CN2750596Y - Scheduling and instructing subset - Google Patents
Scheduling and instructing subset Download PDFInfo
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- CN2750596Y CN2750596Y CN 200420113579 CN200420113579U CN2750596Y CN 2750596 Y CN2750596 Y CN 2750596Y CN 200420113579 CN200420113579 CN 200420113579 CN 200420113579 U CN200420113579 U CN 200420113579U CN 2750596 Y CN2750596 Y CN 2750596Y
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Abstract
The utility model relates to a scheduling and instructing subset, which is particularly suitable to be used for production scheduling commanding on the spots of wide working fields, strong property of flow production, loud noise and bad environments. The utility model is formed by the connection of a ringing current detection circuit, a control starting circuit, a power amplification circuit, a computer operator circuit, a telephone off-hook detection circuit, a power supply circuit, a busy tone detection circuit and a pulse time delay counting control circuit. By utilizing the utility model, a host machine not only has a scheduling function, but also has the characteristic of instructing sound amplification. Compared with the end office power amplifier in the market, the utility model enables a calling party to speak through a loudspeaker for a long time; the starting of power amplification is fast; the time needed by the calling party to cut off the loudspeaker is short when nobody answers.
Description
Technical field
The utility model is a kind of departments such as oil, chemical industry, metallurgy, machinery, mine, electric power, harbour that are widely used in.Especially be suitable for the production scheduling command scheduling instruction extension set at the scene that the work-yard is open, continuous productive process is strong, hot-tempered sound is big, environment is abominable.
Background technology
Existing dispatcher function singleness does not have the characteristics that instruction amplifies.Its end office's power amplifier can only be talked caller the short period by loud speaker, it is slower to start power amplifier, and The Calling Party Hooks On that to cut off the loud speaker time longer for the ring unanswered, and end office's power amplifier will could start power amplifier through 3-5 sound ringing-current sound and call out.
Summary of the invention
The purpose of this utility model is, solves above-mentioned existing in prior technology problem, and a kind of scheduling feature that promptly has is provided, and has the Scheduling and instructing subset of the characteristics that amplify of instruction again.
The utility model is achieved in that and comprises that bell flowing detecting circuit, control start-up circuit, power amplification circuit, direct inward dialing to extension autom circuit, receiver off-book testing circuit, power circuit, busy tone testing circuit, pulse delay count control circuit connect and compose.
The utility model has the advantages that it has the function of instruction, promptly can be for a long time by the loud speaker speech, according to " practicality amplify technology ", standard Chinese has six main vowels, i.e. a, o, e, i, integrated circuit U, ü.General vowel has 67 formants, needs 2-3 formants but distinguish different vowels.Therefore the vowel spectral characteristic can simply be described with two formants.Mandarin vowel formant rate such as following table are listed:
Mandarin vowel formant rate
| Speaker | Vowel | Fundamental tone/Hz | F1/Hz | F2/Hz | F3/Hz |
| The man | i | 210 | 290 | 2360 | 3570 |
| Integrated circuit U | 210 | 380 | 440 | 3660 | |
| ü | 210 | 290 | 2160 | 3460 | |
| a | 200 | 1000 | 1160 | 3120 |
| o | 210 | 530 | 670 | 3310 | |
| e | 210 | 540 | 1040 | 3170 | |
| è | 210 | 480 | 2240 | 3470 | |
| [resistance R] | 210 | 380 | 1380 | 3020 | |
| [1] | 220 | 390 | 1820 | 2600 | |
| The e resistance R | 200 | 540 | 1600 | 3270 | |
| The woman | i | 320 | 320 | 2890 | 3780 |
| Integrated circuit U | 320 | 420 | 650 | 3120 | |
| ü | 320 | 320 | 2580 | 3700 | |
| a | 320 | 1280 | 1350 | 2830 | |
| o | 320 | 720 | 930 | 2970 | |
| e | 310 | 750 | 1220 | 3030 | |
| è | 310 | 610 | 2480 | 3510 | |
| [resistance R] | 320 | 420 | 1630 | 3130 | |
| [l] | 320 | 370 | 2180 | 3210 | |
| The e resistance R | 310 | 730 | 1730 | 3420 | |
| Children | i | 390 | 390 | 3240 | 4260 |
| Integrated circuit U | 400 | 560 | 810 | 4340 | |
| ü | 400 | 400 | 2730 | 4250 | |
| a | 400 | 1190 | 1290 | 3650 | |
| o | 400 | 850 | 1020 | 3580 | |
| e | 410 | 880 | 1040 | 4100 | |
| è | 400 | 750 | 2560 | 3800 | |
| [resistance R] | 420 | 440 | 1730 | 3920 | |
| [l] | 410 | 410 | 2380 | 3870 | |
| The e resistance R | 410 | 750 | 1780 | 4050 |
The probability that occurs 450Hz as can be seen from the above table in people's the voice signal is very little.According to " public address know-why and application thereof ", the particular importance during transition of sound event, the initial sound last or end syllable of voice shows that its transient time is very brief especially, about 2-40ms, vowel continues 50-300ms, but very big in this period spectral change.
