CN203225846U - Television set internally provided with Ethernet transmission terminal based on coaxial cable - Google Patents
Television set internally provided with Ethernet transmission terminal based on coaxial cable Download PDFInfo
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- CN203225846U CN203225846U CN 201320100297 CN201320100297U CN203225846U CN 203225846 U CN203225846 U CN 203225846U CN 201320100297 CN201320100297 CN 201320100297 CN 201320100297 U CN201320100297 U CN 201320100297U CN 203225846 U CN203225846 U CN 203225846U
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Abstract
Disclosed is a television set internally provided with an Ethernet transmission terminal based on a coaxial cable. In an EOC terminal, a duplexer receives a mixed signal of a data signal and a television signal and separates the mixed signal into the data signal and the television signal; and a coupling transformer transmits the data signal to a QCA 6411 chip via a filter, and the duplexer outputs the television signal to a corresponding unit inside the television set. The QCA6411 chip demodulates the data signal into an Ethernet signal; an exchanger outputs the Ethernet signal to a corresponding unit inside the television set, and transmits a feedback Ethernet signal from the corresponding unit inside the television set to the QCA6411 chip; the QCA6411 chip demodulates the feedback Ethernet signal into a feedback data signal and transmits the feedback data signal to the coupling transformer; and the coupling transformer transmits the feedback data signal to the duplexer, and the duplexer outputs the feedback data signal. Since the QCA6411 chip takes the place of INT6400 series chip or AR7400 series chip, compared with the traditional EOC terminal, the Ethernet transmission terminal based on a coaxial cable has higher integration level and better stability in real network operation.
Description
Technical field
The utility model relates to a kind of television set, particularly relates to a kind of television set of built-in Ethernet transmission terminal based on coaxial cable.
Background technology
EOC(Ethernet over COAX is based on the transmission of the Ethernet of coaxial cable) technology can be divided into local side apparatus and terminal equipment on concrete hardware form, be called EOC local side and EOC terminal again.
The EOC local side receives from the data of headend room transmission by modes such as optical fiber, the EOC terminal will be demodulated to the parallel data of relative low speed from the modulated radiofrequency signal that local side is sent here, again several parallel data streams are merged into the serial data stream of a high speed, at last data are decrypted into standard ethernet signal that we can use and give the user data terminal and use.In order to reduce the equipment line and to take up room, now there has been the television set that is built-in with the EOC terminal.
Traditional EOC terminal that is built in television set generally is to adopt INT6400 family chip or AR7400 family chip to develop.For realizing the modulation and demodulation between data-signal and the standard ethernet signal, the INT6400 family chip need adopt INT6400 and INT1400 chip, the AR7400 family chip need adopt AR7411 and AR1500 chip, because integrated level is low, the stability during the real network operation is also lower.
The utility model content
Based on this, be necessary to provide the television set of the high built-in EOC terminal of a kind of EOC terminal integrated level.
A kind of television set of built-in Ethernet transmission terminal based on coaxial cable, comprise the Ethernet transmission terminal based on coaxial cable, described Ethernet transmission terminal based on coaxial cable comprises duplexer, coupling transformer, filter, QCA6411 chip and switch, the data-signal end of described duplexer connects the signal transmission ends of described coupling transformer, the signal sending end of described coupling transformer is connected with described QCA6411 chip by described filter, described QCA6411 chip connects the ethernet signal end of described switch, and be connected with the signal receiving end of described coupling transformer, the mixed signal of data-signal and TV signal is drawn together in the mixed signal termination packet receiving of described duplexer, and exports the passback data-signal that described coupling transformer sends; Described duplexer is separated into described data-signal and TV signal with described mixed signal, and the data-signal end of described duplexer is sent to described coupling transformer with described data-signal, and receives described passback data-signal; The TV signal end of described duplexer is exported described TV signal to the inner corresponding unit of television set; The signal transmission ends of described coupling transformer receives described data-signal, and sends described passback data-signal to described duplexer; The signal sending end of described coupling transformer is sent to described QCA6411 chip with described data-signal by described filter; The signal receiving end of described coupling transformer receives the passback data-signal that described QCA6411 chip sends; Described filter is used for the clutter of the described data-signal of filtering; Described QCA6411 chip is ethernet signal with described demodulated data signal, and described ethernet signal is sent to described switch; Reach the passback ethernet signal that described switch is sent and be modulated to described passback data-signal, and described passback data-signal is sent to described coupling transformer; The ethernet signal termination of described switch is received described ethernet signal, and sends described passback ethernet signal to described QCA6411 chip; The switching port of described switch is exported described ethernet signal to the inner corresponding unit of television set, and receives the passback ethernet signal that the inner corresponding unit of television set sends.
