CN2346009Y

CN2346009Y - Electronic anti-theft alarm

Info

Publication number: CN2346009Y
Application number: CN 98229896
Authority: CN
Inventors: 曹建华
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-11-13
Filing date: 1998-11-13
Publication date: 1999-10-27
Anticipated expiration: 2008-11-13

Abstract

The utility model provides an electronic anti-theft alarm, which comprises a power supply and an alarming device. The utility model is characterized in that the electronic anti-theft alarm also comprises an alarm driver which is electrically connected with the alarming device, an alarm signal inputting device which is electrically connected with the power supply and a monostable trigger which is respectively and electrically connected with the alarm driver and the alarm signal inputting device. The electronic anti-theft alarm can have fortification in a plurality of places according to requirements and have an anti-breakage function and an anti-picking function for covers; besides, an encode type wireless remote control is adopted, and therefore, false alarms can be prevented and the electronic anti-theft alarm is used conveniently without repeated encoding; the utility model has the advantage of better security performance; therefore, the electronic anti-theft alarm is an anti-theft alarming device with complete function, more defence zones and convenient operation.

Description

A kind of electronic anti-theft alarm

The utility model relates to a kind of electronic anti-theft alarm, the many defence areas of especially a kind of family type, multi-function robbery protection alarm.

In the prior art, use is at civilian objects such as automobile, bicycles, and the electronic anti-theft alarm of important departments such as warehouse, bank, market is existing many, as the alarm that infra-red alarm, ultrasound wave alarm, temperature gas sensor constitute, these alarms can brought into play due effect in usable range separately.But these alarms are owing to many reasons such as its cost height, installation inconvenience, can not enter family and use, therefore, most of families can only be set up defences by installation antitheft door, burglary-resisting window, and this anti-theft measure one is dangerous, the 2nd, and it is attractive in appearance to influence modernized urban.So developing home-use burglar alarm has become an important topic.

The purpose of this utility model is to provide a kind of and has multiple functions such as anti-broken string, anti-power failure, pick-proof lid, and many defence areas and wirelessly set up defences, tear open anti-electronic anti-theft alarm.

The utility model is realized by following technical proposal: it comprises power supply, alarm, it is characterized in that it also comprises the warning driver that is electrically connected with alarm, the alerting signal input unit that is electrically connected with power supply, and the monostalbe trigger that is electrically connected with warning driver and alerting signal input unit respectively.Described alerting signal input unit is made of a plurality of reverser D1 and corresponding resistance R, capacitor C and diode V, wherein each reverser D1 and corresponding resistance R, capacitor C and diode V form a defence area circuit, and the input end in each defence area all is connected with sensor contact, sensor adopts commercial sensor such as infrared ray, ultrasound wave, temperature humidity, smog gas, when the people enters the room the shake-up sensor, by the switch activated alerting signal input unit work of sensor contact.Described monostalbe trigger is made of integrated package D2, resistance R 7 and R8, capacitor C 8-C10, the input end of this trigger is connected with the output terminal of alerting signal input unit, output terminal is connected with the warning driver input end, do so that trigger on the warning driver, also time of fire alarming can be set simultaneously, for preventing that the alarm cover from illegally being opened, the pick-proof lid arrangement is set on this trigger.Described warning driver is by triode V9, V11, relay J, resistance R 8, R9, R10, R12, capacitor C11 forms, and its output terminal is connected with alarm, for avoiding wrong report and convenient the use, on this warning driver, Digiplex is set, the withdrawing from of setting that is used to guard against or warning.

The utility model compared with prior art has following advantage and extremely long-pending effect: because such scheme is set up defences many places the utility model as required, and has an anti-broken string function, pick-proof lid function, promptly when the line of sensor or wiring is cut off and alarm cover when being pried open, alarm is reported to the police immediately.In addition, adopt the coding type wireless remote control, prevent wrong report, and make coding be difficult for repeating, have security performance preferably, this machine is provided with output contact simultaneously, can drive phone and dial the alarm call that sets in advance automatically, therefore, be a kind of multiple functional, the defence area is many, burglar alarm easy to use.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the circuit structure diagram of the utility model.

The embodiment that provides below in conjunction with accompanying drawing is described further the utility model, is not limited only to this but hold within the utility model.

Among Fig. 1,1 is transformer, and 2 is rectifier, and 3 is accumulator, is electrically connected the back between them and constitutes power supply, and 4 is alarm, adopts the super loudness alarm of TWH-11 type, and 5 are the warning driver, and 6 is the alerting signal input unit, and 7 is monostalbe trigger.

