CN203377945U - Intelligent control and detection circuit - Google Patents
Intelligent control and detection circuit Download PDFInfo
- Publication number
- CN203377945U CN203377945U CN201320416856.8U CN201320416856U CN203377945U CN 203377945 U CN203377945 U CN 203377945U CN 201320416856 U CN201320416856 U CN 201320416856U CN 203377945 U CN203377945 U CN 203377945U
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- control chip
- triode
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Telephone Function (AREA)
Abstract
The utility model provides an intelligent control and detection circuit comprising an intelligent detection circuit, an intelligent pick-up conversation control circuit, an intelligent conversation end busy tone detection control hang-up circuit, an intelligent double-audio detection control circuit and an intelligent audio amplification and long distance transmission control circuit. When nobody answer a phone, a speaker can be started automatically to carry out amplification, speaker amplification can be started or closed autonomously in a conversation process, and after hanging up the phone, detection busy tone times can be set and then the speaker is closed or started.
Description
Technical field
The present invention relates to detect the control circuit of ringing signal sound, anti-explosion loudspeaker box and MP3 music switch, specifically the Based Intelligent Control testing circuit.
Background technology
Mining explosion-proof sound box or its control device only can be broadcast when conversation in the expansion of automatic unlatching audio amplifier now, after on-hook, automatic turning-off sound box expands the simple functions of broadcasting, can not in communication process, independently select to close or open audio amplifier, can not carry out turning-off sound box by detecting busy-back signal after on-hook, can not realize after a little sound of ring that the ring unanswered automatically opens audio amplifier and expands and the function such as broadcast.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of Based Intelligent Control testing circuit, can automatically open audio amplifier in the time of can realizing ring unanswered's phone expands and broadcasts, in communication process, can independently select unlatching or turning-off sound box to expand and broadcast, audio amplifier is closed or opened to on-hook after can setting afterwards and detecting the busy tone number of times.
The present invention is that the technical scheme that the deficiency that solves the problems of the technologies described above adopts is: the Based Intelligent Control testing circuit is characterized in that: comprise that Intelligent detection circuit, intelligent off-hook conversation control circuit, intelligent call finish that busy tone detecting is controlled the on-hook circuit, intelligent dual-audio detects control circuit and intelligent audio amplifies and the long-distance transmissions control circuit;
The 19th pin of the operation indication of described Based Intelligent Control testing circuit and control chip IC1 in reset circuit is connected current-limiting resistance R23, the negative pole of while resistance R 23 connecting luminous diode L1, the positive pole of diode L1 connects DC power supply VCC(+5V); The 1st pin of control chip IC1 is by resistance R 18 ground connection GND, and the 1st pin of control chip IC1 connects DC power supply VCC(+5V by capacitor C 8 simultaneously);
The 6th pin contact resistance R2 of control chip IC1 and the collector electrode of triode Q1 in described Intelligent detection circuit, the other end of resistance R 2 connects DC power supply VCC(+5V) and the 4th pin of optocoupler U1, the end of the base stage contact resistance R4 of triode Q1, the other end of resistance R 4 connects the 3rd pin of optocoupler U1 and the positive pole of resistance R 3 and electrochemical capacitor C2, the negative pole of the transmitter of triode Q1 and resistance R 3 and electrochemical capacitor C2 the ground GND that allies the communists.The 2nd pin of optocoupler U1 is connected to the 1st pin of optocoupler U1 by diode D1,1 end of telephone wire is connected to the negative pole of diode D1 and the 1st pin of optocoupler U1 by capacitor C 1, and 2 ends of telephone wire are connected to the positive pole of diode D1 and the 2nd pin of optocoupler U1 by resistance R 1;
The end of the 17th pin contact resistance R24 of control chip IC1 in described intelligent off-hook conversation control circuit, the negative pole of the other end connecting luminous diode L2 of resistance R 24, the positive pole of light-emitting diode L2 connects DC power supply VCC(+5V).The end of the 17th pin contact resistance R10 of while control chip IC1, the 2nd pin of the other end optocoupler U3 of resistance R 10, and the 1st pin of optocoupler U3 need to connect DC power supply VCC(+5V), the end of the 4th pin contact resistance R9 of optocoupler U3, the base stage of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 9 and an end of resistance R 5, and the emitter of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 5 and the 2nd pin of rectifier bridge U2; The 3rd pin of optocoupler U3 connects the 4th pin of rectifier bridge U2; The 1st pin of rectifier bridge U2 and the 3rd pin are connected to 1 end and 2 ends of telephone wire, rectifier bridge U2 converts AC signal in telephone signal to direct current signal, and the collector electrode of triode Qa and triode Qb parallel connection is connected to the negative pole of voltage stabilizing didoe D2 and an end and the collector electrode of triode Q2 and an end of triode Q3 collector electrode and capacitor C 3 of