CN2276232Y - Automatic telephone recorder with computer - Google Patents

Abstract

The utility model relates to an automatic telephone recording radio recorder with a computer, which is structurally characterized in that the automatic telephone recording radio recorder comprises a computer, a coupling circuit, a ringing detection circuit, a voice circuit, a control circuit and a power supply circuit besides the radio recorder, wherein the input end of the computer is connected with the coupling circuit through the ringing detection circuit, the coupling circuit, and the output end of the computer is respectively connected with the coupling circuit and the motor of the radio recorder through the voice circuit and the control circuit. The utility model discloses simple structure, low cost, safe and reliable can carry out two-way recording, has functions such as recording monitoring and recording instruction, extensively is applicable to the telephone subscriber of each stratum.

Description

Automatic telephone recorder with computer

The utility model relates to a telephone recorder, in particular to an automatic telephone recorder with a computer.

Most of the telephone recorders/device of the prior art are complex in structure, high in cost, single in function, short in talk time, and inconvenient to use. For example; the authorized announcement number is CW2132356Y, which discloses a utility model patent called a full-automatic telephone recorder, which is composed of circuits such as collection, counting and decoding, amplification drive, sound playback, and decoding, and a recorder. When making a phone call, it automatically records the call content of the other party, but this utility model is mainly composed of electronic components such as counters, phase lockers, triodes and relays. The structure is complex, the call time is limited, and the service life is not long, and the performance is unstable. , two-way recording is not possible.

The purpose of this utility model is to provide an automatic telephone recorder with a computer. The recorder is simple in structure, low in cost, capable of two-way recording, and has the functions of recording monitoring and recording indication.

The purpose of this utility model can be achieved by taking the following measures: a kind of automatic telephone recording recorder with a computer, including a recorder 1, and its structural characteristics are: it also includes a computer 2, a coupling circuit 3, a ringing detection circuit 4, a voice circuit 5, a control The circuit 6 and the power supply circuit 7, the output end of the computer 2 are respectively connected to the coupling circuit 3 and the motor of the tape recorder 1 through the voice circuit 5 and the control circuit 6, and the input end of the computer 2 is connected to the coupling circuit 3 through the ring detection circuit 4, and the coupling circuit 3 The other end is connected to the telephone line L1, L2.

The purpose of the utility model can also be achieved by taking the following measures; the computer 2 is made of a single-chip microcomputer IC1 and an oscillating circuit connected by a crystal oscillator and a capacitor, and the coupling circuit 3 is composed of a coupling transformer T1, resistors R1 and R2, capacitors C1 and C2, a voltage regulator Composed of tubes Z1 and Z2, resistor R1 is connected in series with R2 and C1 through the primary coil of T1, Z1 is connected to the negative pole of Z2 and connected in parallel with the secondary coil of T1 and capacitor C2; the ringing detection circuit 4 is triggered by D with set and reset IC2, IC3 and their peripheral resistors and capacitors are connected. The output of the coupling circuit 3 is divided into three circuits. The first circuit is connected to the D input terminal of IC2 through the resistor R4 and the capacitor C4. The second circuit is connected to the D input terminal of IC2 through the resistor R3 and the capacitor. C3 is connected to the setting terminal R of IC3, the third circuit is connected to the input terminal of the single chip microcomputer IC1 through the parallel group of resistor R3, capacitor C3, C10 and R16, and the setting terminal R of IC2 is connected to the input terminal of IC2 through the parallel group of C5 and R5 D is connected to the inverting output terminal Q of IC2 through R9 and C6, the trigger terminal CLK of IC2 is connected to the non-inverting output terminal Q of IC2 and the reset terminal S through R2, the input terminal D of IC3 and the reset terminal S are grounded through the capacitor C15, The inverting output terminal Q of IC2 is connected to the setting terminal R through capacitor C6 and resistor R8, the parallel group of R10 and C7, R11, D1 is connected to the non-inverting output terminal Q of IC3, and the inverting output terminal Q of IC3 is connected to the input terminal of IC1 The output terminal of IC1 is divided into four routes, the first route connects the motor MOTOR of radio 1 through triode Q4, Q5, Q3, the second route connects the output end of power supply circuit 7 through the parallel group of triode Q6, relay J and D2, and the third The road is connected to the secondary of the coupling circuit 3T1 through the voice device IC4 and the transistor Q1, and the fourth road is connected to the secondary coil of T1 through the transistors Q2 and Q1; the output terminal of the power circuit 7 is connected to the reset terminal S of IC2, the collector of Q1, The circuit J3 is connected to the I/O port of IC1 through D3; the normally open contact of the relay is connected between C1 and R2.