Alerting signal input unit among Fig. 2 is provided with 6 couples of sensor contact switch XK1-XK6, forms six defence areas, the sensor normally closed interlock in each defence area, and after the single or multiple series connection, a termination input end X, other end ground connection.The input end X1-X6 in each defence area respectively with resistance R 1-R6 with after capacitor C 1-C6 one end links to each other, accordingly with input end 1 pin of reverser D1,3 pin, 5 pin, 7 pin, 9 pin, 11 pin, 13 pin link to each other, the resistance R 1-R6 other end all links to each other with power supply, the equal ground connection of the other end of capacitor C 1-C6, output 2 pin of reverser D1,4 pin, 6 pin, 8 pin, 10 pin, 12 pin link to each other with diode V1-V6 negative pole accordingly, the anodal of diode V1-V6 all is connected with the 2nd pin of integrated package D2, reverser D1 adopts integrated circuit 4069, its input end is a low level, output terminal is a high level, when external cause triggers sensor or cuts off the sensor on line, make input end XK1 open circuit, the current potential of reverser D1 input end 1 pin is carried by pull-up resistor R1 and is high level, at this moment output terminal 2 pin of reverser D1 become low level, trigger monostalbe trigger by diode V1, drive the warning drive operation, capacitor C 1 is in parallel with sensor contact XK1 to play jamproof effect, and the principle of work in all the other defence areas is identical therewith.

Integrated package D2 in the monostalbe trigger is 555 integrated circuit, the 2nd pin of this D2 also with R7, S1S2, the end of S3 is connected, the 6th pin of D2 is connected with the negative pole of diode V10 simultaneously, the 4th pin of D2, the other end of the 8th pin and R7 is connected with power supply, S1, S2, the other end of S3 respectively with capacitor C 8, C9, the positive pole of C10 links to each other, capacitor C 8, C9, the minus earth of C10, the 5th pin of D2 links to each other with capacitor C 7 one ends, the other end ground connection of capacitor C 7, the 1st pin of D2 links to each other with the end of pressing switch S5, the 7th pin ground connection of the other end of pressing switch S5 and D2, the 3rd pin of D2 links to each other with an end of resistance R 8, the other end of R8, the end of R10, the end of C11 links to each other with the base stage of triode V9, the other end of R10 links to each other with the IO end of wireless receiving module TWH9238, the other end ground connection of C11, the 2nd pin of D2 is a high level, the 3rd pin is a low level, when the alerting signal input unit has trigger pip, when promptly alerting signal being arranged, low level signal of the 2nd pin input of D2, the monostable trigger upset, the 3rd pin output high level, transistor V9 conducting, the relay J adhesive, the work of driving warning device, the delay time of this trigger is by R7 and C8, C9, the C10 decision, C8, C9, the capacity of C10 is by S1, S2, S3 sets, thereby setting time of fire alarming, be 3 minutes during as the S1 short circuit, S1, be 13 minutes during the S2 short circuit, S1, S2, be 23 minutes during the S3 short circuit, pressing switch S5 is pick-proof lid function setting, when the alarm cover was intact, this switch was pressed, and the 1st pin of D2 is by S5 ground connection, when cover is prized, the 1st pin of D2 disconnects with ground, makes the 3rd pin output high level of D2, makes the warning drive operation.

The collector of the triode V9 of warning driver and an end of relay J coil, the positive pole of diode V7, the negative pole of diode V8, one end of resistance R 11 is connected, the other end of relay J coil and the negative pole of V7 connect power supply, the positive pole of V8 connects the positive pole of diode V21, one end of resistance R 9 and the minus earth of V21, another termination power of R9, the positive pole of another termination V10 of R11, the emitter of triode V9 is connected with the collector of V11, the base stage of V11 is connected with the end of R12, the other end of R12 is connected with the A end of wireless receiving module TWH9238, the emitter of V11 is connected with ground, described wireless receiving module WTH9238 matches with its assembly wireless remote control emitter, press the A key of transmitter when setting up defences, receiver (being wireless receiving module WTH9238) A end output high level, be added to the base stage of triode V11 by resistance R 12, make the V11 conducting, for the conducting of triode V9 provides path, receiver IO end is exported a Pulse Electric simultaneously, be added to the base stage of V9 by R10, at this moment V9 moment conducting, make also moment adhesive of relay J, drive alarm and send a minor, then setting completed in the expression warning, and warning device enters alarm condition, otherwise presses the B key of transmitter, receiver (being wireless receiving module WTH9238) A holds output low level, triode V11 ends, and warning device quits work, and the current collection of while triode V9 is high level very, be added to the 2nd pin of D2 by R11 and V10, charge for C8-C10 rapidly, make monostable trigger return to steady state (SS), for task is ready down.

