CN105357596A - Building intercom system network conversion device - Google Patents
Building intercom system network conversion device Download PDFInfo
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- CN105357596A CN105357596A CN201510919839.XA CN201510919839A CN105357596A CN 105357596 A CN105357596 A CN 105357596A CN 201510919839 A CN201510919839 A CN 201510919839A CN 105357596 A CN105357596 A CN 105357596A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
Abstract
The invention provides a building intercom system network conversion device installed in an analog visible intercom system. The analog visible intercom system is provided with a first end machine and a second end machine, the network conversion device is disposed between the first end machine and the second end machine, the network conversion device comprises an input signal obtaining module, an output signal superposition module, a signal processing module and a network communication module; and the input signal obtaining module is connected with the first end machine and the second end machine, the output signal superposition module is connected with the first end machine and the second end machine, the input signal obtaining module, the signal processing module and the network communication module are connected in turn, and the signal processing module and the output signal superposition module are connected. On the condition that the device does not change physical and electrical characteristics of an original signal, control, visualization and intercom operation are performed on the intercom system through a mobile terminal.
Description
Technical field
The present invention relates to building talkback communication technique field, particularly building conversational system network unit-switch.
Background technology
Visible dialogue system is a set of modern Residential Area service measures, to provide between visitor and resident family bidirectional visual call, reaches image, the dual identification of voice thus increase security reliability, saves a large amount of time simultaneously, improve operating efficiency.The more important thing is; once the equipment connections such as the door status switch installed in man of resident family, infrared alarm detector, smoke detector, gas alarm saving from damage after on type indoor set to visible dialogue system; visible dialogue system just upgrades to a safety technological guard network; it can with residential quarters building's management center or the wired or wireless communication of community guard; thus play antitheft, take precautions against natural calamities, the safeguard protection effect such as gas leakage preventing, the security of the lives and property for house owner provides maximum guarantee.It can improve holistic management and the service level of house, creates safe community living environment, therefore progressively becomes the indispensable corollary equipment of comfortable house.
In recent years, the visible dialogue system of IP based network is used to popularize gradually, system generally all adopts digital device based on Ethernet networking (local area network (LAN)), this type systematic can realize the video intercom of the network equipments such as mobile phone and doorway machine, the communication distance of this communication modes is shorter, usually be all that fixed terminal carries out communication, be not easy to carry.In addition, still have traditional simulation visible dialogue system that a large amount of existing building adopt, line transmission be analog signal, equipment mostly also is analog machine, but realizing the common way of IP network video intercom is overall upgrading, and cost is high, construction drops into also larger.
Certainly, also can realize IP network access by installing gateway device additional in administrative center, but usually can only realize the calling to keeper.Realize the network service of each indoor set, still need to transform indoor set or upgrade.At present, in IP visible dialogue system market, usually in outdoor pusher side attachment means, but also need to change indoor set internal structure and existing visible dialogue system structure, which repacking is wasted time and energy, product structure complexity is unfavorable for keeping in repair, to reequip the cost paid larger.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of building conversational system network unit-switch is provided, be installed in simulation visible dialogue system, described simulation visible dialogue system has the first terminal and second terminal of some signal transmission lines, described network unit-switch is located between the first terminal and the second terminal, and described network unit-switch comprises input signal acquisition module, output signal laminating module, signal processing module and network communication module; Described input signal acquisition module, output signal laminating module are connected with the first terminal and the second terminal respectively, are not truncated for described simulation visible dialogue system signal; Described input signal acquisition module, signal processing module and network communication module connect in turn, the signal exported for described first terminal is obtained by described signal acquisition module, and via after the corresponding dissection process of signal processing module, be sent to the mobile terminal be connected with network communication module communication; Described signal processing module is connected with output signal laminating module, be sent to the corresponding dissection process of signal processing module for the data from described mobile terminal via network communication module, the output signal of the output signal after process and described second terminal is sent to the first terminal after outputing signal laminating module overlap-add procedure.
Preferably, described input signal acquisition module comprises the first demultiplexing circuit, described first demultiplexing circuit is connected with described first terminal, for being transfer to described signal processing module after some first signal element by the Signal separator that the first terminal exports during multiplexel circuit signal transmission between the first terminal and the second terminal; Described output signal laminating module comprises secondary signal split circuit, is some secondary signal unit for the Signal separator exported by the second terminal during multiplexel circuit; Described output signal laminating module also comprises signal integration circuit, after being integrated by some described secondary signal unit during multiplexel circuit, be sent to described first terminal by multiplexel circuit.
