CN2150589Y

CN2150589Y - Multiple-anti-theft self-locking alarm

Info

Publication number: CN2150589Y
Application number: CN 92240539
Authority: CN
Inventors: 周筑文
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-24
Filing date: 1992-12-24
Publication date: 1993-12-22
Anticipated expiration: 2002-12-24

Abstract

The utility model relates to a multiple-anti-theft self-locking alarm composed of a multiple sensing trigger circuit, an alarm audio frequency generating circuit, a self-locking power amplification circuit and a charging circuit. The utility model adopts the touch, off normal and filament breakage triple sensing triggering modes of the alarm circuit and is provided with a self-locking control device anti-destroying. Thus the utility model overcomes the problems of singularity, easy to be destroyed and broke down, narrow application area of the triggering mode in the present anti-theft device and enhances the security of anti-theft greatly. The circuit can also adopt a charge unit and can use for a long time without changing battery. The utility model can be used in various doors, windows, appliances, handy carry cases and single products for multiple anti-theft and united anti-theft in many products.

Description

Multiple-anti-theft self-locking alarm

The utility model belongs to a kind of multifunction multipath burglar alarm.At present burglar alarm has of all kindsly, induction type is arranged, the formula of offing normal, apart from formula, oscillatory type, fracture of wire formula, infrared light shading type, microwave induced formula etc.But all because the unicity of sensing triggering mode, reliable and secure safety is poor, and single sensing and triggering device easily goes to pot, and is easy to failure and extensively do not promoted the use of.Modern robber's way of committing offenses is tending towards intelligent, in order to strengthen the burglary insurance security, is necessary to propose multiple anti-theft measure.Even robber folding is ruined the antitheft sensing and triggering device in certain road, warnings that still can be triggered of second weight, triple antitheft sensing and triggering devices increased the three lines of defence in fact, three times of antitheft reliable and secure safety raisings, and There is no way to begin to make the robber.Also owing to its function singleness of single restriction of triggering mode, range of application is narrow for present burglar alarm.Special often triggering mode, special applications.Some alarm, for example: oscillatory type, apart from formula, microwave induced Shi Changyin external interference and report by mistake.

The purpose of this utility model is: provide a kind of insurance safe, applied range, tamper-proof, anti-interference strong, the multi-functional accurately and reliably multiple self-locking burglar alarm of reporting to the police.It integrates present various burglar alarm advantage, with multiple sensing triggering mode on a warning circuit, both can strengthen anti-criminal's safety to a monitoring thing, again can be antitheft to the associating of several monitoring things simultaneously, can also be according to different occasions, the triggering mode that different Object Selection are different.Remedy unicity, the insurance poor stability of present burglar alarm triggering mode, it is malfunctioning easily to go to pot, the defective that range of application is narrow.

The utility model is to realize by following technical measures:

