CN2266162Y

CN2266162Y - Multifunctional theftproof alarm device

Info

Publication number: CN2266162Y
Application number: CN 96212504
Authority: CN
Inventors: 刘广明
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-12
Filing date: 1996-06-12
Publication date: 1997-10-29
Anticipated expiration: 2006-06-12

Abstract

The utility model relates to a multifunctional theft-proof alarm device which comprises an alarm box assembly and an insulating support frame assembly which is fixedly connected with a lock body to cause two short-circuit reeds and a broken-circuit reed on the insulating support frame assembly to be parallel to the lock body. One of the short-circuit reeds is inserted in a lock core with no contact with the lock core. The other short-circuit reed keeps a small gap with the lock body. Three insulating support frames and alarm circuits are arranged in an alarm box of the alarm box assembly. The insulating support frames are respectively provided with two short-circuit reeds and a power reed. When a door lock is shifted, or a door is prized, or the alarm box is destroyed, the short-circuit reeds can contact the lock body to cause short circuit to conduct the alarm circuits for alarm. The utility model has the advantages of reliable performance, low cost and multiple functions.

Description

The multi-function anti-theft alarm device

The utility model belongs to a kind of burglar alarm, refers to a kind of multi-function anti-theft alarm device that is installed on antitheft door, automobile door, the safety cabinet etc. especially.

For antitheft, generally installed antitheft door in the general family, even so, stolen incident still happens occasionally in the resident family.Even this is because install antitheft door, the burglar still can lock door-lock opening by dialling, or antitheft door is directly pried open.

In order to solve stolen problem in the resident family, now release a kind of electronic anti-theft door with intercom on the market, this electronic anti-theft door is mounted in the place, gate in every building, and the visitor can be by being located at big intercom outdoors, connect dialogue with the resident family of desire visit, make it open the gate of Lou Dong.Electronic anti-theft door is installed, though can increase the security of resident family greatly, its price is too high, and not general resident can bear.

It is low that the purpose of this utility model provides a kind of price, dependable performance, when the burglar dials lock or when forcing open the door, can send chimes of doom immediately, thus can to around neighbours send the multi-function anti-theft alarm device of alerting signal.

For this reason, the utility model is taked following technical scheme:

A kind of multi-function anti-theft alarm device, be by warning box (24), two power switch K1 of warning circuit, K2, four short-circuit spring leafs (7) (8) (12) (14), the reed that opens circuit (9), four insulating supports (1) (2) (4) (5), four push rods (11) (13) (15) (17) are formed, insulating support (1) vertical connection in described four short-circuit spring leafs in two short-circuit spring leafs (7) (8) and the reed that opens circuit (9) and described four insulating supports, the one end all is fixed on the side of this insulating support (1), and make two short-circuit spring leafs (7) (8) that join with it, the reed that opens circuit (9) is parallel with the back of lock body, one of them short-circuit spring leaf (7) stretches in the lock core and with lock core and keeps a minim gap, another short-circuit spring leaf (8) also keeps a minim gap with lock body, the described reed that opens circuit (9) is when door is closed, contact with doorframe, after described insulating support (1) is installed on the narrow side of lock body, on itself and the lock body opposite external side face, be provided with a power supply reed (10) and a contact M, power supply reed (10) and contact M form described power switch K1, wherein an end of power supply reed (10) is fixed in insulating support (1) one end, also be provided with a push rod (11) on this insulating support (1), this push rod (11) inserts in it from the lateral surface middle part of insulating support (1), the one end passes insulating support (1) and stretches in the lock box, the other end can be with described power supply reed (10) jack-up, and remaining three insulating support (2) (4) (5) is installed in respectively in the described warning box of institute, wherein respectively be provided with a short-circuit spring leaf (12) (14) on two insulating supports (2) (4), and an end that makes these two short-circuit spring leafs (12) (14) is fixed in respectively on the insulating support (2) (4), and these two insulating supports (2) (4) respectively are provided with a short-circuit contact, be respectively equipped with a push rod (13) (15) on these two insulating supports (2) (4), these two push rod one ends insert respectively in the corresponding insulation support (2) (4), the other end is then respectively with a corresponding short-circuit spring leaf jack-up, itself and corresponding short-circuit contact are separated, and the 4th insulating support (5) is provided with another power supply reed (16) and a contact N, power supply reed (16) and contact N form power switch K2, also be provided with a push rod (17) on the insulating support (5), stretch in the lock box behind these push rod (17) one ends insertion insulating supports (5) and be connected with dead bolt, and the other end stretches out the warning box and pass and insulating support (11) that the narrow side of the box of reporting to the police is affixed, at ordinary times, the reed (9) that opens circuit links to each other with lock body, promptly become conducting state with described warning circuit, and four short-circuit spring leafs (7) (8) (12) (14) become off state at ordinary times with lock body, described wiring board (3) is provided with warning circuit, and this wiring board (3) is installed in the described box body (24).Above-mentioned insulating support (1) constitutes insulating support 1 assembly with two short-circuit spring leafs (7), (8), the reed that opens circuit (9), a power supply reed (10) and push rod (11); Warning box (24) constitutes warning box (24) assembly with warning circuit, two short-circuit spring leafs (12) (14), a power supply reed (16) and three push rods (13) (15) (17).

