CN2070934U - Electronic anti-theft alarm - Google Patents

Abstract

The utility model relates to an electronic anti-theft alarm device which is formed by making use of the control technology of relay node. The utility model comprises an electrical source, an actuating circuit, a time delay effect circuit, an alarm control circuit, an alarm circuit, etc. The utility model has the multi-function that the exact alarm is realized; after the alarm is actuated within one minute, the alarm is not given no matter which mode a man adopts to open the door; the alarm can not be given if a key is used to open door; the guest message-leaving and a bell functions are realized; the in-site alarm and the remote alarm are realized, and other functions are realized.

Description

Burglar alarm

Burglar alarm belongs to the electronic anti-theft alarm technique.

In the existing burglar alarm, active fire alarm and passive type warning two big classes are arranged usually, an emitter and a receiving trap are often arranged in the active fire alarm device, transmit after the invaded person reflection, be received device and receive and pushing executing mechanism after the signal Processing is sent alerting signal.This class warning device is owing to there is emitter, so one-piece construction more complicated, cost is than higher, in the passive type warning device, two types of warnings are also arranged usually, and a class is a sound, light is reported to the police, and it is after being accepted by sensor by invador's signal, conversion through electronic circuit, become sound, light signal is notified the guarder, and as CN2042983U, a class is shooting invador's a video, stay its crime criminal evidence, be convenient to scout and solve a case, or by the TV pickup technology, Direct observation and record be invador's crime video down as CN2042981U and CN8520985U, all belong to this class as world patent WO82/02099 instructions and antitheft closed-circuit television system etc., in these devices, in a word, circuit, the structure more complicated, cost is higher, be difficult for promoting the use, the functional reliability that has is not ideal enough, produces false alarm sometimes, or use reasons such as convenient not enough, make the enforcement aspect that certain difficulty be arranged.

The purpose of this utility model provides a kind of circuit, simple in structure, and diverse in function is safe and reliable, and anti-theft capability is strong, and is easy to use, and cost is low, implements to promote easy burglar alarm.

For achieving the above object, the utility model is taked following measure:

1. use AC and DC hybrid power supply, with people's contact portion, use 6 volts power supplies of direct current, in the 220 volts of power supplies of part use interchange of reporting to the police, also in parallel one group of 6 volts of dry cell in addition, as emergency standby power,

2. the design time-delay circuit that comes into force makes the operator can not report to the police in back 1 minute throwing to report to the police, so that the actions such as opening the door, go out, lock a door that allows him finish of abundant time is arranged,

3. use relay node control technology,, be designed to start-up circuit, alarm control circuit, warning circuit etc. in conjunction with elements such as button, microswitch, limit switch, news Chinese percussion instruments.

4. microswitch is installed in the automatic door lock, has designed key and opened the door and do not report to the police, otherwise the program of reporting to the police,

Now in conjunction with the accompanying drawings embodiment is given to describe in detail,

What Fig. 1 provided is the circuit diagram of embodiment, and its square frame 1 is that power unit adopts alternating current-direct current hybrid power supply mode, and control circuit adopts 6 volts of direct current supplys so that the fuselage microminiaturization, and guarantee not have the danger of electric shock, warning circuit can be realized distant place warning function with 220 volts of Alternating Current Power Supplies

Square frame 2 is start-up circuits, by relay J ₂, J ₃, J ₄Mini button A ₁, A ₂, A ₄, microswitch A ₃, compositions such as microswitch K click button A ₁, power turn-on, J ₂, J ₃Action, J ₂₁, J ₂₂Close J ₃₂, J ₃₃Open, make machine be in the releasing alarm condition.Click button A ₄, J ₃Backspace, J ₃₂, J ₃₃The machine that closes is thrown and is reported to the police.

Square frame 3 is the circuit that come into force of delaying time, by relay J ₁, delay switch element K ₃, K ₄Deng composition, have the function that comes into force of delaying time, promptly to throw and report to the police back one minute in, any way opens the door and does not report to the police, and makes owner finish the supervisor that opens the door, closes the door, locks a door in throwing was reported to the police back one minute.K ₃, K ₄All adopt R-100 electronic time-delay switch element, J ₄Be a midget relay by 6 volts of direct current controls, volume is little, reliable in function, and when power supply, J ₄Action, J ₄₁Open, disconnect J after R-100 prolongs one minute ₁Backspace, J ₁₁Close, reach the purpose that comes into force of delaying time, K ₄Be attempted by both ends of power after Q connects, Q is the supply socket of two card videocorders, can give and put the usefulness of making guest's message, when machine is in alarm condition, J ₁Backspace, J ₁₂Open J ₁₁Close, at this moment click A ₆, L ₁Do not ring, and J ₅Action, J ₅₁It is disconnected to close the back, K ₄Connection also keeps disconnected after 1～3 minute, so whenever clicks A ₆, charged 1～3 minute of socket Q if the two card videocorder attaching plugs that preset are inserted on the socket Q, then can realize guest's message-leaving function, " B " promptly emits recording in advance as " whom you look for after being stuck in connection!---he does not exist---the busy message that woulds you please---please louder ", " A " card promptly begins recording, and the guest is talked the message record down, after videocorder stops automatically, clicks A again ₆, can repeat above function again.

