CN201657233U

CN201657233U - Doorbell and visitor intercom system

Info

Publication number: CN201657233U
Application number: CN2010201736109U
Authority: CN
Inventors: 魏淑桃
Original assignee: Shanghai Polytechnic University
Current assignee: Shanghai Polytechnic University
Priority date: 2010-04-27
Filing date: 2010-04-27
Publication date: 2010-11-24
Anticipated expiration: 2020-04-27

Abstract

The utility model provides a doorbell and visitor intercom system. The system comprises a call module, and a phone module connected with the call module, wherein the phone module comprises a diverter switch circuit, and an integrated audio amplification module, a doorbell prompting circuit and a phone audio output circuit respectively connected with the diverter switch circuit; the input terminal of the integrated audio amplification module is connected with the phone audio input circuit; the call module includes an audio amplification circuit, a call audio output circuit and a call button circuit respectively connected with the diverter switch circuit; and the input terminal of the audio amplification circuit is connected with a call audio input circuit. The doorbell and visitor intercom system can achieve long-distance communication besides the conventional doorbell function to carry out the communication between visitors and residents in an audio manner in first time, so as to identify the visitors, and improve the safety of the living environment for the residents.

Description

Doorbell visitor intercom system

Technical field

The utility model relates to a kind of resident of raising safe communication system of living, and is specifically related to a kind of wired doorbell visitor intercom system.

Background technology

At present, people's housing condition has obtained continuous improvement, and the residential environment that it is old and original administrative mechanism and management method be the new situations of the current development and change of incompatibility.People are except to the consideration on the cost performance of living space, more and more are to have higher requirement on the environment, safety, convenience to purchasing house.Doorbell is that this is the instrument that is in daily use in the actual life, and it is simple communication tool between visitor and the house owner, and defendant's the guest that has visits.Its shortcoming is that doorbell can only notify the house owner to have the guest to visit, and can not inform whom owner's visiting person is, causes resident family is caused very big potential safety hazard.

The utility model content

The utility model provides a kind of doorbell visitor intercom system, can realize the function that traditional doorbell is all, can converse with the visitor simultaneously, allows the identity that resident family can the identification visitor, has increased the sense of security of resident family, ensures resident family's safety.

For achieving the above object, the technical solution of the utility model provides a kind of doorbell visitor intercom system, it is characterized in that this system comprises calling module, and the phone module that is connected with this calling module circuit;

Above-mentioned phone module comprises switching switch circuit, and the integrated audio amplification module, doorbell cue circuit and the phone audio output circuit that are connected with this switching switch circuit circuit respectively; The input of this integrated audio amplification module is connected with phone audio frequency input circuit;

Above-mentioned calling module comprises audio amplifier circuit, call audio output circuit and the call button circuit that is connected with this switching switch circuit respectively; The input of this audio amplifier circuit is connected with the call audio input circuit.

Above-mentioned call button circuit also comprises several indicator lights; During this call button circuit working, some these indicator lights are bright lamp respectively, the operating state of prompting call button circuit.

When the call button circuit sending signal, the switching switch circuit switching signal enters the doorbell cue circuit, triggers its work and sends the ring sound.Resident family hears the ring sound of doorbell cue circuit, start the phone module, the switching switch circuit switched path, the doorbell cue circuit quits work, and make the signal input and output conducting of phone audio output circuit and phone audio frequency input circuit, can carry out intercommunication between visitor and the resident family.The visitor speaks by the call audio input circuit, and voice signal outputs to switching switch circuit by audio amplifier circuit, via switching switch circuit the voice signal that amplifies is transferred to the output of phone audio output circuit again.When resident family talked by phone audio frequency input circuit, voice signal outputed to switching switch circuit by the integrated audio amplification module, via switching switch circuit the voice signal that amplifies was transferred to the output of call audio output circuit again.

The utility model doorbell visitor intercom system is compared with existing door bell and button system, its advantage is, the utility model is provided with phone audio frequency input circuit, phone audio output circuit, call audio input circuit and call audio output circuit, when can realizing traditional doorbell function, can also converse at a distance, allow with form of sound in the very first time and to link up between resident family and the visitor, in time discern visitor's identity, improve the fail safe of resident family's living environment.

Description of drawings

Fig. 1 is the general structure block diagram of the utility model doorbell visitor intercom system.

Embodiment

Below in conjunction with description of drawings embodiment of the present utility model.

See also shown in Figure 1ly, the utility model doorbell visitor intercom system comprises calling module 1, and the phone module 2 that is connected with this calling module 1 circuit, is communicated with by circuit between calling module 1 and the phone module 2, and effectively the intercommunication distance can reach more than 100 meters.

