CN209046789U

CN209046789U - A kind of video intercom indoor unit of compatible telephone function

Info

Publication number: CN209046789U
Application number: CN201821948976.1U
Authority: CN
Inventors: 朱元军
Original assignee: Shenzhen Yuan Wei Technology Co Ltd
Current assignee: Shenzhen Yuan Wei Technology Co Ltd
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2019-06-28
Anticipated expiration: 2028-11-26

Abstract

The utility model discloses a kind of video intercom indoor units of compatible telephone function, including indoor unit, doorway machine, the indoor unit includes phone module, frequency switch circuit, HANDSET circuit, master controller and Panel circuit, the phone module and frequency switch circuit are electrically connected, the frequency switch circuit and HANDSET circuit are electrically connected, the doorway machine and frequency switch circuit are electrically connected, the output end and master controller input terminal of doorway machine are electrically connected, the output end of master controller and the input terminal of Panel circuit are electrically connected, the frequency switch circuit and master controller are electrically connected.The utility model realizes doorway machine calling, telephone rings, leads to mutually calling in every family, between answering with indoor unit, audio can smooth transmission without the technology that interferes with each other and still have the function of traditional intercommunication, unlocking, video capture, video record and storage etc..

Description

A kind of video intercom indoor unit of compatible telephone function

Technical field

The utility model belongs to electronic visual doorbell technical field, specially a kind of video intercom room of compatible telephone function Interior extension set.

Background technique

Entryphone usually forms a system by outdoor doorway machine and indoor unit.Existing entryphone master in the market Have following several classes: 1. pure audio intercommunications, only sound, without video, indoor unit also not answer only, unlock with screen Function.2. simple video intercom increases band screen display, it can be seen that visiting people's image on the basis of pure audio.3. band The video intercom of image procossing increases video capture and video record function on the basis of 2 class.4.2.4G wireless visible door Bell does not need to be routed, and point-to-point audiovisual presentation transmission due to the WIFI of the criteria of right and wrong, is then unable to remote transmission and mobile phone Deng communication connection.5. the WIFI doorbell of standard, the audio/video information of visitor, can simultaneous transmission to cell phone application, but due to 3G/4G Signal intensity it is limited, and WIFI signal is easy the interference by ambient enviroment, causes speech quality poor, effect is also not very It is ideal.Therefore, when owner stays out, it is desirable to understand family visitor information in first time, converse with visitor, at present not One relatively good entryphone solution.

Further, while mobile phone has been popularized, but some families still remain with fixed-line telephone habit.In view of time Seldom, domestic space is also taken up.Therefore in order to reduce space hold, the repeating part of equipment is reduced, it is necessary to by telephone set It is integrated into inside the indoor unit of video doorbell, synthesizes an equipment.

Utility model content

The purpose of this utility model is that: in order to solve the problem above-mentioned, provide a kind of the visual right of compatible telephone function Say indoor unit.

The technical solution adopted in the utility model is as follows:

A kind of video intercom indoor unit of compatible telephone function, including indoor unit, doorway machine, the indoor unit packet Phone module, frequency switch circuit, HANDSET circuit, master controller and Panel circuit are included, the phone module is cut with audio Circuit electric connection is changed, the frequency switch circuit and HANDSET circuit are electrically connected, the doorway machine and frequency switch circuit It is electrically connected, the output end and master controller input terminal of doorway machine are electrically connected, output end and the Panel circuit of master controller Input terminal is electrically connected, and the frequency switch circuit and master controller are electrically connected.

Wherein, the phone module is by dual tone multi-frequency signal generator HT9200A, touch-tone signal receiver HT9172, MC34118 hand-free call integrated circuit, dialing detection circuit and control circuit composition.

Wherein, the HT9200A dual tone multi-frequency signal generator, it can be controlled by instruction and generate 16 kinds of two-frequency signals and 8 Kind simple signal, and exported by DTMF pin.

Wherein, the HANDSET circuit is by a full-duplex telephone chip module TEA1062 and external microphone and loudspeaker group At.

In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:

1. the utility model, the video intercom indoor unit of the compatible telephone function, realize visitor's call door bell, in room While interior extension set jingle bell, ringing signal is sent to mobile phone or the function of other telephones by phone module.

2. the utility model, the video intercom indoor unit of the compatible telephone function are realized when external call is dialled in, It can answer on extension set indoors, the function of call.

3. the utility model, the video intercom indoor unit of the compatible telephone function realize doorway machine calling, phone is rung Bell leads to mutually calling in every family, answer with indoor unit between, audio can smooth transmission have without the technology that interferes with each other and still The functions such as traditional intercommunication, unlocking, video capture, video record and storage.

Detailed description of the invention

Fig. 1 is the program chart of the utility model；

Fig. 2-5 be signal generator and receiver module in the novel middle circuit module of this experiment, the detection circuit that dials, The circuit diagram of MC34118 hand-free call integrated circuit；

Fig. 6-9 is the circuit diagram and pin wiring diagram of master controller in the utility model.

