CN2415564Y

CN2415564Y - Intercom doorbell automatic switching device

Info

Publication number: CN2415564Y
Application number: CN 00231505
Authority: CN
Inventors: 翁琳松
Original assignee: Hongjin Electronic Co ltd
Current assignee: Weng Linsong
Priority date: 2000-03-22
Filing date: 2000-03-22
Publication date: 2001-01-17
Anticipated expiration: 2010-03-22

Abstract

An automatic switching device for intercom doorbell is directly connected with an intercom to form a signal to receive the call of the intercom. The automatic switching device includes a CPU for controlling and processing the whole device and connecting the interphone via a signal receiving interface card, a dual-tone dialing circuit triggered by the CPU to dial automatically according to the call, a sound amplifying and impedance matching circuit for amplifying the transmitted signal and outputting it with larger potential, and a telephone line for transmitting the signal to other telephones, so that the visitor can talk with the user directly.

Description

Intercommunication formula doorbell automatic switching device

The relevant a kind of automatic switching device of the utility model is particularly about the automatic switching device of the doorbell of a kind of gate speech talkback machine, to be forwarded to the telephone number that it sets.

Along with making rapid progress of development in science and technology, many households can install a speech talkback machine at front door, so that can know why person of visitor in advance before opening the door, avoiding allowing improperly, the personage enters.

But; because social trend tends to nuclear familyization at present; and the member in the family may work or read simultaneously outside; so usually all present no one's situation in the family, or be interim busy but must go out the time, therefore; regular meeting has the visitor to visit; the respondent does not then know to have the visitor to visit because of staying out, cause visitor and respondent both sides' puzzlement, very inconvenience.

Main purpose of the present utility model provides a kind of intercommunication formula doorbell automatic switching device, and this device can be forwarded to the doorbell of gate intercom formula the doorbell automatic switching device of preset phone number automatically when nobody replys.

Another purpose of the present utility model provides a kind of intercommunication formula doorbell automatic switching device, and this device can be matched the doorbell automatic switching device of different signal reception interface cards according to the intercom formula doorbell of different types, and direct with it line.

Another purpose of the present utility model provides a kind of intercommunication formula doorbell automatic switching device, this device can avoid missing important visitor, if the family no one is in or has a thing to go out temporarily, when but worrying to have friend or neighbours visiting, doorbell can be forwarded to mobile phone or company, know the visitor so that know.

A purpose more of the present utility model provides a kind of intercommunication formula doorbell automatic switching device, but people's illusion is arranged in this device fabricator, and then reduces the chance of thief's invasion.

The utility model is achieved in that itself and an intercom directly form electrical property and be connected, and to receive the calling of this intercom, it is characterized in that: this device includes: a CPU, and its control is also handled the action of whole device; One signal reception interface card, it connects the media of this intercom as this CPU; One memory set connects this CPU, and provides its software to use and store digital information; One sets and the dialing key groups, provides the user to set and removes dial data, and this information is sent to this CPU that it connects; One setting state display, it shows the setting data that this CPU receives thereon; One recording and playing circuit connects this CPU and signal reception interface card; One dual-tone dialing circuit, it triggers its automatic dialing by this CPU according to calling out; One sound amplifies and impedance matching circuit, connects this dual-tone dialing circuit and recording and playing circuit, so that the signal amplification of its transmission is exported with bigger current potential again, and can cooperate the line circuit impedance of a telephone wire; And a power supply circuit, provide above-mentioned each element required electric power.

This recording and playing circuit connects the microphone and playback loudspeaker of a recording usefulness.

This CPU more connects a busy tone identification circuit, and its telephone line that detects the dialing receiving terminal of this dual-tone dialing circuit is engaged line or connection.

This signal reception interface card has corresponding design circuit according to the pattern of this speech talkback machine.

This memory set comprises that one can be for read-only memory and number storing memory of this software use.

The utility model is to utilize an automatic switching device to connect a speech talkback machine formula doorbell and a telephone wire, when intercom is started by the visitor, by the effect of automatic switching device it is forwarded to default phone automatically, so that directly converse with the visitor.

Describe the purpose of this utility model, technology contents, characteristics and effect thereof in detail by the specific embodiment conjunction with figs. below.

Fig. 1 is a course of action schematic diagram of the present utility model.

Fig. 2 is a circuit box structural representation of the present utility model.

Fig. 3 is the figure of CPU of the present utility model and peripheral circuit thereof.

Fig. 4 is the circuit circuit diagram () of signal reception interface card of the present utility model.

Fig. 5 is the circuit circuit diagram (two) of signal reception interface card of the present utility model.

Main feature of the present utility model provides a kind of intercom formula doorbell automatic switching device, itself and a gate intercom directly form electrical property and join, receiving the calling of intercom, and will call out and directly be forwarded to default phone, make the visitor can be directly and the user converse.

Referring to course of action schematic diagram of the present utility model shown in Figure 1, as shown in the figure, there is no one at home when being in or having a thing to go out temporarily as the user, worry has friend or neighbours are visiting, can set and start the automatic signaling transfer point of doorbell, in case doorbell is activated and nobody when replying, automatic switching device will be forwarded to mobile phone that the user is scheduled to or the phone in the company by telephone network, and is quite convenient in the use.

Circuit box structural representation and line map referring to the utility model intercommunication formula doorbell automatic switching device of Fig. 2-shown in Figure 5, this automatic switching device 10 comprises a CPU 12, it is control and the action of handling whole device, and CPU 12 connects a signal reception interface card 14, a memory set 16, a setting state display 18, a recording and playing circuit 20, a setting and dialing key groups 22 and a dual-tone dialing and busy tone identification circuit 24 respectively, receives the signal of handling above-mentioned each assembly simultaneously.