resistance R 6; The 4th pin of rectifier bridge U2 and the 3rd pin of optocoupler are connected the positive pole of diode D2 and positive pole and an end of resistance R 7 and resistance R 8 and the 3rd pin of line transformer T1 of diode D3 together; The other end of resistance R 6 is connected to the base stage of triode Q2 and the negative pole of diode D3, the base stage of the emitter connecting triode Q3 of triode Q2 and the other end of resistance R 7, the other end of the emitter contact resistance R8 of triode Q3, an end of capacitor C 3 is connected to the 1st pin of line transformer T1; The 4th pin ground connection GND of line transformer, the 2nd pin of line transformer is connected to an end of capacitor C 36; The other end of capacitor C 36 connects the 5th pin of communication relay K1; The 4th pin of communication relay K1 is connected to the 2nd Pin locations of meticulous adjustable potentiometer W1; The end of the 16th pin contact resistance R21 of control chip IC1, the base stage of the other end connecting triode Q10 of resistance R 21, the emitter of triode Q10 connects the 10th pin of communication relay K1 and the positive pole of diode D7, the 1st pin of communication relay K1 and the negative pole of diode D7 are connected DC power supply VCC1 (+5V), the collector electrode common ground GND of the collector electrode of triode Q10 and triode Q9; The end of the 18th pin contact resistance R22 of control chip IC1, the base stage of the other end connecting triode Q9 of resistance R 22, the emitter of triode Q9 connects the positive pole of diode D8 and the 10th pin of private communication relay K 2, and the 1st pin of private communication relay K 2 and the negative pole of diode D8 are connected DC power supply VCC1(+5V); The 9th pin of communication relay K1 and the 4th pin of private communication relay K 2 are connected, and the 2nd pin of private communication relay K 2 is MP3 out output;
Described intelligent call finishes busy tone detecting and controls in the on-hook circuit, the 7th pin of control chip IC1 connects precisely busy tone detecting control chip PHT-03 of specialty numeral, one end of the busy tone detecting control circuit resistance R 17 of the 8th pin connecting analog of control chip IC1 and the collector electrode of triode Q5, resistance R 17 is connected DC power supply VCC(+5V jointly with resistance R 13), the 2nd pin of line transformer T1 connects 2,3 pins of meticulous adjustable resistance R11 and the 1st pin of busy tone detecting control chip PHT-03, and the 4th pin of line transformer T1 connects GND publicly, the 1st pin of meticulous adjustable resistance R11 connects an end of capacitor C 11, the base stage of capacitor C 11 other end contact resistance R12 and triode Q4, the collector electrode of the other end contact resistance R13 of resistance R 12 and capacitor C 5 and triode Q4, the other end of resistance R 13 connects DC power supply VCC(+5V), the other end of capacitor C 5 connects negative pole and the diode D6 positive pole of diode D5, the plus earth GND of diode D5, the negative pole of diode D6 connects capacitor C 6 and resistance R 14 and resistance R 15, the other end ground connection of resistance R 15, resistance R 14 the base stage of other end connecting triode Q5 and an end of resistance R 16, the other end ground connection GND of resistance R 16, the grounded emitter GND of triode Q5, the collector electrode of triode Q5 connects the 8th pin of control chip IC1,
The 7th pin of control chip IC1 connects professional numeral busy tone detecting control chip PHT-03 accurately, the 7th pin of control chip IC1 is connected to the 11st pin of control chip PHT-03 by resistance R 32 and resistance R 27, connect DC power supply VCC(+5V between resistance R 32 and resistance R 27 simultaneously).The 7th pin of control chip IC1 also needs the collector electrode of connecting triode Q7, the grounded emitter GND of triode Q7, the end of the base stage contact resistance R31 of triode Q7, the negative pole of the other end contact resistance R33 of resistance R 31 and the negative pole of diode D10 and diode D9, the positive pole of the positive pole of diode D10 and diode D9 is connected respectively the 10th and the 9th pin of busy tone detecting control chip PHT-03.The 4th pin of busy tone detecting control chip PHT-03 need to connect DC power supply VCC(+5V).The 3rd pin of busy tone detecting control chip PHT-03 connects DC power supply VCC(+5V by resistance R 26).The 2nd pin of busy tone detecting control chip PHT-03 needs ground connection GND;
The 2nd pin that described intelligent dual-audio detects control chip IC1 in control circuit is connected to the 15th pin of control chip IC2 by the RC filter circuit of resistance R 100 and capacitor C 27 compositions, the 11st pin of control chip IC1 connects the 10th pin of control chip IC2, the 12nd pin of control chip IC1 connects the 11st pin of control chip IC2, the 13rd pin of control chip IC1 connects the 12nd pin of control chip IC2, the 14th pin of control chip IC1 connects the 13rd pin of control chip IC2, the 15th pin of control chip IC1 connects the 14th pin of control chip IC2.The 9th pin of control chip IC1 is connected to the base stage of triode Q8 by resistance R 20, the grounded emitter GND of triode Q8, the collector electrode of triode Q8 connects DC power supply VCC(+5V by resistance R 19).The collector electrode of triode Q8 is connected to the 2nd pin of control chip IC2 by capacitor C 17 and capacitor C 24 and resistance R 28, the 2nd pin of control chip IC2 is connected by the 3rd pin of resistance R 29 and control chip IC2.The 1st pin of control chip IC2 and the 4th pin of control chip IC2 are connected.The 18th pin of control chip IC2 is connected to the 17th pin of control chip IC2 by capacitor C 23, the 17th pin of control chip IC2 is connected to the 16th pin of control chip IC2 by resistance R 30, the 18th pin of control chip IC2 connects DC power supply VCC(+5V), the 18th pin of control chip IC2 also needs by capacitor C 22 ground connection GND simultaneously.Control chip IC2 from oscillating circuit, by crystal oscillator Y2, with capacitor C 26, with capacitor C 25, formed and the 7th pin by control chip IC2 is connected with the 8th pin;
