CN2246873Y

CN2246873Y - Multi-functional automatic controller of telephone set

Info

Publication number: CN2246873Y
Application number: CN 95217635
Authority: CN
Inventors: 陈彦平
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-13
Filing date: 1995-07-13
Publication date: 1997-02-05
Anticipated expiration: 2005-07-13

Abstract

The utility model relates to a multifunctional automatic controller of a telephone set. The utility model is mainly characterized in that the utility model is provided with an electronic door, a checking circuit of a telephone set picking and hanging, a checking circuit of voice and echo, an echo counting circuit, a timing circuit of telephone set hanging and picking, an automatic redialing circuit, a redialing counting circuit, a checking circuit of wrong picking and incomplete hanging for a telephone set, a zero locking circuit, a voltage switch, etc. Thus, the utility model has the function of automatic redialing for dialing numbers, automatic turnoff for a telephone set at the time of the wrong picking and the incomplete hanging, guarantee for ringing when an external line calls in after the telephone set is automatically turned off and, theft prevention for a long distance call, etc. Meanwhile, the circuit structure is simple, the cost is low, and thus the utility model has great adaptability and market potential.

Description

The multi-functional automatic control equipment of a kind of telephone set

The utility model relates to the multi-functional automatic control equipment of a kind of telephone set.

The multi-functional automatic control equipment of telephone set in the past, it is dialing controlled function employing single-chip microcomputer or discrete component automatically, power consumption is big, the cost height, its zero locking circuit complex structure, but can not lock redial key and switch hook, so automatic dial-up circuit cost height, zero locking circuit can not effectively limit the free call on sb. else's expense through illegal means toll telephone.

The purpose of this utility model provides a kind of energy hand-free and dials automatically, and effectively lock zero, shuts down automatically, can guarantee the multi-functional automatic control equipment of the simple telephone set of circuit of ring when outside line is squeezed into after the shutdown.

The multi-functional automatic control equipment of telephone set telephone set of the present utility model, it comprises polarity switching (1) and control power supply (2), it is characterized in that being connected in series electronic gate (4) between the dialing of polarity switching (1) and telephone set and the speech circuit (3), two inputs of control power supply (2) are connected respectively to the input and output side of electronic gate (4), the voltage stabilizing end of control power supply (2) is connected with the input of dislodging machine state detection circuit (5), the output of electronic gate (4) is connected with the input of speech and the testing circuit that echoes (6), the off hook state output of dislodging machine state detection circuit (5) and hook state output are connected respectively to speech and the reset terminal of the input offset side of the signal amplification circuit of the testing circuit that echoes (6) and counting circuit (7) of echoing, the detection output that echoes of speech and the testing circuit that echoes (6) is connected with the input of the counting circuit that echoes (7), the output of counting circuit (7) that echoes is connected with the input of hanging on/up circuit (8) regularly, regularly the output of hanging on/up circuit (8) is connected with the input that redials circuit (9) automatically with the hanging on/up control end of electronic gate (4) simultaneously, automatically the output that redials circuit (9) is connected by the redial key of photoelectrical coupler with dialing and speech circuit (3), echo counting circuit (7) output with allow end to be connected with reset terminal with the clock end that redials counting circuit (10) respectively, the output that redials counting circuit (10) is connected with the self-locking on-hook trigger end of electronic gate (4), the audio output of speech and the testing circuit that echoes (6) connects the input that the dialing mirror is listened circuit (11), and the output of control power supply (2) is connected to the power input of each control circuit.When the hand-free of closed electronic gate (4) redials control switch, electronic gate (4) conducting, realize the off-hook process, start dialing control circuit work automatically, the off hook state output upset of dislodging machine state detection circuit (5) is high level, provide speech and the bias current of the signal amplification circuit of the testing circuit that echoes (6), make signal amplification circuit in running order, closed hand-free redials control switch and also makes the counting circuit that echoes (7) and redial counting circuit (10) and be in count status.The audio signal of speech and the testing circuit that echoes (6) output listens circuit (11) further to amplify shaping through the dialing mirror, listen by piezoelectric loudspeaker output mirror, another road is through the spatially selecting filtering circuit filtering of inside, the corresponding pulse signal of the sound that echoes of output 450NH, send the input that rings counting circuit (7) back to, after the counting circuit (7) that echoes is confirmed n continuous busy-back signal of input, start regularly hanging on/up circuit (8) work, and make electronic gate (4) automatic hand-up, after automatic hand-up regularly finishes, realize automatic off-hook again, after redialing circuit (9) time-delay automatically, make the redial key conducting of dial-up circuit again by photoelectrical coupler, automatically transfer to telephone number corresponding, finish and once detect the control procedure of judging and redialing automatically.Automatically redial number of times by redialing counting circuit (10) accumulative total, if redial automatically that number of times completely sets redial the control number of times automatically and do not hang circuit passband yet the time, the self-locking on-hook trigger end by control electronic gate (4) is hung up phone automatically, quits work.Automatically shutdown back disconnection hand-free redials control switch, and circuit promptly automatically resets, and recovers normal function.If put through phone, ring-back tone makes the counting (6) that the echoes zero clearing that resets, and redials circuit and does not export.When mentioning the microphone conversation, piezoelectric loudspeaker stops sounding.