Preferably, described multiplexel circuit is that incoming video signal uses independently transmission line, input audio signal and the multiplexing same transmission line of input control signal, output audio signal and the multiplexing same transmission line of output control signal.
Preferably, multiplexing same transmission line between described first terminal and the second terminal is divided into independent the input voice band line, the input control circuit that arrange by the first demultiplexing circuit, for described first signal element of transmission, independent the output audio circuit, the output control lines that arrange is divided into, for the described secondary signal unit of transmission by secondary signal split circuit; Described input signal acquisition module also comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal; Described output signal laminating module is also comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
Preferably, the circuit between described first terminal and the second terminal comprises input video circuit, input voice band line, output audio circuit and input control circuit and output control lines; Described input signal acquisition module comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal; Described output signal laminating module is comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
Preferably, described video intercepting circuit, audio frequency intercepting circuit, control intercept circuit and also connect respectively for the isolating amplifier circuit of reduction to effect of signals on former circuit; Described audio frequency overlay circuit, control supercircuit also connect the isolating amplifier circuit for strengthening signal strength signal intensity respectively.
Preferably, described signal processing module comprises video sampling compression unit, audio coding decoding unit and control logic unit, described video sampling compression unit connects described video intercepting circuit, described audio coding decoding unit connects described audio frequency and intercepts circuit and audio frequency overlay circuit, and described control logic unit connection control intercepts circuit and controls supercircuit.
Preferably, described signal processing module is the central processing element being integrated with video compression, audio coding decoding compression, logic judging function; Described signal processing module and network communication module are for independently arranging or being integrated in a central processing unit.
Preferably, described network communication module is WIFI module or bluetooth module.
Preferably, described first terminal is doorway machine or storey distribution device, and described second terminal is indoor set.
Preferably, the vision signal that described first terminal exports is ITU-RBT.656 standard, and input and output audio signal is analogue audio frequency, and input/output control signal is level or serial data.
Preferably, described control supercircuit is also connected with transforming circuit, and described output signal laminating module is any one in combinational logic circuit or modulation circuit.
Building conversational system network unit-switch provided by the present invention, by network unit-switch being installed between the first terminal and the second terminal, described first terminal connects input signal acquisition module, signal processing module and network communication module in turn, the signal achieving the first terminal output, via after the corresponding dissection process of signal processing module, is sent to mobile terminal by network communication module and carries out alternately; Data from mobile terminal are sent to the corresponding dissection process of signal processing module via network communication module, and the output signal of the output signal after process and described second terminal is sent to the first terminal after outputing signal laminating module overlap-add procedure.When whole device achieves physics and the electrical characteristic not changing original signal in the system of some separate lines signal transmissions, by mobile terminal, building conversational system is controlled, visual and intercommunication.
Accompanying drawing explanation
Fig. 1 is the structural representation that building conversational system network unit-switch of the present invention is applied to building conversational system;
Fig. 2 is the building conversational system Signal transmissions figure that building conversational system network unit-switch of the present invention is applied to multiplexel circuit.
Embodiment
For the benefit of to the understanding of structure of the present invention, be described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation that building conversational system network unit-switch of the present invention is applied to building conversational system, and Fig. 2 is the building conversational system Signal transmissions figure that building conversational system network unit-switch of the present invention is applied to multiplexel circuit.Shown in composition graphs 1 and Fig. 2, the invention provides a kind of building conversational system network unit-switch, be installed in simulation visible dialogue system, described simulation visible dialogue system has the first terminal 10 and the second terminal 20 of some independent signal transmission lines, described network unit-switch 50 is located between the first terminal 10 and the second terminal 20, the network communication module 54 that described network unit-switch 50 comprises input signal acquisition module 51, output signal laminating module 52, signal processing module 53 and is connected with mobile terminal 60 communication.
Described input signal acquisition module 51, output signal laminating module 52 are connected with the first terminal 10 and the second terminal 20 respectively, are not truncated for described simulation visible dialogue system signal.
