CN208820959U - A kind of portable multi-function set-top box and TV - Google Patents
A kind of portable multi-function set-top box and TV Download PDFInfo
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- CN208820959U CN208820959U CN201821753193.8U CN201821753193U CN208820959U CN 208820959 U CN208820959 U CN 208820959U CN 201821753193 U CN201821753193 U CN 201821753193U CN 208820959 U CN208820959 U CN 208820959U
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Abstract
The utility model is suitable for digital technology field, provide a kind of portable multi-function set-top box, including shell, power panel and PCB control panel, power panel and PCB control panel are respectively arranged in shell, the output end of power panel is electrically connected PCB control panel, PCB control panel is equipped with high-frequency model, the output end of the output end connecting channel demodulation module of high-frequency model, the input terminal of the output end connection flow decoder module of channel demodulation module, flow the input terminal of the output end connection decoder module of decoder module, the output end of decoder module connects output module input terminal, the input terminal of the output end connection decoder module of 2.4G remote control reception module, the input terminal of the output end connection indicating module of decoder module.The implementation of the utility model is exactly to omit this remote control reception interface, is realized by the way of 2.4G remote control+infrared, remote controler is infrared for controlling television set, and 2.4G realizes that remote control 2 closes 1 for controlling set-top box, perfection.
Description
Technical field
The utility model belongs to field more particularly to a kind of portable multi-function set-top box and TV.
Background technique
DTV mainly has broadcast type DTV and two kinds of interactive digital TV.Broadcast type DTV is to pass
The cable television network (CATV) of system, it is that main transmission medium transmits TV programme that broadcast type DTV, which is with optical cable, cable,
Information television system is the user based on the transmission of the unidirectional program of TV station using television channel as the DTV of concept
The program of some channel can only be selected to watch in entire watching process, but for the particular content of channel, broadcast time etc.
It can not select.With the rapid development of optical fiber transmission technique, digital communication technology and computer technology etc., CATV is
Develop into Comprehensive Business Broadband Networks network, not only transmits broadcast TV program, but also multimedia data broadcast sum number can be provided
According to business such as communications.Due to using internet ip network protocol, user can be requested with active transmission, complete programme content, program
The selection of time and programme content is reviewed.This interactive digital TV changes previous user can only be passive received
Situation, user can the interested content of active program request oneself, to really meet the personalized need of each consumer entertainment life
It asks.Interactive digital TV uses a kind of asymmetric transmitted in both directions network, establishes between service provider and terminal user
Two channels, one is broadcast channel, i.e. downlink signal；One is interactive channel, i.e. uplink signal.Divided according to frequency two-way
Transmission mode is to be respectively transmitted uplink and downlink signal with different carrier frequencies, is provided according to GY/T106-1999, with 5~
65MHz frequency band transmits uplink signal, and 65~87MHz is transition frequency band, and 110~1000MHz frequency band transmits downlink signal, is used for
Transmit simulated television, DTV and digital service.Television set and set-top box transmit schematic diagram, as shown in Figure 1, transmission interaction letter
The uplink signal of breath is connected to mixer 10 and is connected to cable TV network again by modem 20；Transmit television broadcasting signal
Downlink signal cable TV network is connected to by mixer
The usual set-top box mainboard of traditional set-top box television all-in-one machine is put into television set, and special purpose interface is needed to provide confession
Electricity, remote control interactive signal transmission etc., TV mainboard is all specific customization.
Since conventional set-top box TV integrated machine needs for set-top box to be put into television set, it is also necessary to dedicated hardware connection
Interface, therefore: 1, hardware does not have versatility.2, upgrading iteration is also inconvenient.3, it produces, after sale and maintenance cost is high.
Utility model content
The purpose of this utility model is to provide a kind of portable multi-function set-top box and TVs, it is intended to solve above-mentioned skill
Art problem.