Utilize above-mentioned characteristic, when talking by loud speaker, LM567 must detect the pulse of two 450Hz, integrated circuit U6 could provide chip selection signal for integrated circuit U7, the at this time integrated circuit U6 zero clearing that resets itself, integrated circuit U7 begins counting, the time of counting is 2.3 seconds, in these 2.3 seconds, the pulse of five 450Hz that can not be continuous, then integrated circuit U7 no-output, because delay circuit is arranged, surpass 2.3 seconds integrated circuit U7 and quit work, the zero clearing that self resets, this moment, integrated circuit U6 started working again, wait has pulse to occur, integrated circuit U6 and the integrated circuit U7 alternation again and again that comes to this reaches voice and does not go offline in a minute, can talk for a long time.
Description of drawings
Fig. 1 is a block diagram of the present utility model
Fig. 2 is the utility model line map;
Embodiment
Describe in detail below in conjunction with accompanying drawing: as shown in the figure, comprise that bell flowing detecting circuit, control start-up circuit, power amplification circuit, direct inward dialing to extension autom circuit, receiver off-book testing circuit, power circuit, busy tone testing circuit, pulse delay count control circuit connect and compose.
1, said bell flowing detecting circuit comprises that binding post X1, binding post X2, relay J K1, resistance R 1, rectifier bridge B1, integrated circuit U2 (4N35), diode D1 connect to form.
Its middle connecting terminal X1-1 connects relay J K1-2; Relay J K1-3 connects resistance R 1-1; Rectifier bridge B1-4 connects integrated circuit U2 (4N35)-2; Binding post X1-2 connects relay J K1-5; Resistance R 1-2 connects rectifier bridge B1-1; Rectifier bridge B1-4 connects integrated circuit U2 (4N35)-1; Binding post X2-1 connects relay J K1-4; Relay J K1-6 connects rectifier bridge B1-3; Integrated circuit U2 (4N35)-5 connects positive supply; Binding post X2-2 connects relay J K1-1; Relay J K1-7 ground connection, integrated circuit U2 (4N35)-4 connect resistance R 2-1; Relay J K1-7 is just connecting diode D1-; Integrated circuit U2-4 connects integrated circuit U3 (4013)-6, relay J K1-8 and connects positive supply; Resistance R 2-2 connects ground; The negative positive supply that connects of diode D1-; Resistance R 2-2 connects integrated circuit U3-3.
When no 220V power supply, relay J K1 is failure to actuate, and scheduling refers to that extension set is the same with plain old telephone, when phone is called out it, the ringing signal of sending here from main frame enters binding post X1 through the normally-closed contact of binding post X2, relay J K1, this extension set normal ringer.
When the 220V power supply, voltage is provided for relay J K1 by power circuit, relay J K1 action, the ringing signal of sending here from main frame arrives rectifier bridge B1 through the normally opened contact of relay J K1, through rectifier bridge B1 rectification, 1 pin and 2 pin that output to integrated circuit U2 (4N35) from 2 pin and 4 pin of rectifier bridge B1, then 4 pin of integrated circuit U2 (4N35) output high level.
2, said control start-up circuit comprises that integrated circuit U3, integrated circuit U12A, resistance R 3, resistance R 4, resistance R 5, resistance R 6, triode Q1, triode Q2, diode D3, relay J K2, relay J K3 connect to form.
