CN2229688Y - Antitheft alarm for door and window - Google Patents

Abstract

The utility model discloses an anti-theft alarm for a door and a window. The control circuit of the utility model is composed of a triggering circuit, a self-locking circuit, a delay circuit, a pulse triggering circuit, a storage circuit and a sending circuit which are connected with each other in turn, wherein, an alarm circuit and the self-locking circuit are connected with each other at same time. When the utility model is used, the wired calling alarm and the wireless calling alarm can be realized. The utility model has the advantages of strong anti-theft performance, timely alarm, low cost, etc. The utility model is favorable to the joint defense of the public order.

Description

A kind of door window antitheft alarm

The utility model relates to a kind of door window antitheft alarm, is applicable to shop, bank, enterprise and home security warning.

In prior art, burglar alarms such as door and window have the lock core of employing to make alarm switch connection warning circuit, when the people forces open the door lock, send the warning acousto-optic, and it is stolen that its deficiency is that thief's picking lock back room house owner people can not in time find.

The utility model purpose is to provide a kind of door window antitheft alarm that can realize network alarm and call alarm, and it is many to have the warning position simultaneously, antitheft strong door window antitheft alarm.

Technical solution of the present utility model is achieved in that the door window antitheft alarm is by controller, chimes of doom, light device and control circuit are formed, and control circuit comprises trigger circuit, it is made up of microswitch and relay, relay contact be installed on that door is gone up or door lock on; Warning circuit is connected with warning acousto-optic device with trigger circuit, and it is made of the bidirectional triode thyristor and the acousto-optical device of relay control, sends sound and light alarm during contacting; Latching circuit connects between trigger circuit and the warning circuit, and it is by a control loop that the contact constitutes of relay, even once receive alert signal contact and disconnect, control circuit is work as usual; Delay circuit is connected between latching circuit and the pulsed triggering circuit, be common circuit, being used for control triggering electric circuit here is interrupted conducting, it is made of the NE556 dual time-base ic, being divided into two timing units is circuit A unit idle hours (1/2NE556) and working time circuit B unit (1/2NE556), be coupled to each other, set up working cycle and take turns to operate; Pulsed triggering circuit is connected in after the delay circuit, constitute by three NE555 integrated circuit, each unit that is coupled to each other, three unit is made of a NE555 integrated package, transistor 3DG12 and relay, can send three pulse signals at interval when each conducting, goes to trigger storing and transtation mission circuit; Store and transtation mission circuit, be connected with pulsed triggering circuit, telephone set for the band memory function, promptly use the Hands-free key in the telephone set, pick-up key, redial key circuit, respectively by three relay controls in the trigger circuit in the arteries and veins, the beeper of control resident family can be realized wired, radio-paging warning, reaches the purpose of timely warning

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is the utility model circuit block diagram;

Fig. 2 is that the utility model is used synoptic diagram on door;

Fig. 3 is the warning circuit schematic diagram;

Fig. 4 is the delay circuit schematic diagram;

Fig. 5 is the pulsed triggering circuit schematic diagram.

Referring to Fig. 1, the control circuit of door window antitheft alarm is made up of trigger circuit, latching circuit, delay circuit, pulsed triggering circuit and the storage and the transtation mission circuit that connect in turn, and warning circuit is connected with latching circuit simultaneously.

Referring to Fig. 2, on door, to be applied as example, be equipped with two door locks on the door, one is built-in lock 1, and another is a stripping formula built-in lock 2, and trigger circuit are by microswitch AQ and relay J _KConstitute the (see figure 3) relay J _KDraw two contacts, a contact is microswitch 3 (AQ), is installed in door and doorframe junction, and the control pellet shot from a slingshot on the crosshead lock core 4 on contact and the stripping formula built-in lock 2 is connected.

Referring to Fig. 3, warning circuit is by relay J _KThe two-way controlled and acousto-optical device L of control constitutes, and latching circuit is a relay J _KA contact J _K1The control loop that constitutes when the people forces open the door or pound the door, is connected microswitch 3, button AQ closure, and trigger circuit are connected, J _KMust be electric, latching circuit J _K1Connect, even microswitch disconnects, also report to the police as usual, simultaneously J _K2Adhesive, warning circuit is connected, L, D sends sound and light alarm, also can adopt various language blocks for loudspeaker D, sends epigram, prevents pilferage then and there.

Referring to Fig. 4, when realizing sound and light alarm, K ₁Closed also self-locking, J ₁Relay gets electric, J _1-1Closure, delay circuit is connected.This circuit is made of the NE556 dual time-base ic, is divided into two timing units, and promptly circuit A unit idle hours (1/2NE556) and working time circuit B unit (1/2NE556) have been set up working cycle each other and coupled, and take turns to operate.

Two timing unit circuit of this circuit are used for the idle hours and the working time of gating pulse trigger circuit respectively, its course of work [summary]: work as J _1-1Closure, circuit is switched on, and the B unit at first is triggered, and G is auspicious to be high level, transistor 3DG2 conducting, relay J ₂Adhesive, pulsed triggering circuit is switched on, and starts working, and the working time that B is controlled the unit is by R ₁₀, C ₅Numerical value decision.Because the circuit of two unit is coupled to each other, control mutually, its idle hours, idle hours was by R by the control of A unit 1/2NE556 timing circuit ₅, C ₃Numerical value decision.Suitably regulate R ₅, C ₃, R ₁₀, C ₅, numerical value, can be desirable obtain idle hours and working time.This circuit has been realized 8 seconds of working time, 15 second of idle hours the gating pulse trigger circuit.

