CN207926812U - a kind of digital network set-top box and network transmission system - Google Patents
a kind of digital network set-top box and network transmission system Download PDFInfo
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- CN207926812U CN207926812U CN201820254590.4U CN201820254590U CN207926812U CN 207926812 U CN207926812 U CN 207926812U CN 201820254590 U CN201820254590 U CN 201820254590U CN 207926812 U CN207926812 U CN 207926812U
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Abstract
The utility model discloses a kind of digital network set-top boxes, including network data interface, signal processor, amplifilter, coupling transformer and attaching plug；The network data interface is connect with the signal processor, and the signal processor is connect with the amplifilter, and the amplifilter is connect with the coupling transformer, and the coupling transformer is connect with the attaching plug.The invention also discloses a kind of network transmission systems.The utility model embodiment is not necessarily to the network signal that rewiring can receive well in any region.
Description
Technical field
The utility model is related to field of communication technology more particularly to a kind of digital network set-top boxes and network transmission system.
Background technology
Traditional network machine top box only in the case where accessing network signal could normal play, some house only
There is parlor to have access network signal line, cable is not arranged in bedroom, if user will install network machine top box in bedroom, is just needed
Will in bedroom, lining sets cable again, can bring a great deal of trouble；If selecting the machine in the WIFI signal connection bedroom in parlor
Top box, due to the distance between bedroom and parlor are remote and signal it is through walls can force difference, cause to crouch indoor network machine top box without
Method normally receives network signal, and effect is poor.
Utility model content
The utility model is directed to problems of the prior art, provides a kind of digital network set-top box and network transmission
System, the network signal that can be received well in any region without rewiring.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：
A kind of digital network set-top box of the utility model offer and network transmission system, digital network set-top box, feature
It is, including network data interface, signal processor, amplifilter, coupling transformer and attaching plug；
The network data interface is connect with the signal processor, and the signal processor connects with the amplifilter
It connects, the amplifilter is connect with the coupling transformer, and the coupling transformer is connect with the attaching plug.
Further, the signal processor includes CPU, EPHY chip and OFDM chips；
The network data interface is connect with the EPHY chips, the EPHY chips respectively with the CPU, the OFDM
Chip signal connects, and the OFDM chips are connect with the amplifilter.
Further, the amplifilter includes TX DRIVER chips and RX FILTER chips；The OFDM chips
Including analog-digital converter and digital analog converter；
The TX DRIVER chips are connect with the digital analog converter of the OFDM chips, the RX FILTER chips and institute
State the analog-digital converter connection of OFDM chips；The TX DRIVER chips and the RX FILTER chips also respectively with the coupling
Close transformer connection.
Further, the signal processor further includes Double Data Rate synchronous DRAM DDR3 and flash memory storage
Device EMMC；
The DDR3 is connect with the CPU, the OFDM chips respectively, and the EMMC is connect with the CPU.
Further, the digital network set-top box further includes WIFI module；
The WIFI module is connect with the EPHY chips.
Further, the digital network set-top box further includes smart card, UART interface, key-press module, remote control reception mould
Block and USB interface；
The smart card, the UART interface, the key-press module, the remote control reception module and the USB interface point
It is not connect with the CPU.
Further, the digital network set-top box further includes audio digital to analog converter, analogue audio frequency output interface, number
Audio output interface, video dac, analog video output interface and HDMI output interface；
The audio digital to analog converter, the video dac, the digital audio output interface, the HDMI are defeated
Outgoing interface is connect with the CPU respectively, and the analogue audio frequency output interface is connect with the audio digital to analog converter, the simulation
Video output interface is connect with the video dac.
Further, the digital network set-top box further includes power supply；
The power supply is connect with the attaching plug.
Correspondingly, the utility model also provides a kind of network transmission system, including set-top box host and at least one machine top
Box slave；The set-top box host and the set-top box slave are respectively above-mentioned digital network set-top box；
The set-top box host is connect with each set-top box slave respectively by power grid.