Wherein integrated circuit U3-1 connects resistance R 3-1; Triode Q2-c is just connecting relay J K2-7, diode D3-; Resistance R 4-2 connects ground; Resistance R 5-2 connects triode Q2-b, resistance R 6-1; Resistance R 5-1 connects ground; Integrated circuit U3-2 connects integrated circuit U12A-3, integrated circuit U9-23, resistance R 29-1; Resistance R 6-2 connects integrated circuit U12A-2; Relay J K2-8 connects positive supply, diode D3-is negative; Triode Q1-c is just connecting relay J K3-6, diode D7-; Integrated circuit U3-4 connection diode D2-is negative, capacitor C 1-1, diode D9-are negative; Triode Q1-e connects triode Q2-e, ground connection; Resistance R 3-2 connects resistance R 4-1, triode Q1-b.
The S end of the high level control integrated circuit U3 of 4 pin of integrated circuit U2 (4N35) output in the bell flowing detecting circuit, D holds upset, the Q end is high level, makes triode Q1 conducting, relay J K3 action, the 2 pin C of integrated circuit U3 are low level, make triode Q2 conducting through not gate (4049), relay J K2 action starts power amplifier, provide a low level, direct inward dialing to extension autom play cuing voice for simultaneously 23 pin of direct inward dialing to extension autom.
3, said power amplification circuit comprises that integrated circuit U4, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 7, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, binding post X4, binding post X9, loud speaker LS, LED connect to form.
Wherein integrated circuit U4-1 (LM3886TF) connects relay J K3-2, resistance R 9-1; Resistance R 9-2 connection LED-just; Integrated circuit U4-10 connects potentiometer W1-centre cap, capacitor C 4-1; Potentiometer W1-1 connects resistance R 8-1; Integrated circuit U4-4 connects resistance R 10-1, LED-negative, relay J K 3-4; Resistance resistance R 8-2 connects capacitor C 2-1; Integrated circuit U4-3 connects resistance resistance R 15-1, capacitor C 6-1, resistance R 12-1, binding post X9-1; Capacitor C 2-2 connects relay J K2-3, resistance R 7-1; Relay J K2-6 connects resistance R 7-2, capacitor C 3-1; Integrated circuit U4-9 is just connecting resistance R 12-2, capacitor C 7-; Capacitor C 6-2 connects resistance R 11-2; Negative integrated circuit U9-14, resistance R 13-2 resistance R 8-2, the capacitor C 2-2 of connecting of capacitor C 7-; Capacitor C 3-2 connects that potentiometer W1-2, integrated circuit U9-2, integrated circuit U4-7, capacitor C 17-are negative, capacitor C 18-just, capacitor C 5-just, resistance R 11-1, resistance R 13-1, binding post X9-1, ground connection.
Power amplification circuit is mainly finished by integrated circuit U4 (LM3886TF).1 pin of U4,5 pin positive supplies; The output of 3 pin; 4 pin negative supplies; 7 pin ground connection; The output of 8 pin noise eliminations; The input of 9 pin signals is negative; The input of 10 pin signals just.Because relay J K2 action on the resistance resistance R 7 resistance cross-over connection A rectifier bridge B lines, is cut off ringing-current.Voice signal is through the normally opened contact of binding post X4, relay J K2, be coupled to the input port of power amplifier LM3886 through capacitor C 2, capacitor C 3, potentiometer potentiometer W1 adjusts the size of input signal, thus the size of control power output, the just size of loudspeaker sound.
4, said direct inward dialing to extension autom circuit comprises that integrated circuit U9 (ISD1420), capacitor C 25, capacitor C 26, capacitor C 27, resistance R 29, resistance R 30, resistance R 31 connect to form.
Wherein power supply VCC connects integrated circuit U9-28, integrated circuit U9-16, capacitor C 25-1, resistance R 29-1; Resistance R 29-2 connects integrated circuit U9-23; Integrated circuit U9-14 connects capacitor C 2-2; Integrated circuit U9-15 connects capacitor C 3-2; Integrated circuit U9-20 connects capacitor C 26-1; Capacitor C 26-2 connects resistance R 30-1; Resistance R 30-2 connects integrated circuit U9-21; Integrated circuit U9-19 is just connecting resistance R 31-1, capacitor C 27-; Integrated circuit U9-1,2,3,4,5,6,9,10,26,12,13, capacitor C 25-2, the negative ground connection of resistance R 31-2, capacitor C 27-.