Described intelligent audio amplifies and long-distance transmissions control circuit sound intermediate frequency signal is connected in circuit by meticulous adjustable potentiometer W12, the 3rd pin of meticulous adjustable potentiometer W12 is connected to the 1st pin of chip U4 by capacitor C 29, the 2nd pin of chip U4 is by resistance R 40 and capacitor C 33 ground connection GND, the 2nd pin that the 4th pin of chip U4 is connected to chip U4 by resistance R 41 simultaneously forms feedback circuit, the 3rd pin ground connection GND of chip U4.The filter circuit that DC power supply 15V forms by capacitor C 30 and electrochemical capacitor C32 is connected to the 5th pin of chip U4, the other end ground connection GND of capacitor C 30 and electrochemical capacitor C32.DC power supply 15V is connected to the 1st pin of chip U4 by resistance R 38 and resistance R 39, resistance R 37 and capacitor C 34 form filter circuit and be connected between resistance R 38 and resistance R 39.The 4th pin of chip U4 is by resistance R 42 and capacitor C 31 ground connection GND, the 4th pin of chip U4 is connected to the 1st pin of long-distance transmissions transformer T3 by electrochemical capacitor C35, the 3rd pin of long-distance transmissions transformer T3 needs ground connection GND, and the 2nd pin of long-distance transmissions transformer T3 and the 4th pin are as the output of audio signal long-distance transmissions.
Beneficial effect of the present invention is:
1, this circuit automatic, intelligent degree are higher, and can expand broadcast to audio amplifier and carry out ACTIVE CONTROL, and whether the user can select expand and broadcast message according to actual conditions, also can directly be broadcasted the audio amplifier location.
2, Intelligent detection circuit is connected on the intrinsic safety telephone wire in the lump by P1 and mining intrinsic safety telephone set, at first current-limiting resistance and the electric capacity of the sine wave signal of phone by optocoupler U1 front end enters into optocoupler U1 during ring, the effect of D1 is to prevent that reverse voltage from entering optocoupler, signal enters optocoupler and makes the optocoupler conducting, RC filter circuit through resistance R 3 and capacitor C 2 compositions, be connected to R4 after filtering clutter and enter the Q1 triode, the collector electrode output square wave of triode.Single chip computer AT 89C2051 detects judgement to the square wave of triode output, the conversation of control circuit off-hook.
3, single-chip microcomputer outputs to the U2 control circuit by control signal and connects voice signal, voice signal is processed through the amplifying signal of Qa and Qb and Q2 and Q3 by rectifier bridge U2 signal, output to the power amplifier part by line transformer T1 again, output audio signal, go out sound radio.Make this intelligence off-hook conversation control circuit signal stabilization, broadcast in time.
4, the telephone key-press digital coding that the basic function part that intelligent dual-audio detection control circuit is realized presses by detection is also identified by the dual-audio decoding chip, be sent to the elemental motion that control chip IC1 is judged and control other unit, realize using telephone key-press to control the purpose of opening or closing of audio-amplifying circuit, make to control convenient intelligence.
5, the basic function that intelligent call end busy tone detecting control on-hook circuit is realized partly exports when exchanging two parties end of conversation and switch the busy-back signal that meets national regulation, busy-back signal simulated testing circuit and the precisely detection chip reception of specialty numeral simultaneously, the processing of process busy tone detecting circuit also is sent to control chip IC1, make and accurately react the control circuit on-hook, return to reset condition.
The accompanying drawing explanation
Fig. 1 is the partial circuit figure of the control chip IC1 of Based Intelligent Control testing circuit of the present invention;
Fig. 2 is Intelligent detection circuit of the present invention;
Fig. 3 is intelligent off-hook conversation control circuit of the present invention;
Fig. 4 is that intelligent call of the present invention finishes busy tone detecting control on-hook circuit;
Fig. 5 is that intelligent dual-audio of the present invention detects control circuit;
Fig. 6 is that intelligent audio of the present invention amplifies and the long-distance transmissions control circuit
Embodiment
As shown in the figure, the 19th pin of the operation indication of described Based Intelligent Control testing circuit and control chip IC1 in reset circuit is connected current-limiting resistance R23, the negative pole of while resistance R 23 connecting luminous diode L1, the positive pole of diode L1 connects DC power supply VCC(+5V); The 1st pin of control chip IC1 is by resistance R 18 ground connection GND, and the 1st pin of control chip IC1 connects DC power supply VCC(+5V by capacitor C 8 simultaneously); Control chip IC1 can select single chip computer AT 89C2051.
