CN2402070Y - One-key calling program controlled telephone dialling device - Google Patents

Abstract

The utility model provides a one-key calling program controlled telephone dialing device, which is matched with a double audio frequency telephone to be used. The utility model is characterized in that keys are arranged on a shell body; a telephone line socket and a telephone socket are arranged at the back of the shell body; an intelligent control circuit composed of a telephone interface circuit, a double audio multi-frequency circuit, a calling progress reply-audio signal processing circuit, a power supply circuit and a main control circuit. The utility model has the advantages that the structure is novel and unique; the installation and operation are convenient; power-fail can not occur on a number pre-storing memory; the numbers can be preserved permanently; single-key storing and dialing makes the dialing of the numbers in common use quick and accurate; telephone types and call progress are automatically judged; the time of human intervention is reduced; the service efficiency of the telephone line and the call completing rate are enhanced.

Description

PTT program controlled telephone intelligent dial

The utility model relates to a kind of and the matching used PTT program controlled telephone of dual tone phone machine intelligent dial.

People are using the relatively-stationary program control telecommunication service of number at present, during as dialing restriction, calling transfer and the frequent business relations phone that uses, it generally is each each key dialing of pursuing of using, or utilize number store function on the telephone set (the regular phone machine does not have this function), by 2-3 key number is transferred to and gone.Both of these case, the former needs the directory enquiry dialing, and the possibility of dialling a wrong number is arranged, and efficient is low; The latter uses inconvenience, in case and the telephone wire power down of breaking down, its number that prestores will be lost, and when running into subscriber engaged or temporarily nobody connects, need dial again by the machine of manually keeping.

Along with development of telecom technology, occurred providing convenience for people dial toll telephone everywhere such as register toll telephone new business such as 200,300.The particularly fast development of Internet technology, the networking telephone, i.e. the appearance of IP phone makes people can utilize plain old telephone with relatively low rate, dials the world, National calls with the record keeping online.Dialing of above-mentioned phone is: put through business continuing platform number earlier, according to prompt tone appropriation family account number, password and called phone area code and telephone number respectively again, this placement process is pressed key total all more than 20 then.In actual the use, when running into line be busy, the business continuing platform is all dialled to be entered, this fashion can use on the phone redial key manually the machine of keeping redial.In case called phone is met when busy, then can not use redial key this moment, has only and manually dial the called phone number again, dials to cry several times and still meet when hurrying, and need restart to dial junction board number, account number, password again, and can not use redial key.Above-mentioned register business telephone, owing to all user account number and password arranged, so the dialing figure place is longer, number memory and dial all not too conveniently particularly meeting when busy, can not simply use redial key to dial again.

The purpose of this utility model provides a kind of PTT program controlled telephone intelligent dial, and it can solve number storage, one touch dialing easily, judge the problems such as intelligent redialing of call proceeding automatically.

The purpose of this utility model is achieved in that by housing and its internal circuit and constitutes, button is arranged at housing top, there is telephone line socket at the rear portion, telephone socket, its inner dress is replied the intelligence control circuit that tone signal treatment circuit, power circuit and governor circuit constitute by telephone interface circuit, dual-tone multifrequency receiving circuit, call proceeding, during use outside the telephone line socket at rear portion connects telephone wire, telephone socket connects the dual tone phone machine.

The utility model novel structure, uniqueness, easy to install, in dialer under the control of single chip microcontroller, utilize the button on the telephone set number to be pre-stored in the EEROM memory of anti-power down, a button on the corresponding dialer of each storage number, pressing a corresponding key just can go out this number call, in the dialing procedure, automatically judge call proceeding according to telephone line answer sound (busy tone, ring-back tone) and voice suggestion sound, connect until called phone, send cue then, remind the telephoner to begin conversation; The number that this intelligent dial also can be dialed telephone set at any time reads in, and discerns phone type automatically, in this way 200 business telephones, or IP phone, if busy call can use redial key on the dialer to dial this number again and can judge call proceeding automatically equally, until closing of the circuit this moment; Because its Based Intelligent Control characteristic has remedied conventional telephone set and adapted to the inconvenience that the modern telephone communication is shown, the number memory that prestores is not afraid of power down, and number can forever be preserved; Singly-bound storage dialing makes number dialing commonly used not only soon but also accurate; Automatically judge that phone type and call proceeding have reduced the human intervention time, improved call completing rate and phone circuit service efficiency.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural outer stereogram of the present utility model.