Above-mentioned warning circuit by DC power supply circuit (23), trigger circuit (18), oscillatory circuit (19), penetrate with circuit (20), negater circuit (21), amplifying circuit (22) and loudspeaker Y and form, above-mentioned DC power supply circuit provides direct supply to whole warning circuit, trigger circuit output connects the oscillatory circuit input, oscillatory circuit output is connected with penetrating with circuit input, penetrate with circuit and link to each other with amplifying circuit through negater circuit, this amplifying circuit then meets loudspeaker Y.

Direct supply E1 provides DC voltage to whole warning circuit, when the reed that opens circuit (9) separates (being 2 separation of A, B) with doorframe, then forms breaking alarming; Or short-circuit spring leaf (12) (14) contacts with short-circuit contact, it is 2 of D, C (C1 or C2) contact and when forming short-circuit alarming, all can make the trigger circuit conducting and export a trigger pip, this trigger pip is through penetrating with circuit, negater circuit input amplifying circuit, and sends into loudspeaker Y and send chimes of doom after amplifying circuit amplifies current signal.

The utility model is pushed aside the principle of work that all can report to the police may suffer that maybe variety of way is destroyed the time to lock and is described as follows:

Close the door, dead bolt is spued with own key insertion lock core and turn, door lock is good.

Push rod (11) on the dead bolt falls after rise at this moment, the power supply reed (16) that is positioned at the warning box is contacted with contact N on the insulating support (5), be K switch 2 closures, another push rod on the dead bolt falls after rise simultaneously, power supply reed (10) on the door lock is contacted with contact M on the insulating support (1), be K switch 1 closure, make anti-theft device be in multi-functional early warning status.

1, alert status is removed

Have only with own door lock key and insert lock core and turn, dead bolt is gulped down into, door is opened immediately.

At this moment the push rod on the dead bolt (11) rises, power supply reed (16) in the warning box is separated with contact N on the insulating support (5), simultaneously the push rod on the dead bolt rises, and makes that the contact M on the power supply reed (10) and insulating support (1) separately makes the alert status releasing on the door lock.

2, lock core is taken precautions against and is reported to the police

Because the short-circuit spring leaf (7) that is installed on the insulating support (1) inserts in the lock core, keep a minim gap with lock core, when destroying, can touch short-circuit spring leaf (7) inevitably when the insertion foreign matter or with drill bit, and make its contact lock body and make the warning circuit conducting, form short-circuit alarming.

3, the dead bolt knob hole is taken precautions against and is reported to the police

Lock core central lower fixed position generally is provided with the dead bolt knob hole, and this hole is once stirring, and dead bolt just can gulp down into, and door can be opened immediately.So it is must add strick precaution herein, otherwise abnormally dangerous.