The operation indication of described Based Intelligent Control testing circuit and the function of reset circuit can be by the indication of scintilltion observation device power supply (DPS) and the ruuning situations of diode, and the program that can control chip IC1 after energising reruns chip internal, the correctness of assurance program operation.Figure as shown in Figure 1.
The 6th pin contact resistance R2 of control chip IC1 and the collector electrode of triode Q1 in described Intelligent detection circuit, the other end of resistance R 2 connects DC power supply VCC(+5V) and the 4th pin of optocoupler U1, the end of the base stage contact resistance R4 of triode Q1, the other end of resistance R 4 connects the 3rd pin of optocoupler U1 and the positive pole of resistance R 3 and electrochemical capacitor C2, the negative pole of the transmitter of triode Q1 and resistance R 3 and electrochemical capacitor C2 the ground GND that allies the communists.The 2nd pin of optocoupler U1 is connected to the 1st pin of optocoupler U1 by diode D1,1 end of telephone wire is connected to the negative pole of diode D1 and the 1st pin of optocoupler U1 by capacitor C 1, and 2 ends of telephone wire are connected to the positive pole of diode D1 and the 2nd pin of optocoupler U1 by resistance R 1.
As shown in Figure 2.The basic function that described Intelligent detection circuit is realized is partly worked as ringing signal and is arrived the leading portion of testing circuit by telephone line transmission, ringing signal is by optocoupler U1, optocoupler U1 output signal arrives triode Q1 through filtering and the resistance R 4 of resistance R 3 and capacitor C 2, triode Q1 output square-wave signal is also carried out automatic reception, judgement, control by the 6th pin of control chip IC1, thereby realize the Detection task of intelligent signal, for control chip IC1 makes correct judgement, provide reliable foundation.
The end of the 17th pin contact resistance R24 of control chip IC1 in described intelligent off-hook conversation control circuit, the negative pole of the other end connecting luminous diode L2 of resistance R 24, the positive pole of light-emitting diode L2 connects DC power supply VCC(+5V).The end of the 17th pin contact resistance R10 of while control chip IC1, the 2nd pin of the other end optocoupler U3 of resistance R 10, and the 1st pin of optocoupler U3 need to connect DC power supply VCC(+5V), the end of the 4th pin contact resistance R9 of optocoupler U3, the base stage of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 9 and an end of resistance R 5, and the emitter of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 5 and the 2nd pin of rectifier bridge U2; The 3rd pin of optocoupler U3 connects the 4th pin of rectifier bridge U2; The 1st pin of rectifier bridge U2 and the 3rd pin are connected to 1 end and 2 ends of telephone wire, rectifier bridge U2 converts AC signal in telephone signal to direct current signal, and the collector electrode of triode Qa and triode Qb parallel connection is connected to the negative pole of voltage stabilizing didoe D2 and an end and the collector electrode of triode Q2 and an end of triode Q3 collector electrode and capacitor C 3 of resistance R 6; The 4th pin of rectifier bridge U2 and the 3rd pin of optocoupler are connected the positive pole of diode D2 and positive pole and an end of resistance R 7 and resistance R 8 and the 3rd pin of line transformer T1 of diode D3 together; The other end of resistance R 6 is connected to the base stage of triode Q2 and the negative pole of diode D3, the base stage of the emitter connecting triode Q3 of triode Q2 and the other end of resistance R 7, the other end of the emitter contact resistance R8 of triode Q3, an end of capacitor C 3 is connected to the 1st pin of line transformer T1; The 4th pin ground connection GND of line transformer, the 2nd pin of line transformer is connected to an end of capacitor C 36; The other end of capacitor C 36 connects the 5th pin of communication relay K1; The 4th pin of communication relay K1 is connected to the 2nd Pin locations of meticulous adjustable potentiometer W1; The end of the 16th pin contact resistance R21 of control chip IC1, the base stage of the other end connecting triode Q10 of resistance R 21, the emitter of triode Q10 connects the 10th pin of communication relay K1 and the positive pole of diode D7, the 1st pin of communication relay K1 and the negative pole of diode D7 are connected DC power supply VCC1 (+5V), the collector electrode common ground GND of the collector electrode of triode Q10 and triode Q9; The end of the 18th pin contact resistance R22 of control chip IC1, the base stage of the other end connecting triode Q9 of resistance R 22, the emitter of triode Q9 connects the positive pole of diode D8 and the 10th pin of private communication relay K 2, and the 1st pin of private communication relay K 2 and the negative pole of diode D8 are connected DC power supply VCC1(+5V); The 9th pin of communication relay K1 and the 4th pin of private communication relay K 2 are connected, and the 2nd pin of private communication relay K 2 is MP3 out output;
As shown in Figure 3, the ringing-current that the basic function that described intelligent off-hook conversation control circuit is realized is partly worked as phone is detected by the Based Intelligent Control testing circuit, control program in control chip IC1 can be made the reaction that judges accurately and make established procedure, control chip IC1 is by controlling communication relay K1 and communication relay K2, the signal of output is transferred to the output of voice signal by the output of MP3 signal, control chip IC1 controls optocoupler U2 conducting and controls circuit for answering and open simultaneously, the needs transmission of speech signals is delivered to line transformer by amplifying circuit, by line transformer, voice signal is sent to communication relay, be delivered to the speech play terminal by power amplifier again.