When the ringing-current audio signal, start power amplifier, start direct inward dialing to extension autom simultaneously, give the cue of caller sending voice, this machine loud speaker also has the output of voice suggestion sound simultaneously.Can different voice signals be set according to customer requirements.
5, said phone off-hook detection circuit comprises that binding post X3, integrated circuit U1 (4N35), resistance R 14, diode D2, capacitor C 1 connect to form.
Its middle connecting terminal X3-2 connects integrated circuit U1-1; Binding post X3-1 connects integrated circuit U1-2; Integrated circuit U1-5 connects power supply VCC; Integrated circuit U1-4 is just connecting resistance R 14-1, diode D2-; The negative connection of diode D2-capacitor C 1-1, integrated circuit U3A-4, resistance R 14-2 connect capacitor C 1-2, ground connection.
The bright integrated circuit U1 that gives provides the signal of telecommunication by the receiver off-book indicator light, then 4 pin of integrated circuit U1 have high level to give 4 pin of integrated circuit U3A through diode D2, triode Q1, triode Q2 end so, and relay J K2, relay J K3 restore, and cut off loud speaker output.
6, said power circuit comprises that coil L, rectifier bridge B2, rectifier bridge B3, rectifier bridge B4, capacitor C 17, capacitor C 18, capacitor C 19, capacitor C 20, capacitor C 21, capacitor C 22, capacitor C 23, integrated circuit U10 (MC78M24CT), integrated circuit U11 (LM7805CT) connect to form.
Wherein rectifier bridge B2, capacitor C 17, capacitor C 18 provide positive-negative power for the LM3886 of power amplification circuit; Rectifier bridge B3, capacitor C 19, capacitor C 20, integrated circuit U10 provide coil power for relay J K3; Rectifier bridge B4, capacitor C 21, capacitor C 22, capacitor C 23, integrated circuit U11 provide power supply for each control circuit.
7, said busy tone testing circuit comprises that resistance R 15, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, resistance R 21, integrated circuit U12, rectifier bridge B, resistance R 22, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, potentiometer W2, triode Q3, triode Q4, integrated circuit U5 (LM567) connect to form.
Wherein resistance R 15-1 connects integrated circuit U4-3; Resistance R 15-2 connects capacitor C 8-1; Resistance R 17-2 connects triode Q4-e, ground connection; Capacitor C 8-2 connects resistance R 16-1, triode Q4-b, resistance R 17-1; Resistance R 18-2 connects capacitor C 11-1; Resistance R 16-2 connects resistance R 19-2, integrated circuit U5-4, power supply VCC; Capacitor C 11-2 connects integrated circuit U5-3; Triode Q4-c connects resistance R 19-1, resistance R 18-1; Integrated circuit U5-2 is just connecting capacitor C 10-; Resistance R 22-2 connects triode Q3-c; Integrated circuit U5-1 is just connecting capacitor C 9-; Negative, the ground connection of the negative connection of capacitor C 9-capacitor C 10-; Potentiometer W2-1 connects integrated circuit U5-5; Resistance R 20-1 connects resistance R 22-1, power supply VCC; Resistance R 20-2 is just connecting integrated circuit U5-8, diode D4-; The negative triode Q3-b that connects of diode D4-; Triode Q3-e connects integrated circuit U5-7, capacitor C 12-2 ground connection; Integrated circuit U5-6 connects capacitor C 12-1, resistance R 21-1; Resistance R 21-2 connects potentiometer W2-2,3.
Busy-back signal passes through 15 step-downs of resistance resistance R through the 3 pin output of integrated circuit U4, be coupled to the base stage of triode Q4 by capacitor C 8, amplify through triode Q4 signal, be coupled to the input (3 pin) of tone decoder LM567 through capacitor C 11 by collector electrode output, then 8 pin are output as low level, triode Q3 current collection is high level very, so just busy tone has been detected.5,6 pin of LM567 are phase-locked centre frequency, and we are decided to be 450HZ to frequency by transferring potentiometer here.