The utility model is characterized in that triode Q1 as switching tube, is used to control the operating state of the dialing of telephone set and speech circuit (3) etc., realizes dislodging machine process.Resistance R 2 is also received the e utmost point and the b utmost point of triode Q1, resistance R 3 is connected between the c utmost point of the b utmost point of triode Q1 and triode Q2, resistance R 1 connects the e utmost point of triode Q1, the other end of resistance R 1 and sending and receiving optical diode L01 and L02, light-emitting diode L01 and L02 are connected in series switch hook K1-1 and hand-free more respectively and redial control switch K2-1, the other end of K switch 1-1 and K2-1 is also received the b utmost point of triode Q2, the b utmost point of triode Q2 connects the K utmost point of controllable silicon CR1 and the c utmost point of triode Q3 more simultaneously, the A utmost point of controllable silicon CR1, the e of triode Q2 and Q3 is ground connection extremely all, when Closing Switch K1-1 or K2-1, triode Q1 conducting automatic off-hook, triode Q1 is forced to disconnect when triode Q3 or controllable silicon CR1 conducting, realize automatic hanging on/up control or locking on-hook, controllable silicon CR1 is triggered when electronic gate is shut down automatically, when disconnecting corresponding closed K switch 1-1 or K2-1, controllable silicon CR1 resets, and electronic gate (4) recovers normal function.Control power supply (2) is made up of resistance R 4, R5, capacitor C 1, diode D5 and voltage stabilizing didoe 201, resistance R 4 and R5 are connected respectively to the e utmost point and the c utmost point of triode Q1, keep electric current and operating current to provide, the equal ground connection of the negative pole of voltage stabilizing didoe 201 and capacitor C 1, the output of control power supply connects the power end of resistance R 8, R17, counter IC7, IC12, inverter and Schmidt trigger.Inverter ic 1 and IC2 directly are concatenated into the interface point of resistance R 5 and diode D5, be used to detect dislodging machine operating state, the output of inverter ic 1 connects the reset terminal of diode D12 to ring counter IC7 for the hook state output, make the counter IC7 automatic clear that when on-hook, resets, the output of inverter ic 2 is the off hook state output, output high level during off-hook, connect the b utmost point input bias current of resistance R 6 to triode Q4, make signal amplification circuit in running order, signal amplification circuit is by resistance R 6, R7, R8, capacitor C 2, triode Q4 and inverter ic 3 constitute, capacitor C 2 is connected to the C utmost point coupling input audio signal of triode Q1, the e utmost point ground connection of three-phase pipe Q4, the output of inverter ic 3 connects the input of inverter ic 13 respectively as audio output, switch hook K1-2, resistance R 9 and diode D6, the two ends of piezoelectric loudspeaker FT1 are connected respectively to the output of inverter ic 13 and the other end of K switch 1-2, dialing procedure is listened through mirror from piezoelectric loudspeaker output, when mentioning microphone, K switch 1-2 disconnects, and piezoelectric loudspeaker is sounding not.By resistance R 9, capacitor C 3, diode D6, inverter ic 4 constitutes low-pass filter circuit, the audio signal that is used for elimination 450+30HZ, output signal is coupled to by resistance R 10 by the output of capacitor C 4 from inverter ic 4, capacitor C 4, C5, diode D7, D8, inverter ic 5, the high-pass