Further, the network transmission system further includes display screen and mobile terminal；
The display screen is connect with the set-top box host, the set-top box slave respectively, the mobile terminal respectively with
The set-top box host, the set-top box slave are wirelessly connected.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
The attaching plug of set-top box is inserted into power outlet, is uploaded the network signal power grid that is added to by coupling transformer
It is defeated, while it is communicated by signal processor and is controlled, so that network signal is passed through electrical grid transmission to other energization areas,
The set-top box of his energization area obtains network signal from power grid by attaching plug and realizes that program plays, to solve
Other regions rearrange the trouble of network signal line, and with the network signal to work well.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the digital network set-top box that the utility model embodiment one provides；
Fig. 2 is the structural schematic diagram for the network transmission system that the utility model embodiment two provides.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Embodiment one
The utility model embodiment provides a kind of digital network set-top box, referring to Fig. 1, including network data interface 1, letter
Number processor, amplifilter 3, coupling transformer 4 and attaching plug 5；
The network data interface 1 is connect with the signal processor, the signal processor and the amplifilter 3
Connection, the amplifilter 3 are connect with the coupling transformer 4, and the coupling transformer 4 is connect with the attaching plug 5.
It should be noted that the digital network set-top box that the present embodiment is provided may operate in Android, Linux etc.
In system.Set-top box can be divided into set-top box host and set-top box slave two types function when using netcast function.
Set-top box host can at most support 7 set-top box slaves, set-top box host individually to connect Ethernet net work simultaneously.
The network data interface of set-top box is generally the ports RJ45.The attaching plug of set-top box host is inserted into any power supply and inserts
Seat makes host power on, the network data interface access network signal (Ethernet Ethernet signals) of set-top box host, at signal
Network signal is divided into two-way by reason device, and signal is in network-in-dialing state by set-top box all the way, and the set-top box after network-in-dialing can
To watch the program on network；Another way signal carries out data processing, scrambling by OFDM chips, after modulation through amplifilter
To coupling transformer, coupling transformer is coupled a signal to by attaching plug on power grid for amplification output, by power grid as communication
Network signal is added on power grid and is transmitted by carrier.
The attaching plug of set-top box slave, which is inserted into any power outlet, makes slave power on.Set-top box slave and set-top box host
It is matched, and after successful matching, host is output to the network signal on power grid and passes through power outlet, the attaching plug of slave
It is transmitted to set-top box slave, the coupling transformer of set-top box slave couples network signal to amplifilter, amplifilter
It is transmitted to signal processor after network signal is filtered amplification.Signal after processing is divided into two-way by signal processor, to one
Road signal carries out audio/video decoding, so that user watches the program on network, another way signal transmission to network data interface, with
It surfs the Internet and uses for other equipment.
Further, the signal processor includes CPU 21, EPHY (Ethem Set Physical
Transceiver, ethernet PHY transceiver) chip 22 and OFDM (Orthogonal Frequency Division
Multiplexing, orthogonal frequency division multiplexi) chip 23；
The network data interface 1 is connect with the EPHY chips 22, the EPHY chips 22 respectively with the CPU 21,
23 signal of the OFDM chips connection, the OFDM chips 23 are connect with the amplifilter 3.
It should be noted that for set-top box host, after network data interface inputs network signal, EPHY chips are to network
Signal exports two paths of signals after being handled, wherein signal transmission to CPU, CPU and EPHY chip interacts all the way, allows at set-top box
Set-top box after network-in-dialing state, network-in-dialing can watch the program on network, and another way signal passes through EPHY chips
It is transmitted to OFDM chips after processing and completes signal modulation and digital-to-analogue conversion, and modulated analog signal transmission will be passed through to amplification
Filter.
For set-top box slave, the signal transmission after amplifilter filter and amplification is to OFDM chips, and OFDM chips are to letter
It being demodulated after number carrying out analog-to-digital conversion, the descrambling processing such as error correction, the signal after demodulation is divided into two-way through EPHY chip processings,
In be transmitted to all the way CPU carry out audio/video decoding, another way be transmitted to network data interface for other equipment surf the Internet use.Its
In, OFDM chips include orthogonal frequency division multiplexing, are modulated, and are demodulated, and are scrambled, descrambling, digital-to-analogue conversion, the technologies such as analog-to-digital conversion, CPU packets
Include audio decoder, video decoding, the technologies such as image processing.
Further, the amplifilter includes that (Transmit driver emit signal drive amplification to TX DRIVER
Device) chip and RX FILTER (Receiver filter receive traffic filter) chip；The OFDM chips include that modulus turns
Parallel operation ADC (Analog to digital converter) and digital analog converter DAC (Digital to analog
converter)；
The TX DRIVER chips are connect with the digital analog converter of the OFDM chips, the RX FILTER chips and institute
State the analog-digital converter connection of OFDM chips；The TX DRIVER chips and the RX FILTER chips also respectively with the coupling
Close transformer connection.