Described input signal acquisition module 51, signal processing module 53 and network communication module 54 connect in turn, the signal exported for described first terminal 10 is obtained by described signal acquisition module 51, and via after the corresponding dissection process of signal processing module 53, be sent to the mobile terminal 60 be connected with network communication module 54 communication.
Described signal processing module 53 is connected with output signal laminating module 52, be sent to the corresponding dissection process of signal processing module 53 for the data from described mobile terminal 60 via network communication module 54, the output signal of the output signal after process and described second terminal 20 is sent to the first terminal 10 after outputing signal laminating module 52 overlap-add procedure.
Specifically, between the first terminal 10 and the second terminal 20 during multiplexel circuit signal transmission, described input signal acquisition module 51 comprises the first demultiplexing circuit 511, described first demultiplexing circuit 511 is connected with described first terminal 10, for being transfer to described signal processing module 53 after some first signal element by the Signal separator that the first terminal 10 exports during multiplexel circuit signal transmission between the first terminal 10 and the second terminal 20.Described output signal laminating module 52 comprises secondary signal split circuit 522, for being some secondary signal unit by the Signal separator that the second terminal 20 exports during multiplexel circuit, described output signal laminating module 52 also comprises signal integration circuit 521, after being integrated by some described secondary signal unit during multiplexel circuit, be sent to described first terminal 10 by multiplexel circuit.
Further, described multiplexel circuit is that incoming video signal uses independently transmission line, input audio signal and the multiplexing same transmission line of input control signal, output audio signal and the multiplexing same transmission line of output control signal.
Further, multiplexing same transmission line between described first terminal 10 and the second terminal 20 is divided into independent the input voice band line, the input control circuit that arrange by the first demultiplexing circuit 511, for described first signal element of transmission, independent the output audio circuit, the output control lines that arrange is divided into, for the described secondary signal unit of transmission by secondary signal split circuit 522.Described input signal acquisition module 51 also comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal.Described output signal laminating module 52 is also comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
When using separate lines signal transmission between the first terminal 10 and the second terminal 20, the circuit between described first terminal 10 and the second terminal 20 comprises the input video circuit, input voice band line, output audio circuit and input control circuit and the output control lines that independently arrange.Described input signal acquisition module 51 comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal.Described output signal laminating module 52 is comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
In addition, described demultiplexing circuit is filter circuit or is demodulator circuit, and described signal integration circuit 521 is modulation circuit.
During practical application, no matter use separate lines signal transmission or multiplexel circuit signal transmission between the first terminal 10 and the second terminal 20, described video intercepting circuit, audio frequency intercept circuit, control intercepts circuit and also connects respectively for the isolating amplifier circuit of reduction to effect of signals on former circuit; Described audio frequency overlay circuit, control supercircuit also connect the isolating amplifier circuit for strengthening signal strength signal intensity respectively.
Described signal processing module 53 comprises video sampling compression unit, audio coding decoding unit and control logic unit, described video sampling compression unit connects described video intercepting circuit, described audio coding decoding unit connects described audio frequency and intercepts circuit and audio frequency overlay circuit, and described control logic unit connection control intercepts circuit and controls supercircuit.In actual applications, described signal processing module 53 is for being integrated with the central processing element of video compression, audio coding decoding compression, logic judging function, and described signal processing module 53 and network communication module 54 are for independently arranging or being integrated in a central processing unit.When independently arranging, the SOC being integrated with the functions such as video compression, audio coding decoding compression, Logic judgment can be adopted as central processing unit, and adopt independent WIFI communication module to realize network service, concrete implementation is relevant with the functional processor selected, but does not change logic composition and the functional sequence of the work of this device.
Described network communication module 54 is WIFI module or bluetooth module.
In the present embodiment, described first terminal 10 is doorway machine or storey distribution device, and described second terminal 20 is indoor set, and the vision signal that described first terminal 10 exports is BT.656 form, input and output audio signal is analogue audio frequency, and input/output control signal is level or serial data.
In addition, described control supercircuit is also connected with transforming circuit, and described output signal laminating module 52 is any one in combinational logic circuit or modulation circuit.
Below the embody rule details that building conversational system network unit-switch provided by the invention is applied to building conversational system is described in detail.