Fig. 2 is a structural outer rearview of the present utility model.

Fig. 3 is telephone interface circuit of the present utility model, dual-tone multifrequency number receiving circuit, call proceeding answer tone signal treatment circuit and system power supply circuit diagram.

Fig. 4 is the utility model governor circuit, keyboard circuit, number storage and dial-up circuit figure.

By shown in Figure 1, its structure of the utility model is to be made of housing and its internal circuit, button 2 is arranged at housing 1 top, there are telephone line socket 3 and telephone socket 4 in the rear portion, and its inside is equipped with by telephone interface circuit, dual-tone multifrequency receiving circuit, call proceeding and is replied the intelligence control circuit that tone signal treatment circuit, power circuit and governor circuit constitute.Its physical circuit is provided by Fig. 3, Fig. 4.

Provide by Fig. 3, telephone interface circuit is by telephone line socket LIN, telephone socket TEL, rectifier diode D1～D4, triode T1, T2, optocoupler U1, U2, zener diode DW1 and resistance R 1, R2, R3, R4, capacitor C 6, C7 constitutes, telephone line socket LIN is through contact LA, LB meets rectifier diode D1～D4 and optocoupler U1 respectively, U2 and telephone socket TEL, diode D1-D4 forms directional circuit through the negative pole connecting resistance R1 of diode D1 and the emitter of triode T1, resistance R 1 another termination optocoupler U1, U2, the base stage of triode T1 is joined through the collector electrode of resistance R 4 with triode T2, triode T2 base stage is with resistance R 2, R3 joins, optocoupler U1, U2 joins termination capacitor C6 altogether, C7 and voltage stabilizing didoe DW1;

The dual-tone multifrequency receiving circuit is by integrated circuit U3 and peripheral resistance R 9-R17, capacitor C 8-C12, the crystal oscillator JT1 that joins and constitutes with the triode T3 that base stage links to each other through resistance R 16;

The base stage that the tone signal treatment circuit is resistance R 18, capacitor C 13 series connection back connecting resistance R19, R20 and triode T4 is replied in call proceeding, triode T4, resistance R 19-R22, capacitor C 16 are formed pre-amplifying circuit, connect two-stage filtering amplification, the shaping circuit that is made of integrated circuit U4 and peripheral resistance R 23-R29, capacitor C 15, C17 through capacitor C 14,1 pin of integrated circuit U4 connects 8 pin of integrated circuit U8 through resistance R 27;

Governor circuit is to be made of integrated circuit U8 and peripheral resistance R 30-R34, capacitor C 18-C23, crystal oscillator JT2, and connect the keyboard circuit that constitutes by integrated circuit U5, U6 and button 1-16, number memory U10 respectively, the common circuit of the dial-up circuit that constitutes by integrated circuit U9 and resistance R 37-R39, capacitor C 23-C26 crystal oscillator JT3, triode T6 and the number storage that constitutes by integrated circuit U7 and resistance R 32-R36, triode T5 and dial-up circuit.

Button 2 is the key 1-16 among Fig. 4 among Fig. 1, and the telephone line socket 3 among Fig. 2 is the element LIN among Fig. 3, and telephone socket 4 is elements T EL.