filtering circuit that IC6 constitutes, the audio frequency gating signal that is used for elimination 450-30HZ, export by inverter ic 6 shapings, output as the testing circuit that echoes, while connecting circuit R11 and R12, diode D9 and D10, the other end of resistance R 11 and diode D9 is also received capacitor C 6 and the clock end of ring counter IC7, the other end ground connection of capacitor C 6, be used for the elimination and the interference signal of sound that echo with frequency, guarantee ring-back tone and dialing tone that counter is confirmed to import busy-back signal and is equivalent to busy tone length, the other end of resistance R 12 and diode D10 also connects capacitor C 7 and diode D11, the other end ground connection of capacitor C 7, the reset terminal of the other end of diode D11 and D12 and connecting resistance R13 and ring counter IC7, the other end ground connection of resistance R 13, resistance R 12 and capacitor C 7 constitute the dialing tone that integrating circuit is used to detect ring-back tone and is equivalent to ring-back tone length, make the counter zero clearing that when ring-back tone occurring, resets, the permission end of ring counter IC7 connects the reset terminal of ring counter IC12, makes the work of counter IC7 be subjected to hand-free to redial control switch K2-2 and controls.The output of ring counter IC7 connects the clock end of diode D13 and ring counter IC12, by resistance R 14, R15, capacitor C 8, diode D13, Schmidt trigger IC8, IC9 constitutes regularly hanging on/up circuit, the equal ground connection of the negative pole of resistance R 14 and capacitor C 8, single stabilization delay circuit adopts Schmidt trigger can play anti-shake effect, guarantee that time-delay output does not produce interference signal, the output of Schmidt trigger IC9 connects resistance R 15 and R16 simultaneously, diode D14, the other end of resistance R 15 connects the b utmost point of triode Q3, make electronic gate realize automatic hand-up and off-hook by triode Q3, the other end of resistance R 16 and diode D14 is also received the positive pole of capacitor C 9 and the input of Schmidt trigger IC10, the minus earth of capacitor C 9, the output termination capacitor C 10 of Schmidt trigger IC10 is to the positive pole of the light-emitting diode of photoelectrical coupler, the minus earth of light-emitting diode, two of the light-sensitive element of coupler terminates to the two ends of dial-up circuit redial key, the positive pole of capacitor C 10 meets diode D15 to ground, for capacitor C 10 discharges are held for the loop, the foregoing circuit formation redials circuit (9) automatically, when the monostable time-delay of timing hanging on/up circuit finishes, after redialing circuit (9) automatically and delaying time again, by photoelectrical coupler control dial-up circuit Outgoing Call number.The reset terminal connecting resistance R17 of ring counter IC12 is to the positive pole of power supply, connect hand-free simultaneously and redial control switch K2-2 to ground, the permission end ground connection of ring counter IC12, the output terminating diode D16 of ring counter IC12, series resistor R18 is to the G utmost point of controllable silicon CR1 again.When K switch 2-2 was closed, counter began automatically that accumulative total redials number of times, and when redialing the full output set point number of number of times automatically, the output high level makes the controllable silicon triggering and conducting, thereby realizes shutdown automatically.

