CN2253549Y

CN2253549Y - Dialing controller for power-free telephone imformation-giving

Info

Publication number: CN2253549Y
Application number: CN 95236533
Authority: CN
Inventors: 余新
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-04-06
Filing date: 1995-04-06
Publication date: 1997-04-30
Anticipated expiration: 2005-04-06

Abstract

The utility model relates to a dialing controller for information transmission by utilizing a telephone line, which mainly comprises a microprocessor, an external memory, a polarity correction circuit, a power circuit, electronic switches, a sensor, a trigger circuit, and a three-stage timing circuit. The utility model is characterized in that the polarity correction circuit and the power circuit obtain working power supply of the controller from a telephone line; when detection signals are output from the sensor, the trigger circuit and the three-stage timing circuit are started, and the output signals are used as the input signals of the microprocessor; the microprocessor respectively switches on the electronic switches and outputs the signals of dual-tone multifrequeney or pulse dialing, and the signals are transmitted to the telephone line via the electronic switches. The utility model has the advantage that the utility model can automatically switch on the telephone line to give information dialing without power supply and a dialing keyboard.

Description

Power-free telephone imformation-giving dialing controller

The utility model relates to a kind of signalling, relates to a kind of dialing controller that utilizes telephone line to transmit information or rather.

At present, small-sized antitheft, anti-misfortune, the existing multiple kind of warning device utilize the also favourable telephone set of using of audible alarm or light warning to the fixed location dialing alarm substantially.Such alarm controller generally needs externally fed, and the mode of reporting to the police can not change, and quite feels inconvenience in the use.

The purpose of this utility model is the telephone imformation-giving dialing controller of a kind of power-free of design, and dispense with outer connecting power can be connected telephone line and automatically dialing when needed automatically, transmits information by telephone wire, user's modification dialing information of also can programming on demand.

Power-free telephone imformation-giving dialing controller of the present utility model is connected with outside line, comprises power circuit, sensor circuit and dialing control circuit, it is characterized in that:

Described dialing control circuit comprises that microprocessor, storage have data file, circuits for triggering, three grades of timing circuits, electronic switch and polarity correction circuit of alarm dialing information;

Described data file is connected with described microprocessor, described polarity correction circuit connects outside line respectively, electronic switch switch one end and power circuit, the dual-tone multifrequency output of another termination microprocessor of electronic switch switch or dial impulse output, electronic switch switch control termination microprocessor one output and circuits for triggering output Q end, described power circuit output connecting triggering circuit power end and power supply of microprocessor end, described sensor circuit output connecting triggering circuit set end, three grades of timing circuit power ends of circuits for triggering output Q termination, the first order of three grades of timing circuits is regularly exported with the second level and is regularly exported the input that connects microprocessor respectively, and the third level of three grades of timing circuits is the output connecting triggering circuit reset terminal regularly.

Described dialing control circuit also includes amplifier, is arranged between described microprocessor dual-tone multifrequency output or dial impulse output and the electronic switch switch other end.

Described data file is the EEPROM sheet.

Described three grades of timing circuits are counters of band oscillator, and circuits for triggering Q reverse pumping goes out the reset terminal of three grades of timing circuits of termination.

Described polarity correction circuit is the bridge circuit that is connected and composed by diode, the outside line of answering the call of bridge circuit input, and the bridge circuit output plus terminal connects electronic switch switch one end and power circuit input, bridge circuit output negativing ending grounding.

Power-free telephone imformation-giving dialing controller under normal conditions, power to circuits for triggering by polarity correction circuit that is connected with outside line and power circuit, when sensor circuit has output signal, the upset of triggering circuits for triggering, electronic switch is connected in control on the one hand, provide working power for three grades of timing circuits on the other hand and it is resetted, the internal oscillator vibration of three grades of timing circuits makes and begins counting, electronic switch is connected in the output signal control of first order timing circuit again, dialing signal is sent out in the output signal control of second level timing circuit, the output signal control reset trigger circuit of third level timing circuit, when electronic switch is connected, on the one hand power circuit is connected with the power end of microprocessor and data file, the double-tone frequency output or the dial impulse output of microprocessor are connected with outside line, finish automatic connection telephone line, automatically dial and send the information that is stored in the data file.Controller of the present utility model produces dialing and control signal by microprocessor CPU, and three grades of timing circuits of be used to dial number of times and time interval controls are programmable.

Further specify technology of the present utility model below in conjunction with the embodiment accompanying drawing

Fig. 1. power-free telephone imformation-giving dialing controller theory diagram

Fig. 2. power-free circuit alarm dialing controller electrical schematic diagram

Referring to Fig. 1. power-free telephone imformation-giving dialing controller mainly comprises polarity correction circuit 10, power circuit 11, electronic switch 12, amplifier 13, microprocessor 14, data file 15, transducer 16, circuits for triggering 17 and three grades of timing circuits 18.

During normality, provide working power by outside line TIP, RING, polarity correction circuit 10 and power circuit 11 to circuits for triggering 17, transducer 16 can comprise multiple probe or switch, as infrared detection probe, wireless probe, broken string switch, magnetic switch, optoelectronic switch etc.When appearance abnormal conditions transducer 16 has signal output, trigger circuits for triggering 17 and make its upset, its output Q holds one the tunnel for three grades of timing circuits 18 provide working power another road control connection electronic switch 12, and the output Q of circuits for triggering 17 is anti-, and end is then made reset operation to three grades of timing circuits 18.Three grades of timing circuit 18 internal oscillators begin starting of oscillation and start three grades of timing circuits 18 to begin counting and regularly output, electronic switch 12 is connected simultaneously, for amplifier 13, microprocessor 14 and data file 15 provide working power, microprocessor can read in the alarm dialing information of storage in the data file 15.The first order timer output of three grades of timing circuits 18 connects a signal input part of microprocessor 14, and electronic switch 12 is connected in microprocessor 14 output controls; The second level timer output of three grades of timing circuits 18 connects another signal input part of microprocessor 14, and microprocessor 14 outputting dual tone multi-frequency signals or dial impulse are sent outside line through amplifier 13 amplifications by electronic switch 12, polarity correction circuit 10.