In concrete enforcement, by Fig. 3, Fig. 4 provides, its circuit is that 3 pin of telephone line socket LIN meet diode D1 through contact LA, 1 pin of D2 and telephone socket TEL, 4 pin of LIN meet diode D3 through contact LB, D4, optocoupler U1, U2,2 pin of telephone socket TEL meet optocoupler U1, U2, optocoupler U1, U2 adopts PC817 type integrated package, back connecting resistance R1 in parallel, capacitor C 6, C7, C12,18 pin (VCC) of resistance R 17 and integrated circuit U3, the collector electrode of voltage stabilizing utmost point pipe DW1 and triode T3, U3 adopts the MT8870 type, diode D1, after D3 joins with resistance R 1, connect the emitter of triode T1, the base stage of triode T1 connects the collector electrode of triode T2 through resistance R 4, the collector electrode connecting resistance R18 of T1, the collector electrode of R5 and triode T6 (through the LINE line), be connected to resistance R 3 on the base stage of triode T2, R2, resistance R 2 connects HK (promptly 15) pin of integrated circuit U8, (U8 adopts the AT89C2051 type), resistance R 3 is joined with the emitter of T2, the other end is again with voltage stabilizing didoe DW2, light-emitting diode OP, capacitor C 1, C2, C3, C4, ground connection after C5 and battery BAT join, resistance R 6 two ends are sending and receiving optical diode OP and diode D6 respectively, meet K switch G through resistance R 8, capacitor C 4, C5, diode D5 two ends are connecting resistance R5 respectively, voltage-stabiliser tube DW2 and resistance R 7, capacitor C 2, C3, integrated circuit U4 adopts the LM358 type, its 1 pin meets the HJJC (i.e. 8 pin) of integrated circuit U8 through resistance R 27,2 pin connecting resistance R28, capacitor C 17,3 pin connecting resistance R26, R28, R29, resistance R 26 is through diode D7 connecting resistance R24,7 pin of capacitor C 15 and U4,4 pin connect common, 5 pin connect common through resistance R 25,6 pin connecting resistance R24, R23 and capacitor C 15, be connected to resistance R 19 on the base stage of triode T4, R20, be connected to resistance R 21 on the collector electrode, join with resistance R 23 through capacitor C 14, the resistance R22 of emitter through joining, capacitor C 16 connects common, the grounded emitter of triode T3, on the base stage through resistance R 16 connecting resistance R15,15 pin of integrated circuit U3, be connected to resistance R 9 on 1 pin of U3, R11, R9 meets LIN through capacitor C 8, the LA point of TEL, resistance R 10 meets LIN through capacitor C 9, the LB point of TEL, 2 pin connecting resistance R10, R12, R13, the 3 pin connecting resistance R13 other ends, 4 pin connecting resistance R11, the R12 other end, 7 pin meet crystal oscillator JT1, and 8 pin connect the capacitor C 11 and the crystal oscillator other end, and capacitor C 10 two ends connect capacitor C 11 and crystal oscillator JT1 and 7 pin respectively, 9 pin connect common ground, the 1 pin connecting resistance R31 of integrated circuit U8, capacitor C 18,6 pin of U5:B, 14 pin of U5:A, 6 pin of U6:B, 14 pin of U6:A, 2 pin of U8 connect 15 pin of U6:A, 3 pin of U8 connect 9 pin of U5:B, 1 pin of U5:A, 9 pin of U6:B, 1 pin of U6:A, 6 pin connecting resistance R30 and the button 1-16 of U8,7 pin connect the collector electrode of T3,4 pin, be connected with crystal oscillator JT2 and capacitor C 21 on 5 pin, C22, C21, C22 other end ground connection, the same respectively U5:A of button 1-16, U5:B, U6:A, the last respective foot of U6:B is joined, and the 20 pin VCC of U8 are supply pin, power end with each element join (seeing shown in Figure 4), the 13 pin connecting resistance R32 of U8 and 1 pin of integrated circuit U7:A, 4 pin of integrated circuit U7:C link to each other, and 12 pin of U8 are with resistance R 33,10 pin of integrated circuit U7:B, 8 pin of integrated circuit U7:D join, and 11 pin of U8 are through buzzer HMQ connecting resistance R34,13 pin of U7:A, 12 pin of U7:B connect the base stage of triode T5 through resistance R 35,5 pin of U7:C, 6 pin of U7:D join with collector electrode and the resistance R 36 of triode T5, and the base stage of triode T6 connects capacitor C 25 and through resistance R 37, R38 connects 8 pin of integrated circuit U9 (adopting the HT9200 type), 7 pin are connected to crystal oscillator JT3 on 2 pin of U9, capacitor C 23,3 pin connect crystal oscillator JT3 and capacitor C 24,4 pin are with capacitor C 23, ground connection after the C24 other end joins, 1 of integrated circuit U10 (adopting the 24C04 type), 2,3,4,7, pin is earth connection altogether, and the emitter of triode T6 is through resistance R 39, capacitor C 26 ground connection.Integrated circuit U5 is made of U5:A, U5:B, can adopt CD4015, and integrated circuit U6 is made of U6:A, U6:B, can adopt CD4015, and integrated circuit U7 is made of U7:A, U7:B, U7:C, U7:D, can adopt the CD4066 integrated package.