8, said pulse delay count control circuit comprises integrated circuit U12C (4049), integrated circuit U12D, integrated circuit U12B, integrated circuit U6 (4017), integrated circuit U7 (4017), integrated circuit U8 (NE555), toggle switch S1, S2, capacitor C 24, resistance R 27, diode D8, diode D9, resistance R 28, capacitor C 13, resistance R 24, resistance R 23, capacitor C 14, diode D5, diode D6, resistance R 25, capacitor C 15, capacitor C 16, resistance R 26 connects to form.
Wherein triode Q3-c connects integrated circuit U12C-7; Integrated circuit U12C-6 connects integrated circuit U6-14, integrated circuit U7-14; Integrated circuit U6-13 ground connection; Negative, the resistance R 24-1 of integrated circuit U6-15 connection capacitor C 13-; Capacitor C 13-is just connecting power supply VCC; It is negative that resistance R 24-2 connects resistance R 25-1, diode D5-; Resistance R 25-2 ground connection; Diode D5-just connecting diode D6-just, integrated circuit U8-3; Integrated circuit U6-2 connects toggle switch S1-1; Integrated circuit U6-4 connects toggle switch S1-2; Integrated circuit U6-7 connects toggle switch S1-3; Integrated circuit U6-10 connects toggle switch S1-4; Toggle switch S1-5,6,7,8 connects resistance R 23-1; Resistance R 23-2 is just connecting integrated circuit U12B-5, capacitor C 14-; Integrated circuit U12B-4 connects integrated circuit U8-2; Integrated circuit U8-5 connects capacitor C 15-1; Integrated circuit U8-4 connects integrated circuit U8-8, resistance R 26-2, power supply VCC; Capacitor C 14-is negative to connect that capacitor C 15-2, capacitor C 16-are negative, integrated circuit U8-1, ground connection; Resistance resistance R 26-1 is just connecting integrated circuit U8-7, integrated circuit U8-6, capacitor C 16-; The negative integrated circuit U12D-9 that connects of utmost point pipe D6-; Integrated circuit U12D-10 connects integrated circuit U7-13; Negative, the resistance R 27-1 of integrated circuit U7-15 connection capacitor C 24-; Capacitor C 24-is just connecting power supply VCC; It is negative that resistance R 27-2 connects diode D8-; The negative integrated circuit U3A-4 that connects of diode D9-;-utmost point pipe D8-is just connecting diode D9-positive resistance R28-2; Integrated circuit U7-2 connects S2-1; Integrated circuit U7-4 connects S2-2; Integrated circuit U7-7 connects toggle switch S2-3; Integrated circuit U7-10 connects toggle switch S2-4; Integrated circuit U7-1 connects toggle switch S2-5; Integrated circuit U7-5 connects toggle switch S2-6; Integrated circuit U7-6 connects toggle switch S2-7; Integrated circuit U7-9 connects toggle switch S2-8; Toggle switch S2-9,10,11,12,13,14,15,16 connects resistance R 28-1.
When The Calling Party Hooks On, solving busy-back signal (low level) through the busy tone testing circuit exports anti-phase through integrated circuit U12C (4049) by triode Q3, give integrated circuit U6 (4017), the 14 pin clock pulse signals of integrated circuit U7 (4017), make integrated circuit U6 begin counting, 2 pin with toggle switch S1 push " ON " end in advance, 5 pin of integrated circuit U12B are high level, 2 pin of integrated circuit U8 are low level, integrated circuit U8 (NE555) is a delay circuit, 3 pin of integrated circuit U8 are high level, and high level is held time 2.3 seconds (by potentiometer W3, capacitor C 16 decisions) just in time can make 4 pulses of integrated circuit U7 note.The high level one tunnel of 3 pin of integrated circuit U8 provides reset signal for 15 pin of integrated circuit U6, makes integrated circuit U6 output whole clear 0; Another road is through diode D6, integrated circuit U12D provides chip selection signal for integrated circuit U7,13 pin that make integrated circuit U7 are low level, integrated circuit U7 begins counting, integrated circuit U7 output Q is a high level, 4 pin with toggle switch S2 push " ON " end in advance, Q end high level is through resistance R 28, diode D8, resistance R 27 is given integrated circuit U7 the zero clearing that resets, high level is provided for 4 pin of integrated circuit U3A through diode D9 simultaneously, make the Q end of integrated circuit U3A be low level, 2 pin of integrated circuit U3A are high level, relay J K2, relay J K3 moves recovery, cuts off loud speaker output.
