Summary of the invention
The utility model aims to provide a kind of infrared ray voice safety notice, it both can transfer vision information, can be effectively from vision with acoustically people are reminded, play warning function, thereby cause the attention of people effectively to unsafe factor, prevent bad accident to take place, avoid the person to come to harm.
The technical solution of the utility model is:
The box shell is provided with the tag card slot and the tag card of packing into, the shell outside is provided with audio element, heat is released infrared sensor and light-emitting component, heat is released infrared sensor and is connected photoelectrical coupler by infrared sensor signal processor in the box, the output connecting microprocessor of photoelectrical coupler and tag card recognizer, the output of microprocessor connect the loudspeaker of power amplifier and audio element through audio record circuit.
Infrared sensor signal processor adopts the BISS0001 chip; The tag card recognizer adopts light emitting diode and photoresistance to form the correlation optocoupler, has the tetrad identification code that faces the correlation optocoupler on the tag card; Microprocessor adopts the AT98C2051 singlechip chip; Audio record circuit adopts the APR9600 recording and playback ic; Power amplifier adopts LM4800 to amplify chip; Audio element adopts loudspeaker and hummer, and light-emitting component adopts the LED light emitting diode.
This alarming device box shell back side has magnetic, and the box shell upper has the stay cord of suspension hole, hangs stay cord and disposes magnet hook or hook with sucker.
The side of this alarming device box shell is provided with tag card slot, audio frequency input socket, function extension socket and power switch, and the back side of box shell is provided with battery compartment and record button.
The length of this alarming device box shell is 195mm, and wide is 135mm, and thick is 12mm; Tag card thickness 1.5mm, long 188mm, wide 65mm.
Principle of work of the present utility model is: when human body enters the security monitoring zone, heat is released infrared sensor and is received the infrared ray that human body distributes, and convert thereof into electric signal, the output terminal of releasing infrared sensor by heat is connected to the input end of infrared sensor signal processor, after the two-stage amplification, output signal is sent into two-way amplitude discriminator, detect effective trigger pip and deliver to state controller.The delay time timer is by the setting value delay time of outward element resistance and electric capacity, at last via state controller output high level.The corresponding conducting in the former limit of photoelectrical coupler, secondary becomes low resistance state by high-impedance state, and microprocessor, audio record circuit and power amplifier obtain operating voltage.Low level and high level appear in the port of microprocessor chip respective leds and hummer, make LED flash luminous, hummer is intermittently rung, and starts caution and the message sound bite prerecorded in the recording and playback ic simultaneously, sends prompting and message voice by loudspeaker.Recording and playback ic also can be recorded different sound bites according to the difference of the tag card that inserts in the alarming device box.When the people leaves effective range, after the time-delay end of infrared sensor signal processor the former limit of photoelectrical coupler is ended, microprocessor, audio record circuit and power amplifier quit work, and enter battery saving mode.Only have infrared sensor signal processor in running order, total system is waited for once more and being triggered, enters the stand-by operation pattern.
Description of drawings
Fig. 1: basic block diagram of the present utility model;
Fig. 2: circuit diagram of the present utility model;
Fig. 3: outward appearance front view of the present utility model;
Fig. 4: outward appearance right view of the present utility model;
Fig. 5: outward appearance rear view of the present utility model;
Fig. 6: sign plug-in card front view of the present utility model.
Among the figure: 1 magnet hook, 2 hang stay cord, and 3 hang the stay cord hole, 4 magnetics, 5 tag cards, 6 plug-in card identification probes, 7 loudspeakers, 8 hummers, 9 heat are released infrared sensor, 10 LED light emitting diodes, 11 announcement record buttons, 12 MIC, 13 tag card slots, 14 audio frequency input sockets, 15 function extension sockets, 16 power switches, 17 battery compartments, 18 record buttons, 19 identification code, 20 infrared sensor signal processors, 21 photoelectrical couplers, 22 microprocessors, 23 audio record circuits, 24 power amplifiers, 25 tag card recognizers, 26 direct supplys.
Embodiment
As shown in Figure 1, present embodiment comprises replaceable secure ID box, heat is releasedinfrared sensor 9, infrared sensor signal processor 20(IC1), photoelectrical coupler 21(IC2), microprocessor 22(IC3), 8 sections speech recording and reproducing integrated circuit 23(IC4), power amplifier 24(IC5), power-supply system, the output terminal that heat is releasedinfrared sensor 9 is connected to the input end of signal processing integrated circuit IC1, the output terminal of IC1 is isolated and control microprocessor IC3 by IC2, wherein the output state of microprocessor IC3 is controlled by plug-in card identification circuit state and IC2 state, the IC3 output terminal is connected to the input end of audio record circuit IC4, the sound signal of IC4 output terminal is connected to the input end of power amplification circuit IC5, promotes loudspeaker by the IC5 output terminal.