Operating position of the present utility model is that diode D1-D4 is a directional circuit.Optocoupler U1 and U2 are phone off-hook detection circuit, in case the transistor among telephone set off-hook U1, the U2 always has the one conducting, obtain voltage by R1 from telephone wire and behind DW1, C6, C7 voltage regulation filtering, supply with the dual-tone multifrequency number receiving circuit work of forming by U3 and peripheral circuit, after the code conversion of telephone set DTMF pulsing is 4 decimal codes, send interrupt requests (RI end) to governor circuit (U8), data are read in.

In dialing procedure, the local telephone network stored-program control exchange sends process prompt tone signal according to call proceeding to caller phone side, frequency is 450HZ, wherein busy tone is 0.35 second logical (450HZ is arranged), 0.35 second disconnected (no 450HZ), ring-back tone is after 1 second logical, 4 seconds disconnected, these signal is sent into the pre-amplifying circuit amplification of being made up of T4 through R18, C13 coupling, deliver to the two-stage amplification filtering shaping circuit of forming by U4 again, output pulse signal is counted and judgment processing through 8 pin that R27 delivers to master control U8, and then the controlling call process.

T1, T2, R2-R4 form dialer automatic picking off and hanging organic electronic switch.When the off-hook control signal from the U815 pin is high level, T1, T2 conducting.During the T1 conducting, supply power voltage from telephone wire, after adding to the filter circuit of pressure-stabilizing voltage stabilizing of being made up of DW2, C1 by R5, wherein one the tunnel replaces battery BAT that governor circuit is powered through D6, R8, and another road is replied the power supply of tone signal treatment circuit through D5, R7 to dial-up circuit and call proceeding.Power to LED through R6 simultaneously, with indication dialer off-hook dialing operating state.

Among Fig. 4, U8 and peripheral cell are formed governor circuit, and wherein U8 is a single chip microcontroller, is the core devices of this dialer, and it has the 2K memory under program, 128 data memories, 15 lines programmable I/O mouth, 1 serial communication interface, 5 interrupt sources.Wherein 1 pin is the RESET input, 2,3 pin are serial communication interface, interrupt O outward with 6 pin and cooperate monitoring to read the key assignments that keyboard circuit is pressed, when having key to press in the keyboard circuit of being made up of SI PO shift register U5, U6,6 pin are by high step-down, enter the Interrupt Process subprogram, serial ports 2 pin send serial pulse series under 3 pin clock synchronizations at this moment, deliver to the 15 pin data input pins of shift register U6:A, with the scanning button, and then read key assignments, and carry out this key operation function; 4,5 pin are the crystal resonator link; 7 pin dual-tone multifrequency number receiving circuits interrupt rescuing input; 8 pin are call progress tones signal pulse counting input end; 9 pin be access number memory U10 and Sending dialled number sign indicating number to dial-up circuit U9 selecting side, when 9 pin when low, analog switch U7:C, U7:D connect, U8 carries out the number access by 12,13 pin, otherwise, when 9 pin when being high, U7:A, U7:B connect, and U8 carries out dial-up operation by 12,13 pin; 11 pin are the buzzer drive end, in order to the prompting call proceeding; 14 pin are phone dislodging machine testing end; 15 pin are dialer dislodging organic electronic switch control end; The 16-19 pin is a telephone set dual-tone multifrequency dial-up data input pin.

