A line serial connection; the output positive and negative terminal of polar protective circuit (1) is connected to oscillating controller (2) then; electronic switch (3); sequence circuit (9) feeder ear; the anode of polar protective circuit (1) is connected to pulse switch control circuit (4) after passing electronic switch (3); start-up circuit (5); power circuit (6); audio frequency amplifier also connects feeder ear; the output of power circuit (6) is given pulsetone dial-up circuit (8) feeder ear; control signal is produced by oscillating controller (2) and sends into electronic switch (3) and sequence circuit (9); the clock signal of sequence circuit (9) is sent into pulsetone dial-up circuit (8); pulsetone dial-up circuit (8) is delivered to audio frequency amplifier (7) with the voice-frequency dialing signal; and the pulse dialing signal is delivered to pulse switch control circuit (4), start-up circuit (5) will be exported the control end that control signal is delivered to pulsetone dial-up circuit (8).

2. warning device according to claim 1 is characterized in that described power circuit (6) is made up of voltage stabilizing circuit (6-1) and constant-current circuit (6-2).

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