The utility model is realized in this way a kind of portable multi-function set-top box, the portable multi-function set-top box
Including shell, power panel and PCB control panel, the power panel and PCB control panel are respectively arranged in the shell, the power panel
Output end be electrically connected the PCB control panel, the PCB control panel is equipped with output module 2.4G remote control reception module, solution
Code module, channel demodulation module, stream decoder module, indicating module and high-frequency model, the output end of the high-frequency model connect institute
The output end of channel demodulation module is stated, the output end of the channel demodulation module connects the input terminal of the stream decoder module, institute
The output end for stating stream decoder module connects the input terminal of the decoder module, and the output end of the decoder module connects the output
The output end of module input, the 2.4G remote control reception module connects the input terminal of the decoder module, the decoder module
Output end connect the input terminal of the indicating module.
The further technical solution of the utility model is: the power panel and the PCB control panel are using grafting side
Formula is electrically connected.
The further technical solution of the utility model is: the digital TV decoding plate that the decoder module uses.
The further technical solution of the utility model is: the high-frequency model is using high-frequency reception head.
The further technical solution of the utility model is: the channel demodulation module uses DVB channel solution tuned plate.
The further technical solution of the utility model is: the stream decoder module flows decoding deck using TS.
The further technical solution of the utility model is: the output module is using HDMI output interface.
The further technical solution of the utility model is: the 2.4G remote control reception module is using 2.4G communication protocols
View.
The further technical solution of the utility model is: the output module 2.4G remote control reception module, decoder module,
Channel demodulation module, stream decoder module, indicating module and high-frequency model are controlled using inserting mode or welding manner set on the PCB
In making sheet.
The another object of the utility model is to provide a kind of TV, the TV include portable multi-function set-top box,
Remote controler and television body, the portable multi-function set-top box are fixedly installed on the dorsal shield of the television body, institute
It states remote controler and communicates to connect the portable multi-function set-top box and television body respectively.
The beneficial effects of the utility model are: implementation of the invention is exactly to omit this remote control reception interface, use
2.4G remote control+infrared mode realizes that remote controler is infrared for controlling television set, and 2.4G is realized for controlling set-top box, perfection
Remote control 2 closes 1.The set-top box is hidden in television set behind, is controlled with a remote control, realizes all-in-one machine function.It sells in the market
Common TV and the set-top box can quickly arrange in pairs or groups without special purpose interface, realize succinct as set-top box television all-in-one machine
Appearance and user experience.
Detailed description of the invention
Fig. 1 is that television set and set-top box transmission are illustrated.
Fig. 2 is that television set provided by the embodiment of the utility model and set-top box transmission are illustrated.
Specific embodiment
Fig. 2 shows portable multi-function set-top box provided by the utility model, the portable multi-function set-top box packet
Shell, power panel and PCB control panel are included, the power panel and PCB control panel are respectively arranged in the shell, the power panel
Output end is electrically connected the PCB control panel, and the PCB control panel is equipped with output module 2.4G remote control reception module, decoding
Module, channel demodulation module, stream decoder module, indicating module and high-frequency model, described in the output end connection of the high-frequency model
The output end of channel demodulation module, the output end of the channel demodulation module connects the input terminal of the stream decoder module, described
The output end of stream decoder module connects the input terminal of the decoder module, and the output end of the decoder module connects the output mould
The output end of block input terminal, the 2.4G remote control reception module connects the input terminal of the decoder module, the decoder module
Output end connects the input terminal of the indicating module.
The power panel is electrically connected with the PCB control panel using inserting mode.
The digital decoding plate that the decoder module uses.The digital decoding plate is using digital TV decoding plate.
The high-frequency model is using high-frequency reception head.Tuner tuner module (tuner): it is received and is penetrated by antenna
Frequency signal and downlink frequency conversion are intermediate-freuqncy signal, and internal circuit includes low-noise amplifier and low-converter, complete low noise and put
Big and frequency conversion function, such as RDA5815M.