This phone module 2 comprises switching switch circuit 21, and the integrated audio amplification module 22, doorbell cue circuit 23 and the phone audio output circuit 25 that are connected with these switching switch circuit 21 circuit respectively; The input of integrated audio amplification module 22 is connected with phone audio frequency input circuit 24.

Doorbell cue circuit 23 adopts 9300 serial Music Clips, and the doorbell signal of receipt of call module 1 is sent out the doorbell prompting sound, and there is the visitor in prompting resident family.Integrated audio amplification module 22 adopts the TBA820M chip, and the audio frequency input circuit 24 that this integrated audio amplification module 22 connects adopts common microphone, receives the voice signal of resident family.Audio output circuit 25 adopts common receiver, and the concurrent sending voice information of the voice signal of receipt of call module 1 helps resident family to learn visitor's identity information.

What switching switch circuit 21 adopted is the diverter switch of 3*4.Four groups of changeable four kinds of signal conditions of port.Be respectively:

One, switching signal transmission channel makes the signal input and output conducting of the phone audio output circuit 25 and the phone audio frequency input circuit 24 of phone module 2;

Two, switching signal transmission channel makes doorbell cue circuit 23 received signals and the triggering work of phone module 2;

Three, switching signal transmission channel makes phone module 2 energized and startup;

Four, the operating state between switching phone module 2 and the calling module 1 makes doorbell visitor intercom system enter holding state or intercommunication state.

Calling module 1 comprises audio amplifier circuit 11, call audio output circuit 12 and the call button circuit 14 that is connected with switching switch circuit 21 respectively; The input of audio amplifier circuit 11 is connected with call audio input circuit 13.

Call button circuit 14 comprises two-way button output circuit, and every road button output channel is provided with a push-button switch SW, is connected with two indicator lights that are connected in parallel simultaneously, and this indicator light is a LED.When push-button switch SW presses, power turn-on, two LEDs meeting conductings on this road circuit are luminous, point out this road button circuit work.

Audio amplifier circuit 11 adopts the repercussion amplifying circuit, and this repercussion amplifying circuit mainly adopts three triodes to form.The call audio input circuit 13 that audio amplifier circuit 11 connects adopts common microphone.Call audio output circuit 12 adopts common receiver.

It is as follows that the utility model doorbell visitor intercom system gets workflow:

When call button circuit 14 is pressed when sending signal, power turn-on, the indicator light in the call button circuit 14 lights, and switching switch circuit 21 switching signals enter doorbell cue circuit 23, trigger its work and send the ring sound.Hear the ring sound of doorbell cue circuit 23 when resident family, start phone audio output circuit 25 and phone audio frequency input circuit 24, switching switch circuit 21 switches to another road, make the signal input and output conducting of the phone audio output circuit 25 and the phone audio frequency input circuit 24 of phone module 2, this moment doorbell cue circuit 23 to quit work be that jingle bell sound stops, can carrying out intercommunication between visitor and the resident family.When the visitor speaks by call audio input circuit 13, voice signal outputs to switching switch circuit 21 by audio amplifier circuit 11, via switching switch circuit 21 voice signal that amplifies is transferred in the phone audio output circuit 25 of phone module 2, resident family can hear visitor's sound again.And resident family is during by phone audio frequency input circuit 24 speech, voice signal outputs to switching switch circuit 21 by integrated audio amplification module 22, via switching switch circuit 21 voice signal that amplifies is transferred in the call audio output circuit 12 of calling module 1, the visitor can hear resident family's voice again.

Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection range of the present utility model should be limited to the appended claims.

Claims

1. a doorbell visitor intercom system is characterized in that, this system comprises calling module (1), and the phone module (2) that is connected with described calling module (1) circuit;

Described phone module (2) comprises switching switch circuit (21), and the integrated audio amplification module (22), doorbell cue circuit (23) and the phone audio output circuit (25) that are connected with described switching switch circuit (21) circuit respectively; The input of described integrated audio amplification module (22) is connected with phone audio frequency input circuit (24);

Described calling module (1) comprises audio amplifier circuit (11), call audio output circuit (12) and the call button circuit (14) that is connected with described switching switch circuit (21) respectively; The input of described audio amplifier circuit (11) is connected with call audio input circuit (13).

2. doorbell visitor intercom system as claimed in claim 1 is characterized in that described call button circuit (14) also comprises several indicator lights; During described call button circuit (14) work, some described indicator lights are bright lamp respectively, points out the operating state of described call button circuit (14).