The utility model is characterized in that diode D11 is to being connected in series a K switch 4 between the reset terminal of ring counter IC7 again, the output of counter IC7 is got " 7 " end, after then dialing tone is imported 1 time, add six busy tones or ring-back tone again, counter is all exported high level, and control redials circuit (9) work automatically, thereby when realizing meeting busy redialing, also realize freely putting through the purpose of phone, because switching center begins to charge after putting through seven ring-back tones of phone sound.

The counter that the utility model is characterized in that echoing counting circuit (8) and redials counting circuit (10) all adopts coincidence counter, the permission end of coincidence counter IC7 connects the interface point of resistance R 11 and capacitor C 6, the reset terminal of the clock termination coincidence counter IC12 of coincidence counter IC7, be that counter IC7 changes from allowing end input count pulse, need only adopt a CD4518 or C04520 integrated circuit just passable like this.

The utility model is characterized in that output adjunction mis-hanging-on testing circuit to the self-locking on-hook trigger end of electronic gate (4) of inverter ic 6 can realize the automatically function of shutdown of mis-hanging-on, specifically be at the output of inverter ic 6 and connecting resistance R19 and diode D17 positive pole to capacitor C 11, be connected in series diode D18 again, D19 is to the G utmost point of controllable silicon CR1, the minus earth of capacitor C 11, resistance R 19, capacitor C 11 constitutes integrating circuit, the dialing tone duration reaches 10～20S during mis-hanging-on, so the control time-delay does not also begin dialing after 9 seconds, then the charging voltage of capacitor C 11 is greater than puncture voltage and the controllable silicon trigger voltage sum of diode D18 and D19, even controllable silicon self-locking conducting, thereby realize that mis-hanging-on shuts down automatically; Output at inverter ic 3 connects the function that the quiet time-delay testing circuit of mis-hanging-up to the self-locking on-hook trigger end of electronic gate (4) can realize that mis-hanging-up shuts down automatically again, specifically be the output of inverter ic 3 again and connecting resistance R20 and diode D20 to the positive pole of capacitor C 12, be connected in series diode D21, D22 the G utmost point again, the minus earth of capacitor C 12 to controllable silicon CR1.When behind the off-hook during mis-hanging-up, because of no voice signal, the output of inverter ic 3 is continuously high level, the samely formerly should reach 1～3 minute by delay time, promptly triggers electronic gate (4) shutdown automatically.Output at inverter ic 1 connects the input of capacitor C 13 to inverter ic 14 again, the input of inverter ic 14 again resistance R 21 to the positive pole of electric current, the output connecting resistance R22 of inverter ic 14 is to the b utmost point of triode Q2, constitute the anti-shake function of off-hook, inverter ic 1 upset triggers by resistance R 21 when off-hook, capacitor C 13, inverter ic 14 constitutes the off-hook single stabilization delay circuit, produce a pulse delay signal, forced electronic door (4) is kept conducting, play the shake that switch hook produces when eliminating off-hook, the pulse delay time of single stabilization delay circuit generation simultaneously is longer than the blanking time of the pulse dialing number pulse of switching center's regulation, so can play the effect that prevents to pat the switch hook free call on somebody else's expense through illegal means simultaneously, make when patting the switch hook dialing ineffective.In the input circuit of telephone set and connection ringing circuit (12), be connected in series two the oppositely voltage stabilizing didoe 202 and the 203 automatic voltage switches that constitute of serial connection, when phone auto-shut-off of the present utility model, when outside line is squeezed into, can guarantee the ringing circuit normal ringer, the audio signal that yet can make conversation can be close to logical and influence speech quality from ringing circuit.

The utility model is characterized in that the self-locking on-hook trigger end of the output adjunction zero locking circuit of inverter ic 6 to electronic gate (4), even the automatic shutdown of electronic gate (4) quits work when the free call on sb. else's expense through illegal means toll circuit.It specifically is the D utmost point that connects field effect transistor Q6 at the output of inverter ic 6, the S utmost point of field effect transistor Q6 meets diode D23 to lock zero K switch 3, be connected to the G utmost point of controllable silicon CR1 again by resistance R 18, what the G utmost point of field effect transistor Q6 connect No. zero key repacking utilizing dialing keyboard meets key switch K0, the other end of K switch 0 is connected to the positive pole of power supply, the G utmost point of field effect transistor Q6 again connecting resistance R23 to the b utmost point of triode Q5, the c utmost point of triode Q5 and the e utmost point are connected to the R4 end and the C2 end of dial-up circuit respectively, constitute zero locking circuit.When Closing Switch K0, connect No. zero key dial-out zero number of dial-up circuit indirectly by triode Q5, make field effect transistor Q6 conducting simultaneously, if first No. zero key of dialing, because inverter ic 6 detects dialing tone output high level, because of field effect transistor Q6 conducting, make the high level of dialing tone output make controllable silicon CR1 triggering and conducting and shutdown automatically through diode D23, K switch 3 and resistance R 18, play zero effect of long-distance lock by field effect transistor Q6.Because automatic locking zero control procedure has only tens of us levels, far faster than more than anti-bounce time ten NS of dial-up circuit keyboard, so dial-up circuit is accepted zero number automatic hand-up as yet when the automatic shutdown, zero number also can not be input in the memory of dialling circuit so neither can dial, and institute can not utilize redial key free call on sb. else's expense through illegal means toll circuit.

Fig. 1 is a basic circuit control block diagram of the present utility model.

Fig. 2 is a kind of physical circuit schematic diagram of the present utility model.

Fig. 3 is the circuit theory diagrams that the reset terminal altar of counter IC7 adds switch K4.

Fig. 4 is a kind of preferred circuit theory diagrams of the present utility model.