Among embodiment, described filter is band pass filter therein.
Among embodiment, described switch is the AR8236 switch therein.
Among embodiment, described Ethernet transmission terminal based on coaxial cable comprises memory module therein, and described memory module is connected with described QCA6411 chip by serial peripheral interface bus.
Among embodiment, described memory module is the flash memory module therein.
Among embodiment, described Ethernet transmission terminal based on coaxial cable is included as the clock module that described QCA6411 chip provides the clock synchronizing function therein, and described clock module is connected with described QCA6411 chip.
Among embodiment, described Ethernet transmission terminal based on coaxial cable comprises power interface therein, and described power interface is connected with described switch with described QCA6411 chip.
Therein among embodiment, describedly comprise the indicating lamp module of display working condition based on the Ethernet transmission terminal of coaxial cable, described indicating lamp module is connected with the input/output terminal of described QCA6411 chip.
Among embodiment, described Ethernet transmission terminal based on coaxial cable comprises reset key therein, and described reset key is connected with described QCA6411 chip.
The television set of above-mentioned built-in EOC terminal, in the EOC terminal, duplexer receives the mixed signal that comprises data-signal and TV signal, and mixed signal is separated into data-signal and TV signal; Coupling transformer is sent to the QCA6411 chip with data-signal through filter, and TV signal exports the inner corresponding unit of television set to by duplexer.The QCA6411 chip is ethernet signal with demodulated data signal; Switch output ethernet signal is to the inner corresponding unit of television set, and the passback ethernet signal that the inner corresponding unit of television set is sent sends to the QCA6411 chip; The QCA6411 chip will return and be sent to coupling transformer after ethernet signal is modulated into the passback data-signal; Coupling transformer will return data-signal and be sent to duplexer, and by duplexer output passback data-signal.Owing to adopt the QCA6411 chip to replace INT6400 family chip or AR7400 family chip, to compare with traditional EOC terminal, integrated level is higher, and the stability during the real network operation is also better.
Description of drawings
Fig. 1 is the structure chart that is built in the EOC terminal of television set among the embodiment;
Fig. 2 is for being built in the structure chart of the EOC terminal of television set among another embodiment.
Embodiment
The EOC local side receives from the data of headend room transmission by modes such as optical fiber, the EOC terminal will be demodulated to the parallel data of relative low speed from the modulated radiofrequency signal that local side is sent here, again several parallel data streams are merged into the serial data stream of a high speed, at last data are decrypted into standard ethernet signal that we can use and give the user data terminal and use.In order to reduce the equipment line and to take up room, now there has been the television set that is built-in with the EOC terminal.
Traditional EOC terminal that is built in television set generally is to adopt INT6400 family chip or AR7400 family chip to develop.For realizing Signal Processing and analog-to-digital conversion, the INT6400 family chip need adopt INT6400 and INT1400 chip, and the AR7400 family chip need adopt AR7411 and AR1500 chip.The utility model has improved EOC terminal integrated level with the higher QCA6411 chip design EOC terminal of integrated level of high pass (Qualcomm) company, and the stability during the real network operation is also better.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
A kind of television set of built-in EOC terminal, television set can be Digital Television television set, intelligent TV set etc.As shown in Figure 1, the EOC terminal that is built in television set comprises duplexer 110, coupling transformer 120, filter 130, QCA6411 chip 140 and switch 150, the data-signal end of duplexer 110 connects the signal transmission ends of coupling transformer 120, the signal sending end of coupling transformer 120 is connected with QCA6411 chip 140 by filter 130, QCA6411 chip 140 connects the ethernet signal end of switch 150, and is connected with the signal receiving end of coupling transformer 120.
The mixed signal end TVK of duplexer 110 receives the mixed signal that comprises data-signal and TV signal, and the passback data-signal of output coupling transformer 120 transmissions; Duplexer 110 is separated into data-signal and TV signal with mixed signal, and the data-signal end of duplexer 110 is sent to coupling transformer 120 with data-signal, and receives the passback data-signal; The TV signal end SMA outgoing television signal of duplexer 110 is to the inner corresponding unit of television set.Wherein mixed signal end TVK and TV signal end SMA are the radio frequency interface of metric system/F female seat type made in Great Britain, and TV signal is high-frequency signal, and its frequency range is 86～862MHz, and data-signal is low frequency signal, and its frequency range is 7.5～30MHz.The mixed signal that the mixed signal end TVK of duplexer 110 receives sends by coaxial cable from the EOC local side, and the passback data-signal of output also is to be sent to the EOC local side by coaxial cable.