T6 and peripheral cell are formed the dialer drive circuit, and signal is delivered to T1 and outputed to telephone line through collector electrode after T6 amplifies.

The utility model exemplary embodiments is by Fig. 3, and Fig. 4 circuit connects keyboard circuit and button be installed in and is fixed on the wiring board above the desk-top cabinet, and the remaining circuit components and parts are installed on the wiring board and are fixed in the casing.Easily produce, easily apply, have good society and economy benefit.

Claims (1)

1, PTT program controlled telephone intelligent dial, be to constitute by housing and its internal circuit, it is characterized in that button (2) is arranged at housing (1) top, there are telephone line socket (3) and telephone socket (4) in the rear portion, be equipped with by telephone interface circuit its inside, the dual-tone multifrequency receiving circuit, the tone signal treatment circuit is replied in call proceeding, the intelligence control circuit that power circuit and governor circuit constitute, telephone interface circuit is by telephone line socket LIN, telephone socket TEL, diode D1-D4, triode T1, T2, optocoupler U1, U2, voltage stabilizing didoe DW1, and resistance R 1, R2, R3, R4, capacitor C 6, C7 constitutes, telephone line socket LIN is through contact LA, LB meets rectifier diode D1-D4 and optocoupler U1 respectively, U2 and telephone socket TEL, diode D1-D4 forms directional circuit, through the negative pole connecting resistance R1 of diode D1 and the emitter of triode T1, resistance R 1 another termination optocoupler U1, U2, the base stage of triode T1 is joined through the collector electrode of resistance R 4 with triode T2, triode T2 base stage is with resistance R 2, R3 joins, optocoupler U1, U2 joins termination capacitor C6 altogether, C7 and voltage stabilizing didoe DW1; The dual-tone multifrequency receiving circuit is by integrated circuit U3 and peripheral resistance R 9-R17, capacitor C 8-C12, the crystal oscillator JT1 that joins and constitutes with the triode T3 that base stage links to each other through resistance R 16; The base stage that the tone signal treatment circuit is resistance R 18, capacitor C 13 series connection back connecting resistance R19, R20 and triode T4 is replied in call proceeding, triode T4, resistance R 19-R22, capacitor C 16 are formed pre-amplifying circuit, connecing the two-stage filtering that is made of integrated circuit U4 and peripheral resistance R 23-R29, capacitor C 15, C17 through capacitor C 14 amplifies, shaping circuit, 1 pin of integrated circuit U4 connect 8 pin of integrated circuit U8 through resistance R 27; Governor circuit is by integrated circuit U8 and peripheral resistance R 30-R34, capacitor C 18-C23, crystal oscillator JT2 constitutes, and connect respectively by integrated circuit U5, the keyboard circuit that U6 and button 1-16 constitute, number memory U10, by integrated circuit U9 and resistance R 37-R39, capacitor C 23-C26, crystal oscillator JT3, the dial-up circuit that triode T6 constitutes and by integrated circuit U7 and resistance R 32-R36, the number storage that triode T5 constitutes and the common circuit of dial-up circuit, 3 pin of telephone line socket LIN meet diode D1 through contact LA, 1 pin of D2 and telephone socket TEL, 4 pin of LIN meet diode D3 through contact LB, D4, optocoupler U1, U2,2 pin of telephone socket TEL meet optocoupler U1, U2, optocoupler U1, U2 adopts PC817 type integrated package, back connecting resistance R1 in parallel, capacitor C 6, C7, C12, the 18 pin VCC of resistance R 17 and integrated circuit U3, the collector electrode of voltage stabilizing utmost point pipe DW1 and triode T3, U3 adopts the MT8870 type, diode D1, after D3 joins with resistance R 1, connect the emitter of triode T1, the base stage of triode T1 connects