CN2245832Y - Micro-computer protector for connecting and disconnecting telephone - Google Patents

Abstract

The utility model relates to a micro-computer protector for connecting and disconnecting telephones. The micro-computer protector is composed of a microprocessor (or named as a controller), a warning information signal receiving circuit, a warning circuit and a telephone circuit which are connected to the microprocessor, wherein, the telephone circuit comprises a dialing circuit, a telephone connecting distinguishing circuit and a talking circuit, a speech circuit; the dialing circuit is connected to a controller, and is mutually connected with a telephone line through the talking circuit; the speech circuit and the telephone connection distinguishing circuit are connected to the talking circuit in a control mode by the controller. The protector has the advantages of small volume, complete functions, high operational reliability, low power consumption, easy concealment and convenient operation.

Description

The plug into microcomputer protector of phone

The utility model belongs to intelligent alarm device, the automatic alarm system of specifically a kind ofly be used to avoid theft, robbery, fire, toxic gas being leaked, and its main means are to pass through telephone network.

In actual life, when many field boundarys close and emergency take place the no one is on duty again, need get in touch with certain department of recovering, so that solve the dangerous situation that takes place rapidly.Because the character of field boundary institute self, may alert such as let out to theft, robbery, fire, toxic gas needs different strick precautions.In miscellaneous alarm or protector, the telephone alarm device that obtains utility model patent also has many, but has deficiency in various degree on function and practicality.The patent No. 92243401.8 and 89208366.2 is existing central relative novel alarms of utility model that adopt telephone call.They adopt and local telephone network networking audio alert, with other telephone alarm difference, whether can differentiate when reporting to the police phone connects, obtain the existing many cases of telephone phonic alarm device of utility model patent at present, but similar products like seldom on the domestic market, wherein main cause is that this class warning exists deficiency aspect practicality and reliability, is mainly reflected in:

1. actual needs is not considered in the setting of the state of alert and remove all on main frame direct control or extend with lead, and is inconvenient, dangerous in use.

2. the practicality of alarm and reliability, largely depend on sensor performance and with being connected of main frame, most of telephone alarms do not relate to.

3. can not differentiate different alerts such as theft, robbery, fire, toxic gas leakage etc., and give voice segment respectively and report to the police.

4. the telephone alarm control section mostly adopts MCS-48 series, MCS-51 series and MCS-96 series monolithic as 8035,8748,8031,8751,8098 etc., though these single-chip microcomputer functions are very strong, but volume is big, price is expensive, power consumption is big, be difficult for adopting powered battery, be difficult to dwindle the volume of alarm, all bring problem for installation and disguise.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and the microcomputer protector of the phone of plugging into following performance is provided:

1. remote control mode is adopted in the setting of the state of alert and releasing, adopts coding and decoding technology between remote controller and the main frame, better solves interference problem each other.

2. also adopt coding and decoding technology between transducer and the main frame, main frame can be distinguished different categories within police force by decoding when alert takes place, control dialing and sound circuit.

3. the setting of the state of alert and releasing, loudspeaker can send the different sounds, are convenient to the user and distinguish.

4. dual warning function, loudspeaker sent the alert signal of transmitting messages when alert took place, and confirmed that no ring off signal redials behind the time-delay certain hour.

5. have monitor function and be convenient to distinguish the alert true and false.

6. adopt to divide design between sensor circuit and the main frame, main frame is placed disguised strong, and is destroyed when stealing, being difficult for when plundering, easy for installation owing to not needing any wiring, good reliability, do not destroy luxurious field boundary decoration.

7. having engaged line redials, puts through nobody and connect from the number of moving redialing function.

8. multipotency stores six groups of telephone numbers, can adopt two kinds of dial modes of pulse and audio frequency.

9. the segmentation audio alert content of different alerts is recorded at any time by built-in microphone and main frame button.

10. voice content is not lost because of power down.