The utility model is on the basis of original call machine, owing to adopt electronic gate (4), dislodging machine shape Attitude testing circuit (5), speech and the testing circuit that echoes (6), the counting circuit that echoes (7), timing are hung and are plucked Dynamo-electric road (8), automatically redial circuit (9), redial counter (10) and a dialing mirror tin circuit (11) has solved The control function that dialing automatically detects, judges and automatically redial. Altar adds mis-hanging-on on this basis Testing circuit plays the effect of mis-hanging-on automatic shutdown, and the line is busy or it is automatic to start to prevent mis-hanging-on Dial feature; Increase again the quiet time-delay testing circuit of mis-hanging-up, thereby played mis-hanging-up The time automatic shutdown function, the line is busy when preventing mis-hanging-up and switching centre misread the phenomenon of charging; Altar has added the off-hook single stabilization delay circuit again, plays when preventing that outside line from squeezing into ring off-hook and opens because of hook switch The fault of closing shake and breaking and the purpose that prevents from utilizing the switch hook free call on somebody else's expense through illegal means add in conjunction with altar Zero locking circuit, simultaneously locking utilizes the purpose of keyboard and redial key free call on sb. else's expense through illegal means long-distance call. Because from Moving shutdown is in not busy line of hook state, thus and the input circuit of connection ringing circuit In the voltage switch that consisted of by two Zener diodes of serial connection, ring can satisfy outside line and squeeze into the time Purpose, voice signal is close to logical and affects speech quality from ringing circuit when preventing from conversing simultaneously.

Below in conjunction with drawings and Examples structure of the present utility model is further described.

Embodiment 1

As shown in Figure 2, in resistance R 2 and receive the e utmost point and the b utmost point of triode Q1, the e utmost point of triode Q1 connects the output of polarity switching (1), resistance R 3 is connected between the c utmost point of the b utmost point of triode Q1 and triode Q2, resistance R 1 connects the e utmost point of triode Q1, the other end of resistance R 1 and sending and receiving optical diode L01 and L02, light-emitting diode L01 and L02 are connected in series K switch 1-1 and K2-1 more respectively, the other end of K switch 1-1 and K2-1 is also received the b utmost point of triode Q2, the b utmost point of triode Q2 connects the K utmost point of controllable silicon CR1 and the c utmost point of triode Q3 more simultaneously, the A utmost point of controllable silicon CR1, the e of triode Q2 and Q3 is ground connection extremely all, the C utmost point of triode Q1 connects the transmission ends of capacitor C 2 and dialing and speech circuit (3), control power supply (2) is by resistance R 4, R5, capacitor C 1, diode D5 and voltage stabilizing didoe 201 are formed, resistance R 4, R5 is connected respectively to the e utmost point and the c utmost point of triode Q1, the equal ground connection of the negative pole of voltage stabilizing didoe 201 and capacitor C 1, the output of control power supply is connected to resistance R 8, R17, counter IC7, IC12, the power end of inverter and Schmidt trigger, inverter ic 1 and IC2 are concatenated into the interface point place of resistance R 5 and diode D5, the output of inverter ic 1 and IC2 is connected to diode D12 and resistance R 6 respectively, by resistance R 6, R7, R8, capacitor C 2, triode Q4 and inverter ic 3 constitute signal amplification circuit, the e utmost point ground connection of triode Q4, the output of inverter ic 3 connects the input of inverter ic 13 respectively, K switch 1-2, resistance R 9 and diode D6, the two ends of piezoelectric loudspeaker FT1 are connected respectively to the output of inverter ic 13 and the other end of K switch 1-2, by resistance R 9, capacitor C 3, diode D6, inverter ic 4 constitutes low-pass filter circuit, the output of inverter ic 4 connects capacitor C 4, by resistance R 10, capacitor C 4, C5, diode D7, D8, inverter ic 5, IC6 constitutes high-pass filtering circuit, inverter ic 6 outputs connect resistance R 11 and R12 simultaneously, diode D9 and D10, the other end of resistance R 11 and diode D9 is also received capacitor C 6 and the clock end of ring counter IC7, the other end ground connection of capacitor C 6, the other end of resistance R 12 and diode D10 also connects capacitor C 7 and diode D11, the other end ground connection of capacitor C 7, the other end of diode D11 and D12 is also received resistance R 13 and the reset terminal of ring counter IC7, the other end ground connection of resistance R 13, the permission end of ring counter IC7 is connected to the reset terminal of ring counter IC12, the output of ring counter IC7 connects the clock end of diode D13 and ring counter IC12, by resistance R 14, R15, capacitor C 8, diode D13, Schmidt trigger IC8, IC9 constitutes regularly hanging on/up circuit (8), the equal ground connection of the negative pole of the other end of resistance R 14 and capacitor C 8, the output of Schmidt trigger IC9 connects resistance R 15 and R16 simultaneously, diode D14, the other end of resistance R 15 connects the b utmost point of triode Q3, the other end of resistance R 16 and diode D14 again and receive the positive pole of capacitor C 9 and the input of Schmidt trigger IC15, the minus earth of capacitor C 9, the output termination capacitor C 10 of Schmidt trigger is to the positive pole of the light-emitting diode of photoelectrical coupler, the minus earth of light-emitting diode, two of coupler light-sensitive element terminates to the two ends of dial-up circuit redial key, the positive pole of capacitor C 10 meets diode D15 to ground, the reset terminal connecting resistance R17 of ring counter IC12 is to the positive pole of power supply, meet K switch 2-2 simultaneously to ground, ring counter IC12 allows end ground connection, the output terminating diode D16 of ring counter IC12, series resistor R18 is to the G utmost point of controllable silicon CR1 again.Wherein triode Q1 adopts 2N5401, Q2 adopts 2N5551, Q3, Q4 adopt C9014, inverter ic 3, IC4, IC5, IC6 adopt CD4069, and IC1, IC2, IC8, IC9, IC10 equally adopt C040106, and IC7, IC12 adopt C04017, CR1 adopts CR1AN, IC11 adopts NE2501, and K switch 1-1 and K1-2 adopt 2 * 2 sensitive switches, and K2-1, K2-2 adopt 2 * 2 button self-lock switchs.