CPU 12 utilizes signal reception interface card 14 to be connected to a speech talkback machine 26, and with the media as the transmission of both signals, and signal reception interface card 14 is to cooperate the input signal of intercom 26 patterns and the interface card of matching different types; One memory set 16 connects this CPU 12, memory set 16 comprises a read-only memory (Read Only Memory, ROM) 28, to provide the software in the CPU 12 to use, and number storing memory 30, (Electrical Erasable Programable Read OnlyMemory, EEPROM), it is to store user's doors number and other related data information for CPU 12 to be generally EEPROM (Electrically Erasable Programmable Read Only Memo).

One sets and dialing key groups 22, provide the user to set and remove dial data, and this information is sent to after its CPU that connects 12 handles, be sent in the door storage device 30 and deposit, the data of setting then are sent in the setting state display 18, and setting data is shown thereon; One recording and playing circuit 20 connects CPU 12 and signal reception interface card 14 simultaneously, the automatic-answering back device recording that provides the user to answer former caller and callee is used, recording and playing circuit 20 and connect one the recording usefulness microphone 32 and playback loudspeaker 34, for the usefulness of recording and playing sound.

One dual-tone dialing and busy tone identification circuit 24, set telephone number according to the user, call out and triggering dual-tone dialing and busy tone identification circuit 24 according to speech talkback machine 26 by CPU 12, automatically dial according to the number of setting, and after detecting automatic dialing the away, the telephone line of receiving terminal is engaged line or has connected.One sound that connects telephone wire 38 amplifies and impedance matching circuit 36 then connects this dual-tone dialing and busy tone identification circuit 24 and recording and playing circuit 20, so that the signal amplification that it transmitted is exported with bigger current potential again, and can cooperate the line circuit impedance of telephone wire 38; Other has a power supply circuit (not shown) to provide above-mentioned each element required electric power.

Wherein, the input signal of above-mentioned speech talkback machine 26 is except comprising regular phone pattern gate intercom signal and sound, ring the doorbell signal and voice signal and adopt the gate intercom signal of image and sound combination type also can reach the purpose of the transfer for the independent gate intercom of general family expenses with user's setting.And above-mentioned signal reception interface card 14 is that corresponding circuit design is arranged according to the pattern of the speech talkback machine 26 of various labels.

The utlity model has conforming circuit design, decapacitation is accepted outside the signal enabling of signal reception interface card of various types, still can be forwarded to by the subscriber's line of calling by the voice of interface card former caller, this default transit line can be deposited about 16 groups door number, offer the user as the default mobile phone or the phone in working place of dialing into, use when going out with the person of being used.

As visitor when nobody replys by the intercom doorbell, automatic switching device is forwarded to the phone of preset order in regular turn automatically with it, and in the switching neutral gear, play voice, promptly recording and playing circuit can provide the user to tell the visitor with recording, as: call out and receive, please after a while ... etc. information, if behind the closing of the circuit, after sending several sounds again by cryptographic key after line, can converse with the visitor, then do not cut off phone automatically and transfer next group if input password, and play voice simultaneously; If the phone ringing of the transfer has continued for some time still during the ring unanswered, then automatic switching device automatically the transfer till having the people to answer,, then stop everything automatically to next group phone as the equal ring unanswered of all phones.Wherein, automatic switching device promptly cuts off automatically if the voice mail of mobile phone is gone in the transfer.

The utility model can be forwarded to preset phone number automatically with the doorbell of gate intercom formula really when nobody replys, and can match different signal reception interface cards according to the intercom formula doorbell of different types.Therefore, the utility model can be avoided missing important visitor, but more in the fabricator people's illusion is arranged, and then reduces the chance of thief's invasion.

Claims

1. An intercom-type doorbell automatic switching device, which is directly connected to the two-way radio to receive calls from the intercom. It is characterized in that: the device includes: a central processing unit, which controls and processes the entire The action of the device; a signal receiving interface card, which is used as a medium for the central processing unit to connect to the walkie-talkie; a memory bank, which is connected to the central processing unit, and provides its software to use and store data information; a set and dial button group, Provide users with setting and clearing dial data, and send the information to the central processing unit connected to it; a status setting display, which displays the setting data received by the central processing unit on it; a recording and playback audio circuit, connecting the central processing unit and the signal receiving interface card; a dual audio dialing circuit, which is triggered by the central processing unit to automatically dial according to the call; a sound amplification and impedance matching circuit, connecting the dual audio dialing circuit and audio recording and playback A circuit, in order to amplify the transmitted signal and then output it with a larger potential, and can match the external circuit impedance of a telephone line; and a power supply circuit, to provide the power required by the above-mentioned components.

2. The intercom-type doorbell automatic switching device according to claim 1, characterized in that: the recording and playback circuit is connected with a recording microphone and a playback speaker.

3. The intercom-type doorbell automatic transfer device according to claim 1, characterized in that: the central processing unit is further connected to a busy tone recognition circuit, which detects that the telephone line at the dial receiving end of the dual-tone dial circuit is busy or connected.

4. The intercom doorbell automatic switching device according to claim 1, wherein the signal receiving interface card has a corresponding design circuit according to the type of the voice intercom.

5. The intercom doorbell automatic switching device according to claim 1, wherein the memory bank includes a read-only memory for the software and a door number storage memory.