It should be noted that in set-top box host, OFDM chips pass through TX by the analog signal that digital analog converter exports
The amplification of DRIVER chips is exported to coupling transformer.In set-top box slave, coupling transformer is coupled to the letter of RX FILTER chips
Number, the analog-digital converter of OFDM chips is transmitted to after filter and amplification, with output digit signals.
Further, the signal processor further includes that (Double Data Rate, the 3rd generation Double Data Rate synchronize DDR3
Dynamic RAM) a kind of 24 and EMMC (flash memories that Embedded Multi Media Card, MMC associations conclude
Standard specification) 25；
The DDR3 24 is connect with the CPU 21, the OFDM chips 23 respectively, the EMMC25 and CPU 21
Connection.
Further, as shown in Figure 1, the digital network set-top box further includes WIFI module 6；
The WIFI module 6 is connect with the EPHY chips 22.
It should be noted that the present embodiment can also make the set-top box after network-in-dialing as hot spot by WI FI modules,
For mobile terminal, such as mobile phone, Pad networkings.
Further, as shown in Figure 1, the digital network set-top box further includes smart card 7, UART (Universal
Asynchronous Receiver/Transmitter, Universal Serial Bus) interface 8, key-press module 9, remote control reception mould
Block 10 and usb 11；
The smart card 7, the UART interface 8, the key-press module 9, the remote control reception module 10 and the USB connect
Mouth 11 is connect with the CPU 21 respectively.
It should be noted that key-press module and remote control reception module are used for human-computer interaction, this equipment is manipulated.UART interface is used
Come the software and data of updating apparatus, carries out software function debugging.USB interface supports various standard compliant mobile storages to set
It is standby, including USB flash disk, mobile hard disk etc..After CPU detects that movable storage device is inserted into, terminal user, terminal user is notified to enter
Multimedia interface checks All Files in movable storage device, selects multimedia file therein to play out, CPU is according to end
The multimedia file of end subscriber selection carries out audio/video decoding.
Further, as shown in Figure 1, the digital network set-top box further includes audio digital to analog converter 12, analogue audio frequency
Output interface 13, digital audio output interface 14, video dac 15, analog video output interface 16 and HDMI (High
Definition Multimedia Interface, high-definition multimedia interface) output interface 17；
It is the audio digital to analog converter 12, the video dac 15, the digital audio output interface 14, described
HDMI output interface 17 is connect with the CPU 21 respectively, the analogue audio frequency output interface 13 and the audio digital to analog converter
12 connections, the analog video output interface 16 are connect with the video dac 15.
It should be noted that CPU is defeated by HDMI output interface (or CVBS interfaces) by decoded audio and video
Go out onto video screen.
Further, the digital network set-top box further includes power supply 18；
The power supply 18 is connect with the attaching plug 5.
It should be noted that the direct currents such as 3V3,1V5, VDD_CODE can also be provided in power supply.
Embodiment two
The utility model embodiment also provides a kind of network transmission system, as shown in Fig. 2, including set-top box host 41 and extremely
A few set-top box slave 42；The set-top box host 41 and the set-top box slave 42 are respectively above-mentioned digital network machine top
Box；
The set-top box host 41 is connect with each set-top box slave 42 respectively by power grid.
It should be noted that set-top box host is generally located on the room for being connected to network signal, set-top box slave can be arranged
In the room of any energization.Set-top box host 41 accesses electricity by its corresponding power outlet 43 respectively with set-top box slave 42
Net, set-top box host 41 accesses network signal, and network signal is added to power grid, and set-top box slave 42 obtains net from power grid
Network signal realizes the network signal that can be received well in any region without rewiring.
Further, as shown in Fig. 2, the network transmission system further includes display screen 44 and mobile terminal 45；
The display screen 44 is connect with the set-top box host 41, the set-top box host 42 respectively, the mobile terminal
45 are wirelessly connected with the set-top box host 41, the set-top box slave 42 respectively.
It should be noted that set-top box host, set-top box host are equipped with HDMI output interface or CVBS interfaces, with display
Screen connection, to watch set-top box host, the decoded audio and video of set-top box host by display screen.Wherein, display screen include TV,
Computer etc..It is additionally provided with WIFI module in set-top box host, set-top box host, makes set-top box host, set-top box host as hot spot,
It networks and uses for mobile terminal.Wherein, mobile terminal includes mobile phone, PAD etc..