A management software is preset in the microcontroller IC1, and the flow chart of the software is as follows:

Single-chip IC1 adopts four-bit single-chip microcomputer, voice device IC4 adopts voice IC, model is HT66.

Compared with the prior art, the utility model has the following advantages:

1. It adopts computer control, which simplifies the circuit structure, and the call time can be set arbitrarily, which is safe and reliable, and the cost is low, and it is easy to use.

2. It adopts double D flip-flop with set and reset, which has the functions of automatic counting, noise removal, anti-interference and other functions, and has strong anti-interference ability.

3. Two-way recording is possible.

4. Capable of recording monitoring and recording instructions.

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

Fig. 1 is a structural block diagram of the utility model.

Fig. 2 is the electrical schematic diagram of Embodiment 1 of the utility model.

Fig. 1, Fig. 2 constitute embodiment 1 of the present utility model. It can be seen from Fig. 2 that this embodiment consists of four single-chip microcomputers HM75C91BP, D flip-flops IC2 and IC3, voice ICHT66, three-stage tubes Q1~Q6, voltage regulator IC7809, resistors R1~R25, capacitors C1~C20, diodes D1~D3, Zener diode Z1 ~ Z2, relay J, radio recorder motor MOTOR, switch SWIA and switch K. R1 and the primary coil of T1, R2 and C1 are connected in series to the telephone lines L1 and L2, the negative poles of Z1 and Z2 are short-circuited, the positive poles are respectively connected to both ends of the secondary coil of T1, and C2 is connected between Z1 and Z2 to form a coupling Circuit 3; the four-bit MCU HM75G918P is connected with the crystal oscillator XM, capacitors C18, C17 to form a computer 2; the output of the coupling circuit 3 is divided into three circuits, the first circuit is connected to the input terminal D of IC2 through the resistor R4 and the capacitor C4 and then through R5 and C5 The parallel group is connected to the setting terminal R of IC2, the second circuit is connected to the setting terminal R of IC3 through resistor R3 and capacitor C3, and the third circuit is connected to pin 18 of IC1 through the parallel group of resistors R3, C3, R16 and C10 , the non-inverting output terminal Q of IC2 is connected to the input terminal D of IC3, the reset terminal S of IC3, the trigger terminal CLK of IC2, the inverting output terminal Q of IC2 is connected to the non-inverting output terminal of IC3 through the parallel group of R10 and C7, R11 and D1 And the parallel group of R12 and C8 is grounded, the inverting output Q of IC3 is connected to the 17th pin of IC1, IC2, IC3 and their peripheral components form the ringing detection circuit 4; the 7th pin of IC1 is connected through R22 and Q2 The base of Q1, pin 8 of IC1 is connected to the base of 01 through R13, IC4, R22, and C20, pin 9 of IC1 is connected to the base of 01 through R18 and C13, and the collector of Q1 is connected to the secondary of T1 through C14 Level coil, IC4, Q1, Q2 and their peripheral components form the voice circuit 5; pin 10 of IC1 is connected to the output end of the power circuit 7 through the parallel group of R23, Q6, relay J and D2, and the normally open contact of J The point is connected between C1 and R2, IC1's No. 11 pin is connected to the motor MOTOR of the tape recorder 1 through R15, Q4, Q5, and Q3, and Q6, Q4, Q5, Q3, J, and D2 constitute the control circuit 6; IC1's 14 No. pin is grounded through resistor R25 and switch K and connected to the output end of power supply circuit 7 through D3; the center plug of switch SWA is connected to 9V power supply, and the other two contacts are respectively connected to the input end of voltage regulator IC5 and the positive pole of motor MOTOR.

As can be seen from Figure 2, the control circuit 6 is divided into two circuits, the first circuit controls the motor MOTOR of the tape recorder 1, and the second circuit controls the connection of the telephone line. When the 10th pin of IC1 outputs a high level, J1 is closed, and the telephone line If it is short-circuited, the ringing circuit 3 cannot get an input signal. When the pin 10 of IC1 outputs a low level, J1 is disconnected. At this time, if the phone rings, the voltage of the phone line is coupled to both ends of Z1 and Z2 through T1. Then, through Z1 and Z2, the voltage is sent to the input terminal D of IC2. Every time the phone rings, IC2 inputs a pulse signal from terminal D. Since IC2 and IC3 are delay triggers, it is delayed by two stages of IC2 and IC3. Finally, the interference signal is cleared, and the single-chip microcomputer automatically counts according to the pulse signal from IC3. When the number of pulses is equal to the number set by the single-chip microcomputer, the single-chip microcomputer outputs a signal from pin 8 to drive IC4 to pronounce "the master is not here, now It is the sound of telephone recording", the sound signal is amplified by Q1 and then coupled to the telephone line through T1, if the other party starts to speak after hearing the prompt, the control circuit 6 will drive the motor of tape recorder 1 to start telephone recording, if the other party does not speak and then If you don’t hang up, the MCU waits for about 10 seconds, and if you don’t speak after 10 seconds, the program will be interrupted, and it will wait for the next ringing. The recording time can be pre-set, and the present embodiment is set to 30 minutes, if the other party hangs up, after several busy tone signals, the single-chip microcomputer makes the motor of the control circuit 6 control the tape recorder 1 stop rotating, and the recording comes, waiting for the next ringing. If two-way recording is to be performed, switch K is closed. The IC of this embodiment adopts a TTL integrated block.