It is mainly by multiple sensing trigger circuit, alert audio generation circuit, and warning self-locking power amplifier, charging circuit is formed, referring to accompanying drawing 1.Multiple sensing trigger circuit are by touching sheet P ₁, P ₂, touch little electric current amplifying triode T ₁, the K switch of offing normal ₁, tinsel L, divider resistance R ₁, R ₂, R ₃, anti-interference capacitor C ₁, multiple triggering OR-gate integrated circuit (IC) ₁-IC ₃With current-limiting resistance R ₄Constitute.Alert audio generation circuit is by music integrated circuit IC ₄, resistance R ₅Constitute.Warning self-locking power amplifier is by unidirectional controllable silicon S CR, hybrid power amplifier tube T ₂, T ₃, loudspeaker SP, anti-self-excitation negative feedback capacitor C ₂Constitute.Charging circuit is by decompression capacitor C ₃, resistance R ₈, bridge commutation diode D ₄-D ₇, be full of automatic cut-off circuit D ₁, D ₂, current-limiting resistance R ₆, R ₇, charge power supply indication light emitting diode D ₃, battery E, power switch K ₂Constitute.Do detailed explanation below in conjunction with 1 pair of the utility model of accompanying drawing: in accompanying drawing 1, triple sensing and triggering devices are respectively by touch sensing flip flop equipment P ₁, P ₂, T ₁, R ₁, IC ₁, IC ₃, R ₄Sensing and triggering device K offs normal ₁, IC ₁, IC ₃, R ₄Fracture of wire sensing and triggering device L, C ₁, R ₂, R ₃, IC ₂, IC ₃, R ₄Form.When touching sheet metal P ₁, P ₂, weak current is connected P by human body resistance ₁, P ₂Send into T ₁Base stage or directly by human body sensing AC network noise signal by P ₁Send into T ₁Base stage, T ₁Conducting makes IC ₁1,2 pin be high level, IC ₁, IC ₂, IC ₃Be to be connected into OR-circuit with four 2 three NOT-AND gates importing NOT-AND gate CD4011.So IC ₃Output terminal 11 pin also are high level, thereby pass through R ₄Trigger the G utmost point of SCR, make SCR self-locking conducting, IC ₄Get electric generation alert audio signal, pass through T ₂, T ₃Amplify back promotion loudspeaker SP and send loud and clear chimes of doom.T ₃Emitter connect the K utmost point of SCR, purpose is to allow have after the SCR conducting big electric current to guarantee that by SCR it can (be P in the G utmost point trigger current back that disappears ₁, P ₂Remove the back in touch) the self-locking conducting.C ₂Be negative feedback electric capacity, prevent from that self-excitation from producing to utter long and high-pitched sounds, guarantee IC ₄Sounding is normal.The second sensing and triggering device circuit working principle of heavily offing normal is identical with above-mentioned principle of work, and institute's difference only is that the sensing triggering mode is triggered by special off normal trigger switch (see figure 7) or tongue tube and magnet and connects K ₁Triple fracture of wire sensing and triggering device circuit working principles are: after filament L is broken, and R ₃Be open-circuit condition, IC ₂5,6 pin be high level, make 4,12 pin be low level, IC ₃11 pin are high level, thereby make SCR trigger self-locking conducting, IC ₄, T ₂, T ₃Get electric work, promote SP and send chimes of doom,, even destroy L and two binding posts of A, B that expose, also can't stop chimes of doom even the robber connects also A, B 2 points with L.This alarm is under usual monitoring state, and quiescent current is 50 μ A, warning dynamic current＞200mA.The charging circuit principle of work is: when plug connects the 220V civil power, alternating current is through C ₃, R ₈After the step-down, again by D ₄-D ₇The bridge rectification becomes Rectified alternating current, through R ₆, D ₁The positive pole of delivering to electric battery charges.D ₂Effect be to stablize D ₁Voltage is 6.5V between positive pole and the ground.When charged battery voltage is increased to 6V, D gradually ₁By conducting, charging stops automatically.R ₇, D ₃Be charge power supply indication branch road.

Description of drawings:

Accompanying drawing 1: the utility model alarm circuit schematic diagram;

Accompanying drawing 2: the double anti-theft alarming setting position that the utility model embodiment is 1 is installed (backsight) synoptic diagram;

Accompanying drawing 3: the utility model embodiment 1 touch sensing flip flop equipment door lock head, tapered end protection overcoat copper ring, lock body structure synoptic diagram;

Accompanying drawing 4: the antitheft filament of the associating position scheme of installation of the utility model embodiment 1 window and door;

Accompanying drawing 5: the utility model embodiment 1 private key and special power switch deep hole are installed (overlook, just analyse and observe) synoptic diagram;

Accompanying drawing 6: the utility model embodiment 2 televisors (backsight) and other household electrical appliances associating burglar alarm scheme of installation;

Accompanying drawing 7: the utility model embodiment 2 alarms sensing and triggering device construction of switch (just analysing and observe) enlarged drawing of offing normal of offing normal;

Accompanying drawing 8: the utility model embodiment 3 suitcase warning sensing and triggering device position scheme of installations;

Accompanying drawing 9: the utility model embodiment 3 suitcase lock bodies, dead bolt (double as alarm power switch) structure enlarged drawing.