Referring to Fig. 5, under the control of delay circuit, relay J ₂Must be electric, J _2-1The make pulse trigger circuit must be established beginning work by cable.Its working time and idle hours are to carry out under the control of delay circuit, are still 8 seconds working times, 15 seconds of idle hours.

Pulsed triggering circuit is to be made of three NE555 time-base integrated circuits.Similar to delay circuit, also form by M, N, three element circuits of L.Each unit is by a NE555 integrated circuit transistor 3DG12 and relay J ₃Constitute.Three unit couple each other, work alone by certain sequential again, go to finish task separately respectively, promptly trigger and store and transtation mission circuit by certain sequential, this circuit is the phone of band memory function, being pulsed triggering circuit triggers hands-free (M/F) on the modern telephone machine by certain sequential, extracts (AD) and redials (RD) key, respectively by three relay J in the circuit _3-1, J _3-2, J _3-3Control.Its course of work [summary]: pulsed triggering circuit gets electric work and begins, as seen from the figure, the triggering characteristics of three element circuits are: the M unit is directly triggered voluntarily by power supply and starts, the N element circuit triggers by the M unit, the L element circuit triggers by the N element circuit, after the triggering, delay time.The M element circuit is by R ₁₃, C ₆, numerical value decision, the N element circuit is by R ₁₇, C ₉, numerical value decision, triggerings sequential be M-N-L in proper order, be that a circuit working was just arranged every 2 seconds.

After three unit delay circuits being made up of NE555 triggered and start, each unit output terminal was all sent a high level pulse, makes three transistor 3DG12 conducting respectively, relay J _3-1, J _3-2, J _3-6, adhesive, go to finish the relative trigger task, promptly by send a trigger pip every the sequential in 2 seconds, remove to finish hands-free (M/F) respectively, extract (AD) and redial (RD) task.J _3-1Hands-free key in the conducting telephone set, J _3-2Pick-up key in the conducting phone, J _3-3Redial key in the conducting telephone set.Can directly start for the regular phone machine, can start handset, carry out networking control for the primary and secondary telephone set.Be stored in beeper number in the telephone set in advance like this, send automatically during by the own alert of pulsed triggering circuit.And under the control of delay circuit, J ₃Every work once (8 seconds) rested 15 seconds then, did and for the second time repeated to send.Owner hears that the alert signal is stolen in the family as can be known, can report a case to the security authorities immediately.Can adopt centralized management for residential building, handset of one family, machine tool is nursed by the entrance guard chamber, pulsed triggering circuit trigger handset in the each household hands-free, send machine tool after extracting, redial three keys, being sent to notify from a phone call by machine tool again send beeper to receive, the entrance guard personnel also find the alert signal simultaneously, judge which family is stolen.

In like manner, when the people prizes stripping formula built-in lock core 4, also can connect control circuit and send the alert signal.

Goodbye Fig. 2, electromagnetic self-locking valve 5 of controller control, one touch that built-in lock 1 lock core marble connects on the dotted or gate, and the control lever 6 on the electromagnetic self-locking valve 5 inserts door and goes up in stripping 7 bayonet sockets of stripping formula built-in lock.

When normal door, at first hold built-in lock 1 (can produce warning) as holding built-in lock 2 earlier, electromagnetic self-locking valve 5 gets electric, and control lever 6 is drawn back, and control circuit outage simultaneously can not reported to the police when holding built-in lock 2 again.

Advantage of the present utility model and good effect are: 1, increased microswitch, not only Picking lock can be reported to the police and be forced open the door, pounds the door and can report to the police equally. 2, increased the control of electromagnetic self-locking valve System makes with safe-guard door lock antitheft and has added dual fail-safe, and security performance is stronger. 3, increase The sequential circuits for triggering, take full advantage of modern telephone equipment, in the sky man or unit phone is arranged With the resident family of beeper, then can at any time find in the family or unit stolen, be conducive in time report a case to the security authorities, Satisfy Modern Family's development need. 4, can realize the networking centralized management to resident family, be convenient to public security Joint defence.

Claims (2)

1, a kind of door window antitheft alarm is made up of controller, chimes of doom, light device and control circuit, and control circuit comprises:

Trigger circuit, it is by microswitch AQ and relay J _KConstitute, the relay J contact is by being loaded on door or the door lock;

Warning circuit is connected with warning acousto-optic device with trigger circuit, and it is made of the bidirectional triode thyristor and the acousto-optical device L of relay J control;

Latching circuit is connected between trigger circuit and the warning circuit, and it is by relay J _KThe control loop that constitutes of contact, it is characterized in that control circuit also comprises:

Delay circuit is made of the NE556 dual time-base ic, is divided into two timing units, and promptly circuit A unit idle hours (1/2NE556) and working time circuit B unit (1/2NE556) are coupled to each other;

Pulsed triggering circuit is connected with delay circuit; Be made up of three NE555 integrated circuit, three unit couple each other, and each unit is by a NE555 integrated package, transistor 3DG12 and relay J ₃Constitute;

Store and transtation mission circuit, be connected,, promptly use Hands-free key, pick-up key, redial key circuit in the telephone set, respectively by three relay (J in the pulsed triggering circuit for the telephone set of band memory function with the sequential trigger circuit _3-1, J _3-2, J _3-3) control.

2, according to the described door window antitheft alarm of claim 1, it is characterized in that trigger circuit have two contacts, one is connected on the last stripping formula built-in lock crosshead lock core control pellet shot from a slingshot, and microswitch is adopted in another contact, is installed in door and doorframe junction.

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