Described network unit-switch 50 is located between the first terminal 10 and the second terminal 20, wherein, first terminal 10 and the original structure of the second terminal 20, the physics of original signal and electrical characteristic do not change, and the input audio signal of the first terminal 10 and the second terminal 20 and output audio signal and input control signal and output control signal are the intercom system of independently circuit.When network unit-switch 50 be installed on simulation visible dialogue system in indoor set and other system equipment between time, the input of indoor set, output signal are carried out intercepting and processing, simultaneously, also mutual with the mobile terminal (network equipment such as mobile phone, computer) of IP network side, the data after process are sent to IP network.When mobile terminal needs return path signal, the IP network side data received is reduced into analog signal and outputs signal with the second terminal 20 and superpose, finally send into intercom system, and keep physics and the electrical characteristic of signal in original intercom system.
In addition, between the first terminal 10 and the second terminal 20 during multiplexel circuit signal transmission, namely input audio signal and the multiplexing same transmission line of input control signal, the Signal separator that first terminal 10 exports, with when exporting the multiplexing same transmission line of control signal, is transfer to described signal processing module 53 after some first signal element by described first demultiplexing circuit 511 by output audio signal.Be some secondary signal unit by secondary signal split circuit 522 by the Signal separator that the second terminal 20 exports, by signal integration circuit 521, after being integrated by some described secondary signal unit, be sent to described first terminal 10 by multiplexel circuit.
Network unit-switch 50 adopts mode in parallel to intercept to the incoming video signal of registering one's residence, input audio signal, input control signal.According to the requirement of indoor set to video signal intensity, isolating amplifier circuit can be set further, to reduce the impact on signal on former circuit.
Network unit-switch 50 accesses intercom system to the output audio signal of registering one's residence, control signal after adopting the mode of superposition to merge again.According to the requirement of intercom system to signal, isolating amplifier circuit can be set further, to reach the requirement of strength of signal on former circuit.
Be provided with network communication module 54 in signal processing module 53, in practical application, this signal processing module possesses WIFI communication function and operation system, supports the network communication protocols such as TCPIP, RTP.Obtain audio, video data and control command by after each input signal compression intercepted, and send to mobile terminal.On the other hand, the audio signal that voice data IP network terminal beamed back and control command obtain after resolving and control signal are respectively with indoor set output audio signal with export control signal and superpose and send intercom system back to.
The output audio signal that network unit-switch 50 produces is the superposition to indoor set output audio signal and IP network sidetone audio data.Network reception, decoding are carried out to the voice data carrying out automatic network, then with being superposed by add circuit of indoor set output audio signal, then imports intercom system into, and do not change physics and the electrical characteristic of signal on circuit.According to the requirement of intercom system to audio signal strength, isolating amplifier circuit can be set further.
The output control signal that network unit-switch 50 produces is superposition indoor set being exported to control signal and IP network side control command data.Carry out network reception, parsing to from network-based control order, then export control signal with indoor set and superpose, then import intercom system into, and the physics of signal and electrical characteristic on immovable circuit.According to the requirement of intercom system to control signal level, transforming circuit can be set further.
Building conversational system network unit-switch provided by the present invention, by network unit-switch being installed between the first terminal and the second terminal, described first terminal connects input signal acquisition module, signal processing module and network communication module in turn, the signal achieving the first terminal output, via after the corresponding dissection process of signal processing module, is sent to mobile terminal by network communication module and carries out alternately; Data from mobile terminal are sent to the corresponding dissection process of signal processing module via network communication module, and the output signal of the output signal after process and described second terminal is sent to the first terminal after outputing signal laminating module overlap-add procedure.When whole device achieves physics and the electrical characteristic not changing original signal in the system of some separate lines signal transmissions, by mobile terminal, building conversational system is controlled, visual and intercommunication.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection range.
Claims (10)
1. a building conversational system network unit-switch, be installed in simulation visible dialogue system, described simulation visible dialogue system has the first terminal and second terminal of some signal transmission lines, it is characterized in that, described network unit-switch is located between the first terminal and the second terminal, and described network unit-switch comprises input signal acquisition module, output signal laminating module, signal processing module and network communication module;
Described input signal acquisition module, output signal laminating module are connected with the first terminal and the second terminal respectively, are not truncated for described simulation visible dialogue system signal;
Described input signal acquisition module, signal processing module and network communication module connect in turn, the signal exported for described first terminal is obtained by described signal acquisition module, and via after the corresponding dissection process of signal processing module, be sent to the mobile terminal be connected with network communication module communication;
Described signal processing module is connected with output signal laminating module, be sent to the corresponding dissection process of signal processing module for the data from described mobile terminal via network communication module, the output signal of the output signal after process and described second terminal is sent to the first terminal after outputing signal laminating module overlap-add procedure.
