Utility model content
For solving above-mentioned technical problem, the utility model proposes a kind of Ethernet based on HomePlug AV standard and connect
Port communications module, its be applicable to industrial occasions and meet thunder and lightning under the conditions of use demand.
The Ethernet interface communications module that this utility model provides, leads to including carrier wave based on HomePlug AV standard
Letter processor, ad/da converter, FLASH module, memorizer, ethernet communication module, signal coupler, electricity
Source module and Surge Protector;
Described carrier communication processor respectively with described ad/da converter, FLASH module, memorizer, ether Netcom
Letter module and power module connect;
Described signal coupler one end connects described ad/da converter, and the other end connects described Surge Protector.
As a kind of embodiment, described power module includes alternating current-direct current input interface, power-switching circuit and extremely
Few two direct current output interfaces;
Described alternating current-direct current input interface, power-switching circuit and described direct current output interface are sequentially connected with;
Described alternating current-direct current input interface is 20V to 265V supplied by AC/DC electricity interface.
As a kind of embodiment, in described direct current output interface, at least an interface connects at described carrier communication
Reason device, it exports 1.05V unidirectional current.
As a kind of embodiment, in described direct current output interface, at least an interface connects external equipment, and it is defeated
Go out 3.3V unidirectional current.
As a kind of embodiment, described memorizer is synchronous DRAM.
As a kind of embodiment, described ethernet communication module includes Ethernet interface, the Ethernet being sequentially connected with
Transceiver and network transformer;
Described Ethernet interface connects described carrier communication processor.
As a kind of embodiment, described carrier communication processor uses the chip of following model:
INT6400 and INT1400;
Or, AR6400 and AR1500;
Or, AR7400 and AR1500;
Or, AR7410 and AR1500;
Or, AR7411 and AR1500;
Or, AR7450 and AR1540.
This utility model having the beneficial effects that compared to prior art:
The Ethernet interface communications module that this utility model provides, it is protected by arranging surge in one end of signal coupler
Protect device so that radio frequency sends signal and avoids mould by being connected to signal coupler transmission input after internal surge protection
Group internal components, owing to occurring surge to be damaged, preferably meets the use under the conditions of the thunder and lightning in industrial occasions
Demand.
Detailed description of the invention
Below in conjunction with accompanying drawing, to this utility model, above-mentioned and other technical characteristic and advantage are carried out clearly and completely
Describe, it is clear that described embodiment is only section Example of the present utility model rather than whole embodiment.
Refering to Fig. 1, this utility model embodiment one provides a kind of Ethernet interface communications module, including based on
The carrier communication processor 100 of HomePlug AV standard, ad/da converter 200, FLASH module 300, deposit
Reservoir 400, ethernet communication module 500, signal coupler 600, power module 700 and Surge Protector 800.
Wherein, carrier communication processor 100 respectively with ad/da converter 200, FLASH module 300, memorizer 400,
Ethernet communication module 500 and power module 700 connect, and one end of signal coupler 600 connects AD/DA conversion
Device 200, the other end connects Surge Protector 800.Modulated signal based on OFDM sequentially passes through Surge Protector 800
Protect, after signal coupler 600 couples, be converted into digital signal entrance system by ad/da converter 200.
The Ethernet interface communications module that the present embodiment provides, may be used for terminal, it is also possible to for local side.
If terminal occupation mode, when signal receives, digital signal by ethernet communication module 500 be transferred to
Video server mainboard or sensing data that this module connects gather mainboard, and video server mainboard or sensing data are adopted
Collection mainboard carries out respective handling after receiving data.When signal sends, the video server mainboard that is connected with native system or
Person's sensing data is gathered after the data after mainboard will process are packaged into ethernet standard agreement and is arrived by network interface transfers
Carrier communication processor 100, data are processed by carrier communication processor 100, by ad/da converter 200
Transmission line is coupled data into by signal coupler 600 after conversion.
If local side occupation mode, when signal receives, digital signal by ethernet communication module 500 be transferred to
Trunking that this module connects or be directly sent to service centre by Ethernet and carry out respective handling.Signal sends
Time, server end or the trunking being connected with this module transfer data to carrier wave by the Ethernet protocol of standard
Communication processor 100, data are processed by carrier communication processor 100, are changed by ad/da converter 200
After coupled data into transmission line by signal coupler 600.
Above-mentioned signal is radiofrequency signal, and radio frequency is sent signal and filtered by transmission and connect after Surge Protector 800 protection
Receiving signal coupler 600 and send input, radio frequency receiving signal is changed by being input to AD/DA after bandpass filtering again
Couple a signal to after device 200 in transmission line, it is achieved that the surge protection on modulation circuit, it is to avoid module internal is received
To damaging.
It should be noted that HomePlug AV standard is a kind of speed networking Technology on Power Lines in 200Mbps rank
Standard, is specifically used to meet the needs of family digital multi-media network.FLASH module 300 is used for importing operation program,
Memorizer 400, for storing data, can be synchronous DRAM (SDRAM).
Traditional chip set solutions based on HomePlug AV standard, its power supply power employing adapter power supply mode,
Once systemic-function needs extension, and original power supply power supply mode cannot meet power requirement.Ethernet of the present utility model
Interface communication module uses DC power supply, it is provided that the user being connected with this module extends the unidirectional current needed in mainboard
Source, in order to gather in occasion at conventional video data acquiring and sensing data and realize and the seamless combination of this module, can expand
Malleability is good.In extension uses, by using AC-DC or DC-DC switch technology, 20V can be realized flexibly
Supplied by AC/DC electricity to 265V.
Seeing Fig. 2, this utility model embodiment two provides a kind of Ethernet interface communications module, in embodiment one
On the basis of, its power module 700 includes alternating current-direct current input interface 710, power-switching circuit 720 and three direct currents
Output interface (the direct current output interface 730 shown in figure, direct current output interface 740, direct current output interface 750).
Alternating current-direct current input interface is 20V to 265V supplied by AC/DC electricity interface.Direct current output interface 730 connects AD/DA conversion
Device 200, powers to it.Direct current output interface 740 connects carrier communication processor 100, and it exports 1.05V direct current
Electricity.Connecting external equipment in direct current output interface 750, it exports 3.3V unidirectional current.
Ethernet communication module 500 includes Ethernet interface 510, ethernet transceiver 520 and the net being sequentially connected with
Network transformator 530, Ethernet interface 510 connects carrier communication processor 100, ethernet transceiver 520 by with
Too network interface 510 sets up communication connection with carrier communication processor 100, and the data of acquisition are converted into network transmission electricity
It is attached transmission with outside video server plate and signal acquiring board after putting down and being isolated by network transformer 530.
Further, in Ethernet interface communications module of the present utility model, according to the standard of industrialization occasion to carrier wave
Communication processor 100 carries out type selecting, to meet the use demand of industrialization occasion.
Carrier communication processor 100 in above-described embodiment uses the chip of following model: INT6400 and INT1400;
Or, AR6400 and AR1500;Or, AR7400 and AR1500;Or, AR7410 and AR1500;Or, AR7411
And AR1500;Or, AR7450 and AR1540, meet the use demand of industrial occasions.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
The detailed description of step, it will be appreciated that the foregoing is only specific embodiment of the utility model, is not used to limit
Fixed protection domain of the present utility model.Particularly point out, to those skilled in the art, all of the present utility model
Within spirit and principle, any modification, equivalent substitution and improvement etc. done, should be included in guarantor of the present utility model
Within the scope of protecting.