Provide several embodiment below:

Embodiment 1: it is antitheft that the utility model is applied in the double anti-theft and the associating of other thing of door.Being used in sensing and triggering device on the door adopts touch sensing triggering and tongue tube, the magnet sensing of offing normal to trigger the double anti-theft mode and be connected in series the antitheft mode of associating of several household electrical appliance or window with filament simultaneously.Fig. 2, Fig. 3, Fig. 4 are the double anti-theft of door and the antitheft scheme of installation of associating of window.1 is Door lock among the figure, the 2nd, and tapered end, the 3rd, tapered end protection overcoat copper is bad, and the 4th, ambroin film, the 5th, tongue tube, the 6th, magnet.Tongue tube 5 can be selected the JAG-Z type for use, uses a pair of normally closed contact, and 5 can be bumped in the door body examination face that opens the door mouthful, and magnet 6 is bumped in the doorframe side of opening the door mouthful (referring to Fig. 2).5,6 install can not be from far, disconnects and being as the criterion to shut normally closed contact in the tongue tube behind the door.Use tapered end 2 and protection outer sleeve 3 thereof respectively as touching sheet metal P ₁, P ₂, and with the lead-in wire with they respectively with T ₁Base stage and positive source welding, the line of base stage and tapered end shields worn-out line with single core, and outer net links to each other with circuit ground.Add one deck insulating material (referring to Fig. 3) between tapered end 2 and the outer shroud 3.Because 2 and 3 add the touch sensing warning device, make tapered end exempt from the robber and destroy.If the robber breaks lock when not touching tapered end by force, the Men Tiyu doorframe is offed normal, the tongue tube 5(K switch of offing normal ₁) breaking away from the magnetic field of magnet 6, the contact is connected by elastic reset, makes alarm trigger self-locking alarm.7 be 2,3,5 with the lead that is connected of alarm 8.Alarm 8 is that the circuit component with accompanying drawing 1 is installed in 150 * 75 * 50(mm) the can, and is fixed on above the doorframe.The 9th, filament L, it is skylight, opposite house top or next door window implementation associating monitoring simultaneously.9 are stretching in jamb 10 by the connection as Fig. 4 fixes, and 9 two are fixed tightly on alarm A, B two binding posts.9 can also be connected in series several valuable household electrical appliances.9 can select enameled wire for use, and can pull on several meters far away.If the robber leaps in through the window from window and will break silk and make the alarm self-locking alarm.Have only owner to turn-off special power supply K with private key ₂(referring to accompanying drawing 5) reported to the police and can be removed.11 is private keys among Fig. 5, appearance insulation, the 14th, special power switch K ₂Available waste and old rotary potentiometer with switch (switch the is fair) transformation of the way, potentiometer switch is as power switch K ₂Use.Be rasped to length of side 2mm square bar head 13 at potentiometer barre head 1cm place with file, make key 11 just entangle 13 and also can cut-off switch 14.K ₂Installation and design be special pick-proof, touch-proof deep hole is installed, the aperture can be located at the fixedly a certain shelter of housing of door, aperture 6mm, hole depth is got through by frame is thick outdoors, and hole surface and switch must be greater than 10mm distance, and the current potential body is clipped on the hole side door frame flitch 15 admittedly with wood screw in the room.The hole inwall is locked with the metal cylinder 12 of same apertures, and anti-aperture is prized, and lead is arranged with sleeve 12 and T ₁Base stage is communicated with, and barre 13 links to each other with positive source, and in

fact

12,13 constitute another to touching sheet metal.The robber scratches eyelet with metal thing sled or with hand, must make 13 and 12 to touch and lead to or make the alarm self-locking alarm by human body sensing.Owing to the very little installation in aperture is hidden, general being difficult for finds that owner can also clog the aperture with the few big or small thing of the aperture difference of identical doorframe color and play the camouflage effect, is difficult to find.Can use private key 11 stopcocks 14 earlier when owner goes home, and then open door lock, reporting to the police can not produce, and the sensing and triggering device of She Zhiing can be set up defences for a long time and needn't be moved it everywhere.When owner goes out door lock good after, then with hidden power switch K in the hole ₂With private key 11 closures, alarm just is in " monitoring " state.The attaching plug of charging circuit can be directly in parallel with electrical network, can need not manage it for a long time.

