CN2228519Y - Anti-picking self-locking electronic speech alarm for door lock - Google Patents

Abstract

The utility model discloses lock pick-proof is from locking-type electronic language alarm relates to an electronic alarm, and it comprises detection circuitry (1), controller (2), self-locker (3), converter (4), delay timer (5), stabiliser (6), language alarm (7), doorbell sounder (8), amplifirer (9) and speaker (10), has in the place of setting for if meet the door lock and receive the function that the sled carried out the language warning, can extensively be used for burglar alarm, warning, doorbell and car burglar alarm etc.. The utility model discloses reliability, degree of accuracy are high, and the interference killing feature is strong, low in cost, and convenient to use can regard as the swift instrument that owner in time found robber to crime.

Description

Door lock pick-proof self-locking electonic speech alarm

The utility model relates to a kind of electonic speech alarm, and particularly a kind of door lock pick-proof self-locking electonic speech alarm can be used for the burglar alarm reminder alerting, doorbell and automobile anti-theft alarm etc.

Along with improving constantly of living standards of the people, preventing that dwelling house is stolen is paid attention to by the people day by day, alarm equipment of the prior art removes combination type, the contact place, also has " Doppler " alarm, existing alarm is mostly based on the alarm bell warning, yet because present electronic toys etc. often adopt alarm bell to make the sound, be difficult for causing the people's attention, the alarm that also has has adopted the language alarm system, but when the robber goes into to smash behind the door alarm or cuts off to connect and lead knot and alarm was lost efficacy, thereby influenced applying of alarm.

The purpose of this utility model aims to provide and a kind ofly is difficult for destroyedly, more firm, can discern owner's door lock pick-proof self-locking electonic speech warning device.The short time can't prevent its warning function after this device work.

The purpose of this utility model realizes by following measure: this device is made up of testing circuit (1), controller (2), self-locking device (3), converter (4), delayer (5), stabilizator (6), language alarm (7), doorbell sounder (8), amplifirer (9), loudspeaker (10).

Testing circuit (1) and controller (2), self-locking device (3) connects; Controller (2), self-locking device (3) are connected with the input of converter (4) again; The output of converter (4) is connected with delayer (5), stabilizator (6), amplifirer (9); The output of delayer (5) is connected with controller (2); Language alarm (7), the output of doorbell sounder (8) is by toggle switch K ₇Be connected with amplifirer (9); The positive pole of language alarm (7) doorbell sounder (8) is by toggle switch K ₈Be connected with the output of stabilizator (6); The output of amplifirer is connected with loudspeaker (10).

When the people forces open the door crime, by microswitch K ₂And the testing circuit that lead constitutes is connected entire circuit immediately.So by relay J ₁Three groups of constant open contact J _1-1, J _1-3, J _1-4The self-locking device of forming carries out self-locking work to entire circuit; And by K ₃, K ₅, K ₆The controller that constitutes is controlled immediately by language sheet, relay J after receiving detected signal ₁Constant open contact J _1-2, resistance R ₈, R ₉, capacitor C ₁₅, triode BG ₅The language alarm work of forming.Language alarm with the speech signal stored in the language sheet after the elementary amplification of triode, send amplifirer to carry out power amplification again, promote loudspeaker then and send language alarm sound, because circuit has carried out self-locking, so all can't stop warning work though cut off connecting line.

This device compared with prior art has following advantage:

1, when the robber force open the door enter the room after, this alarm can be escaped speed reflection, sends the high-power language alarm ring tone of power 2W, makes the robber panic and escape; And become owner or neighbours find the means that the robber commits a crime immediately.

2, the bell button of this alarm, inoperative when owner goes out, have or not owner to be in thereby make the robber can't try to ring a doorbell with mensuration.

3, novel structure is firm, and is easy to use, and antijamming capability is strong, reliability, and accuracy rate is high, and cost is lower.

Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete device that the utility model proposes.

The utility model has following accompanying drawing:

Fig. 1 is this principle of device block diagram;

Fig. 2 is this device circuit schematic diagram;

Fig. 3 is this device gate lock-switch K ₁Assembling drawing;

Fig. 4 is used for the automobile burglar circuit theory diagrams for this device;

Fig. 5 is this device installation drawing.

Referring to Fig. 1, this device is by testing circuit (1), controller (2), self-locking device (3), converter (4), delayer (5), stabilizator (6), language alarm (7), doorbell sounder (8), amplifirer (9) and loudspeaker (10) connect to form through a printed circuit board.