Referring to Fig. 2. microprocessor U1 adopts four bit microprocessor W88102, and 1, the external C18 of 2 bipods, C19, R35, crystal or ceramic vibrator U5 (3.58MHZ) constitute clock circuit.Transistor Q4, resistance R 9-R11, diode D9, capacitor C 5 connect and compose reset circuit.

Data file U2 adopts EEPROM memory (93C46, capacity 1K * 8 bits), be used for storage dialing and alarm information, 1,2,3,4 pin link to each other with 14,16,23,21 pin of U1 respectively, send depositing information to microprocessor U1, U2 still can preserve internal information when outage.

Polarity correction circuit is made of the bridge circuit that diode D1-D4 is connected into, and is connected with outside line TIP, RING.

Transistor Q1, Q2, resistance R 1-R5 and diode D5 connect and compose electronic switch, when the output Q of 20 pin of U1 output high level or U3A end during for high level, Q2, Q1 conducting, connect electronic switch, signal from outside line TIP, RING can be delivered to follow-up circuit through emitter, the collector electrode of Q1 in the electronic switch, also can deliver to outside line by Q1, polarity correction circuit D1-D4 by the signal of Q6 collector electrode output.Q1, Q2 are high inverse-voltage tube, as SA92,2N5401, SA42,2N5551.

Diode D15, D16, resistance R 36, R15, capacitor C 3, C4, C20 and voltage stabilizing didoe Z1-Z3 connect and compose power circuit.Electronic switch Q1, Q2 turn-off during normality, and the working power of integrated U3A, U3B (double D trigger 4013) is supplied with (VCC1) by outside line through polarity correction circuit D1-D4 and R36, D15, Z2, C20.When electronic switch is connected, outside line by R15, C3, D16, Z2, C20 keep to U3A, U3B power supply and by Q1, R15, Z1, C3 to the reset circuit power supply and further give U1, U2 power supply by C4, Z3.The power supply of U4 is then supplied with by the output Q end of V3A.

Transistor Q6, resistance R 17-R19, R12 constitute amplifier, when 28 pin of U1 are sent the dual tone multi-frequency dtmf signal, amplify through Q6, and Q1 delivers to outside line by electronic switch.

Circuits for triggering are made of d type flip flop U3A, the detection signal of transducer 16 is inserted by the DET point, C1, C11, R20, R21 connect and compose anti-jamming circuit, transducing signal is as the triggering signal of U3A, the power end of the Q output termination U4 of U3A, the Q reverse pumping of U3A goes out the reset terminal of termination U4, when transducer 18 has detection signal output, is finished the operation that U4 is powered up, resets by circuits for triggering U3A.

Counter U4 (4060), d type flip flop U3B, transistor Q9, Q11 etc. connect and compose three utmost point timing circuits, and the external C7 of 9,10,11 pin of U4, R13, R14 get the vibration of electric back and produce counting clock, and counter begins counting.The first order is regularly exported the R end that is coupled to U3B through C30 it is resetted, and the anti-end one tunnel of the Q of U3B is through the asserts signal of R29, C6 coupling as U3B, and the base stage of Q9 is sent on another road through R33, C8, R34 coupling.The base stage of delivering to Q11 after R16, R27, C5 coupling is regularly exported in the second level.The third level is regularly exported the resetting pin and the resetting pin that send U3A that is coupled to U4 through R30.Microprocessor U1 orders respectively after receiving the control signal that is produced by Q9, Q11 and connects electronic switch (or closing electronic switch) and output dtmf signal (or by its 20 pin output pulse dialing).Three grades of regularly outputs of digital timing circuit U4, its first order QN and second level QN+1 are as the input signal of microprocessor, third level QN+L is as the reset signal of U3A and U4, N, L can select its numerical value by wire jumper, thereby be programmable, the control in can be used for the dialling number of times and the time interval.

Power-free telephone imformation-giving dialing controller of the present utility model, transmit information by telephone wire, irrelevant with telephone set, produce dialing control and dialing information by microprocessor, dial by the sensor-triggered alarm, need not to connect power supply, need not to be provided with dialing keyboard and just can carry out the dialing of phone pulse or dual-tone multifrequency alarm, and alarm dialing number of times and the time interval are adjustable.

Claims

1. a power-free telephone imformation-giving dialing controller is connected with outside line, comprises power circuit, sensor circuit and dialing control circuit, it is characterized in that:

2. power-free telephone imformation-giving dialing controller according to claim 1, it is characterized in that: described dialing control circuit also includes amplifier, is arranged between described microprocessor dual-tone multifrequency output or dial impulse output and the electronic switch switch other end.

3. power-free telephone imformation-giving dialing controller according to claim 1 is characterized in that: described data file is the EEPROM sheet.

4. power-free telephone imformation-giving dialing controller according to claim 1 is characterized in that: described three grades of timing circuits are counters of band oscillator, and circuits for triggering Q reverse pumping goes out the reset terminal of three grades of timing circuits of termination.

5. power-free telephone imformation-giving dialing controller according to claim 1, it is characterized in that: described polarity correction circuit is the bridge circuit that is connected and composed by diode, the outside line of answering the call of bridge circuit input, the bridge circuit output plus terminal connects electronic switch switch one end and power circuit input, bridge circuit output negativing ending grounding.