Described intelligent call finishes busy tone detecting and controls in the on-hook circuit, the 7th pin of control chip IC1 connects precisely busy tone detecting control chip PHT-03 of specialty numeral, one end of the busy tone detecting control circuit resistance R 17 of the 8th pin connecting analog of control chip IC1 and the collector electrode of triode Q5, resistance R 17 is connected DC power supply VCC(+5V jointly with resistance R 13), the 2nd pin of line transformer T1 connects 2,3 pins of meticulous adjustable resistance R11 and the 1st pin of busy tone detecting control chip PHT-03, and the 4th pin of line transformer T1 connects GND publicly, the 1st pin of meticulous adjustable resistance R11 connects an end of capacitor C 11, the base stage of capacitor C 11 other end contact resistance R12 and triode Q4, the collector electrode of the other end contact resistance R13 of resistance R 12 and capacitor C 5 and triode Q4, the other end of resistance R 13 connects DC power supply VCC(+5V), the other end of capacitor C 5 connects negative pole and the diode D6 positive pole of diode D5, the plus earth GND of diode D5, the negative pole of diode D6 connects capacitor C 6 and resistance R 14 and resistance R 15, the other end ground connection of resistance R 15, resistance R 14 the base stage of other end connecting triode Q5 and an end of resistance R 16, the other end ground connection GND of resistance R 16, the grounded emitter GND of triode Q5, the collector electrode of triode Q5 connects the 8th pin of control chip IC1.
The 7th pin of control chip IC1 connects professional numeral busy tone detecting control chip PHT-03 accurately, the 7th pin of control chip IC1 is connected to the 11st pin of control chip PHT-03 by resistance R 32 and resistance R 27, connect DC power supply VCC(+5V between resistance R 32 and resistance R 27 simultaneously).The 7th pin of control chip IC1 also needs the collector electrode of connecting triode Q7, the grounded emitter GND of triode Q7, the end of the base stage contact resistance R31 of triode Q7, the negative pole of the other end contact resistance R33 of resistance R 31 and the negative pole of diode D10 and diode D9, the positive pole of the positive pole of diode D10 and diode D9 is connected respectively the 10th and the 9th pin of busy tone detecting control chip PHT-03.The 4th pin of busy tone detecting control chip PHT-03 need to connect DC power supply VCC(+5V).The 3rd pin of busy tone detecting control chip PHT-03 connects DC power supply VCC(+5V by resistance R 26).The 2nd pin of busy tone detecting control chip PHT-03 needs ground connection GND.
Described intelligent call end busy tone detecting is controlled the basic function of on-hook circuit realization and partly when exchanging two parties end of conversation and switch, is exported the busy-back signal that meets national regulation, busy-back signal simulated testing circuit and the precisely detection chip reception of specialty numeral simultaneously, the processing of process busy tone detecting circuit also is sent to control chip IC1, make and accurately react the control circuit on-hook, return to reset condition; As shown in Figure 4.
The 2nd pin that described intelligent dual-audio detects control chip IC1 in control circuit is connected to the 15th pin of control chip IC2 by the RC filter circuit of resistance R 100 and capacitor C 27 compositions, the 11st pin of control chip IC1 connects the 10th pin of control chip IC2, the 12nd pin of control chip IC1 connects the 11st pin of control chip IC2, the 13rd pin of control chip IC1 connects the 12nd pin of control chip IC2, the 14th pin of control chip IC1 connects the 13rd pin of control chip IC2, the 15th pin of control chip IC1 connects the 14th pin of control chip IC2.The 9th pin of control chip IC1 is connected to the base stage of triode Q8 by resistance R 20, the grounded emitter GND of triode Q8, the collector electrode of triode Q8 connects DC power supply VCC(+5V by resistance R 19).The collector electrode of triode Q8 is connected to the 2nd pin of control chip IC2 by capacitor C 17 and capacitor C 24 and resistance R 28, the 2nd pin of control chip IC2 is connected by the 3rd pin of resistance R 29 and control chip IC2.The 1st pin of control chip IC2 and the 4th pin of control chip IC2 are connected.The 18th pin of control chip IC2 is connected to the 17th pin of control chip IC2 by capacitor C 23, the 17th pin of control chip IC2 is connected to the 16th pin of control chip IC2 by resistance R 30, the 18th pin of control chip IC2 connects DC power supply VCC(+5V), the 18th pin of control chip IC2 also needs by capacitor C 22 ground connection GND simultaneously.Control chip IC2 from oscillating circuit, by crystal oscillator Y2, with capacitor C 26, with capacitor C 25, formed and the 7th pin by control chip IC2 is connected with the 8th pin.
