CN2374924Y

CN2374924Y - Household security warner

Info

Publication number: CN2374924Y
Application number: CN 98225367
Authority: CN
Inventors: 顾群
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-16
Filing date: 1998-10-16
Publication date: 2000-04-19
Anticipated expiration: 2008-10-16

Abstract

The utility model relates to a household security alarming device, which belongs to an anti-theft alarming device; the utility model comprises a detector, a multiple-path alarm circuit which is composed of a voltage stabilizing diode, an operational amplification integrated circuit IC < 1 >, an NAND gate integrated circuit and a peripheric element. The input end of the IC < 1 > is provided with the voltage stabilizing diode; voltage of the inverted input end of the IC < 1 > is distributed in the shape of a stair; the output end of the IC < 1 > is connected in series. The utility model has the advantages of convenient wiring connection and low rate of false alarms, the detector has a two-way alarm function from inside to outside and from outside to inside, and the detector has the functions of prewarning lamp light and alarm recognition.

Description

The family public security warning device

The utility model belongs to burglar alarm, particularly relates to a kind of family public security warning device of wire transmission.

In background technology, the alarm of wire transmission alerting signal, mainly by the door and window detector, signal processing controller and warning circuit constitute, because line arrangement complexity, extension line are many, and need be with single-chip microcomputer or programmable device as signal processing controller, its cost is than higher, also has rate of false alarm height, problem such as difficult in maintenance in use.

The purpose of this utility model is to provide a kind of reasonable in design, and line arrangement is simple, the family public security warning device of strong interference immunity, thus provide effective guarantee for people's house safety.

The purpose of this utility model is achieved in that it comprises detector, multiple alarm signal recognition circuit and the warning circuit that joins successively, it is characterized in that described multiple alarm signal recognition circuit is by voltage stabilizing two pipe ZW, integrated circuit (IC) ₁, Sheffer stroke gate IC ₂And the peripheral cell formation, at IC ₁Input end between be provided with voltage stabilizing diode ZW, IC ₁Inverting input voltage be stepped appearance and distribute, its output terminal is in series.

Because the utility model is without single-chip microcomputer, thereby it can save the line between detector and the multiple alarm identification signal circuit, thereby can improve antijamming capability.

In conjunction with the accompanying drawings and embodiments, the utility model is further specified as follows:

Fig. 1 is a circuit block diagram of the present utility model

Fig. 2 is a multiple alarm identification circuit schematic diagram of the present utility model

Fig. 3 is one of detector schematic diagram of the present utility model

Fig. 4 is two of a detector schematic diagram of the present utility model

With reference to accompanying drawing: the utility model comprises detector 1, multiple alarm identification circuit 2 and the warning circuit 3 that is connected successively.Wherein: multiple alarm identification circuit 2 is by voltage stabilizing diode ZW, Sheffer stroke gate IC ₂₁～IC ₂₆, integrated circuit (IC) ₁And peripheral cell is formed IC ₁Adopt commercially available TA7666 operational amplifier integrated package, at IC ₁ Input end pin 1, pin 2 and pin 15, pin 16 between be connected to voltage stabilizing diode ZW, the output terminal of the negative electrode of ZW and detector 1 joins, at IC ₁ Output terminal pin 3 be serially connected with IC ₂₄, resistance R ₁₄With triode BG ₄, at triode BG ₄Collector be connected to LED ₄Thereby, constitute a luminous display circuit, at IC ₁Output terminal, be equipped with corresponding luminous display circuit on pin 5, pin 7, pin 10, pin 12 and the pin 14, each luminous display circuit output terminal is in series and is connected to corresponding diode D ₁～D ₅, when the output signal of detector 1, during less than the voltage stabilizing level of voltage stabilizing diode ZW, at LED ₄～LED ₆Between show, and when being higher than the inverting input voltage of amplifier 1, IC ₁Pin 7 output low levels, through IC ₂₆Anti-phase back one tunnel makes BG ₆Conducting, LED is luminous, and the corresponding detector 1 of expression has robber's feelings, and another road signal conveys is given warning circuit 3, and warning circuit 3 is reported to the police, when input signal during greater than the reverse inter-input-ing voltage of amplifier 3, IC then ₁ Pin 5 be made as low level, i.e. BG ₅Conducting LED ₅Luminous, and carry alerting signal to warning circuit 3 equally, because LED ₁～LED ₆For series system joins, have successively to show principle, work as BG ₅Conducting, LED ₅When luminous, through D ₅Step-down makes LED ₆Can not reach the light electricity and press, and when input signal during greater than the voltage stabilizing level of voltage stabilizing diode DW, DW is breakdown, at LED ₁～LED ₃Between show IC at this moment ₁Pin 3,5,7 be output as low level, warning circuit 3 warning that is triggered too.The mode of optical diode demonstration that the utility model has adopted six also can be connected into ten display circuits as required, uses to adapt to different occasions.