Referring to Fig. 2, this Device Testing circuit (1) is by relay J 1, door interlock switch K ₁, microswitch K ₂Connect to form through circuit board.The three is connected into series loop, after owner goes out to lock a door, and door interlock switch K ₁Close microswitch K ₂When closing, door is in off-state, so relay J ₁Must not be electric, entire circuit is not worked.Owner goes home to open the door, door interlock switch K ₁Disconnect, entire circuit is not worked yet.And after owner goes out to lock a door, microswitch K when door is pried open ₂Be closed K ₁Close by door lock again, so relay J ₁Get electric work, by J ₁Three groups of constant open contact J _1-1, J _1-3, J _1-4The self-locking device of forming through circuit board (3) is at the moment J of energising _1-1To K ₂Carry out self-locking, close and also can't make down circuitry, J to the doorstep this moment _1-3To K ₁Carry out self-locking,, cut off K even smash door lock this moment ₁, K ₂The connection lead also can't make down circuitry, transformer T's is elementary also because of J _1-4Closure and electric work, by transformer T, diode D ₁-D ₄, capacitor C ₁Dc source after converter (4) circuit rearwards that circuit board connects to form provides rectification.And testing circuit is sent to the signal that door is prized by K simultaneously ₃, K ₅, K ₆Toggle switch and connect the controller (2) that lead is formed, controller is to the detected signal of forcing open the door (or I have a visit from a guest signal) control language alarm (7) [or doorbell sounder (8)] work.

The language alarm utmost point (7) is by language sheet, triode BG ₅, resistance R ₈, R ₉, capacitor C ₁₅And relay J ₁One group of constant open contact J _1-1Connect to form through circuit board; Doorbell sounder (8) is by musical film, triode BG ₄, resistance R ₁₀, capacitor C ₁₄Connect to form through circuit board.

The power supply of language alarm and doorbell sounder is by triode BG ₃, voltage-stabiliser tube D ₆, resistance R ₆, R ₇, capacitor C ₁₃The further voltage stabilizing of dc source after stabilizator (6) that circuit board connects to form is with the converter rectification provides later on.

Language alarm (or doorbell sounder) will be stored in language alarm signal in the language sheet through triode BG under the control of controller ₅After carrying out elementary amplification, [when making doorbell and use then by triode BG ₄The music signal that is stored in the musical film is carried out elementary amplification], by coupling capacitance C ₁₁Send into by integrated circuit 4102, resistance R ₁, capacitor C ₂, C ₃, C ₄, C ₅, C ₆, C ₇, C ₈, C ₉, C ₁₀, after the amplifirer (9) that circuit board connects to form carries out power amplification, promote loudspeaker (10) and send language alarm (or melody) signal.

The length of time of fire alarming is by relay J ₂, triode BG ₁, BG ₂, diode D ₅, resistance R ₂, R ₃, R ₄, R ₅, R ₁₁, capacitor C ₁₂, the delayer (5) that connects to form through circuit board determines.After the regular hour, relay J ₂Get electric adhesive, constant close contact J _2-1Become disconnection by normally off, thereby the power supply of block system relay J line bag is (because of J _2-1Constant close contact is connected on J ₁In the electric power loop of line bag) circuit breaker J ₁Dead electricity, self-locking device are removed self-locking, and entire circuit quits work, and have this moment two kinds of situations to occur, and the one, the robber hears to report to the police and has shut door and run away, at this moment, because of K ₂After when door is shut, being the off-state alarm and quitting work, have only when door to be open once more, just can repeat work; Another kind of situation be the robber hear alert run away to be provided with shut the door, though relay J then ₂Must remove the self-locking of self-locking device electric moment, entire circuit has stopped work, but because of J ₂After quitting work, entire circuit lost electricity, J _2-1Return to closure state, K ₁Do not opened and locate closed form, K by key ₂Be closed form because of not closing the door, so J ₁Electricity again, entire circuit self-locking and repeat work again.K ₃, K ₅, K ₆, K ₇, K ₈, K ₉Throw toggle switch by one 6 cutter 2 and unite and stir, 6 cuttves, 2 throw switches and loudspeaker are installed on the casing, and all the other electronic components are installed on the printed circuit board, and printed circuit board (PCB) is installed in the casing.

Referring to Fig. 3, door interlock switch K ₁Be installed on the rectangle dead bolt of three safety locks, on lock core, insert M ₄The coin bolt exposes 18mm, and puts insulation sleeve (with glue glue jail), switch plate K ₁Be installed in the plastic seat and be fixed on the shell of lock with the coin nail, get up with an outer cover cover then, outer cover is also made of iron sheet, is fixed on the shell of lock, and the coin inspection is moved with lock core when owner goes out to lock a door, with K ₁Closure, owner returns the back with the key K that opens the door ₁Recurrent mutation with lock core disconnects.Men Kaihou K ₂Though be closed K ₁Disconnect, so relay J ₁Can not get electricly, alarm is not worked, thereby has ensured freely coming in and going out of owner.

