CN2276181Y - Domestic theft-proof fireproof pager alarm device - Google Patents

Abstract

The utility model relates to a domestic theftproof and fireproof pager alarm device which is composed of a singlechip control circuit, an automatic dial circuit, a sound alarm circuit, a voice recording and playing circuit, an environmental sound monitoring circuit, a hands-free circuit, a demoding circuit, a wireless receiving circuit, a line control input circuit, a ringing circuit, a telephone remote-control audio demoding circuit, a cell low-voltage circuit, a power voltage stabilizing and cell charging circuit, an external connection horn control circuit, a crust, etc. The utility model, which adopts the mode of microcomputer control, not only has the advantage of flexible control, but also can distinguish external signals, such as remote control signals, theft signals or fire alarm signals to perform differential reaction. Besides, through the remote control, the utility model can command the alarm device to lay or withdraw guard, and can record on the-spot to provide evidence for cracking a criminal case.

Description

Home security fire prevention calling alarm device

The utility model relates to a kind of warning device, particularly a kind of home security fire prevention calling alarm device.

The science report of present domestic guard against theft and alarm system is quite a lot, like product is of a great variety, its performance and characteristics are had nothing in common with each other, " alert sound " the threatening method that only is confined to that has, the simple logical bit prosecutor of the employing that has formula control panalarm, the utilization that has loaded down with trivial details computer system management report to the police.Eventually because of technical feature and practicality or poor reliability or because expensive is unsatisfactory.

The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of circuit advantages of simple is provided, and is multiple functional, lower-cost home security fire prevention calling alarm device.

The purpose of this utility model can reach by following measure: the utility model comprises audible alarm circuit, battery low-voltage circuit, power supply voltage stabilizing and battery charger, external loudspeaker control circuit, housing, it is characterized in that; Also has single chip machine controlling circuit, automatic dial-up circuit, audio record circuit, handfree circuit, decoding circuit, wireless receiving circuit, the line traffic control input circuit, ringing circuit, the remote telephone audio decoding circuit, the monitoring condition sound circuit, the signal of wireless receiving circuit output is delivered to single chip machine controlling circuit after decoding by decoding circuit, single chip machine controlling circuit is all delivered in the output of line traffic control input circuit and ringing circuit, automatic dial-up circuit is delivered in the output of single chip machine controlling circuit respectively, the audible alarm circuit, audio record circuit, the monitoring condition sound circuit, handfree circuit and remote telephone audio decoding circuit, audio record circuit and handfree circuit join.

The purpose of this utility model is and can also reaches by following measure; Electronic circuit board is located in the coverboard, and housing is made the telephone set shape, and its surface is provided with telephone key-press.Output 7 pin of integrated circuit U4 join by 6 pin of resistance R 35 phase inverter A5:b and single chip machine controlling circuit A6 in the ringing circuit, 9 pin of integrated circuit U3 link to each other with 19 pin of integrated circuit A3 in the automatic dial-up circuit, and the 51A among integrated circuit A9, A15, the A11,51B, 51C, 51INH1,511NH2,51INH3 link to each other with 2,5,6,9,12,15,16,19 pin of A3 respectively.The collector of triode Q1 links to each other with 2 pin of integrated circuit U5 in the remote telephone audio decoding circuit by capacitor C 36, resistance R 39, and 11,12,13, the 14 pin output decoder data of U5 are delivered to single chip machine controlling circuit.7 pin of integrated circuit A7:B link to each other with 14 pin of integrated circuit AB in the decoding circuit in the wireless receiving circuit, and the 1C of A8～13 pin link to each other with 15,17,14,13 pin of integrated circuit A7.

Fig. 1 is a functional-block diagram of the present utility model;

Fig. 2 is a contour structures synoptic diagram of the present utility model;

Fig. 3 is the electrical schematic diagram of single chip machine controlling circuit part;

Fig. 4 is the electrical schematic diagram of parts such as ringing circuit and automatic dialing control circuit;

Fig. 5 is the electrical schematic diagram of high frequency wireless receiving circuit.

The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):

With reference to Fig. 1, Fig. 2, the utility model is made up of single chip machine controlling circuit 1, automatic dial-up circuit 2, audible alarm circuit 3, audio record circuit 4, monitoring condition sound circuit 5, handfree circuit 6, decoding circuit 7, wireless receiving circuit 8, line traffic control input circuit 9, ringing circuit 10, remote telephone audio decoding circuit 11, battery low-voltage circuit 12, power supply voltage stabilizing and battery charger 13, external loudspeaker control circuit 14, housing 15 etc.Electronic circuit board is loaded in the housing 15, and housing 15 is made ultra-thin international streamline profile, and its surface is provided with keyboard of telephone set and various function button, can be used as the message hand-free telephone at ordinary times and uses.

With reference to Fig. 3～Fig. 5, ringing circuit 10 comprises integrated circuit U4, resistance R 32, R36 etc.; From the AC signalling signal of Z1 telephone line interface, obtain the working current of U4 through the rectification circuit of U4 inside, the tone generator with this power supply starting U4 inside drives piezoelectric ceramic transducer and sends ringing tone.And provide a ringing number signal through R35, R36 dividing potential drop for cpu control circuit, ZL send 6 pin of the A6 of CPU after A5 is anti-phase, and makes corresponding processing by CPU.