Embodiment 2: the utility model is applied in televisor, or other household electrical appliance is antitheft.In accompanying drawing 6, alarm 7 can be fit into the inwall of the rear lid case 9 of televisor for hidden camouflage.Sensing and triggering device adopts the formula of offing normal and fracture of wire formula sensing to trigger the K switch of offing normal ₁Adopt the special sensing trigger switch of offing normal of Fig. 7, the 1st, the contact of the special switch of offing normal, the 2nd, its another contact, the 3rd, televisor plastic bottom shell, the 4th, spring, the 5th, the base support pin, the 6th, two binding post A, the B of filament L, the 8th, loudspeaker SP, magnetic horn in adopting, the 10th, filament L, the 11st, power switch K ₂K ₁Be installed in the bottom of housing of TV set with A, B binding post.Usual K ₁Under the televisor action of gravity, make contact 1 and 2 disconnect K ₁Turn-offing the triggerless electric current does not report to the police.In case when the robber lifts TV, K ₁Contact 1 under spring 4 effect, make 1,2 contacts connect K ₁Closure, alarm obtains trigger current and self-locking alarm.Also the protection televisor is taked second heavy antitheftly in the present embodiment, promptly adopted fracture of wire formula sensing to trigger warning device simultaneously, filament is worn and is hung on the fixture, also can be connected in series several household electrical appliance simultaneously and carry out the antitheft ways of associating (referring to figure-6).When the robber takes arbitrary household electrical appliance away, must break tinsel L, make the alarm self-locking alarm, warning power switch 11 can be installed in the drain pan of televisor with reference to accompanying drawing 5, or in the bonnet back side, but notice that switch handle must be deep in the casing, have only with the private key of accompanying drawing 5 and just can open and close.Charge power supply plug two ends can be directly and television power-line be attempted by in the machine, alarm was just in charging when saw TV every day.Because quiescent current very little (50 μ A) under the monitoring state goes out not charge in several weeks even therefore go on business, and also can not influence the alarm Normal Alarm.The above-mentioned theft preventing method of televisor also can be used for other valuable household electrical appliances separately, object is antitheft.

Embodiment 3: the utility model is applied in the antitheft of the suitcase of travelling outdoors.The antitheft fracture of wire formula and the touch sensing of adopting of suitcase of being used to travel triggers double anti-theft.Accompanying drawing 8, Fig. 9, in 1 be the suitcase dead bolt, the 2nd, lock body.The power switch K of dead bolt 1 and lock body 2 double as alarms ₂The 3rd, the insulation carrying handle, the 4th, touch sheet metal P ₁, the 5th, touch sheet metal P ₂P ₁, P ₂Apply ointment or plaster 3 up and down or the right and left, and respectively be fixed on casing on

derby

6,7 be connected.6,7 again respectively with the T that is placed on the alarm in the case ₁Base stage is connected with positive source.The 8th, alarming horn, the 9th, expose to case outer tinsel L and binding post.When owner travels outdoors, wear on the luggage carrier that is connected in car and boat 9, can also go here and there simultaneously and wear several case and bag.At last dead bolt 1 is put into lock body 2 and lock, be i.e. alarm power switch K ₂Closure, the robber breaks or with portable handgrip 3, will make the alarm self-locking alarm.Have only owner to open dead bolt and lock body with the suitcase key, warning can be removed.This burglar alarm be also advantageous in that usual monitoring suitcase in the air the time, charging circuit and ickel-cadmium cell can also be made general charger usefulness, battery can be used for electric shaver and electric torch or pocket radio set power supply, and is particularly convenient to travelling outdoors.