Square frame 4 is alarm control circuits, is by relay J ₅, J ₆, J ₇, J ₉₁, mini button A ₆Limit switch A ₇, news Chinese percussion instrument L ₁Deng composition, when being in the releasing alarm condition, because J ₁Action J ₁₂Close, as bell button A ₆When closing, doorbell L ₁Ring, after throwing is reported to the police and was delayed time one minute, J ₁Backspace, J ₁₁Close to the alarm control circuit power supply, at this moment owner goes out, because the A that lays the key under the door ₇Close J ₆Action, J ₆₁Open, if door is opened limit switch A by the burglar ₇Disconnect J ₇Backspace, J ₇₁J closes ₆Action J ₆₁, J ₆₃Close J ₉₁Action realizes reporting to the police.

Square frame 5 is warning circuits, works as J ₉₁Action, J ₉₁₁Close J ₈Action, J ₈₁, J ₈₂Close, if K ₂At electric bell L ₂Electric bell L then ₂Ring, if K ₂It is bright to be connected on 4 pilot lamp 4 of pilot lamp.A ₈Be the releasing alarm button,

With Fig. 1 is that example is listed circuit component selection: J ₁, J ₉₁JTX-2C～220VJ ₄, J ₅, J ₈₁JZC-6FB-6V/～20VJ ₂, J ₃, J ₆, J ₇4098-6VK ₃, K ₄R-100～220V rectifier transformer～220V-6V 4WL ₁701-6V news Chinese percussion instrument L ₂4 "～220V electric bell A ₁, A ₂, A ₄, A ₆-6V mini button A ₈～220V pocket buttons A ₃Microswitch (being used for common automatic locking) A ₇Limit switch lamp 1,5 neon lamp lamp 2,3 LED light lamp 4～220V signal light battery 5# dry cell K ₁, K ₂Microswitch

The sequence of operation of present embodiment is:

(1) selects type of alarm: mode 1, K ₁Disconnected, all opening the door all reported to the police, mode 2, K ₁Logical, turn the key in the lock and do not report to the police, otherwise report to the police;

(2) connect with the mains: load onto dry cell, insertion～220V power supply, pilot lamp 1 is bright, J ₁Action, J ₁₂Close J ₁₁Open,

(3) throw doorbell: click A ₁, J ₂, J ₃Action, J ₂₁, J ₂₂Close J ₃₁Close J ₃₂, J ₃₃Open, pilot lamp 2 is bright.

(4) throw warning: click A ₄, J ₃Backspace, J ₃₁Open J ₃₂, J ₃₃Close J ₄Action, J ₄₁Open, delayed time J one minute ₁Backspace, H ₁₁Close J ₁₂Open, pilot lamp 3 is bright.

(5) guest's message:, click A throwing under the alarm condition ₆, J ₅Action, J ₅₁Close, charged 1～3 minute of socket Q is inserted on the Q if preset two card videocorder power supplys, can realize guest's message-leaving function.

(6) alarm procedure:

Mode 1: open the door A ₇Contact disconnects, J ₇Backspace, J ₇Close J ₆Action, J ₆₁, J ₆₂, J ₆₃Close, self-sustaining is interrogated Chinese percussion instrument on the spot and is reported to the police a distant place such as reception room electric bell L ₁Report to the police, indication 5 is extinguished, and tells the person on duty, and which family is stolen.

Mode 2 does not make to turn the key in the lock, and alarm condition is with mode 1, when turning the key in the lock, and A ₃Close J ₃Action, J ₃₁Close J ₃₂, J ₃₃Open, automatically switch to the doorbell function, do not report to the police.

(7) remove warning: click A on the spot ₁, the reception room clicks A ₈Or switch to red light,

(8) inactive alarm: click A ₂Pilot lamp 2 extinguishes, and leaves behind～the 220V power supply, and pilot lamp 1 extinguishes.

The advantage that the utility model and existing warning device relatively have is:

(1) circuit is simple, easy to manufacture, cost is low, and the application ratio is easier to.

(2) work safety, good reliability does not produce false alarm,

(3) warning function is strong, can be full of user's burglar alarm needs,

(4) fitting operation is easy, and is easy to use.

Claims (2)

1. a burglar alarm comprises compositions such as (1) power circuit, (5) warning circuit, it is characterized in that:

A, between power circuit and warning circuit, be connected in series by relay J ₂, J ₃, J ₄And mini button A ₁, A ₂, A ₄, microswitch A ₃, microswitch K ₁Deng (2) start-up circuit of forming;

B, in parallel with power circuit by relay J ₁, delay switch element K ₃, K ₄In form (3) time-delay circuit that comes into force;

C, in the middle of (2) start-up circuit and (5) warning circuit, be connected in series by relay J ₅, J ₆, J ₇, J ₉₁And mini button A ₆, limit switch A ₇, news Chinese percussion instrument worker L ₁Deng (4) alarm control circuit of forming,

2. burglar alarm according to claim 1 is characterized in that delay switch element K ₃, K ₄Adopt R-100,