Handfree circuit 6 comprises integrated circuit U1, U2, transformer B1, B2 etc.; U2 is an acoustic control speaker-phone integrated circuit, and U1 and U2 be supporting to become the low-power audio amplifier integrated circuit.They constitute the system of a high-quality hand-free loudspeaker conversation.By the single chip machine controlling circuit output level, give the 3rd pin and U1 and the 1st pin of U2, start this system works.B1 is speaking circuit input and output coupling transformers, and it is the bridge of telephone line and hands-free speaker phone circuit.B2 is the matching transformer of verbal system output loudspeaker.This circuit promptly can be controlled off-hook by single chip machine controlling circuit, can use as hands-free phone with behind the manual off-hook again at ordinary times.

Automatic dial-up circuit 2 comprises integrated circuit U3, A9, A10, A11 etc.; Q6 and dry-reed relay J2 and socket 22 have constituted the telephone line output control switch, it are closed for the BH/BJ control signal or are closed by single chip machine controlling circuit.U3 is a tonepulse dialing integrated circuit (IC) chip, and 10,11 pin are respectively pulse, voice-frequency dialing output pin, is selected by K switch 1.The voice-frequency dialing signal is directly coupled to telephone line by the note amplifier that Q1, R4, C1 form, and the break-make device that pulse signal is made of Q3, dry-reed relay J1 constitutes phone pulse output source.C1, C2, C3 (1,2,3 pin of U3) and line R5, R4, R3, R2, R1 (22,21,20,19,18 pin of U3) constitute the ranks wire matrix of keyboard button respectively, and they link with the control circuit that dials automatically.9 pin of U3 are off-hook work control pin, link to each other with 19 pin of single chip machine controlling circuit A3 and controlled by it.Automatic dialing is made up of three analog switches 4051 (A9, A10, A11).Their analogue-keys are realized dialing automatically.51A, 51B, 51C, 51INH1,51INH2,51INH3 are the interfaces of control circuit and cpu control circuit of dialling automatically, link to each other with 2,5,6,9,12,15,16,19 pin of A3 in the cpu control circuit respectively; When reporting to the police, CPU controls 4051 analogue-key switches and finishes automatic dialing.

Monitoring condition sound circuit 5 comprises triode Q2, Q4 etc.; Sound signal by NIC output has constituted two-stage amplifier through Q2, Q4, will amplify from the signal of NIC and export in telephone line.When 12 pin of A12 in the cpu control circuit became low level, the NICQ5 that controls this circuit opened, and just can be transported in the alarm call by telephone wire by the monitoring condition voice signal like this, had realized the ambience listening function.

Remote telephone audio decoding circuit 11 comprises integrated circuit U5 etc.; U5 is the audio signal decoding chip, delivers to the input pin (the 2nd pin) of U5 from telephone line voice-frequency dialing signal through C36, and 11,12,13,14 pin of U5 will output decoder data (binary-coded decimal) be sent to cpu control circuit, carry out respective handling.

Audio record circuit 4 comprises integrated circuit U6, triode Q5 etc.; U6, U6/A are two HY420 solid recording playback sound chips, and record length is 40S, and wherein U6 is divided into two sections uses, and K2 is that the segmentation recording is provided with switch.27 pin are the recording control pin, and 23 pin are the playback control pin, and they all are that low level is effective.When needs record or playback, single chip machine controlling circuit can carry out recording playback sound control system by controlling these two control pins.

Single chip machine controlling circuit 1 comprises integrated circuit A1～A4, A6, A12 etc.; Core wherein is A6 microprocessor (CPU), and wherein 7 pin are the dormant interruption input pin of waken system.When low level appearred in 7 pin, CPU promptly was waken up, and began to deal with the work.K1 is that 8 systems are provided with switch, and CPU can carry out different duty schemes according to its state.

Decoding circuit 7 comprises integrated circuit A8 etc.; From the signal of wireless receiving circuit A7 the 7th pin, be sent to the 14th pin of A8, carry out decoding processing.Decoded data (binary-coded decimal) are sent to cpu control circuit through D0, D1, D2, D3 output, are handled by CPU.CPU makes corresponding processing according to different data (for example: infrared ray is 1000, and door and window is 1100, asks number for D100, and startup is 0001 etc.).When extraneous signal, CPU is interrupted waking up by 17 pin of A8, discerns after reading D0, D1, D2, D3 data, makes above-mentioned corresponding processing according to different pieces of information then.

Audible alarm circuit 3 comprises triode Q2, Q16, integrated circuit A13 etc.; When the needs audible alarm, CPU passes through the 12nd pin of A12 high level of base stage to the triode Q16 of audible alarm circuit, triggers the work of " YIWYUE1 " sheet, and carries out power amplification by A13, promotes loudspeaker and sends police whistle sound.Play onsite alarming sound and threatening thief purpose.