The signal transmission ends of coupling transformer 120 receives data-signal, and sends it back the biography data-signal to duplexer 110; The signal sending end of coupling transformer 120 is sent to QCA6411 chip 140 with data-signal by filter 130; The signal receiving end of coupling transformer 120 receives the passback data-signal that QCA6411 chip 140 sends.
The ethernet signal termination of switch 150 is received ethernet signal, and sends it back the biography ethernet signal to QCA6411 chip 140; The switching port of switch 150 can directly be connected by the inner corresponding unit of contact pin mode and television set, be used for the output ethernet signal to the inner corresponding unit of television set, and receive the passback ethernet signal that the inner corresponding unit of television set sends, for television set provides network access facility.Switch 150 can be AR8236 100M switch in the present embodiment.Also can be by switch 150 being arranged different VLAN(Virtual Local Area Network, VLAN), with different data, isolate mutually as speech data and internet data.
The television set of above-mentioned built-in EOC terminal, in the EOC terminal, duplexer 110 receives the mixed signal that comprises data-signal and TV signal, and mixed signal is separated into data-signal and TV signal, coupling transformer 120 is sent to QCA6411 chip 140 with data-signal through filter 130, and TV signal exports the inner corresponding unit of television set to by duplexer 110.QCA6411 chip 140 is ethernet signal with demodulated data signal; Switch 150 is sent to the inner corresponding unit of television set with ethernet signal, and the passback ethernet signal of the inner corresponding unit transmission of television set is sent to QCA6411 chip 140, for television set provides network access facility.QCA6411 chip 140 will return ethernet signal and be modulated into the passback data-signal and be sent to coupling transformer 120, coupling transformer 120 will return data-signal and be sent to duplexer 110, the passback data-signal finally is sent to the EOC local side through coaxial cable by duplexer 110 outputs.Owing to adopt QCA6411 chip 140 to replace AR6400 family chip or AR7400 family chip, to compare with traditional EOC terminal, integrated level is higher, and the stability during the real network operation is also better, and power consumption is lower, energy-saving and environmental protection more.
The above-mentioned EOC terminal that is built in television set can be set to the half-duplex operating state, adopt the QCA6411 chip can guarantee under the every transmission objective of the network situation identical with the INT6400 family chip, reduce the cost of chip buying, research and development design, production and processing, each link of after-sales service.Emphasize not change original topological structure of network, install simply, O﹠M cost is low, and networking flexibility is stable, and antijamming capability is strong, and network and environmental suitability are strong.For television set provides network access facility, make television set can realize VOD(Video On Demand, video request program) program request, IPTV(IPTV), multiple function based on broadband network such as video calling, voice call, web page browsing.
Arrange by the EOC local side, can realize the EOC terminal by SNMP(Simple Network Management Protocol, Simple Network Management Protocol) telemanagement of centralized network management platform.EOC terminal works frequency is at 7.5-30MHZ, and transmission range can reach 700 meters, modulating mode OFDM1024/256/64/16/8-QAM, QPSK, BPSK, ROBO.Support the VLAN configuration of 802.1Q, can divide a plurality of VLAN and support multiple business, but restrictive ports speed and under connect number of users.Safe, to isolate mutually between support module, antijamming capability is strong, stable performance.
The utility model proves feasible fully through experiment, simulation, use, stability is strong, and performance is strong, can reach the parameters value of product requirement.
Among embodiment, as shown in Figure 2, the EOC terminal can comprise the power interface 160 that is connected with switch 150 with QCA6411 chip 140 therein, and power interface 160 is used for inserting external power source provides operating voltage for QCA6411 chip 140 and switch 150.
The EOC terminal also can comprise the indicating lamp module 170 for display working condition, and indicating lamp module 170 is connected with input and output (I/O) end of QCA6411 chip 140.By indicating lamp module 170 monitoring EOC terminal operating status, when breaking down, the EOC terminal is convenient in time find and maintenance.
Continuation is with reference to figure 2, and among embodiment, the EOC terminal can be included as the clock module 180 that QCA6411 chip 140 provides the clock synchronizing function therein, and clock module 180 is connected with QCA6411 chip 140.Also can be to provide a clock signal by external circuit for QCA6411 chip 140 in other embodiments.
The EOC terminal also can comprise memory module 190, is used for the data such as program code of storage control QCA6411 chip 140 work.Memory module 190 can be passed through SPI(serial peripheral interface, Serial Peripheral Interface (SPI)) bus is connected with QCA6411 chip 140, and spi bus has the host-host protocol of standard, and speed is fast, can receive and dispatch simultaneously.Memory module 190 can be the flash memory module in the present embodiment, and the flash memory module not only possesses the performance of electronics erasable programmable (EEPROM), and the obliterated data that also can not cut off the power supply can read data simultaneously fast.