The telephone key-press digital coding that the basic function part that described intelligent dual-audio detection control circuit is realized presses by detection is also identified by the dual-audio decoding chip, be sent to the elemental motion that control chip IC1 is judged and control other unit, realize using telephone key-press to control the purpose of opening or closing of audio-amplifying circuit; As shown in Figure 5.
Described intelligent audio amplifies and long-distance transmissions control circuit sound intermediate frequency signal is connected in circuit by meticulous adjustable potentiometer W12, the 3rd pin of meticulous adjustable potentiometer W12 is connected to the 1st pin of chip U4 by capacitor C 29, the 2nd pin of chip U4 is by resistance R 40 and capacitor C 33 ground connection GND, the 2nd pin that the 4th pin of chip U4 is connected to chip U4 by resistance R 41 simultaneously forms feedback circuit, the 3rd pin ground connection GND of chip U4.The filter circuit that DC power supply 15V forms by capacitor C 30 and electrochemical capacitor C32 is connected to the 5th pin of chip U4, the other end ground connection GND of capacitor C 30 and electrochemical capacitor C32.DC power supply 15V is connected to the 1st pin of chip U4 by resistance R 38 and resistance R 39, resistance R 37 and capacitor C 34 form filter circuit and be connected between resistance R 38 and resistance R 39.The 4th pin of chip U4 is by resistance R 42 and capacitor C 31 ground connection GND, the 4th pin of chip U4 is connected to the 1st pin of long-distance transmissions transformer T3 by electrochemical capacitor C35, the 3rd pin of long-distance transmissions transformer T3 needs ground connection GND, and the 2nd pin of long-distance transmissions transformer T3 and the 4th pin are as the output of audio signal long-distance transmissions.
The basic function part that described intelligent audio amplifies and the long-distance transmissions control circuit is realized, this circuit can be realized amplification, transmission, the broadcasting of MP3 audio signal, can also realize amplification, transmission, the broadcasting of voice signal.
IC2 can select the HT9170B chip, controls closing and opening of audio amplifier, and hangs up.
Claims (1)
1. the Based Intelligent Control testing circuit, is characterized in that: comprise that Intelligent detection circuit, intelligent off-hook conversation control circuit, intelligent call finish busy tone detecting and control on-hook circuit, intelligent dual-audio detection control circuit and intelligent audio amplification and long-distance transmissions control circuit;
The 19th pin of the operation indication of described Based Intelligent Control testing circuit and control chip IC1 in reset circuit is connected current-limiting resistance R23, the negative pole of while resistance R 23 connecting luminous diode L1, and the positive pole of diode L1 connects DC power supply VCC; The 1st pin of control chip IC1 is by resistance R 18 ground connection GND, and the 1st pin of control chip IC1 connects DC power supply VCC by capacitor C 8 simultaneously;
The 6th pin contact resistance R2 of control chip IC1 and the collector electrode of triode Q1 in described Intelligent detection circuit, the other end of resistance R 2 connects the 4th pin of DC power supply VCC and optocoupler U1, the end of the base stage contact resistance R4 of triode Q1, the other end of resistance R 4 connects the 3rd pin of optocoupler U1 and the positive pole of resistance R 3 and electrochemical capacitor C2, the negative pole of the transmitter of triode Q1 and resistance R 3 and electrochemical capacitor C2 the ground GND that allies the communists, the 2nd pin of optocoupler U1 is connected to the 1st pin of optocoupler U1 by diode D1, 1 end of telephone wire is connected to the negative pole of diode D1 and the 1st pin of optocoupler U1 by capacitor C 1, 2 ends of telephone wire are connected to the positive pole of diode D1 and the 2nd pin of optocoupler U1 by resistance R 1,
The end of the 17th pin contact resistance R24 of control chip IC1 in described intelligent off-hook conversation control circuit, the negative pole of the other end connecting luminous diode L2 of resistance R 24, the positive pole of light-emitting diode L2 connects DC power supply VCC, the end of the 17th pin contact resistance R10 of while control chip IC1, the 2nd pin of the other end optocoupler U3 of resistance R 10, and the 1st pin of optocoupler U3 connects DC power supply VCC, the end of the 4th pin contact resistance R9 of optocoupler U3, the base stage of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 9 and an end of resistance R 5, the emitter of triode Qa and triode Qb parallel connection is connected to the other end of resistance R 5 and the 2nd pin of rectifier bridge U2, the 3rd pin of optocoupler U3 connects the 4th pin of rectifier bridge U2, the 1st pin of rectifier bridge U2 and the 3rd pin are connected to 1 end and 2 ends of telephone wire, rectifier bridge U2 converts AC signal in telephone signal to direct current signal, and the collector electrode of triode Qa and triode Qb parallel connection is connected to the negative pole of voltage stabilizing didoe D2 and an end and the collector electrode of triode Q2 and an end of triode Q3 collector electrode and