CN2294496Y - Computer controlled paging alarm - Google Patents

Abstract

The utility model relates to an alarm device using an ordinary telephone line, which does not influence the normal use of a telephone set. The alarm device is composed of a singlechip, a double-audio number emitting circuit with a memory function, a double-audio amplifying circuit of the double-audio number emitting circuit with a memory function, a communication and alarm conversion control circuit, a communication and alarm conversion and polar protecting circuit, a number emitting starting circuit, a keyboard circuit, an alarm executing control circuit and a power supply circuit, wherein the power supply circuit provides electricity for the double-audio number emitting circuit and the number emitting starting circuit. When an alarm button is started, the alarm automatically, continuously, rapidly and accurately sends digital information with help connotation to BP machines of a plurality of destinations through a 127 paging station, and the action is repeated for many times.

Description

Computer control calling alarm device

The utility model relates to a kind of call alerts device, relates to a kind of device that utilizes ordinary telephone line to report to the police or rather.

The existing device that utilizes ordinary telephone line to report to the police, be attached in the telephone set, a called number normally prestores in telephone set, when plundering, when theft, fire or catastrophic failure, starting a button, warning device is simulated artificial off-hook, dial action, send the called phone number, make the ring of callee's phone, the warning device that has also by voice call is set, can send brief calling for help voice behind callee's off-hook.But owing to can not converse with the callee, perhaps calledly just " hurry ", perhaps callee's unmanned all can be incured loss through delay and reporting to the police even the inefficacy of reporting to the police takes place.In addition, could realize reporting to the police automatically, use to the user and cause difficulty, also be not easy to apply owing to will carry out the part transformation to telephone set.

The purpose of this utility model is a kind of computer control of design calling alarm device, be independent of telephone set outer but with the shared subscriber's telephone line of telephone set, utilize telephone wire and report to the police to more than one called paging machine (beeper), have the characteristics of easy to use, quick, accurate, high reliability and highly concealed type by the radio automatic paging platform.

Computer control calling alarm device of the present utility model is connected with subscriber's telephone line, comprises one-chip computer, keyboard circuit and two audio sending circuit, it is characterized in that:

Also include conversation/warning conversion and polarity protection phone, power circuit, a number starting circuit, double audio amplification circuit, conversation/warning conversion control circuit, report to the police and carry out control circuit and more than one warning button;

Conversation/warning conversion and polar protective circuit connect subscriber's telephone line and substation respectively; the output of conversation/warning conversion and polar protective circuit connects the input end of power circuit and the output terminal of double audio amplification circuit; the power end of first control end of the output terminal sending and receiving starting circuit of power circuit and two audio sending circuits; send out an output terminal of the described one-chip computer of the second control termination of number starting circuit; send out the start-up control end of the output termination double-tone number of the taking place frequently circuit of number starting circuit; the double-tone of two audio sending circuits is exported termination double audio amplification circuit input end frequently; described warning button is connected with the input end of one-chip computer; input end order sheet computing machine one output terminal of conversation/warning conversion control circuit; the output terminal of conversation/warning conversion control circuit is connected the control end of words/warning conversion and polar protective circuit; the input end of carrying out control circuit of reporting to the police is connected with the one-chip computer output terminal, and the output terminal of carrying out control circuit of reporting to the police is connected with described keyboard circuit and two audio sending circuit.

Described number starting circuit is a photoelectricity coupled circuit, luminotron side one end ground connection, the other end is second control end of described number starting circuit, be connected with described one-chip computer, light receiving tube side one end is first control end of described number starting circuit, be connected the start-up control end of another termination double-tone number of taking place frequently circuit of light receiving tube side with described power circuit.

Described conversation/warning conversion control circuit is the relay circuit that is driven by triode; Described conversation/warning conversion and polar protective circuit are connected and composed by relay normally open, normally closed contact, resistance R 1 and diode bridge; Relay normally open contact and resistance R 1 also connect, resistance R 1 one ends are connected with a telephone loop and relay normally closed contact one end, resistance R 1 other end connects diode bridge one input end, another input end of diode bridge is connected with another telephone loop and telephone set, the relay normally closed contact other end connects telephone set, and diode bridge output connects described power circuit.

Described warning is carried out control circuit and is made of more than one bidirectional electronic switch, the control end of each bidirectional electronic switch connects the output terminal of described one-chip computer respectively, and the switch ends of each bidirectional electronic switch connects the keyswitch of keyboard circuit and the input end of described pair of audio sending circuit respectively.

Also include a dummy resistance R0, resistance R 0 one ends are connected resistance R 0 other end ground connection with the output terminal of conversation/warning conversion and polar protective circuit.