Claims (9)
1, a kind of production scheduling command scheduling instruction extension set that especially is suitable for the scene that the work-yard is open, continuous productive process is strong, hot-tempered sound is big, environment is abominable, it is characterized in that, comprise that bell flowing detecting circuit, control start-up circuit, power amplification circuit, direct inward dialing to extension autom circuit, receiver off-book testing circuit, power circuit, busy tone testing circuit, pulse delay count control circuit connect and compose.
2, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said bell flowing detecting circuit comprises that binding post X1, binding post X2, relay J K1, resistance R 1, rectifier bridge B1, integrated circuit U2 (4N35), diode D1 connect to form;
Its middle connecting terminal X1-1 connects relay J K1-2; Relay J K1-3 connects resistance R 1-1; Rectifier bridge B1-4 connects integrated circuit U2 (4N35)-2; Binding post X1-2 connects relay J K1-5; Resistance R 1-2 connects rectifier bridge B1-1; Rectifier bridge B1-4 connects integrated circuit U2 (4N35)-1; Binding post X2-1 connects relay J K1-4; Relay J K1-6 connects rectifier bridge B1-3; Integrated circuit U2 (4N35)-5 connects positive supply; Binding post X2-2 connects relay J K1-1; Relay J K1-7 ground connection, integrated circuit U2 (4N35)-4 connect resistance R 2-1; Relay J K1-7 is just connecting diode D1-; Integrated circuit U2-4 connects integrated circuit U3 (4013)-6, relay J K1-8 and connects positive supply; Resistance R 2-2 connects ground; The negative positive supply that connects of diode D1-; Resistance R 2-2 connects integrated circuit U3-3.
3, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said control start-up circuit comprises that integrated circuit U3, integrated circuit U12A, resistance R 3, resistance R 4, resistance R 5, resistance R 6, triode Q1, triode Q2, diode D3, relay J K2, relay J K3 connect to form;
Wherein integrated circuit U3-1 connects resistance R 3-1; Triode Q2-c is just connecting relay J K2-7, diode D3-; Resistance R 4-2 connects ground; Resistance R 5-2 connects triode Q2-b, resistance R 6-1; Resistance R 5-1 connects ground; Integrated circuit U3-2 connects integrated circuit U12A-3, integrated circuit U9-23, resistance R 29-1; Resistance R 6-2 connects integrated circuit U12A-2; Relay J K2-8 connects positive supply, diode D3-is negative; Triode Q1-c is just connecting relay J K3-6, diode D7-; Integrated circuit U3-4 connection diode D2-is negative, capacitor C 1-1, diode D9-are negative; Triode Q1-e connects triode Q2-e, ground connection; Resistance R 3-2 connects resistance R 4-1, triode Q1-b.
4, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said power amplification circuit comprises that integrated circuit U4, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 7, resistance R 7, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13, binding post X4, binding post X9, loud speaker LS, LED connect to form.
Wherein integrated circuit U4-1 (LM3886TF) connects relay J K3-2, resistance R 9-1; Resistance R 9-2 connection LED-just; Integrated circuit U4-10 connects potentiometer W1-centre cap, capacitor C 4-1; Potentiometer W1-1 connects resistance R 8-1; Integrated circuit U4-4 connects resistance R 10-1, LED-negative, relay J K3-4; Resistance resistance R 8-2 connects capacitor C 2-1; Integrated circuit U4-3 connects resistance resistance R 15-1, capacitor C 6-1, resistance R 12-1, binding post X9-1; Capacitor C 2-2 connects relay J K2-3, resistance R 7-1; Relay J K2-6 connects resistance R 7-2, capacitor C 3-1; Integrated circuit U4-9 is just connecting resistance R 12-2, capacitor C 7-; Capacitor C 6-2 connects resistance R 11-2; Negative integrated circuit U9-14, resistance R 13-2 resistance R 8-2, the capacitor C 2-2 of connecting of capacitor C 7-; Capacitor C 3-2 connects that potentiometer W1-2, integrated circuit U9-2, integrated circuit U4-7, capacitor C 17-are negative, capacitor C 18-just, capacitor C 5-just, resistance R 11-1, resistance R 13-1, binding post X9-1, ground connection.