Embodiment 2

As shown in Figure 3, at diode D11 to being connected in series a K switch 4 between the reset terminal of ring counter IC7 again, the output of counter IC7 get CD4017's " 7 " end, then after the dialing tone input 1, add six busy tones or ring-back tone again, even redial control circuit work automatically, thus the function that realizes that busy tone redials automatically and freely redial automatically, and all the other are as embodiment 1.

Embodiment 3

As shown in Figure 4, counter IC7, IC12 respectively adopt 1/2CD4518, and the permission end of counter IC7 is connected to the interface point of resistance R 11 and capacitor C 6, and the clock end of counter IC7 is connected to the reset terminal of counter IC12, to save an integrated circuit, all the other are with embodiment 2.

Embodiment 4

As shown in Figure 4, the output of inverter ic 6 again and connecting resistance R19 and diode D17 to the positive pole of capacitor C 11, be connected in series diode D18, D19 the G utmost point again, the minus earth of capacitor C 11 to one-way SCR CR1; The output of inverter ic 3 again and connecting resistance R20 and diode D20 to the positive pole of capacitor C 12, be connected in series diode D21, D22 the G utmost point again, the minus earth of capacitor C 12 to one-way SCR CR1; Output at inverter ic 1 connects the input of capacitor C 13 to inverter ic 14 again, and connecting resistance R21 is to the positive pole of power supply again for the input of inverter ic 14, and the output connecting resistance R22 of inverter ic 14 is to the b utmost point of triode Q2.Add the function that mis-hanging-on shuts down automatically, mis-hanging-up shuts down automatically and off-hook is anti-shake with altar.Automatically the energy ring is squeezed in shutdown back outside line in order to testify, again and the input circuit of connection ringing circuit in, be connected in series two oppositely voltage stabilizing didoes 202 and 203 of serial connection, voltage stabilizing didoe 202 and 203 voltage stabilizing value are got 4.7V, to constitute voltage switch, make speech quality not because of being close to logical and influenced from ringing circuit.All the other are as embodiment 3.

Embodiment 5

As shown in Figure 4, the D utmost point that connects field effect transistor Q6 at the output of inverter ic 6, the S utmost point of field effect transistor Q6 meets diode D23 to K switch 3, K switch 3 again connecting resistance R18 to the G utmost point of one-way SCR CR1, the G utmost point of field effect transistor Q6 connects K switch 0 and resistance R 23 simultaneously, and K switch 0 is utilized No. zero key repacking of dialing keyboard, the positive pole of another termination power of K switch 0, the b utmost point of another termination triode Q5 of resistance R 23, the C utmost point of triode Q5 and the e utmost point are connected to the R4 end and the C2 end of dial-up circuit respectively.Be being connected of further tube chemical control system circuit and telephone set, save electronic component, the output connecting resistance R24 of inverter ic 1 is to the input of inverter ic 15, the input of inverter ic 15 connects the DP output of diode D24 to dial-up circuit again, the output connecting resistance R25 of inverter ic 15 is to the b utmost point of triode Q3, dial-up circuit and control circuit common source, the output termination dial-up circuit RK control end of inverter ic 1, all the other are with embodiment 4.