Also include a storage digit manipulation key, be connected with an input end of described one-chip computer.

Memory function key on the operation keyboard and corresponding automatic paging platform, beeper number, give the numerical key of warning appointed information, under the support of single-chip microcomputer stored running program, corresponding information can be deposited in the memory location of two audio sending circuits corresponding with a certain button.Under the normal condition, conversation/warning conversion and polar protective circuit are failure to actuate, and warning device uses telephone set to have no effect to the user, and resistance R 1 is used for keeping the information that deposits two audio sending circuits in.During warning, only need press arbitrary warning button, the work of conversation/warning conversion control circuit, warning device inserts in the telephone loop, in single-chip microcomputer under the control of warning router, by automatic paging platform, the automatic paging of beeper number of storage, the concurrent alert appointed information (being commonly called as local information) of delivering newspaper is sent calling for help information quickly and accurately by the beeper of automatic paging platform (as 127 paging centers) to a plurality of targets ground.

Further specify technology of the present utility model below in conjunction with embodiment and accompanying drawing.

Fig. 1, computer control calling alarm device theory diagram.

Fig. 2, computer control calling alarm device are implemented circuit diagram.

Fig. 3, circuit control calling alarm device power circuit diagram.

Fig. 4, circuit control calling alarm device one-chip computer software architecture diagram.

Referring to Fig. 1, computer control calling alarm device 100 by conversation/warnings conversion and polar protective circuit 101, power circuit 102, send out number starting circuit 103, two audio sending circuit 104, double audio amplification circuit 105, one-chip computer 106, keyboard circuit 107, conversation/warning conversion control circuit 108, warning execution control circuit and 109 and alarm button S2, S3 connect and compose.L1, L2 are subscriber's telephone line among the figure, and 200 is subsets.

Press arbitrary warning button S2 or S3; start the warning router of single-chip microcomputer 106; single-chip microcomputer is sent control signal and is started conversation/warning conversion control circuit 108 and send out 103 work of number starting circuit; to converse/report to the police the conversion and polar protective circuit 101 place alarm condition; give two audio sending circuits 104 and send out 103 power supplies of number starting circuit by power circuit 102; with the two audio sending circuits 104 of startup; assignment key in user's operating keyboard circuit 107; single-chip microcomputer 106 is carried out control circuit 109 by reporting to the police will be stored in automatic paging platform in two audio sending circuits 104; beeper number and give the numerical information of certain connotation is by double audio amplification circuit 105; conversation/warning conversion and polar protective circuit 101 are to subscriber's telephone line L1; L2 sends continuously.The execution control circuit 109 of reporting to the police cooperates with keyboard circuit 107, under the programmed control of single-chip microcomputer storage operation, also the numerical information of giving numerical information, automatic paging platform and the beeper number of certain connotation can be deposited in dual-tone dialing circuit 104 and corresponding with keyboard correspondent button position, as long as the user presses this key, alarm promptly can send the numerical information on this key position automatically.

Referring to Fig. 2, relay normally open, normally closed contact JB1-2, JB1-1 and resistance R 1, R2, voltage dependent resistor (VDR) RU and diode bridge B1 connect and compose conversation/warning conversion and polar protective circuit 101.Stabilivolt W1, W2, resistance R 3, R5 and diode D1 etc. connect and compose power circuit 102.Photoelectrical coupler O1 and phase inverter U2:F etc. connect and compose and send out number starting circuit 103.Transistor N1 and peripheral cell thereof connect and compose double audio amplification circuit 105.Two audio sending circuits 104 adopt pulse/dual-tone dialing integrated circuit 9114 (placing the double-tone number of taking place frequently state).One-chip computer 106 adopts 89C2051.Keyboard circuit 107 adopts 3 * 5 keyboards, contains numerical key 0-9, store function key S (STONE) and call function key A (CALL).Transistor N4, relay J B1 and peripheral cell thereof constitute conversation/warning conversion control circuit 108.Phase inverter U2:B to U2:E and bidirectional electronic switch U3:A to U3:D connect and compose to report to the police and carry out control circuit.Warning button S2, S3 are connected with P3.4, the P3.5 mouth of single-chip microcomputer, store digital button K and are connected with the P3.2 mouth of single-chip microcomputer.