The purpose of this utility model realizes with following technical scheme:

The microcomputer protector of the phone of plugging into of the present utility model, by microprocessor (or claiming controller), the alert signal receiving circuit, warning circuit 6, the telephone circuit that are connected on the microprocessor are formed, telephone circuit wherein comprises judging circuit, speaking circuit, the sound circuit of dial-up circuit, closing of the circuit, dial-up circuit is connected on the controller, dial-up circuit is connected by speaking circuit and telephone wire, and the judging circuit of sound circuit and closing of the circuit is connected to speaking circuit by controller with controlling;

For reaching hidden, safe and reliable purpose, the microcomputer protector of the phone of plugging into of the present utility model also comprises remote control circuitry, sensor circuit, microprocessor or controller or main frame are to be core with the PIC16C of Mirochip company series monolithic (microprocessor), are controlling the reception of state setting and alarm signal and decoding circuit, loudspeaker warning circuit, dial-up circuit, the judging circuit of closing of the circuit, speaking circuit, sound circuit, monitoring circuit.Support to reach between host circuit and remote controller, the different alert transducer the reliable work of telephonic communication circuit with software.

Below in conjunction with embodiment shown in the drawings, the microcomputer protector of the phone of plugging into of the present utility model is specified.

Fig. 1 is the theory diagram of the microcomputer protector of the phone of plugging into of the present utility model;

Fig. 2 is remote control circuitry figure;

Fig. 3 is transducer alarm signal encoding transmitting circuit figure;

Fig. 4 is state setting and alarm signal receiving circuit figure;

Fig. 5 is control and sound circuit figure;

Fig. 6 is dialing, conversation and connects judging circuit figure.

Referring to Fig. 1, the operating state of the microcomputer protector of the phone of plugging into of the present utility model, for example be in warning, anti-snatch, remove three kinds of states, the remote control circuitry of being made up of key circuit 1, encoding transmitting circuit 2 is provided with and launches; On the other hand, by transducer 13, alarm signal coding and radiating circuit 14, emission circuit 15, emission alert signal; Working state signal and the alert signal set are delivered to the controller of being made up of microprocessor PIC16C57 5 through state setting and alarm signal receiving circuit 3, decoding circuit 4; Controller is controlled loudspeaker warning circuit 6 generation unlike signals according to the situation that is provided with and the alert signal of different conditions, controller 5 is differentiated categories within police force and is made dial-up circuit 11 transfer to the telephone number of storage in advance, closing of the circuit judging circuit 9 judges whether phone is put through, do not put through or put through nobody and answer the call, dial-up circuit 11 can redial or transfer other number automatically, behind the closing of the circuit, controller 5 allows sound circuit 10, speaking circuit 8 is given the field boundary put voice consistent with alert of recovering through outside line 7, adopt powered battery among the embodiment, during undertension, voltage detecting circuit 12 is sent under-voltage signal, and controller 5 makes loudspeaker 16 send ＂ noise made in coughing or vomiting ＂ one every 20 seconds by warning circuit 6.

Fig. 2 is the circuit diagram of remote controller, major function is by button, encoding transmitting circuit, make main frame enter warning, anti-snatch, disarm state, circuit is formed key circuit by button S1, S2, S3, diode D1, D2, D3, capacitor C 1, the corresponding respectively warning of S1, S2, S3, anti-snatch, three kinds of states of releasing, decoding special chip U1, R2 form coding circuit, and 1 pin to 8 pin of chip is an address mouth, and 10 pin to 13 pin are the multiplexing pin of address/data.These 12 pin all have high level, low level, three kinds of states of open circuit, when 12 pin are done the address wire use entirely, 531441 of addressables, promptly this chip has 531441 kinds of possible codings, the different remote that this chip is formed, the possibility of Chong Fuing is 1/531441 each other.After one of them was pressed when S1, S2 or S3 key, the chip outupt coded signal was given the radiating circuit of being made up of triode T, inductance L, R1, C2, C3, and integrated package wherein (IC) chip is the PT2262 encoder.

