CN2267493Y - All-purpose anti-theft alarm - Google Patents

Abstract

The utility model discloses an all-round homing burglar alarm, which mainly comprises an infrared monitor, an alarm, a signal sender, a doorbell, a telephone burglar alarm and the like. When the alarm is used, once a person illegally enters a room, no matter where the owner is, a theft alarm signal can be obtained, so that measures can be taken immediately, thieves can be stopped quickly and effectively, and the alarm also has the functions of preventing theft and calling by telephone and an electronic doorbell. It is the most effective anti-theft alarm facility in important places such as various warehouses, finance and the like and in family houses, and is an ideal substitute product for all existing anti-theft alarms.

Description

All can seek main burglar alarm

The utility model discloses a kind of warning device that can seek owner automatically.The various families of Chu Shouing and the electronic alarm in various important places in the market, regardless of structure, their common shortcomings are: owner one fixes on that antitheft place is not far just can be heard alarm sound and prevent the burglar effectively.Otherwise chimes of doom rings again, and owner does not hear or robber's breaking alarm loudspeaker that all are futile.Do not have effectively antitheft effect.

The purpose of this utility model is the deficiency that overcomes the traditional alert device, provide a kind of owner away from antitheft place, alarm still can so that owner comes back immediately or notify the near region acquaintance to prevent and the uniform robber, really play antitheft effect with stolen information notification owner.

The utility model is achieved in that whole to seek main alarm be that L1, L2 by outer line interface is connected in parallel on the telephone wire.Infrared ray monitor control phone impulse sender that is: illegally enters zone of protection as the robber, and the infrared ray monitor promptly sends control signal, makes the work of phone impulse sender.Owner's beeper that pre-deposits or Work Telephone number send by telephone line and post and telecommunications office's communication apparatus.Like this, no matter owner where, can both know the situation in antitheft place whenever and wherever possible.Really accomplish to feel at ease, make things convenient for, in time, effectively.

Except that possessing above-mentioned functions, also have phone anti-theft feature and doorbell function at the utility model.

Fig. 1 is the electrical principle block scheme that all can seek main burglar alarm;

Fig. 2 is a line synoptic diagram of sending out number plate and dialing integrated package N4;

Fig. 3 is the electrical schematic diagram that all can seek main burglar alarm.

Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is elaborated:

Fig. 1 shows the electrical principle block scheme that all can seek main formula burglar alarm.Power supply adopts the 6V dry cell to get final product.Infrared ray monitor one end links to each other with impulse sender, and the other end links to each other with alarm, in case there is the people illegally to enter antitheft place, preassembled infrared ray monitor just sends signal, the owner's communication number that pre-deposits is sent in the work of control phone impulse sender, notifies owner.Start the alarm device alarm simultaneously.The Device for anti-fraudulent use telephone line principle of work adopts existing known technology, no longer describes in detail.

Fig. 3 is the electrical schematic diagram that all can seek in the main formula alarm, alarm mainly contains by resistance R 9, R10, triode T4, T5, capacitor C 5, the Chinese speech integrated circuit N5 of loudspeaker Y and the soft encapsulation of employing (can select the XD-209 model for use, the voice that internal memory " has the thief; fast messenger " and so on), 4 pin are output pins, and R10 is a current-limiting resistance, T4, T5 complex pipe play amplification, just start working when alarm N5 obtains cathode power supply from D2.

Ir supervisor is by R1-6, and D1, T1, C1, N1, N2, N3 etc. form.Infraluminescence pipe D1 and photoresistance R4 divide on the both sides body of wall of shelling the ABC of or corridor of drawing and be installed in antitheft place or on other object with lead.Under the normal condition, behind the power connection, the infrared light of D1 directly impinges upon on the photoresistance R4, and its resistance is very little, and T1 does not have base voltage and ends, trigger end 2 pin of N1 are noble potential, exporting 3 pin is electronegative potential, and circuit is in stable state, N3 output electronegative potential after N2, N3 shaping, T2, T3 are still and end, the collector no-output.

As people's process D1, between the R4, photoresistance R4 is blocked because of the infrared light irradiation, resistance increases suddenly, the T1 pipe is because of R3, the R4 dividing potential drop obtains base voltage, saturation conduction immediately, make 2 pin of N1 become electronegative potential, then its 3 pin is output as noble potential, as the people D1 that passes by, behind the R4, though photoresistance R4 resistance in the dark under the infrared light irradiation diminishes, T1 ends, and the temporary stable state of N1 circuit does not finish at once, the stable state time is by R6 temporarily, the time expand decision that C1 forms, be T ≈ 1.1R6C1, select the R6C1 value to make delay time reach 2 minutes, N3 continues the noble potential of output, make alarm obtain positive supply and report to the police through D2, alerting signal is simultaneously through 1 of K4,2 back contacts and C7 are passed to outside line L1 through D3-D6, L2 notifies owner.On the other hand, the positive pole of N3 makes T2, T3 saturation conduction simultaneously, and its collector output electronegative potential starts impulse sender.