In conclusion this practical information increase by one can be by the existing household power system of family come transport of internet signal
Function module (coupling transformer), the Ethernet signals of indoor certain can be passed through electrical grid transmission to any room
(as long as the place for having power outlet), dissatisfied determined rearranges the trouble of network signal line；It only needs that one is arranged at parlor
Set-top box simultaneously accesses internet, and is inserted into power work, and a same set-top box is accessed in other room, it will be able to real
Now Ethernet signal modulations are added to power grid by the set-top box in parlor by the external Ethernet signals of parlor position
Upper transmission, and Ethernet signals are got from power grid by power supply base by the set-top box in other rooms and realize program
It plays.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of digital network set-top box, which is characterized in that including network data interface, signal processor, amplifilter, coupling
Close transformer and attaching plug；
The network data interface is connect with the signal processor, and the signal processor is connect with the amplifilter,
The amplifilter is connect with the coupling transformer, and the coupling transformer is connect with the attaching plug.
2. digital network set-top box according to claim 1, which is characterized in that the signal processor includes CPU, EPHY
Chip and OFDM chips；
The network data interface is connect with the EPHY chips, the EPHY chips respectively with the CPU, the OFDM chips
Signal connects, and the OFDM chips are connect with the amplifilter.
3. digital network set-top box according to claim 2, which is characterized in that the amplifilter includes TX
DRIVER chips and RX FILTER chips；The OFDM chips include analog-digital converter and digital analog converter；
The TX DRIVER chips are connect with the digital analog converter of the OFDM chips, the RX FILTER chips with it is described
The analog-digital converter of OFDM chips connects；The TX DRIVER chips and the RX FILTER chips are also coupled with described respectively
Transformer connects.
4. digital network set-top box according to claim 2, which is characterized in that the signal processor further includes double-speed
Rate synchronous DRAM and flash memories；
The Double Data Rate synchronous DRAM is connect with the CPU, the OFDM chips respectively, the flash memory storage
Device is connect with the CPU.
5. digital network set-top box according to claim 2, which is characterized in that the digital network set-top box further includes
WIFI module；
The WIFI module is connect with the EPHY chips.
6. digital network set-top box according to claim 2, which is characterized in that the digital network set-top box further includes intelligence
It can card, UART interface, key-press module, remote control reception module and USB interface；
The smart card, the UART interface, the key-press module, the remote control reception module and the USB interface respectively with
The CPU connections.
7. digital network set-top box according to claim 2, which is characterized in that the digital network set-top box further includes sound
Frequency mode converter, analogue audio frequency output interface, digital audio output interface, video dac, analog video output connect
Mouth and HDMI output interface；
The audio digital to analog converter, the video dac, the digital audio output interface, HDMI outputs connect
Mouth is connect with the CPU respectively, and the analogue audio frequency output interface is connect with the audio digital to analog converter, the analog video
Output interface is connect with the video dac.
8. digital network set-top box according to claim 1, which is characterized in that the digital network set-top box further includes supplying
Power supply；
The power supply is connect with the attaching plug.
9. a kind of network transmission system, which is characterized in that including set-top box host and at least one set-top box slave；The machine top
Box host and the set-top box slave are respectively such as claim 1 to 8 any one of them digital network set-top box；
The set-top box host is connect with each set-top box slave respectively by power grid.
10. network transmission system according to claim 9, which is characterized in that the network transmission system further includes display
Screen and mobile terminal；
The display screen is connect with the set-top box host, the set-top box slave respectively, the mobile terminal respectively with it is described
Set-top box host, the set-top box slave are wirelessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254590.4U CN207926812U (en) | 2018-02-12 | 2018-02-12 | a kind of digital network set-top box and network transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254590.4U CN207926812U (en) | 2018-02-12 | 2018-02-12 | a kind of digital network set-top box and network transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926812U true CN207926812U (en) | 2018-09-28 |
Family
ID=63600292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254590.4U Active CN207926812U (en) | 2018-02-12 | 2018-02-12 | a kind of digital network set-top box and network transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926812U (en) |
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2018
- 2018-02-12 CN CN201820254590.4U patent/CN207926812U/en active Active
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