L1, L2 connect domestic consumer's telephone wire, and L3, L4 connect subsets.Owing to the closure of normally closed contact JB1-1, do not influence the user and use telephone set under the normal condition.R1 is a big resistance resistance (10M Ω), injects weak current by it, is used for keeping the information that deposits in audio sending circuit 104.Diode bridge B1 plays the polarity protection effect, allows L1, L2 both end voltage polarity reversal, and is constant with the supply voltage polarity of guaranteeing two audio sending circuits 104.The positive voltage of B1 output is by resistance R 3, R5, and diode D1 provides positive voltage Ucc to two audio sending circuits 104.The output negative pole of B1 meets Uss.Diode D3, D4 and resistance R 15 are the power supply circuit that continue, when subscriber's telephone line breaks down (opening circuit as the short time), when the Vcc terminal voltage drops to 3.6V (5-0.7 * 2), the electric current of keeping of two audio sending circuits 104 will not lost to ensure canned data by exchanging and 5V battery (Fig. 3 circuit) joint supply.

Resistance R 0 is a fictitious load, the nominal voltage of subscriber's telephone line when hook state is 48-60V, during off-hook 8～15V, because this alarm is compared with ordinary telephone set and has been saved speaking circuit, de-noising and ringing circuit, thereby load is lighter, and the purpose that adds R0 is in order to make this device meet technical requirement to the load of telephone wire.

9 pin of two audio sending circuits 104 are for starting pin, as the normally opened contact JB1-2 of relay J 31 closure (first control end of sending out number starting circuit 103 is effective), and U2:F is output as " 1 " time second control end of number starting circuit 103 (send out effective), photoelectrical coupler O1 conducting, make 9 pin of two audio sending circuits 104 be low level, button input this moment effectively.

If there is button to press, 11 pin of two audio sending circuits 104 inject double-audio signal and suitable bias voltage are provided to the N1 of double audio amplification circuit, and the double-audio signal after amplifying is superimposed upon on the supply voltage and sends to telephone wire through diode bridge B1.

Numerical key in the keyboard circuit 107 has multiplexing function, i.e. expression is digital itself to reach the memory location, can determine its function according to different methods of operating.For example, relay J B1 coil gets, its normally opened contact IB1-2 closure, provide working current to two audio sending circuits, single-chip microcomputer P1.2 mouth output low level, U2:F exports high level, photoelectrical coupler O1 conducting, startup work, click the S key this moment, then, click the S key again, click " 1 " key at last by string number key (being no more than 16), at this moment " 1 " numerical key has just played the function of memory location, if send this string numeral, only need to press earlier the A key again by " 1 " key, this string numeral can send.

Button S2 or S3 push for emergency, import a low level for single-chip microcomputer P3.4 or P3.5 mouth, by programmed control, conducting or by bidirectional electronic switch U3:A to U3:D, can transmit the numerical information of giving certain connotation by automatic paging platform 127, reach and call for help the purpose of requiring assistance.When the P1.3-P1.6 of single-chip microcomputer output low level, phase inverter U2:B-U2:E output high level, bidirectional electronic switch U3:A-U3:D conducting.Present embodiment is provided with function from calling for help information to two beepers that send out, and utilize position keys " 1 " to deposit " 127+BP1 number " numeral in, position keys " 2 " deposits " 127+BP2 number " numeral in, be endowed the numerical information of calling for help connotation and then deposit position keys " 3 " in, thereby three bidirectional electronic switch U3:A, U3:B and U3:C have been used, their input, output terminal are connected with the corresponding keys of keyboard circuit 107 respectively, and bidirectional electronic switch U3:D then is used to control the A key.By same principle of work, increase the also extendible calling for help beeper of bidirectional electronic switch.

At the P3.2 of single-chip microcomputer end storage numerical key K is set, be promptly to carry out storage operation in order to force single-chip microcomputer to carry out one section endless loop program, this program is changed to low level with P1.7, the P1.2 of single-chip microcomputer, relay J B1 conducting, photoelectrical coupler O1 gets, the startup pin 9 of two audio sending circuits is a low level, and can carry out the storage digit manipulation this moment.

Referring to Fig. 3, be the 5V direct current regulation circuit, uniting with battery E is that warning device is powered.Light emitting diode D indicates working power, and S1 is a power switch.

Referring to Fig. 4, and in conjunction with participating in Fig. 2, the software architecture diagram of single-chip microcomputer when the P3.2=0 of single-chip microcomputer, is carried out storage operation.When being " 0 ", the P3.2=1 of single-chip microcomputer and P3.4 or the arbitrary end of P3.5 carry out the warning transmit operation.This operation at first makes P1.7=0, P1.2=0, i.e. and relay J B1 conducting adhesive, photoelectrical coupler O1 conducting, program is pressed the A key, and alarm sends automatically and transmits 127+BP1 number, and the information that the automatic paging platform sends is waited in time-delay.The back program of delaying time is pressed the A key again and is then sent the numerical information (local information) of giving connotation, and program makes P1.7=1 then, P1.2=1, relay J B1 ends, photoelectrical coupler O1 ends, and delay time and transmit 127+BP2 number by sending as preceding identical process after 1 second again, and record once sends number of times.Program picks up counting after distributing one time, sends second time during by 30 seconds again, sends second time interval and sends in 30 seconds the 3rd time again, and promptly each beeper (BP1, BP2) is called out three times.