In addition, the EOC terminal also can comprise the reset key 192 that is connected with QCA6411 chip 140, when program sideslip deadlock situation appears in the EOC terminal, can reset by reset key 192.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. the television set of a built-in Ethernet transmission terminal based on coaxial cable, comprise the Ethernet transmission terminal based on coaxial cable, it is characterized in that, described Ethernet transmission terminal based on coaxial cable comprises duplexer, coupling transformer, filter, QCA6411 chip and switch, the data-signal end of described duplexer connects the signal transmission ends of described coupling transformer, the signal sending end of described coupling transformer is connected with described QCA6411 chip by described filter, described QCA6411 chip connects the ethernet signal end of described switch, and be connected with the signal receiving end of described coupling transformer
The mixed signal of data-signal and TV signal is drawn together in the mixed signal termination packet receiving of described duplexer, and exports the passback data-signal that described coupling transformer sends; Described duplexer is separated into described data-signal and TV signal with described mixed signal, and the data-signal end of described duplexer is sent to described coupling transformer with described data-signal, and receives described passback data-signal; The TV signal end of described duplexer is exported described TV signal to the inner corresponding unit of television set;
The signal transmission ends of described coupling transformer receives described data-signal, and sends described passback data-signal to described duplexer; The signal sending end of described coupling transformer is sent to described QCA6411 chip with described data-signal by described filter; The signal receiving end of described coupling transformer receives the passback data-signal that described QCA6411 chip sends;
Described filter is used for the clutter of the described data-signal of filtering;
Described QCA6411 chip is ethernet signal with described demodulated data signal, and described ethernet signal is sent to described switch; Reach the passback ethernet signal that described switch is sent and be modulated to described passback data-signal, and described passback data-signal is sent to described coupling transformer;
The ethernet signal termination of described switch is received described ethernet signal, and sends described passback ethernet signal to described QCA6411 chip; The switching port of described switch is exported described ethernet signal to the inner corresponding unit of television set, and receives the passback ethernet signal that the inner corresponding unit of television set sends.
2. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1 is characterized in that described filter is band pass filter.
3. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1 is characterized in that described switch is the AR8236 switch.
4. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1, it is characterized in that, described Ethernet transmission terminal based on coaxial cable comprises memory module, and described memory module is connected with described QCA6411 chip by serial peripheral interface bus.
5. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 4 is characterized in that described memory module is the flash memory module.
6. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1, it is characterized in that, described Ethernet transmission terminal based on coaxial cable is included as the clock module that described QCA6411 chip provides the clock synchronizing function, and described clock module is connected with described QCA6411 chip.
7. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1, it is characterized in that, described Ethernet transmission terminal based on coaxial cable comprises power interface, and described power interface is connected with described switch with described QCA6411 chip.
8. the television set of built-in Ethernet transmission terminal based on coaxial cable according to claim 1, it is characterized in that, describedly comprise the indicating lamp module of display working condition based on the Ethernet transmission terminal of coaxial cable, described indicating lamp module is connected with the input/output terminal of described QCA6411 chip.
9. according to the television set of any described built-in Ethernet transmission terminal based on coaxial cable of claim 1 to 8, it is characterized in that, described Ethernet transmission terminal based on coaxial cable comprises reset key, and described reset key is connected with described QCA6411 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100297 CN203225846U (en) | 2013-03-05 | 2013-03-05 | Television set internally provided with Ethernet transmission terminal based on coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100297 CN203225846U (en) | 2013-03-05 | 2013-03-05 | Television set internally provided with Ethernet transmission terminal based on coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225846U true CN203225846U (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320100297 Expired - Fee Related CN203225846U (en) | 2013-03-05 | 2013-03-05 | Television set internally provided with Ethernet transmission terminal based on coaxial cable |
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| Country | Link |
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| CN (1) | CN203225846U (en) |
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2013
- 2013-03-05 CN CN 201320100297 patent/CN203225846U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Xiajun Inventor after: Yang Bo Inventor after: Chen Limin Inventor after: Guo Hualei Inventor before: Huang Gaowang Inventor before: Yang Bo Inventor before: Chen Limin Inventor before: Guo Hualei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HUANG GAOWANG YANG BO CHEN LIMIN GUO HUALEI TO: HUANG XIAJUN YANG BO CHEN LIMIN GUO HUALEI |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20170305 |