Claims

1, the multi-functional automatic control equipment of a kind of telephone set, it comprises polarity switching (1) and control power supply (2), it is characterized in that being connected in series electronic gate (4) between the dialing of polarity switching (1) and telephone set and the speech circuit (3), two inputs of control power supply (2) are connected respectively to the input and output side of electronic gate (4), the voltage stabilizing end of control power supply (2) is connected with the input of dislodging machine state detection circuit (5), the output of electronic gate (4) is connected with the input of speech and the testing circuit that echoes (6), the off hook state output of dislodging machine state detection circuit (5) and hook state output are connected respectively to speech and the reset terminal of the input offset side of the signal amplification circuit of the testing circuit that echoes (6) and counting circuit (7) of echoing, the detection output that echoes of speech and the testing circuit that echoes (6) is connected with the input of the counting circuit that echoes (7), the output of counting circuit (7) that echoes is connected with the input of hanging on/up circuit (8) regularly, regularly the output of hanging on/up circuit (8) is connected with the input that redials circuit (9) automatically with the hanging on/up control end of electronic gate (4) simultaneously, automatically the output that redials circuit (9) is connected by the redial key of photoelectrical coupler with dialing and speech circuit (3), echo counting circuit (7) output with allow end to be connected with reset terminal with the clock end that redials counting circuit (10) respectively, the output that redials counting circuit (10) is connected with the self-locking on-hook trigger end of electronic gate (4), the audio output of speech and the testing circuit that echoes (6) connects dials the input that mirror is listened circuit (11), and the output of control power supply (2) is connected to the power input of each control circuit.

2, the multi-functional automatic control equipment of telephone set according to claim 1, it is characterized in that resistance R 2 and receive the e utmost point and the b utmost point of triode Q1, the e utmost point of triode Q1 connects the output of polarity switching (1), resistance R 3 is connected between the c utmost point of the b utmost point of triode Q1 and triode Q2, resistance R 1 connects the e utmost point of triode Q1, the other end of resistance R 1 and sending and receiving optical diode L01 and L02, light-emitting diode L01 and L02 are connected in series K switch 1-1 and K2-1 more respectively, the other end of K switch 1-1 and K2-1 is also received the b utmost point of triode Q2, the b utmost point of triode Q2 connects the K utmost point of controllable silicon CR1 and the c utmost point of triode Q3 more simultaneously, the A utmost point of controllable silicon CR1, the e of triode Q2 and Q3 is ground connection extremely all, the C utmost point of triode Q1 connects the transmission ends of capacitor C 2 and dialing and speech circuit (3), control power supply (2) is by resistance R 4, R5, capacitor C 1, diode D5 and voltage stabilizing didoe 201 are formed, resistance R 4, R5 is connected respectively to the e utmost point and the c utmost point of triode Q1, the equal ground connection of the negative pole of voltage stabilizing didoe 201 and capacitor C 1, the output of control power supply is connected to resistance R 8, R17, counter IC7, IC12, the power end of inverter and Schmidt trigger, inverter ic 1 and IC2 are concatenated into the interface point place of resistance R 5 and diode D5, the output of inverter ic 1 and IC2 is connected to diode D12 and resistance R 6 respectively, by resistance R 6, R7, R8, capacitor C 2, triode Q4 and inverter ic 3 constitute signal amplification circuit, the e utmost point ground connection of triode Q4, the output of inverter ic 3 connects the input of inverter ic 13 respectively, K switch 1-2, resistance R 9 and diode D6, the two ends of piezoelectric loudspeaker FT1 are connected respectively to the output of inverter ic 13 and the other end of K switch 1-2, by resistance R 9, capacitor C 3, diode D6, inverter ic 4 constitutes low-pass filter circuit, the output of inverter ic 4 connects capacitor C 4, by resistance R 10, capacitor C 4, C5, diode D7, D8, inverter ic 5, IC6 constitutes high-pass filtering circuit, inverter ic 6 outputs connect resistance R 11 and R12 simultaneously, diode D9 and D10, the other end of resistance R 11 and diode D9 is also received capacitor C 6 and the clock end of ring counter IC7, the other end ground connection of capacitor C 6, the other end of resistance R 12 and diode D10 also connects capacitor C 7 and diode D11, the other end ground connection of capacitor C 7, the other end of diode D11 and D12 is also received resistance R 13 and the reset terminal of ring counter IC7, the other end ground connection of resistance R 13, the permission end of ring counter IC7 is connected to the reset terminal of ring counter IC12, the output of ring counter IC7 connects the clock end of diode D13 and ring counter IC12, by resistance R 14, R15, capacitor C 8, diode D13, Schmidt trigger IC8, IC9 constitutes regularly hanging on/up circuit (8), the equal ground connection of the negative pole of the other end of resistance R 14 and capacitor C 8, the output of Schmidt trigger IC9 connects resistance R 15 and R16 simultaneously, diode D14, the other end of resistance R 15 connects the b utmost point of triode Q3, the other end of resistance R 16 and diode D14 again and receive the positive pole of capacitor C 9 and the input of Schmidt trigger IC15, the minus earth of capacitor C 9, the output termination capacitor C 10 of Schmidt trigger is to the positive pole of the light-emitting diode of photoelectrical coupler, the minus earth of light-emitting diode, two of coupler light-sensitive element terminates to the two ends of dial-up circuit redial key, the positive pole of capacitor C 10 meets diode D15 to ground, the reset terminal connecting resistance R17 of ring counter IC12 is to the positive pole of power supply, meet K switch 2-2 simultaneously to ground, the permission end ground connection of ring counter IC12, the output terminating diode D16 of ring counter IC12, series resistor R18 is to the G utmost point of controllable silicon CR1 again.