Fig. 3 is transducer alarm signal encoding transmitting circuit figure, by transducer, transducer alarm signal treatment circuit, coding circuit, radiating circuit is formed, transducer can adopt pressure-sensitive, temperature-sensitive, magnetosensitive is photosensitive, air-sensitive, the quick sensing element of sound, be used to detect various alert, embodiment makees vibrating sensor by pressure-sensitive biography element HTD and spring through PROCESS FOR TREATMENT, W can adjust the sensitivity of vibration, adapting to oscillation intensity requires different field boundarys to use, the transducer alarm signal is given by chip U2 by C1, resistance R 1 is to R7, capacitor C 2 to C5 is formed signal processing circuit, signal after the amplification shaping is delivered to by triode T1 through R3, T2 and resistance R 10, R11 forms switching circuit, make chip U1, diode D3, capacitor C 8, the coding circuit work that resistance R 9 is formed, the code signal of output is delivered to by triode T3 by resistance, inductance L, capacitor C 6, C7 forms radiating circuit, to main frame emission alarm code signal, chip U1 wherein is the PT2262 encoder, and U2 is the HA17324 double operational.

Fig. 4 is state setting of the present utility model and alarm signal receiving circuit, and state setting and alarm signal receiving circuit are made up of amplifying circuit, frequency selection circuit, amplification and rectification circuit, decoding circuit.The amplifying circuit that state signalization or transducer alarm signal are made up of antenna A, triode T1, inductance L 1, L2, capacitor C 1, C2, resistance R 1, R2 receives and amplifies, and closes the frequency selection circuit of forming to by triode T2, capacitor C 5, C6, C7, C9, resistance R 4, R5, R6, inductance L 3, L4 through capacitor C 4 lotus roots.The various interference of code signal filtering are given the amplification amplitude limiter circuit that is made of chip U1, resistance R 10, R11, R12, capacitor C 10, C11, C12 through R9 after the frequency-selecting, from the coded pulse of the 1 pin outputting standard of U1, give state that U2, R9 form by R13 the transducer number of the notifying decoding circuit that decoding circuit and U3, R15 form is set.It is positive and negative or unsettled that 1 to 9 pin of U2, U3 can connect power supply, and their connected mode should be identical with sensor alarm coding core 1 to 9 pin with remote controller respectively.The data port A of U2, B, C output state signalization, the D of U3, E, F, data port are exported the alarm signal of different categories within police force, integrated package U1 wherein, U2, U3 can have multiple choices, and present embodiment U1 selects the single amplifier of LM35B for use, and U2 and U3 select the PT2272 decoding circuit for use.

Fig. 5 is the utility model control, voice and audible alarm circuit figure, control circuit is made up of PIC16C57 single-chip microcomputer U2, capacitor C 4, C5, crystal oscillator CY, triode T1 to T7, light lotus root U4, the A of single-chip microcomputer, B, C are that state is provided with the input port, D, E, F, are transducer alarm signal input port.U2 connected the switching circuit of triode T8, T9, resistance R 12, R13 composition earlier when alert took place, the warning oscillating circuit work that chip U3, triode T10, two utmost point D14, resistance R 14 to R16, capacitor C 6, C7 are formed, signal is amplified by the base stage that C6 is coupled to triode T11, give loudspeaker through transformer B and send alarm sound, the audible alarm certain hour is not removed, U2 control T7, U4 make the hands-free switch connection of phone, dial relevant telephone number according to different categories within police force T4, T5, T6, U4 control dial-up circuit.The G mouth of U2 judges whether phone is put through, connect the back and make sound circuit segmentation playback according to different categories within police force U2 control triode T1, T2, T3, playback circuit is made up of chip U1, diode D1 to D13, resistance R 1 to R6, capacitor C 1, C2, C3, microphone MC, switch S 1 to S4, LED and is sheltered 4 and get to 1 end, sound circuit is a recording state, S1, S2, S3 are for dividing the end record button, and LEB indicates recording state; When S4 gets to 2 ends is tone playing state, by T1, T2, T3 control segmentation playback, the alarm voice content is delivered to speaking circuit by N, 0 bipod, integrated circuit (IC) chip wherein is: U1 is speech chip ZSD1200, U2 is the cpu chip of PIC16C7 series, U3 is the oscillating circuit chip of 74 series, and U4 is the analog switch chip, for example 4052.