The channel demodulation module uses DVB channel solution tuned plate.QPSK/QAM demodulation is demodulated with channel: intermediate-freuqncy signal passes through
It is sent into QPSK/QAM demodulation module after filtering, amplification, A/D are converted to digital signal and carries out QPSK/QAM demodulation, the channel of DVB
Coding is using RS+ convolutional interleave mode, and modulation then uses 64QAM mode, therefore set-top box has to complete QPSK/QAM solution
It adjusts, the process of RS decoding and deinterleaving (correction process), and exports the serial and concurrent data of mpeg transport stream, such as:
AVL6221。
The stream decoder module flows decoding deck using TS.MPEG2-TS demultiplexing: in order to improve channel utilization, make
Multiple signals do not interfere mutually along same transmission, claim multiplexing.MPEG-TS stream is exactly to use multiplexing technology,
Each road program stream, data flow are combined with each other by MPEG multiplexer, are sent out with the MPEG2 data format that 188 bytes are a frame
It is sent to radio-frequency modulator and electronic program list (EPG) demultiplexing module is provided and receive MPEG2-TS stream, and therefrom extract a section out
Mesh PES data, including video PES, audio PES, data PES, and audio and video data is directly fed to MPEG-2 decoder
It is decoded.MPEG-2 decoding: the data that demultiplexing module is sent out are the video PES data and audio PES data of compression, it is necessary to
PES data are unziped it by MPEG-2 decoder.Two groups of signals are exported, one group is given view for MPEG2 digital video data
Frequency encoder, another group mpeg audio data are decoded given again for pcm digital audio signal audio D/A transformation, such as
AVL1712C。
The output module is using HDMI output interface.HDMI interface: HDMI is (High Definition
Multimedia Interface) abbreviation, mean high-definition multimedia interface, be that a kind of digitized video/audio connects
Vocal imitation skill is suitble to the tailored version digital interface of image transmission, can transmit audio and video signal simultaneously, decoded video and
Modulates audio signals transfer at HDMI protocol format and give display equipment.
The 2.4G remote control reception module is using 2.4G communication protocol.
2.4G wireless module (English: 2.4Ghz RF transceiver, receiver module) work is exempted from the whole world
Apply within the scope of ISM channel 2400M-2483M, realizes booting automatic frequency sweep function, share 50 working channels, can supply simultaneously
50 users work at the same time in same occasion, without using person's manual coordination, configurating channel, automatically to code function.
2.4G remote control system be divided into transmitting and receive two parts, emitting portion by PPM encode, PPM/PCM conversion, spread spectrum and
The units such as power amplifier composition, receiving portion are made of units such as preposition amplification, despreading, PCM/PPM conversions.
Remote control system is divided into transmitting and receives two parts, and emitting portion is by PPM coding, PPM/PCM conversion, spread spectrum and power amplifier
Equal units composition, receiving portion are made of units such as preposition amplification, despreading, PCM/PPM conversions, and the course of work is: emitting
When, remote keying is operated, is encoded by PPM and generates one group of PPM signal, by PPM/PCM converting unit, carries out time sampling amount
After change, pcm encoder is realized, Base Band Unit passes to PCM signal in spectrum-spreading unit according to interface protocol, in spectrum-spreading unit, PCM
After baseband signal carries out Direct Sequence Spread Spectrum, it is modulated onto 2.4 GHz frequencies, after power amplifier unit amplifies, is sent out by antenna
It is shot out, completes transmitting.When receiving, radiofrequency signal is installed in after the antenna on model receives, by preamplifier,
Become low noise amplification signal, is sent to the despread unit of receiver；Herein carry out radiofrequency signal despreading and demodulation, be
PCM baseband signal is then delivered to receiver PCM/PPM unit, carries out PCM signal to the conversion of PPM signal, reverts to PPM mould
Quasi- signal is output to set top box main chip, completes corresponding function.TLSR8516EP8 is received, TLSR8366ET32 is emitted.
