CN2064521U - Joint-guarding electronic alarming doorbells - Google Patents

Abstract

The utility model relates to a joint-guarding electronic alarming doorbell, mainly comprising an acoustic integrated block, a loudspeaker, an audion, a capacitor, a joint-guarding alarming line and a switch. The utility model can be used as a doorbell and an anti-theft alarming device and has the functions of delayed alarming and joint-guarding alarming. Because a passage alarming circuit is adopted, the structure is simple, the assembly is easy, the cost is low, the electrical power consumption is low, the sensitivity is high, and the lifetime is long; the utility model is the better domestic anti-theft doorbell at the present time.

Description

Joint-guarding electronic alarming doorbells

The utility model relates to a kind of burglar alarm, particularly a kind of joint defence electronic warning doorbell.

At present, doorbell, door lock all are the household supplies of popularizing, and independent separately the use do not possess anti-theft alarm function.Burglar alarm of the prior art has number of different types, as Ultrasonic Intruder Alarm, infrared anti-theft alarm, sharp burglar alarm of sound and triggering type anti-theft alarming device etc., but since circuit and complex structure, the energy consumption height, make and the installing difficulty, cost is expensive, and robber's destructible stops to report to the police and reason such as false alarm can take place, and can not promote the wider application in family.

The purpose of this utility model provides a kind of joint defence electronic warning doorbell, and it is simple in structure multi-functional, is suitable for family and popularizes use.

The purpose of this utility model can reach by following measure: joint defence electronic warning doorbell is provided with audio manifold block, triode, loudspeaker composition signal amplification output partly, power supply adopts dry cell, is reported to the police automatically by gauge tap and trigger switch series connection control.Utilization has the flapper lock to make gauge tap, and sealed for connecting, lock is opened for and opens circuit; The trigger switch and the couplet on the door are moving, and door is closed to opening circuit, and connect after door is opened certain distance.This doorbell is provided with the joint defence alarming line, can connect a plurality of Warning door bells and form the joint defence warning net; Adopt capacitor in parallel with audio manifold block, realize delayed alarm, the doorbell sound equipment pin of integrated package connects push switch and makes bell button.

Accompanying drawing drawing of the present utility model is described as follows:

Fig. 1 is the circuit theory diagrams of joint defence electronic warning doorbell.

Below in conjunction with accompanying drawing embodiment of the present utility model is further described: with reference to Fig. 1, the integrated package A of joint defence electronic warning doorbell is the audio manifold block with siren and doorbell sound, and signal is through triode BG ₁Amplify, transform by loudspeaker r and send, report to the police by gauge tap K ₁With trigger switch K ₂Series connection is control or hand switch K automatically ₃Manual control.Gauge tap K ₁Employing has the flapper lock, and when door lock was sealed, dead bolt was connected switch contact, and the back switch contact of unblanking disconnects; Trigger switch K ₂By gate control, close door switch K ₃Open circuit, open K switch behind the certain distance ₂Connect.Capacitor C ₁In parallel with audio manifold block, guarantee to trigger the back delayed alarm.This doorbell is provided with the joint defence alarming line, can be connected with a plurality of joint defence electronic warning of neighbours doorbell, forms the joint defence warning net, K switch ₄It is bell button.

Joint defence electronic warning doorbell can be used as doorbell and uses at ordinary times; After people lock a door, gauge tap K ₁Connect trigger switch K ₂Open circuit, when the robber forced open the door, door was pried open certain distance, K switch ₂Connect, doorbell triggers automatically and reports to the police; People also can pass through hand switch K as in the indoor special circumstances that occur ₃The artificial warning; Because how tame a plurality of Warning door bell joint defence, there is something special triggers in a family, and the warning of many families is in time taken measures people.

Circuit of the present utility model and simple in structure, assembling is easy, and cost is low, not only can do the doorbell use but also can make burglar alarm, has delayed alarm and joint defence warning function, can effectively bring into play theftproof performance. This doorbell adopts the path alarm circuit, and electricity consumption when only having the doorbell of use and warning is opened circuit at ordinary times, and power consumption is low, and control is sensitive, and the life-span is long, is the good assistant of home security.

Claims (2)

1, joint defence electronic warning doorbell mainly is made up of audio manifold block, loudspeaker, triode and switch, it is characterized in that adopting door lock to make gauge tap, trigger switch K ₂Moving with the couplet on the door, be provided with joint defence alarming line B, capacitor C ₁A connects with integrated package.

2, according to claim, described Warning door bell is characterized in that door lock is that the tongue lock is arranged, and dead bolt is connected switch contact when sealed, and the back switch contact of unblanking disconnects.

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