Warning circuit all adopts the unified circuit and the element of accompanying drawing 1 among the above embodiment, and different is the multiple sensing and triggering device difference that they adopt separately, and this describes in detail in above three embodiment.Provide each selection of components parameter: T of accompanying drawing 1 circuit below ₁, T ₂With 9013(β 〉=200); T ₃Use the 2Z800B power amplifier tube; IC ₁-IC ₃With CD4011(or TC4011, CC4011); IC ₄With KD-9561 four tones of standard Chinese pronunciation integrated music sheet; The SCR 2P4M one-way SCR of 2A/400V; Magnetic horn in SP 8 Ω, 1W high pitch; Battery saves No. 5 ickel-cadmium cells with 4; D ₁, D ₄-D ₇Use IN4004; D ₂Use the 6.5V/1W stabilivolt; D ₃With red φ 3 light emitting diodes; Each resistance, electric capacity are respectively: R ₁=2M Ω, R ₂=160K, R ₃=20K, R ₄=470 Ω, R ₅=240K, R ₆=10 Ω, R ₇=8.2K, R ₈=390K, C ₁=0.01 μ, C ₂=500PF, C ₃=1 μ F/250V.

The utility model compared with prior art has advantage:

(1) it takes to share triple sensing and triggering devices of an alarm, has realized the multiple safety of monitoring thing has been improved the anti-theft security safety greatly.

(2) owing to adopt multiple sensing and triggering device, both having realized can be to the multiple safety of single monitoring thing, again can be antitheft to the associating of a plurality of monitoring things, greatly improved range of application;

(3) it takes to have the self-locking power amplifier warning circuit of tamper-proof function, has improved the reliability of burglar alarm.

(4) adopt pick-proof to hit touch-proof special power switch and corresponding private key, the disguise and the security that have improved power switch greatly.

(5) adopt warning circuit and charging circuit to be connected as a single entity, avoid using dry cell power supply to cause the malfunctioning trouble of bringing of reporting to the police for regular replacing battery and dry cell electric leakage, but also the general charger of double as uses.

The utility model uses proof through reality: burglar alarm safety, safety height, and sensitive reliable, multiple functional, applied range, it integrates the advantage of present burglar alarm, and real is a kind of desirable multi-functional multiple anti-theft alarm device.

Claims

1, multiple theftproof self-locking alarm, it is by multiple sensing trigger circuit, and alert audio generation circuit, self-locking power amplifier, charging circuit are formed, and it is characterized in that:

A, multiple sensing trigger circuit are by touching sheet metal P ₁, P ₂, touch little electric current and amplify triode T ₁, the K switch of offing normal ₁, tinsel L, divider resistance R ₁, R ₂, R ₃, capacitor C ₁, multiple triggering OR-gate integrated circuit (IC) ₁-IC ₃And resistance R ₄

B, alert audio generation circuit are by integrated circuit (IC) ₄And resistance R ₅Constitute;

C, warning self-locking power amplifier be by unidirectional controllable silicon S CR, hybrid power amplifier tube T ₂, T ₃, loudspeaker SP, capacitor C ₂Constitute;

D, charging circuit are by decompression capacitor C ₃, resistance R ₈, bridge commutation diode D ₄-D ₇, charging automatic cut-off circuit D ₁, D ₂, resistance R ₆, R ₇, light emitting diode D ₃, ickel-cadmium cell E and power switch K ₂Constitute.

2, alarm according to claim 1 is characterized in that: touch sheet metal P ₁, P ₂Can protect overcoat 3 or upper and lower two the mutually insulated bonding jumpers 4,5 of suitcase handgrip to constitute by door lock 2 and tapered end.

3, alarm according to claim 1 is characterized in that: the K switch of offing normal ₁Can by tongue tube and magnet or by the contact 1,2 of the special switch of offing normal, spring 4 constitutes.

4, alarm according to claim 1 is characterized in that: tinsel L can wear to hang over and also can be connected in series several monitoring things on the fixture simultaneously to carry out associating antitheft.

5, alarm according to claim 1 is characterized in that: power switch K ₂By special power switch 12,13,14, private key 11 or constitute by suitcase dead bolt 1 and lock body 2.