3, the multi-functional automatic control equipment of telephone set according to claim 2, the diode D11 in the counting circuit (7) that it is characterized in that echoing is to being connected in series a K switch 4 between the reset terminal of ring counter IC7 again.

4, the multi-functional automatic control equipment of telephone set according to claim 2, the counter IC7, the IC12 that it is characterized in that echoing counting circuit (7) and redial counting circuit (10) all adopt coincidence counter, the permission end of coincidence counter IC7 connects the interface point of resistance R 11 and capacitor C 6, and the clock end of coincidence counter IC7 is connected to the reset terminal of coincidence counter IC12.

5, according to claim 3 or the multi-functional automatic control equipment of 4 described telephone sets, the output that it is characterized in that inverter ic 6 again and connecting resistance R19 and diode D17 to the positive pole of capacitor C 11, be connected in series diode D18, D19 the G utmost point again, the minus earth of capacitor C 11 to controllable silicon CR1.

6, the multi-functional automatic control equipment of telephone set according to claim 5, the output that it is characterized in that inverter ic 3 again and connecting resistance R20 and diode D20 to the positive pole of capacitor C 12, be connected in series diode D21, D22 the G utmost point again, the minus earth of capacitor C 12 to controllable silicon CR1.

7, the multi-functional automatic control equipment of telephone set according to claim 5, the output that it is characterized in that inverter ic 1 connects the input of capacitor C 13 to inverter ic 14 again, connecting resistance R21 is to the positive pole of power supply again for the input of inverter ic 14, and the output connecting resistance R22 of inverter ic 14 is to the b utmost point of triode Q2.

8, the multi-functional automatic control equipment of telephone set according to claim 5, it is characterized in that the output of inverter ic 6 connects the D utmost point of field effect transistor Q6, the S utmost point of field effect transistor Q6 meets diode D23 to K switch 3, K switch 3 again connecting resistance R18 to the G utmost point of controllable silicon CR1, the G utmost point of field effect transistor Q6 connects K switch 0 and resistance R 23 simultaneously, K switch 0 is utilized No. zero key repacking of dialing keyboard, the positive pole of another termination power of K switch 0, the b utmost point of another termination triode Q5 of resistance R 23, the C utmost point of triode Q5 and the e utmost point are connected to the R4 end and the C2 end of dial-up circuit respectively.

9, the multi-functional automatic control equipment of telephone set according to claim 5, it is characterized in that the input of the output connecting resistance R24 of inverter ic 1 to inverter ic 15, the input of inverter ic 15 connects the DP output of diode D24 to dial-up circuit again, the output connecting resistance R25 of inverter ic 15 is to the b utmost point of triode D3, dial-up circuit and control circuit common source, the output termination dial-up circuit BK control end of inverter ic 1.

10, the multi-functional automatic control equipment of telephone set according to claim 5 is characterized in that in the input circuit of telephone set and connection ringing circuit (12), is connected in series two oppositely voltage stabilizing didoes 292 and 203 of serial connection.