the collector electrode of triode T2 through resistance R 4, the collector electrode connecting resistance R18 of T1, the collector electrode of R5 and triode T6, through the LINE line, be connected to resistance R 3 on the base stage of triode T2, R2, resistance R 2 connects the HK15 pin of integrated circuit U8, resistance R 3 is joined with the emitter of T2, the other end is again with voltage stabilizing didoe DW2, light-emitting diode OP, capacitor C 1, C2, C3, C4, ground connection after C5 and battery BAT join, resistance R 6 two ends are sending and receiving optical diode OP and diode D6 respectively, meet K switch G through resistance R 8, capacitor C 4, C5, diode D5 two ends are connecting resistance R5 respectively, voltage-stabiliser tube DW2 and resistance R 7, capacitor C 2, C3,1 pin of integrated circuit U4 is 8 pin through the HJJC that resistance R 27 meets integrated circuit U8,2 pin connecting resistance R28, capacitor C 17,3 pin connecting resistance R26, R28, R29, resistance R 26 is through diode D7 connecting resistance R24,7 pin of capacitor C 15 and U4,4 pin connect common, 5 pin connect common through resistance R 25,6 pin connecting resistance R24, R23 and capacitor C 15, be connected to resistance R 19 on the base stage of triode T4, R20, be connected to resistance R 21 on the collector electrode, join with resistance R 23 through capacitor C 14, the resistance R22 of emitter through joining, capacitor C 16 connects common, the grounded emitter of triode T3, on the base stage through resistance R 16 connecting resistance R15,15 pin of integrated circuit U3, be connected to resistance R 9 on 1 pin of U3, R11, R9 meets LIN through capacitor C 8, the LA point of TEL, resistance R 10 meets LIN through capacitor C 9, the LB point of TEL, 2 pin connecting resistance R10, R12, R13, the 3 pin connecting resistance R13 other ends, 4 pin connecting resistance R11, the R12 other end, 7 pin meet crystal oscillator JT1,8 pin connect the capacitor C 11 and the crystal oscillator other end, capacitor C 10 two ends connect capacitor C 11 and crystal oscillator JT1 and 7 pin respectively, and 9 pin connect common ground, the 1 pin connecting resistance R31 of integrated circuit U8, capacitor C 18,6 pin of U5:B, 14 pin of U5:A, 6 pin of U6:B, 14 pin of U6:A, 2 pin of U8 connect 15 pin of U6:A, and 3 pin of U8 connect 9 pin of U5:B, 1 pin of U5:A, 9 pin of U6:B, 1 pin of U6:A, 6 pin connecting resistance R30 and the button 1-16 of U8,7 pin connect the collector electrode of T3,4 pin, be connected with crystal oscillator JT2 and capacitor C 21 on 5 pin, C22, C21, C22 other end ground connection, the same respectively U5:A of button 1-16, U5:B, U6:A, the last respective foot of U6:B is joined, the 20 pin VCC of U8 are supply pin, join the 13 pin connecting resistance R32 of U8 and 1 pin of integrated circuit U7:A with the power end of each element, 4 pin of integrated circuit U7:C link to each other, 12 pin of U8 are with resistance R 33,10 pin of integrated circuit U7:B, 8 pin of integrated circuit U7:D join, 11 pin of U8 are through buzzer HMQ connecting resistance R34,13 pin of U7:A, 12 pin of U7:B connect the base stage of triode T5,5 pin of U7:C through resistance R 35,6 pin of U7:D join with collector electrode and the resistance R 36 of triode T5, the base stage of triode T6 connects capacitor C 25 and through resistance R 37, R38 connects 8 pin of integrated circuit U9,7 pin, be connected to crystal oscillator JT3 on 2 pin of U9, capacitor C 23,3 pin connect crystal oscillator JT3 and capacitor C 24,4 pin with capacitor C 23, ground connection after the C24 other end joins, 1 of integrated circuit U10,2,3,4,7, pin is earth connection altogether, and the emitter of triode T6 is through resistance R 39, capacitor C 26 ground connection.

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