According to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that 5, said direct inward dialing to extension autom circuit comprises that integrated circuit U9 (ISD1420), capacitor C 25, capacitor C 26, capacitor C 27, resistance R 29, resistance R 30, resistance R 31 connect to form;
Wherein power supply VCC connects integrated circuit U9-28, integrated circuit U9-16, capacitor C 25-1, resistance R 29-1; Resistance R 29-2 connects integrated circuit U9-23; Integrated circuit U9-14 connects capacitor C 2-2; Integrated circuit U9-15 connects capacitor C 3-2; Integrated circuit U9-20 connects capacitor C 26-1; Capacitor C 26-2 connects resistance R 30-1; Resistance R 30-2 connects integrated circuit U9-21; Integrated circuit U9-19 is just connecting resistance R 31-1, capacitor C 27-; Integrated circuit U9-1,2,3,4,5,6,9,10,26,12,13, capacitor C 25-2, the negative ground connection of resistance R 31-2, capacitor C 27-.
According to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that 6, said phone off-hook detection circuit comprises that binding post X3, integrated circuit U1 (4N35), resistance R 14, diode D2, capacitor C 1 connect to form;
Its middle connecting terminal X3-2 connects integrated circuit U1-1; Binding post X3-1 connects integrated circuit U1-2; Integrated circuit U1-5 connects power supply VCC; Integrated circuit U1-4 is just connecting resistance R 14-1, diode D2-; The negative connection of diode D2-capacitor C 1-1, integrated circuit U3A-4, resistance R 14-2 connect capacitor C 1-2, ground connection.
7, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said power circuit comprises that coil L, rectifier bridge B2, rectifier bridge B3, rectifier bridge B4, capacitor C 17, capacitor C 18, capacitor C 19, capacitor C 20, capacitor C 21, capacitor C 22, capacitor C 23, integrated circuit U10 (MC78M24CT), integrated circuit U11 (LM7805CT) connect to form;
Wherein rectifier bridge B2, capacitor C 17, capacitor C 18 provide positive-negative power for the LM3886 of power amplification circuit; Rectifier bridge B3, capacitor C 19, capacitor C 20, integrated circuit U10 provide coil power for relay J K3; Rectifier bridge B4, capacitor C 21, capacitor C 22, capacitor C 23, integrated circuit U11 provide power supply for each control circuit.
8, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said busy tone testing circuit comprises that resistance R 15, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, resistance R 21, integrated circuit U12, rectifier bridge B, resistance R 22, capacitor C 8, capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, potentiometer W2, triode Q3, triode Q4, integrated circuit U5 (LM567) connect to form;
Wherein resistance R 15-1 connects integrated circuit U4-3; Resistance R 15-2 connects capacitor C 8-1; Resistance R 17-2 connects triode Q4-e, ground connection; Capacitor C 8-2 connects resistance R 16-1, triode Q4-b, resistance R 17-1; Resistance R 18-2 connects capacitor C 11-1; Resistance R 16-2 connects resistance R 19-2, integrated circuit U5-4, power supply VCC; Capacitor C 11-2 connects integrated circuit U5-3; Triode Q4-c connects resistance R 19-1, resistance R 18-1; Integrated circuit U5-2 is just connecting capacitor C 10-; Resistance R 22-2 connects triode Q3-c; Integrated circuit U5-1 is just connecting capacitor C 9-; Negative, the ground connection of the negative connection of capacitor C 9-capacitor C 10-; Potentiometer W2-1 connects integrated circuit U5-5; Resistance R 20-1 connects resistance R 22-1, power supply VCC; Resistance R 20-2 is just connecting integrated circuit U5-8, diode D4-; The negative triode Q3-b that connects of diode D4-; Triode Q3-e connects integrated circuit U5-7, capacitor C 12-2 ground connection; Integrated circuit U5-6 connects capacitor C 12-1, resistance R 21-1; Resistance R 21-2 connects potentiometer W2-2,3.