capacitor C 3 of resistance R 6, the 4th pin of rectifier bridge U2 and the 3rd pin of optocoupler are connected the positive pole of diode D2 and positive pole and an end of resistance R 7 and resistance R 8 and the 3rd pin of line transformer T1 of diode D3 together, the other end of resistance R 6 is connected to the base stage of triode Q2 and the negative pole of diode D3, the base stage of the emitter connecting triode Q3 of triode Q2 and the other end of resistance R 7, the other end of the emitter contact resistance R8 of triode Q3, an end of capacitor C 3 is connected to the 1st pin of line transformer T1, the 4th pin ground connection GND of line transformer, the 2nd pin of line transformer is connected to an end of capacitor C 36, the other end of capacitor C 36 connects the 5th pin of communication relay K1, the 4th pin of communication relay K1 is connected to the 2nd Pin locations of meticulous adjustable potentiometer W1, the end of the 16th pin contact resistance R21 of control chip IC1, the base stage of the other end connecting triode Q10 of resistance R 21, the emitter of triode Q10 connects the 10th pin of communication relay K1 and the positive pole of diode D7, the 1st pin of communication relay K1 and the negative pole of diode D7 are connected DC power supply VCC1, the collector electrode common ground GND of the collector electrode of triode Q10 and triode Q9, the end of the 18th pin contact resistance R22 of control chip IC1, the base stage of the other end connecting triode Q9 of resistance R 22, the emitter of triode Q9 connects the positive pole of diode D8 and the 10th pin of communication relay K2, and the 1st pin of communication relay K2 and the negative pole of diode D8 are connected DC power supply VCC1, the 9th pin of communication relay K1 and the 4th pin of communication relay K2 are connected, and the 2nd pin of communication relay K2 is MP3 out output,
Described intelligent call finishes busy tone detecting and controls in the on-hook circuit, the 7th pin of control chip IC1 connects busy tone detecting control chip PHT-03, one end of the busy tone detecting control circuit resistance R 17 of the 8th pin connecting analog of control chip IC1 and the collector electrode of triode Q5, resistance R 17 is connected DC power supply VCC jointly with resistance R 13, the 2nd pin of line transformer T1 connects 2,3 pins of meticulous adjustable resistance R11 and the 1st pin of busy tone detecting control chip PHT-03, and the 4th pin of line transformer T1 connects GND publicly, the 1st pin of meticulous adjustable resistance R11 connects an end of capacitor C 11, the base stage of capacitor C 11 other end contact resistance R12 and triode Q4, the collector electrode of the other end contact resistance R13 of resistance R 12 and capacitor C 5 and triode Q4, the other end of resistance R 13 connects DC power supply VCC, the other end of capacitor C 5 connects negative pole and the diode D6 positive pole of diode D5, the plus earth GND of diode D5, the negative pole of diode D6 connects capacitor C 6 and resistance R 14 and resistance R 15, the other end ground connection of resistance R 15, resistance R 14 the base stage of other end connecting triode Q5 and an end of resistance R 16, the other end ground connection GND of resistance R 16, the grounded emitter GND of triode Q5, the collector electrode of triode Q5 connects the 8th pin of control chip IC1,
The 7th pin of control chip IC1 connects busy tone detecting control chip PHT-03, the 7th pin of control chip IC1 is connected to the 11st pin of busy tone detecting control chip PHT-03 by resistance R 32 and resistance R 27, connect DC power supply VCC between resistance R 32 and resistance R 27 simultaneously, the 7th pin of control chip IC1 also needs the collector electrode of connecting triode Q7, the grounded emitter GND of triode Q7, the end of the base stage contact resistance R31 of triode Q7, the negative pole of the other end contact resistance R33 of resistance R 31 and the negative pole of diode D10 and diode D9, the positive pole of the positive pole of diode D10 and diode D9 is connected respectively the 10th and the 9th pin of busy tone detecting control chip PHT-03, the 4th pin of busy tone detecting control chip PHT-03 need to connect DC power supply VCC, the 3rd pin of busy tone detecting control chip PHT-03 connects DC power supply VCC by resistance R 26, the 2nd pin of busy tone detecting control chip PHT-03 needs ground connection GND,
The 2nd pin that described intelligent dual-audio detects control chip IC1 in control circuit is connected to the 15th pin of control chip IC2 by the RC filter circuit of resistance R 100 and capacitor C 27 compositions, the 11st pin of control chip IC1 connects the 10th pin of control chip IC2, the 12nd pin of control chip IC1 connects the 11st pin of control chip IC2, the 13rd pin of control chip IC1 connects the 12nd pin of control chip IC2, the 14th pin of control chip IC1 connects the 13rd pin of control chip IC2, the 15th pin of control chip IC1 connects the 14th pin of control chip IC2, the 9th pin of control chip IC1 is connected to the base stage of triode Q8 by resistance R 20, the grounded emitter GND of triode Q8, the collector electrode of triode Q8 connects DC power supply VCC by resistance R 19, the collector electrode of triode Q8 is connected to the 2nd