Marked in the figure: 1, doorway machine；2, phone module；3, frequency switch circuit；4, HANDSET circuit；5, master controller； 6, Panel circuit.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.

Embodiment one: referring to Fig.1-9, a kind of video intercom indoor unit of compatible telephone function, including indoor unit, door Mouth machine 1, indoor unit includes phone module 2, frequency switch circuit 3, HANDSET circuit 4, master controller 5 and Panel circuit 6, phone module 2 and frequency switch circuit 3 are electrically connected, and frequency switch circuit 3 and HANDSET circuit 4 are electrically connected, doorway machine 1 is electrically connected with frequency switch circuit 3, and the output end and 5 input terminal of master controller of doorway machine 1 are electrically connected, master controller 5 The input terminal of output end and Panel circuit 6 is electrically connected, and frequency switch circuit 3 and master controller 5 are electrically connected.

Embodiment two: referring to Fig. 2-5, phone module 2 is by dual tone multi-frequency signal generator HT9200A, touch-tone signal Receiver HT9172, MC34118 hand-free call integrated circuit, dialing detection circuit and control circuit composition, HT9200A double-tone Multi-frequency signal generator.It can be controlled by instruction and generate 16 kinds of two-frequency signals and 8 kinds of simple signals, and be exported by DTMF pin.

HT9172 is the dual tone multi-frequency dtmf signal receiver with digit translation and filter function, built-in amplification Circuit can be adjusted input signal, and dtmf signal is decomposed into high and low frequency signal by the filter circuit of high-speed transitions, benefit 16 kinds of DTMF inputs are decoded with the method for digital counting, and generate 4 code output, phone module 2 realizes doorway The call function of machine and external call realizes the call function of HANDSET circuit 4 and external call on indoor unit, above-mentioned function Corresponding voice-grade channel can be chosen by MCU, and controls dual-tone multifrequency HT9200A, HT9172 and auxiliary circuit realization telephone signal Encoding and decoding, HANDSET circuit 4 realizes and doorway machine 1, the answering of other indoor units, call function.

Embodiment three: referring to Fig. 6-7, HANDSET circuit 4 is by a full-duplex telephone chip module TEA1062 and external Microphone and loudspeaker form, and realize and the answering of external call, call function；Realize with doorway machine, the answering of other indoor units, Call function；Above-mentioned function chooses corresponding voice-grade channel to realize by MCU.

Example IV: referring to Fig. 8-9, master controller 5 is used, and STM32F030R8T6 chip, master controller 5 is for being responsible for The calling of video doorbell is answered, intercommunication, unlocking processing, and the encoding and decoding of 2 touch-tone signal of phone module, voice-grade channel is cut Change selection circuit, the I/O port control of peripheral circuit etc..

Master controller 5 is a total concept, it may be only an IC, it is also possible to be composed of multiple IC, this can Depending on the master controller 5 in intercommunication indoor unit, driven by video image decoding chip GM8296, ISP chip NVP6134C, LCD T123AI and microcontroller STM32F030R8T6 are constituted, and control 4 I/O ports (MCU_AUDIOSELECT4,5,6) by MCU Low and high level combination, select corresponding switch on and off every time, the audio side of needs accessed into audio-frequency bus AUDIO two-by-two.From And realizing complicated multi-channel audio mutually can orderly switch.

This video intercom indoor unit further includes the company of frequency switch circuit, video switch circuit, indoor unit and outdoor unit Connection communication module between connection module, indoor unit, audio input, output module, video input, output module, phone module Circuit, control circuit etc..

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of video intercom indoor unit of compatible telephone function, including indoor unit, doorway machine (1), it is characterised in that: institute Stating indoor unit includes phone module (2), frequency switch circuit (3), HANDSET circuit (4), master controller (5) and Panel electricity Road (6), the phone module (2) and frequency switch circuit (3) are electrically connected, the frequency switch circuit (3) and HANDSET electricity Road (4) is electrically connected, and the doorway machine (1) and frequency switch circuit (3) are electrically connected, the output end of doorway machine (1) and master control Device (5) input terminal processed is electrically connected, and the output end of master controller (5) and the input terminal of Panel circuit (6) are electrically connected, described Frequency switch circuit (3) and master controller (5) are electrically connected.

2. a kind of video intercom indoor unit of compatible telephone function as described in claim 1, it is characterised in that: the phone Module (2) is by dual tone multi-frequency signal generator HT9200A, touch-tone signal receiver HT9172, MC34118 hand-free call collection At circuit, dialing detection circuit and control circuit composition.

3. a kind of video intercom indoor unit of compatible telephone function as claimed in claim 2, it is characterised in that: described HT9200A dual tone multi-frequency signal generator, it can be controlled by instruction and generate 16 kinds of two-frequency signals and 8 kinds of simple signals, and by The output of DTMF pin.

4. a kind of video intercom indoor unit of compatible telephone function as described in claim 1, it is characterised in that: described HANDSET circuit (4) is made of a full-duplex telephone chip module TEA1062 and external microphone with loudspeaker.