2. building conversational system network unit-switch according to claim 1, it is characterized in that, described input signal acquisition module comprises the first demultiplexing circuit, described first demultiplexing circuit is connected with described first terminal, for being transfer to described signal processing module after some first signal element by the Signal separator that the first terminal exports during multiplexel circuit signal transmission between the first terminal and the second terminal;
Described output signal laminating module comprises secondary signal split circuit, is some secondary signal unit for the Signal separator exported by the second terminal during multiplexel circuit;
Described output signal laminating module also comprises signal integration circuit, after being integrated by some described secondary signal unit during multiplexel circuit, be sent to described first terminal by multiplexel circuit.
3. building conversational system network unit-switch according to claim 2, it is characterized in that, described multiplexel circuit is that incoming video signal uses independently transmission line, input audio signal and the multiplexing same transmission line of input control signal, output audio signal and the multiplexing same transmission line of output control signal.
4. building conversational system network unit-switch according to claim 3, it is characterized in that, multiplexing same transmission line between described first terminal and the second terminal is divided into independent the input voice band line, the input control circuit that arrange by the first demultiplexing circuit, for described first signal element of transmission, independent the output audio circuit, the output control lines that arrange is divided into, for the described secondary signal unit of transmission by secondary signal split circuit;
Described input signal acquisition module also comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal;
Described output signal laminating module is also comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
5. building conversational system network unit-switch according to claim 1, it is characterized in that, the circuit between described first terminal and the second terminal comprises input video circuit, input voice band line, output audio circuit and input control circuit and output control lines;
Described input signal acquisition module comprises with the video intercepting circuit of input video lines in parallel, the audio frequency in parallel with input voice band line intercepts circuit and the control in parallel with input control circuit intercepts circuit, for obtaining corresponding input signal;
Described output signal laminating module is comprised and output audio circuit, the output control lines corresponding audio frequency overlay circuit that connected by add circuit stacked system and control supercircuit, for the output signal that superposition is corresponding respectively.
6. the building conversational system network unit-switch according to claim 4 or 5, is characterized in that, described video intercepting circuit, audio frequency intercept circuit, control intercepts circuit and also connects respectively for the isolating amplifier circuit of reduction to effect of signals on former circuit; Described audio frequency overlay circuit, control supercircuit also connect the isolating amplifier circuit for strengthening signal strength signal intensity respectively.
7. building conversational system network unit-switch according to claim 6, it is characterized in that, described signal processing module comprises video sampling compression unit, audio coding decoding unit and control logic unit, described video sampling compression unit connects described video intercepting circuit, described audio coding decoding unit connects described audio frequency and intercepts circuit and audio frequency overlay circuit, and described control logic unit connection control intercepts circuit and controls supercircuit.
8. building conversational system network unit-switch according to claim 6, is characterized in that, described signal processing module is the central processing element being integrated with video compression, audio coding decoding compression, logic judging function;
Described signal processing module and network communication module are for independently arranging or being integrated in a central processing unit.
9. building conversational system network unit-switch according to claim 1, is characterized in that, described first terminal is doorway machine or storey distribution device, and described second terminal is indoor set.
10. building conversational system network unit-switch according to claim 1, is characterized in that, described control supercircuit is also connected with transforming circuit, and described output signal laminating module is any one in combinational logic circuit or modulation circuit.
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| CN201510919839.XA CN105357596A (en) | 2015-12-11 | 2015-12-11 | Building intercom system network conversion device |
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| CN201510919839.XA CN105357596A (en) | 2015-12-11 | 2015-12-11 | Building intercom system network conversion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019209143A1 (en) * | 2018-04-28 | 2019-10-31 | Neshumov Armen Grigoryevich | Method and system for providing video intercom transmission of images |
| CN111431562A (en) * | 2020-03-05 | 2020-07-17 | 许昌北邮万联网络技术有限公司 | Fire-fighting information transmission system, method and device |
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