pin of control chip IC2 by capacitor C 17 and capacitor C 24 and resistance R 28, the 2nd pin of control chip IC2 is connected by the 3rd pin of resistance R 29 and control chip IC2, the 1st pin of control chip IC2 and the 4th pin of control chip IC2 are connected, the 18th pin of control chip IC2 is connected to the 17th pin of control chip IC2 by capacitor C 23, the 17th pin of control chip IC2 is connected to the 16th pin of control chip IC2 by resistance R 30, the 18th pin of control chip IC2 connects DC power supply VCC, the 18th pin of control chip IC2 is also by capacitor C 22 ground connection GND simultaneously, control chip IC2 from oscillating circuit, by crystal oscillator Y2, with capacitor C 26, with capacitor C 25, formed and the 7th pin by control chip IC2 is connected with the 8th pin,
Described intelligent audio amplifies and long-distance transmissions control circuit sound intermediate frequency signal is connected in circuit by meticulous adjustable potentiometer W12, the 3rd pin of meticulous adjustable potentiometer W12 is connected to the 1st pin of chip U4 by capacitor C 29, the 2nd pin of chip U4 is by resistance R 40 and capacitor C 33 ground connection GND, the 2nd pin that the 4th pin of chip U4 is connected to chip U4 by resistance R 41 simultaneously forms feedback circuit, the 3rd pin ground connection GND of chip U4, the filter circuit that DC power supply 15V forms by capacitor C 30 and electrochemical capacitor C32 is connected to the 5th pin of chip U4, the other end ground connection GND of capacitor C 30 and electrochemical capacitor C32, DC power supply is connected to the 1st pin of chip U4 by resistance R 38 and resistance R 39, resistance R 37 and capacitor C 34 form filter circuit and are connected between resistance R 38 and resistance R 39, the 4th pin of chip U4 is by resistance R 42 and capacitor C 31 ground connection GND, the 4th pin of chip U4 is connected to the 1st pin of transformer T3 by electrochemical capacitor C35, the 3rd pin of transformer T3 needs ground connection GND, the 2nd pin of transformer T3 and the 4th pin are as the output of audio signal long-distance transmissions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320416856.8U CN203377945U (en) | 2013-07-15 | 2013-07-15 | Intelligent control and detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320416856.8U CN203377945U (en) | 2013-07-15 | 2013-07-15 | Intelligent control and detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377945U true CN203377945U (en) | 2014-01-01 |
Family
ID=49840445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320416856.8U Withdrawn - After Issue CN203377945U (en) | 2013-07-15 | 2013-07-15 | Intelligent control and detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347231A (en) * | 2013-07-15 | 2013-10-09 | 河南恒安通信设备有限责任公司 | Intelligent controlling detection circuit |
| CN106597952A (en) * | 2016-12-27 | 2017-04-26 | 东莞市狮王安防科技有限公司 | Communication base station active tear controller |
-
2013
- 2013-07-15 CN CN201320416856.8U patent/CN203377945U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347231A (en) * | 2013-07-15 | 2013-10-09 | 河南恒安通信设备有限责任公司 | Intelligent controlling detection circuit |
| CN103347231B (en) * | 2013-07-15 | 2016-03-16 | 河南恒安通信设备有限责任公司 | Based Intelligent Control testing circuit |
| CN106597952A (en) * | 2016-12-27 | 2017-04-26 | 东莞市狮王安防科技有限公司 | Communication base station active tear controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202798812U (en) | Intelligent household security system based on 3G cell phone control | |
| CN203377945U (en) | Intelligent control and detection circuit | |
| CN103347231B (en) | Based Intelligent Control testing circuit | |
| CN206506653U (en) | A kind of bluetooth earphone and the control circuit for bluetooth earphone | |
| CN201213281Y (en) | Picking/hanging detection circuit for telephone set | |
| CN203645668U (en) | Bluetooth device | |
| CN205283833U (en) | Wireless access gateway equipment of synthesizing of integrated doorbell suggestion | |
| CN204887148U (en) | Oldmanphone with automatically, answer function | |
| CN210694073U (en) | Called detection and calling ringing circuit of level trigger interphone | |
| CN203492082U (en) | Telephone synchronous bell device | |
| CN201080737Y (en) | Electronic lock telephone remote controlling device | |
| CN203574729U (en) | Teleconference coupler | |
| CN206195776U (en) | Electronic equipment and electronic component thereof | |
| CN204667489U (en) | A kind of building speakerphone and the integrated coordinated control system of elevator entrance guard | |
| CN207008312U (en) | A kind of wireless telecommunications intelligent home control system | |
| CN206433118U (en) | Bluetooth Magnetic sucking switch controls circuit | |
| CN202334809U (en) | Telephone intercom system | |
| CN203377935U (en) | Circuit board of mine telephone | |
| CN201430600Y (en) | Telephone set | |
| CN203896542U (en) | Telephone controlled lighting device | |
| CN2185958Y (en) | Intercom by using broadcasting line communication | |
| CN103108258A (en) | Telephone intercom system | |
| CN206421324U (en) | A kind of computer communication automatic power switch | |
| CN203406933U (en) | Telephone remote-control voice-prompt device | |
| CN206323418U (en) | A kind of controller for telephone set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |