CN201303396Y

CN201303396Y - IP transducer

Info

Publication number: CN201303396Y
Application number: CNU2008202290244U
Authority: CN
Inventors: 汤光耀; 金万春; 钱培钢; 廖文良; 陈志坚
Original assignee: Xiamen Leelen Technology Co Ltd
Current assignee: Xiamen Leelen Technology Co Ltd
Priority date: 2008-11-19
Filing date: 2008-11-19
Publication date: 2009-09-02
Anticipated expiration: 2018-11-19

Abstract

The utility model discloses an IP transducer, which is connected with a target machine and comprises a main processor, a data coder-decoder, a video coder-decoder, an audio coder-decoder and a network transmission controller. The transducer is characterized in that the main processor is connected with the data coder-decoder, the video coder-decoder, the audio coder-decoder and the network transmission controller for controlling operation, the data coder-decoder converts bus data sent by the target machine into network data formats to network-transmit by the network transmission controller, meanwhile the network data formats received by the network transmission controller are converted into the bus data to the target machine, the video coder-decoder and the audio coder-decoder respectively convert video and audio analog signals transmitted by the target machine to conduct A/D conversion and network-transmit by the network transmission controller, and meanwhile the video and audio data received by the network transmission controller are D/A converted to send to the target machine. The structure can reduce the attenuation of analog signals when in long-distance transmission, and enhance the anti-interference performance of signals.

Description

The IP transducer

Technical field

The utility model belongs to the communications field, particularly a kind of IP transducer that is applied in the building conversational system.

Background technology

Along with the raising of people's living standard and the fast development of science and technology, a lot of residential quarters are equipped with building conversational system, for the ease of management, it is in administrative center a supervisor to be set, and a unit main frame is installed in each housing unit, in each tame resident family of each housing unit an indoor unit is installed respectively again, all unit main frames all establish a communications link with supervisor, and indoor unit is connected to the unit main frame, constitute tree-shaped topological communication network thus, realize the information interchange and the information issue of administrative center and each tame resident family.

And along with development of science and technology; building conversational system is also by initial single communication function; develop into nowadays incorporated intelligentized multi-functional; as when carrying out information interchange; often have the information that comprises video image; because present building conversational system is to adopt bus system transmission means; transmission course adopts analog signal to transmit; the characteristic of analog signal has determined to exist in the message transmission defective of easy decay; during particularly the analog image of long distance transmits between supervisor and unit main frame; the HFS of picture signal is very big through transmission decay later on; the image chroma dropout often appears; and cause phenomenons such as scalloping, and interference free performance is poor.

In view of above-mentioned defective, the design people studies improvement at existing building conversational system, and this case produces thus.

The utility model content

Main purpose of the present utility model is to provide a kind of IP transducer, the decay of analog signal when it reduces the length Distance Transmission, the interference free performance of raising signal.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of IP transducer is connected with target machine, comprises primary processor, data codec, Video Codec, audio codec and Network Transmission controller; Primary processor is connected with data codec, Video Codec, audio codec and Network Transmission controller respectively, and controls it and carry out work; The data codec becomes the network data form with the bus system data transaction that target machine transmits, and carries out Network Transmission by the Network Transmission controller, and the network data format conversion that the Network Transmission controller is received is that bus system data are sent to target machine simultaneously; Video Codec and audio codec carry out the A/D conversion with the video and the audio analog signals of target machine transmission respectively, and carrying out Network Transmission by the Network Transmission controller, video that the Network Transmission controller is received and voice data carry out being sent to target machine after the D/A conversion simultaneously.

Above-mentioned data codec, Video Codec and audio codec are 8 passage systems.

Above-mentioned target machine is a supervisor.

Above-mentioned target machine is the unit main frame.

Above-mentioned each IP transducer communicates by switch.

After adopting such scheme, the utility model is by increasing the IP transducer as intermediate equipment, the internet communication of setting up based on half TCP/IP between supervisor and unit main frame is connected, supervisor is sent to corresponding IP transducer with data or audio frequency and video analog signal that the unit main frame at first communicates need, after suitably handling by the correlation module in the IP transducer, carry out Network Transmission by the Network Transmission controller; After the Target IP transducer receives this communication data or audio, video data, after equally suitably handling, be sent to corresponding supervisor or unit main frame, owing to adopt Network Transmission, can strengthen the interference free performance of transmission data,, be converted into digital signal and carry out Network Transmission more particularly for vision signal, can effectively reduce its decay in long Distance Transmission process, improve interference free performance.

Description of drawings

Fig. 1 is the structured flowchart of the utility model preferred embodiment;

Fig. 2 is that the utility model preferred embodiment is applied in the structured flowchart in the building conversational system.

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment the utility model is elaborated.

With reference to shown in Figure 1, be the structured flowchart of a kind of IP of the utility model (Internet Protocol, Internet protocol) transducer, comprise primary processor 1, data codec 2, Video Codec 3, audio codec 4 and Network Transmission controller 5.

Primary processor 1 is connected with data codec 2, Video Codec 3, audio codec 4 and Network Transmission controller 5 respectively, and controls each module according to different situations and carry out work.

Data codec 2 also is connected with the data transmission port of target machine (can be supervisor 11 or unit main frame 21), and the bus system data transaction that target machine is transmitted becomes the network data form, carries out Network Transmission by Network Transmission controller 5; The network data format conversion that also Network Transmission controller 5 is received is that bus system data are sent to target machine simultaneously.

Video Codec 3 is connected with the video transmission port of target machine, and the video analog signal that target machine is transmitted carries out A/D (Analog/Digital, analog/digital) conversion, and carries out Network Transmission by Network Transmission controller 5; The video data that Network Transmission controller 5 is received carries out being sent to target machine after D/A (Digital/Analog, the digital-to-analog) conversion simultaneously.

Audio codec 4 is connected with the audio transmission port of target machine, and the audio analog signals that target machine is transmitted carries out the A/D conversion, and carries out Network Transmission by Network Transmission controller 5; The voice data that Network Transmission controller 5 is received carries out being sent to target machine after the D/A conversion simultaneously.

With reference to shown in Figure 2, be that the utility model is applied in a preferred embodiment in the building conversational system, in order to reduce system cost, be convenient to expansion, the data codec 2 in the present embodiment, Video Codec 3 and audio codec 4 all adopt 8 passage systems.

In this building conversational system, comprise at least two IP transducers, wherein, the data codec 2 of an IP transducer 10, Video Codec 3 and audio codec 4 are corresponding respectively to be connected with the transmit port of supervisor 11, and its Network Transmission controller 5 is set up the TCP/IP internet communication with switch 6; Per 8 unit main frames 21 are corresponding respectively to be connected with another one IP transducer 20, and each IP transducer 20 is also set up the TCP/IP internet communication with switch 6 respectively, thus the message transmission between realization and the IP transducer 10.

During present embodiment work, supervisor 11 sends to IP transducer 10 with the data message of required transmission by data transmission port, because this moment, this data message was a bus system form, therefore after need converting thereof into the network data form by data codec 2, primary processor 1 Control Network transmission control unit (TCU) 5 carries out Network Transmission with this information by switch 6; Target IP transducer 20 receives this data message by switch 6, be converted to bus system form by data codec 2 equally after, be sent to the data transmission port of unit main frame 21.The process that unit main frame 21 sends data to supervisor 11 does not repeat them here with aforementioned step.

When supervisor 11 when unit main frame 21 sends videos or audio-frequency information, at first analog signal is sent to continuous IP transducer 10 by video transmission port or audio transmission port, primary processor 1 order Video Codec 3 is digital signal with audio codec 4 with analog signal conversion, is sent to corresponding IP transducer 20 by Network Transmission controller 5 by switch 6 again; IP transducer 20 is sent to unit main frame 21 with the audio frequency and video analog signal after carrying out the D/A conversion by Video Codec 3 and audio codec 4.

In sum, a kind of IP transducer of the utility model, focus in existing building conversational system, increasing and the IP transducer is set as intermediate equipment, utilize the Internet to grow the data and the audio/video information transmission of distance, foundation is based on the internet communication of half TCP/IP, reduce the decay in the signal transmission, improve the anti-interference of signal; And it can utilize existing building conversational system, reduces the cost of rewiring, and wiring is simple.

Above embodiment only is explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection range.

Claims

1, a kind of IP transducer is characterized in that: be connected with target machine, comprise primary processor, data codec, Video Codec, audio codec and Network Transmission controller; Primary processor is connected with data codec, Video Codec, audio codec and Network Transmission controller respectively, and controls it and carry out work; The data codec becomes the network data form with the bus system data transaction that target machine transmits, and carries out Network Transmission by the Network Transmission controller, and the network data format conversion that the Network Transmission controller is received is that bus system data are sent to target machine simultaneously; Video Codec and audio codec carry out the A/D conversion with the video and the audio analog signals of target machine transmission respectively, and carrying out Network Transmission by the Network Transmission controller, video that the Network Transmission controller is received and voice data carry out being sent to target machine after the D/A conversion simultaneously.

2, IP transducer as claimed in claim 1 is characterized in that: described data codec, Video Codec and audio codec are 8 passage systems.

3, IP transducer as claimed in claim 1 is characterized in that: described target machine is a supervisor.

4, IP transducer as claimed in claim 1 is characterized in that: described target machine is the unit main frame.

5, IP transducer as claimed in claim 1 is characterized in that: described each IP transducer communicates by switch.