Alarm of the present utility model; mainly form by single chip circuit, the double-tone number of taking place frequently integrated circuit, keyboard circuit, conversation/warning conversion and polar protective circuit, a number starting circuit, conversation/warning conversion control circuit and the execution control circuit of reporting to the police with memory function; by importing a level of drive; just can automatically send the numerical information of giving certain calling for help connotation quickly and accurately by the beeper of 127 paging centers to a plurality of targets ground; and repeatedly repeat, under normal circumstances then do not influence user's communication.

Because the startup pin of two audio sending circuits adopts photoelectrical coupler control, can avoid the problem that can not reliably start, close that causes because of the voltage range of telephone line is excessive; Adopt 127 pagings to send information, saved speaking circuit, ringing circuit and de-noising circuit etc.; The negative resistance of disconnecting of the vacation of setting up can adapt to the requirement of telephone wire level when off-hook.

This alarm is applicable to antitheft, anti-cheat, the rob-proof in bank, savings bank, jeweler's shop, important warehouse, has reliability The characteristics that highly concealed type is good had both ensured property safety, had also greatly reduced warning personnel's injures and deaths. If increase relevant letter Number treatment circuit, this alarm also can be used for the automatic paging of fire, elevator faults and report to the police.

Claims (6)

1, a kind of computer control calling alarm device is connected with subscriber's telephone line, comprises one-chip computer, keyboard circuit and two audio sending circuit, it is characterized in that:

Also include conversation/warning conversion and polarity protection phone, power circuit, a number starting circuit, double audio amplification circuit, conversation/warning conversion and control phone, report to the police and carry out control circuit and more than one warning button;

Conversation/warning conversion and polar protective circuit connect subscriber's telephone line and substation respectively; the output of conversation/warning conversion and polar protective circuit connects the input end of power circuit and the output terminal of double audio amplification circuit; the power end of first control end of the output terminal sending and receiving starting circuit of power circuit and two audio sending circuits; send out an output terminal of the described one-chip computer of the second control termination of number starting circuit; send out the output termination double-tone number of the taking place frequently circuit start control end of number starting circuit; the double-tone of two audio sending circuits is exported termination double audio amplification circuit input end frequently; described warning button is connected with the input end of one-chip computer; input end order sheet computing machine one output terminal of conversation/warning conversion control circuit; the output terminal of conversation/warning conversion control circuit is connected the control end of words/warning conversion and polar protective circuit; the input end of carrying out control circuit of reporting to the police is connected with the one-chip computer output terminal, and the output terminal of carrying out control circuit of reporting to the police is connected with described keyboard circuit and two audio sending circuit.

2, computer control calling alarm device according to claim 1, it is characterized in that: described number starting circuit is a photoelectricity coupled circuit, luminotron side one end ground connection, the other end is second control end of described number starting circuit, be connected with described one-chip computer, light receiving tube side one end is first control end of described number starting circuit, is connected the start-up control end of another termination double-tone number of taking place frequently circuit of light receiving tube side with described power circuit.

3, computer control calling alarm device according to claim 1, it is characterized in that: described conversation/warning conversion control circuit is the relay circuit that is driven by triode; Described conversation/warning conversion and polar protective circuit are connected and composed by relay normally open, normally closed contact, resistance R 1 and diode bridge; Relay normally open contact and resistance R 1 also connect, resistance R 1 one ends are connected with a telephone loop and relay normally closed contact one end, resistance R 1 other end connects diode bridge one input end, another input end of diode bridge is connected with another telephone loop and telephone set, the relay normally closed contact other end connects telephone set, and diode bridge output connects described power circuit.

4, computer control calling alarm device according to claim 1, it is characterized in that: described warning is carried out control circuit and is made of more than one bidirectional electronic switch, the control end of each bidirectional electronic switch connects the output terminal of described one-chip computer respectively, and the switch ends of each bidirectional electronic switch connects the keyswitch of keyboard circuit and the input end of described pair of audio sending circuit respectively.

5, computer control calling alarm device according to claim 1 is characterized in that: also include a dummy resistance R0, resistance R 0 one ends are connected resistance R 0 other end ground connection with the output terminal of conversation/warning conversion and polar protective circuit.

6, computer control calling alarm device according to claim 1 is characterized in that: also include a storage digit manipulation key, be connected with an input end of described one-chip computer.

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