9, according to the said a kind of Scheduling and instructing subset of claim 1, it is characterized in that said pulse delay count control circuit comprises integrated circuit U12C (4049), integrated circuit U12D, integrated circuit U12B, integrated circuit U6 (4017), integrated circuit U7 (4017), integrated circuit U8 (NE555), toggle switch S1, S2, capacitor C 24, resistance R 27, diode D8, diode D9, resistance R 28, capacitor C 13, resistance R 24, resistance R 23, capacitor C 14, diode D5, diode D6, resistance R 25, capacitor C 15, capacitor C 16, resistance R 26 connects to form;
Wherein triode Q3-c connects integrated circuit U12 C-7; Integrated circuit U12 C-6 connects integrated circuit U6-14, integrated circuit U7-14; Integrated circuit U6-13 ground connection; Negative, the resistance R 24-1 of integrated circuit U6-15 connection capacitor C 13-; Capacitor C 13-is just connecting power supply VCC; It is negative that resistance R 24-2 connects resistance R 25-1, diode D5-; Resistance R 25-2 ground connection; Diode D5-just connecting diode D6-just, integrated circuit U8-3; Integrated circuit U6-2 connects toggle switch S1-1; Integrated circuit U6-4 connects toggle switch S1-2; Integrated circuit U6-7 connects toggle switch S1-3; Integrated circuit U6-10 connects toggle switch S1-4; Toggle switch S1-5,6,7,8 connects resistance R 23-1; Resistance R 23-2 is just connecting integrated circuit U12 B-5, capacitor C 14-; Integrated circuit U12 B-4 connects integrated circuit U8-2; Integrated circuit U8-5 connects capacitor C 15-1; Integrated circuit U8-4 connects integrated circuit U8-8, resistance R 26-2, power supply VCC; Capacitor C 14-is negative to connect that capacitor C 15-2, capacitor C 16-are negative, integrated circuit U8-1, ground connection; Resistance resistance R 26-1 is just connecting integrated circuit U8-7, integrated circuit U8-6, capacitor C 16-; The negative integrated circuit U12 D-9 that connects of utmost point pipe D6-; Integrated circuit U12 D-10 connects integrated circuit U7-13; Negative, the resistance R 27-1 of integrated circuit U7-15 connection capacitor C 24-; Capacitor C 24-is just connecting power supply VCC; It is negative that resistance R 27-2 connects diode D8-; The negative integrated circuit U3A-4 that connects of diode D9-; Diode D8-is just connecting diode D9-positive resistance R28-2; Integrated circuit U7-2 connects S2-1; Integrated circuit U7-4 connects S2-2; Integrated circuit U7-7 connects toggle switch S2-3; Integrated circuit U7-10 connects toggle switch S2-4; Integrated circuit U7-1 connects toggle switch S2-5; Integrated circuit U7-5 connects toggle switch S2-6; Integrated circuit U7-6 connects toggle switch S2-7; Integrated circuit U7-9 connects toggle switch S2-8; Toggle switch S2-9,10,11,12,13,14,15,16 connects resistance R 28-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420113579 CN2750596Y (en) | 2004-11-19 | 2004-11-19 | Scheduling and instructing subset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420113579 CN2750596Y (en) | 2004-11-19 | 2004-11-19 | Scheduling and instructing subset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2750596Y true CN2750596Y (en) | 2006-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420113579 Expired - Fee Related CN2750596Y (en) | 2004-11-19 | 2004-11-19 | Scheduling and instructing subset |
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| Country | Link |
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| CN (1) | CN2750596Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272420B (en) * | 2007-03-22 | 2011-08-24 | 中兴通讯股份有限公司 | Busy tone detecting method and apparatus |
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2004
- 2004-11-19 CN CN 200420113579 patent/CN2750596Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272420B (en) * | 2007-03-22 | 2011-08-24 | 中兴通讯股份有限公司 | Busy tone detecting method and apparatus |
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