Referring to Fig. 5, microswitch K ₂Be installed on the inboard frame of door, alarm is installed near the local of ceiling or together with the power line hidden robber of making together and can't destroys.

Referring to Fig. 4, when this device was used automobile burglar, principle was above-mentioned basic identical, but need not receive guest's visit because of automobile and can save doorbell sounder (8) and controller (2), in addition, the dc source of 12V be arranged on the automobile, converter (4) also can save like this, when the people steals car, and door contact interrupter K ₁Because of owner lock door closed, sense switch K ₂Closed because door is prized, or because the robber crawls into the automobile start automobile and the closed K of going up from window ₃(K ₃And K ₂In parallel) the circuit connection, so by language sheet, resistance R ₈, R ₉, triode BG ₄, capacitor C ₁₄Alarm signal after the language alarm of forming will amplify is delivered to the amplifirer of being made up of integrated circuit 4102 grades and is amplified back promotion speaker operation, relay J ₁Constant open contact J _1-1To K ₂Carry out self-locking, and one group of constant close contact J _1-3Because of being connected in the engine ignition coil line J after relay gets electric work _1-3Become to disconnect, so the time engine can't light a fire, automobile can't start.Delayer, stabilizator, the identical no longer detailed description of principle.

Claims (7)

1, a kind of door lock pick-proof self-locking electonic speech alarm, by testing circuit (1), controller (2), self-locking device (3), converter (4), delayer (5), stabilizator (6), language alarm (7), doorbell sounder (8), amplifirer (9), loudspeaker (10) is formed, it is characterized in that: described testing circuit (1) and controller (2), self-locking device (3) connects; Controller (2), self-locking device (3) is connected with the input of converter (4); The output of converter (4) and delayer (5), stabilizator (6), the input of amplifirer (9) connects; The output of delayer (5) is connected with controller (2); The output of language alarm (7) doorbell sounder (8) is connected with amplifirer (9) by toggle switch K7; Language alarm (7), the positive pole of doorbell sounder (8) is connected by the output of toggle switch K8 and stabilizator (6); The output of amplifirer (9) is connected with loudspeaker (10).

2, alarm according to claim 1 is characterized in that: have one in the alarm by microswitch K ₂And the testing circuit of lead formation: K ₂And relay J ₁Constant open contact J _1-1Be connected in parallel, again and relay J ₂Constant close contact J _2-1Be connected in series, again again and relay J ₁The line bag be connected in series.

3, alarm according to claim 1 is characterized in that: have one in the alarm by K ₃, K ₅, K ₆The controller that constitutes, K ₃Movable contact and relay J ₁The D point of line bag connects; Stationary contact E and door interlock switch K ₁Relay J ₁And J _1-3Meet stationary contact F and bell button K ₄And J ₁J _1-4Connect; K ₄The other end and K ₅Connect; K ₅The other end be connected with power supply B point; K ₆Two ends respectively with power supply A point and K ₂The C point connect.

4, alarm according to claim 1 is characterized in that: have one in the alarm by relay J ₁And J _1-1, J _1-3, J _1-4, 3 groups of self-locking devices that constant open contact constitutes, J _1-1And K ₂Be connected in parallel; J _1-3And K ₁Be connected in parallel; J _1-4Be connected in series with the primary in the converter.

5, alarm according to claim 1 is characterized in that: have one in the alarm by language sheet, relay J ₁Constant open contact J _1-2, resistance R ₈, R ₉, capacitor C ₁₅, triode BG ₅The language alarm that constitutes, the positive pole of language sheet is by toggle switch K ₈With triode BG ₅Emitter stage connect; The output stage of language sheet is by toggle switch K ₇And capacitor C ₁₁Negative pole connect.

6, alarm according to claim 1 is characterized in that: have one in the alarm by musical film, capacitor C ₁₄, resistance R ₁₀, triode BG ₄The music doorbell circuit that constitutes, the positive pole of musical film is by toggle switch K ₈With triode BG ₅Emitter stage connect; The output stage of musical film is by toggle switch K ₇And capacitor C ₁₁Negative pole connect.

7, alarm according to claim 1 is characterized in that the K in the alarm ₃, K ₅, K ₆, K ₇, K ₈, K ₉Throw the control of toggle switch interlock with 16 cutter 2.

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