The output module 2.4G remote control reception module, decoder module, channel demodulation module, stream decoder module, instruction mould
Block and high-frequency model are set on the PCB control panel using inserting mode or welding manner.
The another object of the utility model is to provide a kind of TV, the TV include portable multi-function set-top box,
Remote controler and television body, the portable multi-function set-top box are fixedly installed on the dorsal shield of the television body, institute
It states remote controler and communicates to connect the portable multi-function set-top box and television body respectively.
The Novel STB TV integrated machine of this patent introduction closes 1 remote controler using 2.4G and infrared 2, and set-top box is placed in
Inside television or television set back control television set with infrared IR directly with 2.4G wireless remote control control set-top box mould group,
Therefore dedicated hardware interface is not needed.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of portable multi-function set-top box, it is characterised in that: the portable multi-function set-top box includes shell, power panel
And PCB control panel, the power panel and PCB control panel are respectively arranged in the shell, the output end of the power panel electrically connects
The PCB control panel is connect, the PCB control panel is equipped with output module 2.4G remote control reception module, decoder module, channel solution
Mode transfer block, stream decoder module, indicating module and high-frequency model, the output end of the high-frequency model connect the channel demodulation module
Output end, the output end of the channel demodulation module connects the input terminal of the stream decoder module, the stream decoder module
Output end connects the input terminal of the decoder module, and the output end of the decoder module connects the output module input terminal, institute
The output end for stating 2.4G remote control reception module connects the input terminal of the decoder module, and the output end of the decoder module connects institute
State the input terminal of indicating module.
2. portable multi-function set-top box according to claim 1, which is characterized in that the power panel and the PCB are controlled
Making sheet is electrically connected using inserting mode.
3. portable multi-function set-top box according to claim 2, which is characterized in that the number that the decoder module uses
Television decoding deck.
4. portable multi-function set-top box according to claim 3, which is characterized in that the high-frequency model is using height
Frequency receives head.
5. portable multi-function set-top box according to claim 4, which is characterized in that the channel demodulation module uses
DVB channel solution tuned plate.
6. portable multi-function set-top box according to claim 5, which is characterized in that the stream decoder module using
TS flows decoding deck.
7. portable multi-function set-top box according to claim 6, which is characterized in that the output module using
HDMI output interface.
8. portable multi-function set-top box according to claim 7, which is characterized in that the 2.4G remote control reception module is adopted
It is 2.4G communication protocol.
9. portable multi-function set-top box according to claim 8, which is characterized in that the output module 2.4G remote control
Receiving module, decoder module, channel demodulation module, stream decoder module, indicating module and high-frequency model use inserting mode or weldering
Mode is connect on the PCB control panel.
10. a kind of TV, which is characterized in that the TV includes the described in any item portable multi-function machines of claim 1-9
Top box, remote controler and television body, the portable multi-function set-top box are fixedly installed in the dorsal shield of the television body
On, the remote controler communicates to connect the portable multi-function set-top box and television body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753193.8U CN208820959U (en) | 2018-10-26 | 2018-10-26 | A kind of portable multi-function set-top box and TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821753193.8U CN208820959U (en) | 2018-10-26 | 2018-10-26 | A kind of portable multi-function set-top box and TV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820959U true CN208820959U (en) | 2019-05-03 |
Family
ID=66280248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821753193.8U Active CN208820959U (en) | 2018-10-26 | 2018-10-26 | A kind of portable multi-function set-top box and TV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208820959U (en) |
-
2018
- 2018-10-26 CN CN201821753193.8U patent/CN208820959U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Liang Inventor after: Pan Fang Inventor after: Wang Qunhua Inventor after: Fan Yubin Inventor before: Zhang Liang Inventor before: Pan Fang Inventor before: Wang Qunhua Inventor before: Fan Yubin |
|
| CB03 | Change of inventor or designer information |