In Fig. 3, detector 1 comprises integrated circuit (IC) ₃And peripheral capacitor C ₂, C ₃, crystal oscillator JZ ₁With emission pilot lamp LED ₉The detection higher-order of oscillation coding circuit of forming, its emission state is subjected to IC ₃Pin 3 control, pin 3 and integrated circuit (IC) ₈ Control end pin 3 join triode BG ₇, BG ₈, adjustable resistance RW ₁With infrared transmitting tube D ₀₁Formed the active infra-red radiating circuit, BG ₇Base stage and IC ₃Pin 15 join integrated circuit (IC) ₄, capacitor C ₄, C ₅, crystal oscillator JZ ₂And LED ₈Constitute active infrared detection higher-order of oscillation coding circuit, and triode BG ₉, BG ₁₀, adjustable resistance RW ₂With infrared transmitting tube D ₀₂Consist of the active infra-red radiating circuit, infrared transmitting tube D ₀₁, D ₀₂The coding infrared ray that sends is by active infra-red receiving integrate circuit IC ₆Receive IC ₆Output termination triode BG ₁₁Base stage, BG ₁₁Collector connecting resistance R ₁₇And decoding integrated circuit IC ₇Pin 2, IC ₇Pin 3 through capacitor C ₇Be linked into collector IC ₉Pin 2, IC ₇Pin 4 and BG ₁₂Base resistance R ₁₉Join resistance R ₁₉Triode BG ₁₂, LED ₉, resistance R ₁₈Constitute an alarm indication circuit, IC ₇Pin 4 simultaneously and analog switching ic IC ₈Pin 6 join triode BG ₁₂Collector and IC ₈ Pin 5 join IC ₈Output terminal pin 11, pin 12 respectively with the input end and the alarm lamp DYB of multiplexed detection identification circuit 2 ₁Join adjustable resistance RW ₄, capacitor C ₇, C ₈, C ₉, pilot lamp DYB ₁With delay circuit IC ₉Constitute early warning delayed lamp optical circuit, when its effect is the early warning triggering, can keep one section luminous and early warning signal passing time of early warning, IC ₇Pin 3 also and IC ₁₀, BG ₁₃, a loudspeaker Y ₁The input end of the early warning bass sound circuit of forming joins, and to trigger the early warning sound, the warning output circuit is by analog switching ic IC ₈, resistance R W ₃Constitute IC ₈Pin 8,14 and power supply join its pin 12 and IC ₉Pin 3 joins, and its effect is when having the people to trigger early warning outside window, and early warning signal can not only be reached multiplexed detection identification circuit 2, also simultaneously can make alarm lamp DYB ₁Luminous, to draw back malice with fear near the person.

In Fig. 4, this is a detector 1 that can be installed on the body, comprise key switch circuit, touch time-delay and early-warning lamp optical circuit, early warning bass sound circuit gate alarm switch circuit and pre-alarm output circuit etc., wherein: the door key on-off circuit is by key switch MS, capacitor C ₁₁, resistance R ₂₁, R ₂₂, triode BG ₁₄, light-emitting diodes LED ₁₃Constitute resistance R ₂₂An end and BG ₁₄Base stage join the other end and MS and capacitor C ₁₁And meet BG ₁₄Collector and the LED that connects ₁₃And R ₂₁Join, early warning touch and early-warning lamp optical circuit 2 comprise ic chip ₁₂, adjustable resistance RW ₅Sensing chip G, capacitor C ₁₃, C ₁₄, C ₅Two utmost point D ₇With early-warning lamp DYB ₂, diode D ₇Positive termination IC ₁₃Pin 3, its negative terminal and IC ₁₄Input end join integrated circuit (IC) ₁₄, triode BG ₁₅, loudspeaker Y ₂Constitute early warning bass sound circuit, gate alarm switch MK connects resistance R ₂₄, R ₂₄The other end and resistance R ₂₃, diode D ₆Anode also meets D ₆Negative terminal and D ₇Negative terminal join resistance R ₃The other end connect capacitor C respectively ₁₀And IC ₁₂Pin 5, R ₂₃And C ₁₀Constitute the delay circuit of gate controlled switch MK, integrated circuit (IC) ₁₂Pin 11 and adjustable resistance RW ₅Join IC ₁₂ Pin 8 be output terminal, pin 12 and diode D ₆, D ₇The negative terminal phase also connects, its effect is when keyhole is touched, touch the signal transmission of circuit by early warning, export the early warning signal conversion to multiplexed detection identification circuit 2 and send early warning, when the people forces open the door, the alerting signal that the gate alarm switch circuit produces passes to multiplexed detection identification circuit 2 again, reach to the purpose of reporting to the police, and with key open the door and indoor open the door outdoor, the detector effect of closing of discerning automatically and delay time 10 seconds again of its detector 1---promptly withdraw a garrison, deploy troops on garrison duty and withdraw a garrison thereby reach automatic identification control detector 1.

Warning circuit 3 adopts known circuit form, therefore, does not give unnecessary details.

Claims

1, a kind of family public security warning device comprises the detector 1, multiple alarm identification circuit 2 and the warning circuit 3 that join successively, it is characterized in that multiple alarm identification circuit 2 is by voltage stabilizing diode ZW, integrated circuit (IC) ₁, the Sheffer stroke gate ic chip ₂And the peripheral cell formation, at IC ₁Input end be provided with voltage stabilizing diode ZW, the output terminal of its anode and detector 1 joins, at IC ₁Output terminal pin 3 on be connected to IC ₂₄Resistance R ₁₄With triode BG ₄, at triode BG ₄Collector be connected to LED ₄, and constitute a luminous display circuit, IC ₁Other output terminal be in series, and be connected to corresponding diode D ₁～D ₅

2, family public security warning device according to claim 1 is characterized in that described detector 1 comprises the key switch circuit, touches time-delay and early-warning lamp optical circuit, early warning bass sound circuit, door spy alarm switch circuit and pre-alarm output circuit.