The dead bolt knob hole is installed behind the utility model is run into when stirring or destroying, make its contact lock body a certain position contact because of touching short-circuit spring leaf (8) with drill bit, as the D point, warning circuit conducting, formation short-circuit alarming.

4, force open the door and take precautions against to report to the police

When door is in closed condition, and on the insulating support (1) of lock body Joint the reed that opens circuit (9) is housed, contact with doorframe, as 2 contacts of B, D and conducting makes it to be in alert status.When forcing open the door, the reed that opens circuit (9) separates with doorframe, i.e. 2 disconnections of A, B make warning circuit self conducting and form breaking alarming.

5, battery protection

Be installed on the insulating support (2) in the warning box short-circuit spring leaf (12) is housed, be provided with a push rod (13) therebetween, this push rod (13) inserts in the insulating support (2), when loading onto battery case (6), the precession trip bolt, push rod (13) is risen, and short-circuit spring leaf (12) separates with short-circuit contact C1 on the insulating support (2).Take out battery when desire, must become flexible the screw of battery cover earlier, at this moment push rod (13) falls after rise, and short-circuit spring leaf this moment (12) contacts with the short-circuit contact C1 of insulating support (2), makes the warning circuit conducting, forms short-circuit alarming.

6, warning box self-protection

Insulating support (4) also is housed in the warning box, this insulating support (4) is equipped with short-circuit spring leaf (14), be provided with push rod (15) therebetween, this push rod (15) inserts in the insulating support (4), when being installed in this warning box on the antitheft door, push rod (15) contacts with lock box, push rod (15) is risen, short-circuit spring leaf (14) separates with short-circuit contact C2, when prizing the warning box, push rod (15) falls after rise, and short-circuit spring leaf (14) is contacted with short-circuit contact C2 on the insulating support (4), and make the warning circuit conducting, form short-circuit alarming.

From the above mentioned; the utlity model has lock core and take precautions against warning, dead bolt knob hole strick precaution warning, the multiple functions such as taking precautions against warning, battery protection and the protection of warning box pick-proof of forcing open the door; not only can be installed on the antitheft door; also can be installed on automobile door, the safety cabinet; its dependable performance; price is low, can be numerous residents and accepts.

The utility model embodiment accompanying drawings is as follows:

Fig. 1 is the utility model embodiment overall schematic.

Fig. 2 is the insulating support 1 modular construction synoptic diagram of the utility model embodiment.

Fig. 3 is the left view of Fig. 2.

Fig. 4 is warning box 24 modular construction synoptic diagram.

Fig. 5 is the left view of Fig. 4.

Fig. 6 is that insulating support 1 is installed in the synoptic diagram on the lock body.

Fig. 7 is the right view of Fig. 6.

Fig. 8 is the rear view of Fig. 6.

Fig. 9 is the utility model embodiment warning circuit block scheme.

Figure 10 is the circuit theory diagrams of the utility model embodiment warning circuit.

DC power supply circuit is made up of direct supply E1, power switch K1, K2, button switch K 3 and LED in the above-mentioned warning circuit, the break-make of K switch 1, K2 control direct supply E1; Triode BG1 emitter E connects the g end of controllable silicon SCR in the above-mentioned trigger circuit, BG1 base stage B connects the A point of breaking alarming through resistance R 1, BG1 collector C directly links to each other with short-circuit alarming C point, be connected with a end of SCR through resistance R 2 simultaneously, in addition, the BG1 emitter E directly links to each other with direct supply E1 negative pole through capacitor C 1; Triode BG2 emitter E connects the negative pole of direct supply E1 in the above-mentioned oscillatory circuit, resistance R 3 and capacitor C 2 also connect, itself and connect after a termination BG1 base stage B, the other end connects short-circuit alarming B point and D point through resistance R 4, is connected with the c end of controllable silicon SCR in the described trigger circuit simultaneously; Above-mentioned penetrating with the base stage B of the triode BG3 in the circuit links to each other with triode BG2 collector C in the described oscillatory circuit, BG3 emitter E warp and the R5, the C3 that connect connect described direct supply E1 negative pole, and the BG3 collector is held through the c that resistance R 6 connects the controllable silicon SCR in the described trigger circuit; The base stage of above-mentioned triode BG4 is connected with described amplifying circuit through capacitor C 7, link to each other with direct supply E1 negative pole simultaneously through resistance R 8, R5, the emitter E of BG4 and collector C respectively after capacitor C 5 and resistance R 9 with described trigger circuit in the C of controllable silicon SCR hold and be connected; Form described amplifying circuit by triode BG5, BG6 and resistance R 10, wherein the emitter E of BG5 meets the base stage B of BG6, and the collector C of triode BG6 meets loudspeaker Y.