Power supply is made up of transformer T, rectifier V13-V16, diode V18-V20 and capacitor filtering device C13-C16, resistance R 15 and three terminal regulator D3, accumulator E, the 220V AC supply voltage transfers the 12V AC power to through transformer T, become the 12V pulse direct current by full wave rectifier V13-V16, become pure direct current through C13, C14 filtering again, this direct current is divided into two-way, lead up to V18, V19 and D3, through C15, the C16 12V direct supply after filtering obtains voltage stabilizing once more, use for alarm.Charge to accumulator E through V18, R15 and RX2 in another road, when external power cut off the power supply, accumulator E work was powered to alarm by RX2, V20 and D3.

This alarm is provided with three paths of LEDs pilot lamp, and V17 and R14 form the AC power pilot lamp, and during Alternating Current Power Supply, this lamp is bright, otherwise then goes out.V21 and R9 form working station indicator, and alarm just often this lamp is bright.V8 and R9 form alarm lamp, and this lamp is bright during warning.

Claims

1, a kind of electronic anti-theft alarm, it comprises power supply and warning device, it is characterized in that it also comprises the warning driver that is electrically connected with warning device, the alerting signal input unit that is electrically connected with power supply, and the monostalbe trigger that is electrically connected with warning driver and alerting signal input unit respectively.

2, alarm according to claim 1, it is characterized in that described alerting signal input unit is made of a plurality of reverser D1 and corresponding resistance R, capacitor C and diode V, wherein each reverser D1 and corresponding resistance R, capacitor C and diode V form a defence area circuit, and the input end in each defence area all is connected with sensor contact.

3, alarm according to claim 1, it is characterized in that described monostalbe trigger is made of integrated package D2, resistance R 7 and R8, capacitor C 8-C10, the input end of this trigger is connected with the output terminal of alerting signal input unit, and output terminal is connected with the warning driver input end.

4, alarm according to claim 1 is characterized in that described warning driver by triode V9, V11, relay J, and resistance R 8, R9, R10, R12, capacitor C11 forms, and its output terminal is connected with alarm.

5, alarm according to claim 2, it is characterized in that the alerting signal input unit each defence area input end X1-Xn respectively with resistance R 1-Rn with after capacitor C 1-Cn one end links to each other, link to each other with each input pin of reverser D1 accordingly, the resistance R 1-Rn other end all links to each other with power supply, the equal ground connection of the other end of capacitor C 1-Cn, each output pin of reverser D1 links to each other with diode V1-Vn negative pole accordingly, and the anodal of diode V1-Vn all is connected with the 2nd pin of integrated package D2.

6, alarm according to claim 3, it is characterized in that monostalbe trigger integrated package D2 the 2nd pin also with R7, S1, S2, the end of S3 is connected, the 6th pin of D2 is connected with the negative pole of diode V10 simultaneously, the 4th pin of D2, the other end of the 8th pin and R7 is connected with power supply, S1, S2, the other end of S3 respectively with capacitor C 8, C9, the positive pole of C10 links to each other, capacitor C 8, C9, the minus earth of C10, the 5th pin of D2 links to each other with capacitor C 7 one ends, the other end ground connection of capacitor C 7, the 1st pin of D2 links to each other with the end of pressing switch S5, the 7th pin ground connection of the other end of pressing switch S5 and D2, the 3rd pin of D2 links to each other with an end of resistance R 8, the other end of R8, the end of R10, the end of C11 links to each other with the base stage of triode V9, the other end of R10 links to each other the other end ground connection of C11 with the IO end of wireless receiving module TWH9238.

7, alarm according to claim 4, the collector of triode V9 of driver and an end of relay J coil is characterized in that reporting to the police, the positive pole of diode V7, the negative pole of diode V8, one end of resistance R 11 is connected, the other end of relay J coil and the negative pole of V7 connect power supply, the positive pole of V8 connects the positive pole of diode V21, one end of resistance R 9 and the minus earth of V21, another termination power of R9, the positive pole of another termination V10 of R11, the emitter of triode V9 is connected with the collector of V11, the base stage of V11 is connected with the end of R12, and the other end of R12 is connected with the A end of wireless receiving module TWH9238, and the emitter of V11 is connected with ground.