Battery low-voltage circuit 12 comprises integrated circuit U2, triode Q9 etc.; Q9, R7, R8, R9, C2 constitute the cell voltage comparer, and two phase inverters of U2C, U2D constitute LF oscillator, and when voltage was undesired, this oscillator promoted battery low pressure pilot lamp D1 and flashes.When cell voltage just often, this oscillator is not worked, and makes D1 pilot lamp Chang Liang.So just finish battery low pressure and flashed the function of indication.

Line traffic control input circuit 9 comprises socket 22,24, diode D13, D14 etc.; When the external magnetic switch of 22,24 sockets moves, make respective handling by CPU after A5 is anti-phase, for look-at-me of CPU by D13, D14.

External loudspeaker control circuit 14 comprises triode Q3, relay J 1 etc.; When there is acoustic alarm in system, the Q3 conducting, the relay adhesive makes 25 energy out-put supplies, sends the high pitch chimes of doom for external alarming horn.

Power supply voltage stabilizing and battery charger 13 comprise triode Q14, stabilivolt D3 etc.; Constitute the 6.8V charger by R23, R4, D3, Q24 and battery E, reserve battery is carried out floating charging.P is 7805 three-terminal regulator blocks, for system provides power supply.

Wireless receiving circuit 8 comprises triode Q1, Q2, integrated circuit A7 etc.; The Armstrong circuit that constitutes by Q1, L1, C3, C4, C5, C6, C7 etc.When receiving external signal,, after the voltage ratio that A7, R10, R11, R12, R13 constitute is handled than shaping amplifier,, be sent to that 14 pin of AB carry out decoding processing in the decoding circuit again by the 7th pin output signal of A7 by the input of the 3rd pin of A7.

The utility model has following advantage compared to existing technology:

1, it is more to have a monitoring mode kind, and various monitoring modes coexistences do not interfere with each other, and are main Function is distinguished one by one and is processed, and the abnormal conditions that monitor have been adopted comparatively advanced mould Sticking with paste theory processes. Can reduce to greatest extent the comparatively general mistake in present safe technical precaution field The newspaper phenomenon. When strengthening system reliability, kept lower cost. Each monitors annex Adopt digital coding to communicate by letter with main frame, need not line. Install easier, reliable.

2, a voice system that is used by systematic microprocessor programming segmentation is arranged. Can be better Dial artificial CALL platform, this will make this device have stronger adaptability. This device When reporting to the police, can offer an explanation different signals, broadcast different language information is (for example: theft alarm, ask Rescue, fire alarm), and owner message, warning live recording etc. Function is more powerful.

3, all basic operations both can be carried out with telepilot, also can operate by password when the strange land phone is squeezed into; Also can use manual mode to operate, operate more flexible.

Claims (5)

1, a kind of home security fire prevention calling alarm device, comprise audible alarm circuit 3, battery low-voltage circuit 12, power supply voltage stabilizing and battery charger 13, external loudspeaker control circuit 14, housing 15, it is characterized in that: also have single chip machine controlling circuit 1, automatic dial-up circuit 2, audio record circuit 4, handfree circuit 6, decoding circuit 7, wireless receiving circuit 8, line traffic control input circuit 9, ringing circuit 10, remote telephone audio decoding circuit 11, monitoring condition sound circuit 5, the signal of wireless receiving circuit 8 outputs is delivered to single chip machine controlling circuit 1 after decoding by decoding circuit 7, single chip machine controlling circuit 1 is all delivered in the output of line traffic control input circuit 9 and ringing circuit 10, automatic dial-up circuit 2 is delivered in the output of single chip machine controlling circuit 1 respectively, audible alarm circuit 3, audio record circuit 4, monitoring condition sound circuit 5, handfree circuit 6 and remote telephone audio decoding circuit 11, audio record circuit 4 joins with handfree circuit 6.

2, warning device according to claim 1 is characterized in that: electronic circuit board is located in the coverboard 15, and housing 15 is made the telephone set shape, and its surface is provided with telephone key-press.

3, warning device according to claim 1, it is characterized in that: output 7 pin of integrated circuit U4 join by 6 pin of resistance R 35 phase inverter A5:b and single chip machine controlling circuit A6 in the ringing circuit 10,9 pin of integrated circuit U3 link to each other with 19 pin of integrated circuit A3 in the automatic dial-up circuit 2, and the 51A among integrated circuit A9, A10, the A11,51B, 51C, 51INH1,51INH2,51INH3 link to each other with 2,5,6,9,12,15,16,19 pin of A3 respectively.

4, warning device according to claim 1, it is characterized in that: the collector of triode Q1 links to each other with 2 pin of integrated circuit U5 in the remote telephone audio decoding circuit 11 by capacitor C 36, resistance R 39, and 11,12,13, the 14 pin output decoder data of U5 are delivered to single chip machine controlling circuit.

5, warning device according to claim 1 is characterized in that: 7 pin of integrated circuit A7:B link to each other with 14 pin of integrated circuit A8 in the decoding circuit 7 in the wireless receiving circuit 8, and 10～13 pin of A8 link to each other with 15,17,14,13 pin of integrated circuit A7.

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