At ordinary times, the reed that opens circuit (9) links to each other with doorframe, i.e. 2 contacts of A, B, triode BG1 output voltage arrives controllable silicon SCR through resistance R 1 in the warning circuit, and R1 resistance reaches 100K, because the voltage drop on R1 is very big, do not reach and make the SCR trigger voltage, the not conducting of whole warning circuit; Separately BG1 base stage B voltage is very high at this moment as 2 of A, B, thereby has enough voltage that SCR is triggered, and the output trigger pip makes the warning circuit conducting.

Short-circuit spring leaf (7), short-circuit spring leaf (8), the reed that opens circuit (9), power supply reed (10) all adopt screw fastening with insulating support (1); Short-circuit spring leaf (12) and support (2), short-circuit spring leaf (14) and support (4), power supply reed (16) also uses screw fastening with support (5).

The model of each components and parts in the warning circuit, parameter are as follows:

It is 1008G that BG1～BG5 all adopts 9014 triodes, BG6 model;

The resistance of R1～R10 is respectively: 100K, 2.2K, 470K, 4.7K, 10K, 510 Ω, 27K, 15K, 2.2K, 510 Ω;

The electric capacity of C1～C6 is respectively: 10 μ, 1 μ, 100 μ, 1 μ, 100 μ, 0.01 μ.

The SCR model is CR0.2A

Direct supply E1 is the 3V dc-battery;

Adopt 8 Ω loudspeaker Y.

Claims

1, a kind of multi-function anti-theft alarm device, it is characterized in that it being by warning box (24), two power switch K1 of warning circuit, K2, four short-circuit spring leafs (7) (8) (12) (14), the reed that opens circuit (9), four insulating supports (1) (2) (4) (5), four push rods (11) (13) (15) (17) are formed, insulating support (1) vertical connection in described four short-circuit spring leafs in two short-circuit spring leafs (7) (8) and the reed that opens circuit (9) and described four insulating supports, the one end all is fixed on the side of this insulating support (1), and make two short-circuit spring leafs (7) (8) that join with it, the reed that opens circuit (9) is parallel with the back of lock body, one of them short-circuit spring leaf (7) stretches in the lock core and with lock core and keeps a minim gap, another short-circuit spring leaf (8) also keeps a minim gap with lock body, the described reed that opens circuit (9) is when door is closed, contact with doorframe, after described insulating support (1) is installed on the narrow side of lock body, on itself and the lock body opposite external side face, be provided with a power supply reed (10) and a contact M, power supply reed (10) and contact M form described power switch K1, wherein an end of power supply reed (10) is fixed in insulating support (1) one end, also be provided with a push rod (11) on this insulating support (1), this push rod (11) inserts in it from the lateral surface middle part of insulating support (1), the one end passes insulating support (1) and stretches in the lock box, the other end can be with described power supply reed (10) jack-up, and remaining three insulating support (2) (4) (5) is installed in respectively in the described warning box of institute, wherein respectively be provided with a short-circuit spring leaf (12) (14) on two insulating supports (2) (4), and an end that makes these two short-circuit spring leafs (12) (14) is fixed in respectively on the insulating support (2) (4), and these two insulating supports (2) (4) respectively are provided with a short-circuit contact, be respectively equipped with a push rod (13) (15) on these two insulating supports (2) (4), these two push rod one ends insert respectively in the corresponding insulation support (2) (4), the other end is then respectively with a corresponding short-circuit spring leaf jack-up, itself and corresponding short-circuit contact are separated, and the 4th insulating support (5) is provided with another power supply reed (16) and a contact N, power supply reed (16) and contact N form power switch K2, also be provided with a push rod (17) on the insulating support (5), stretch in the lock box behind these push rod (17) one ends insertion insulating supports (5) and be connected with dead bolt, and the other end stretches out the warning box and pass and insulating support (11) that the narrow side of the box of reporting to the police is affixed, at ordinary times, the reed (9) that opens circuit links to each other with lock body, promptly become conducting state with described warning circuit, and four short-circuit spring leafs (7) (8) (12) (14) become off state at ordinary times with lock body, described wiring board (3) is provided with warning circuit, this wiring board (3) is installed in the described warning box (24), described insulating support (1) and two short-circuit spring leafs (7), (8), the reed that opens circuit (9), a power supply reed (10) and push rod (11) constitute insulating support 1 assembly; Warning box (24) constitutes warning box (24) assembly with warning circuit, two short-circuit spring leafs (12) (14), a power supply reed (16) and three push rods (13) (15) (17).