This portable intelligent phonetic warning device adopts housing carryingmagnetic body 4, various fixed modes such asmagnet hook 1 or hook with sucker, burnishing surface such as power distribution cabinet, control box, metallic door etc. can adopt the magnetic 4 of housing to hang fixing, to irregular, then hang fixingly by hangingstay cord 2 andmagnet hook 1 as the steam pipeline, it is fixing then can to adopt hook with sucker to hang to the nonmagnetic material burnishing surface.
Shown in Figure 2, when human body enters the security monitoring zone, heat is released infrared sensor and is received the infrared ray that human body distributes, and convert thereof into electric signal, release the S end of infrared sensor by heat and export the input end (14 pin) that is connected to signal processing integrated circuit IC1, after the two-stage amplification, output signal is sent into two-way amplitude discriminator, detect effective trigger pip and deliver to state controller.The delay time timer is by outward element (R8, R9, C8, C9) setting value delay time, and 1 pin level by IC1 is provided with triggering mode (but native system is set to the repeated trigger mode) again, at last via state controller output high level (2 pin).
Be connected the photoelectrical coupler former limit conducting of 2 pin of IC1, secondary becomes low resistance state by high-impedance state, triode (Q1) saturation conduction, IC3, IC4, IC5 obtains operating voltage, microcontroller chip (IC3) electrification reset, make the port P3.5 (9 pin) of microcontroller chip (IC3) low level and high level alternately occur through programmed control, be added to the base stage of triode (Q2) by resistance (R21), Q2 replaces saturated and ends, make light emitting diode D1---D5 flicker luminous, hummer is intermittently rung, light emitting diode D1---D4 and photoresistance R16---R19 form 4 correlation optocouplers, tetrad on plug-in card coding is gone into microcontroller by the P3.1---P3.4 port reads, through obtaining the card numbering after the decoding, under programmed control, corresponding pin among the port P1.0---P1.7 is changed to low level, and deliver to respective pins among the M1---M8 of recording and playback ic (IC4), start the corresponding sound bite of prerecording.Sound signal is from the sp+ end output of recording and playback ic (IC4).
MSEL1, MSEL2, the M8 of recording and playback ic (IC4) are changed to high level, make its working method that is operated in 8 sections recording playback sounds, and record length determined by the external resistance of the OSCR of IC4 end, native system be set to every section 7.5 seconds.The RE end is in high level when tone playing state.
Sound signal is from the sp+ output of IC4, and process C19 and R32 are coupled to 4 pin of IC5, after the IC5 power amplification, from 5 pin and the output of 8 pin, promotes loudspeaker plays.The gain of IC5 determines that by the ratio of R33 and R32 C19 is used for the setting audio responding range, and 1 pin of IC5 connects positive source by R31, is changed to working method.
The Multitake recording function: when recording the 1-7 section, be inserted with the card of 1-7 sections coded messages earlier, K1 and K2 then simultaneously push button, recording chip (IC4) RE end is changed to low level, port P3.0 with microprocessor (IC3) is changed to low level simultaneously, after microprocessor detects effectively low level, through time-delay, the corresponding pin of the numbering of plug-in card is changed to low level, and deliver to the M1---M8 respective pins of recording and playback ic, enter 1-7 section recording duty, the sound signal typing chip that microphone is received.
The tone information prompt facility:When recording the 8th section, insert the card of the 8th section coded message earlier, the K1 that pushes button then is changed to low level with the port P3.0 of microprocessor (IC3), and it is the 8th section coding that microprocessor identifies, and after detecting effective low level of P3.0, earlier P3.7 is changed to low level, after time-delay, P1.0 is changed to low level, the M8 pin of recording chip (IC4) is changed to low level, enters the 8th section recording working method.The sound signal typing chip that microphone is received.
Resistance R 26, R28, R30capacitor C 18 are formed the electric power bias circuit of capacitor microphone, the sound signal thatcapacitor C 16, C17 receive microphone is coupled to the MICIN and the MICREF pin of recording chip (IC4), amplify by inside, amplitude by AGC control circuit control audio signal, be coupled to inner recording circuit bycapacitor C 14, finish the recording of corresponding numbering section.
This machine is provided with external audio input recording function, and external audio disconnects built-in microphone channel simultaneously by jack CK2 input, and the realization external audio signal is recorded.
CK1 is used for the expansion of native system function, can insert other sensor assemblies, realizes multiple automatic monitoring warning function.
After the people left effective range, and the IC1 time-delay finishes,signal output part 2 pin recovered low level, and end on the former limit of IC2, and the IC2 secondary presents high-impedance state, triode Q1 ends, and IC3, IC4, IC5 quit work, and enter battery saving mode.Only have IC1 in running order, total system is waited for once more and being triggered, enters the stand-by operation pattern.