Other embodiment 2 of the present utility model is: talk time is set at 5 minutes～15 minutes, IC adopts COMS integrated block, all the other are the same as embodiment 1.

Embodiment 3 of the present utility model is: talk time is set at 60 minutes, and IC1 adopts other four single-chip microcomputers, and all ICs adopt COMS integrated block, and all the other are with embodiment 1.

Embodiment 4 of the present utility model is: the base of triode Q5, the resistor that resistance value is 22K is bridged between the collector, the output end of power supply circuit 7 is also grounded by the electric capacity of one 104P, all the other are the same as embodiment 1.

Claims (6)

1, a kind of automatic call recording radio-cassette player of charged brain, comprise radio-cassette player (1), it is characterized in that: also comprise computer (2), coupling circuit (3), ring detecting circuit (4), sound circuit (5), control circuit (6) and power circuit (7), the output of computer (2) connects the motor of coupling circuit (3), radio-cassette player (1) respectively by sound circuit (5), control circuit (6), the input of computer (2) connects coupling circuit (3) by ring detecting circuit (4), and the other end of coupling circuit (3) connects telephone wire.

2, the automatic call recording radio-cassette player of a kind of charged brain according to claim 1, it is characterized in that: computer 2 reaches the oscillation circuit that is connected into by crystal oscillator, electric capacity by single-chip microcomputer IC1 and constitutes, coupling circuit 3 is made up of coupling transformer T1, resistance R 1 and R2, capacitor C 1 and C2, voltage-stabiliser tube Z1 and Z2, resistance R 1 is connected with R2, C1 by the primary coil of T1, and Z1 docks with the Z2 negative pole and be in parallel with secondary coil, the capacitor C 2 of T1; Ring detecting circuit 4 is by the d type flip flop IC2 that is with set and resets, IC3 and peripheral resistance thereof, electric capacity is formed by connecting, the output of coupling circuit 3 divides three the tunnel, the first via is by resistance R 4, capacitor C 4 is connected with the D input of IC2, the second the tunnel by resistance R 3, capacitor C 3 connects the set end R of IC3, Third Road is by resistance R 3, capacitor C 3, C10 is connected the input of single-chip microcomputer IC1 with the also joint group of R16, the set end R of IC2 is connected the input D of IC2 and passes through R9 with R5's and joint group by C5, C6 connects the reversed-phase output Q of IC2, the trigger end CLR of IC2 connects the in-phase output end Q of IC2 and connects reset terminal S by R2, the input D of IC3 and reset terminal S also pass through capacitor C 15 ground connection, the reversed-phase output Q of IC2 connects set end R by capacitor C 6 and resistance R 8, also joint group by R10 and C7, R11,01 connects the in-phase output end Q of IC3, and the reversed-phase output Q of IC3 connects the input of IC1; The output of IC1 divides four the tunnel, the first via connects the motor M OTOR of broadcast receiver 1 by triode Q4, Q5, Q3, the second the tunnel passes through triode Q6, relay J are connected power circuit 7 with the also joint group of D2 output, Third Road connects the secondary of coupling circuit 3T1 by voice device IC4, triode Q1, the four tunnel secondary coil by triode Q2, Q1 connection T1; The output of power circuit 7 connects the collector electrode, relay road J3 of reset terminal S, the Q1 of IC2, connects the I/O mouth of IC1 by D3; The normally opened contact of relay is connected across between C1, the R2.

3, the automatic call recording radio-cassette player of a kind of charged brain according to claim 1 and 2 is characterized in that: telephonograph is by presetting software control in the computer.

4, the automatic call recording radio-cassette player of a kind of charged brain according to claim 1 and 2 is characterized in that: computer (2) is made of four single-chip microcomputers and external oscillation circuit thereof, and IC1, IC3 take with set and the d type flip flop that resets.

5, the automatic call recording radio-cassette player of a kind of charged brain according to claim 4 is characterized in that: all IC adopts the TTL integrated package.

6, the automatic call recording radio-cassette player of a kind of charged brain according to claim 4 is characterized in that: all IC adopts the COMS integrated package.

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