Fig. 6 is dialing of the present utility model, conversation and connects judging circuit figure; the dial-up circuit of phone is made up of polar protective circuit, dialing start-up circuit, pulse dialing circuit, voice-frequency dialing circuit, power circuit; diode D1 to D4 forms polar protective circuit, makes present embodiment not be subjected to the telephone wire polarity effect by dress the time.Controller made 2 connections of H, I when alert was sent out, the start-up circuit work that triode T1, resistance R 19, R20, R21 constitute, make dialing chip U1 enter wait state, then controller according to different alerts make J, K, L wherein an end signal output is arranged, U1 enters dialing status, is just transferred to by the telephone number that button is pre-stored among the U1.The pulse mode dialing, the impulse circuit that the pulse of the 11 pin output of U1 is formed through triode T2, T3, diode D5, resistance R 22, R23 amplifies delivers to outside line.The audio frequency mode dials, the 12 pin output audio signals of U1, deliver to outside line through the voicefrequency circuit amplification that triode T4, resistance R 24, R25 form, after dialing is finished, judge by judging circuit whether phone is connected, judging circuit is made up of amplifying circuit, active filter circuit, comparison circuit, the status signal of back phone is finished in dialing, gives the active filter circuit that chip U5, capacitor C 2, C3, C4, resistance R 5 to R10 form by the signal of T2 collector electrode after C4 gives the amplifying circuit amplification that chip U3, resistance R 1, R2, R3 form through light lotus root U4.The signal of the various interfering components of elimination is through diode D7, resistance R 12, deliver to by chip U6 after 1 detection of R14 capacitor C, resistance R 11, R13, R15, the comparison circuit that R16 forms, giving controller the signal of whether connecting from the G end judges mouthful, behind the closing of the circuit, controller makes the sound circuit playback, the audio alert signal is from N, the O two-port is given by surname 2, resistance R 27 is to R36, the speaking circuit that capacitor C 5 to C8 is formed, make distress signals be delivered to the field boundary institute that recovers by outside line, can monitor alert spot situation by microphone (MIC) simultaneously, to distinguish the alert true and false, dial-up circuit, the amplifying circuit that speaking circuit and connection are differentiated is by diode D6, D7, capacitor C 9, resistance R 26 is formed the power circuit power supply, connects the filter circuit of differentiating, comparison circuit is battery-powered.

Claims (5)

1, a kind of microcomputer protector of the phone of plugging into, by microprocessor, the alert signal receiving circuit, warning circuit 6, the telephone circuit that are connected on the microprocessor are formed, it is characterized in that above-mentioned telephone circuit comprises judging circuit, speaking circuit, the sound circuit of dial-up circuit, closing of the circuit, dial-up circuit is connected on the controller, dial-up circuit is connected by speaking circuit and telephone wire, and the judging circuit of sound circuit and closing of the circuit is connected to speaking circuit by controller with controlling.

2, protector according to claim 1 is characterized in that above-mentioned alert signal receiving circuit by the alarm signal amplifying circuit, frequency selection circuit, and amplification and rectification circuit and decoding circuit are formed.

3, protector according to claim 1 is characterized in that being connected to voltage detecting circuit on the above-mentioned microprocessor.

4, protector according to claim 1 is characterized in that above-mentioned microprocessor is the PIC series monolithic.

5, protector according to claim 1 is characterized in that above-mentioned telephone dialer circuit by polar protective circuit, the dialing start-up circuit, and pulse dialing circuit, the voice-frequency dialing circuit, power circuit is formed.

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