Impulse sender is mainly by R11, R12, T6, T3, T4, R7, R8, C3, C4, the dialing integrated package of telephone set (this figure HM9114) N4, and outer 6 of the N4 that is connected on, crystal oscillator G (3.58MHZ) on 7 pin sends the audio frequency dialing signal with the N4 cooperating, the 1-4 pin of dialing integrated package and 18-22 pin are connected the extension line (see figure 2) of dialing plate respectively, the 5th pin ground connection, 17 pin connect positive source, 9 pin are to start input pin, on be connected to one and preset button K1, electronegative potential just can carry out keyboard operation, 10 pin are pulse output pins, connect noble potential during audio frequency dialing mode, 11 pin are audio frequency dialing signal output pins.This integrated package has memory storage number and heavily pulls out function (Chinese Central Television's lecture teaching material " telephone principle and maintenance " is seen in the application circuit of HM9114 and pin explanation).With button K1 by after closing, 9 pin are obtained electronegative potential and are started N4, prestore phone, beeper or the mobile telephone number of appointment of operation keyboard just is stored in integrated chip and suffered, heavily pulling out key actual is the short circuit of 1 pin and 22 pin, its principle of work is: when the 3 pin output noble potential of N3, N2 exports electronegative potential, 9 pin through N4 start N4, prepare to send out number, T6 saturation conduction L1, L2 obtain a low-resistance loop through c, the e utmost point of D3-D6, R12, T6 at this moment, be equivalent to the phone off hook state, post and telecommunications office's switch is also occupied, prepares to accept dialing signal.Among the figure: C3, C4 suitably postpone full fashionable of T2, T3, guarantee the preferential conducting of T6, and when T2, T3 saturation conduction, their collector all are an electronegative potential, and equivalence is the short circuit of 1 and 22 pin of N4, and the number that prestore this moment is just seen off from 11 human hair combing wastes.When owner's answerphone, just can hear the theft alarm voice that transmit through 1,2 contacts and the C7 of K4 from warning circuit; When owner is when using BP, can pre-deposit the number of the BP number and 110 (theft alarm) of oneself, beeper shows calls for help telephone number and theft alarm number.Like this, no matter owner where, will arrive the telephone number in place (as office as long as deposit in before going out, the reception room phone) or the mobile telephone number of oneself, the beeper number just can the distant whenever and wherever possible security situation of knowing antitheft place, in case occur reporting to the police, can take immediate steps,, have little time to return for the moment just in case it is far away to go out, also can make a phone call nearby, holder the acquaintance watch to the scene, this effective prevention robber's method, and existing common alarm can't be accomplished.

Outer line interface is made up of D3-D6 and connection terminal L1, L2.The line of during use L1, L2 being answered the call gets final product.

Fig. 2 sends out number plate line synoptic diagram, and its connection terminal name is corresponding to the respective terminal among Fig. 3, and principle of work and telephone key dish are in like manner.

The utility model still has phone antitheft and doorbell ML and Device for anti-fraudulent use telephone line HF family expenses doorbell function all to adopt prior art (only having drawn block diagram) no longer to describe, the 3, the 4th of K switch 4, and normally opened contact is controlled doorbell.1,2 is back contact, presses just and leaves, and prevents phone in use, and the doorbell signal seals in speaking circuit, and Device for anti-fraudulent use telephone line HF is attempted by on extension line L1, the L2.

Existing telephone wire is meant the mounted telephone wire in antitheft place, only needs L1, the L2 of this product are attempted by top getting final product.

When going out, power turn-on K switch 1, circuit just enters the caution duty.Stopcock K1 got final product after owner returned.

The utility model is fine through trial effect, can play effective antitheft effect, and wide application prospect is arranged.

Claims (3)

1. all can seek main alarm mainly is made up of circuit such as ir supervisor, sender unit, alarm device, doorbell, Device for anti-fraudulent use telephone line, outer line interfaces, it is characterized in that: ir supervisor one end links to each other with impulse sender, the other end links to each other with alarm device, impulse sender links to each other with outer line interface, alarm device also links to each other with outer line interface, doorbell links to each other with alarm device, and the circuit alarm is connected in parallel on the L1, L2 line of outer line interface.It is whole that to seek main alarm be that L1, L2 by outer line interface is connected in parallel on the telephone wire.

2. all can seek main alarm according to claim 1 is described, it is characterized in that: the infraluminescence pipe D1 of described ir supervisor and photoresistance R4 be with lead draw correspondence be installed in cross the threshold or the both sides body of wall in passageway on or on other object.

3. all can seek main alarm according to claim 1 is described, it is characterized in that: described impulse sender is to adopt the dialing integrated package, and its redialing function pin 1 and 22 is to link to each other with ir supervisor and controlled by it.On the startup input pin 9 of dialing integrated package, be connected to a preset number K switch 1.

Images