2, multi-function anti-theft alarm device according to claim 1, it is characterized in that, described warning circuit by DC power supply circuit (23), trigger circuit (18), oscillatory circuit (19), penetrate with circuit (20), negater circuit (21), amplifying circuit (22) and loudspeaker Y and form, described DC power supply circuit provides direct supply to whole warning circuit, trigger circuit output connects the oscillatory circuit input, oscillatory circuit output is connected with penetrating with circuit input, penetrate with circuit and link to each other with amplifying circuit through negater circuit, this amplifying circuit then meets loudspeaker Y.

3, multi-function anti-theft alarm device according to claim 2, it is characterized in that DC power supply circuit is made up of direct supply E1, power switch K1, K2, button switch K 3 and LED in the described warning circuit, the break-make of K switch 1, K2 control direct supply E1.

4, multi-function anti-theft alarm device according to claim 3, it is characterized in that triode BG1 emitter E in the described trigger circuit connects the g end of controllable silicon SCR, BG1 base stage B connects the A point of breaking alarming through resistance R 1, BG1 collector C directly links to each other with short-circuit alarming C point, be connected with a end of SCR through resistance R 2 simultaneously, in addition, the BG1 emitter E directly links to each other with direct supply E1 negative pole through capacitor C 1.

5, multi-function anti-theft alarm device according to claim 4, it is characterized in that triode BG2 emitter E in the described oscillatory circuit connects the negative pole of direct supply E1, resistance R 3 and capacitor C 2 also connect, itself and connect after a termination BG1 base stage B, the other end connects short-circuit alarming B point and D point through resistance R 4, is connected with the c end of controllable silicon SCR in the described trigger circuit simultaneously.

6, multi-function anti-theft alarm device according to claim 5, it is characterized in that described penetrating with the base stage B of the triode BG3 in the circuit links to each other with triode BG2 collector C in the described oscillatory circuit, BG3 emitter E warp and the R5, the C3 that connect connect described direct supply E1 negative pole, and the BG3 collector is held through the c that resistance R 6 connects the controllable silicon SCR in the described trigger circuit.

7, multi-function anti-theft alarm device according to claim 6, the base stage that it is characterized in that described triode BG4 is connected with described amplifying circuit through capacitor C 7, link to each other with direct supply E1 negative pole simultaneously through resistance R 8, R5, the emitter E of BG4 and collector C respectively after capacitor C 5 and resistance R 9 with described trigger circuit in the C of controllable silicon SCR hold and be connected.

8, multi-function anti-theft alarm device according to claim 7 is characterized in that forming described amplifying circuit by triode BG5, BG6 and resistance R 10, and wherein the emitter E of BG5 meets the base stage B of BG6, and the collector C of triode BG6 meets loudspeaker Y.