CN201928361U - Digital television receiving terminal with computer - Google Patents

Digital television receiving terminal with computer Download PDF

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Publication number
CN201928361U
CN201928361U CN2010206661518U CN201020666151U CN201928361U CN 201928361 U CN201928361 U CN 201928361U CN 2010206661518 U CN2010206661518 U CN 2010206661518U CN 201020666151 U CN201020666151 U CN 201020666151U CN 201928361 U CN201928361 U CN 201928361U
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CN
China
Prior art keywords
computer
television
digital
receiving terminal
interface
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Expired - Fee Related
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CN2010206661518U
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Chinese (zh)
Inventor
李振华
严国陶
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Shenzhen Coship Electronics Co Ltd
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Shenzhen Coship Electronics Co Ltd
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Priority to CN2010206661518U priority Critical patent/CN201928361U/en
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Publication of CN201928361U publication Critical patent/CN201928361U/en
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Abstract

The utility model provides a digital television receiving terminal with a computer, which comprises a digital set-top-box panel and a computer board, wherein the digital set-top-box panel comprises a television main chip, a high frequency tuner, a demodulator and a television network interface, wherein the high frequency tuner transmits a received high definition television signal to the demodulator, the demodulator demodulates the television signal into a digital signal and sends the digital signal to the television main chip, the television main chip sends the descrambled digital signal to a computer network interface through the television network interface; a computer board comprises a computer main chip, a display interface, the computer network interface and a cable modulation demodulator, wherein the computer network interface sends the descrambled television signal to the computer main chip, the computer main chip decodes the descrambled television signal and outputs the decoded signal to a display module through the display interface to display, and the computer board is connected with the internet through the cable modulation demodulator which is connected with the computer main chip. The digital television receiving terminal has the functions of both a television and a computer, and the digital set-top-box panel can receive the high definition television signal.

Description

A kind of receiving terminal for digital television of charged brain
Technical field
The utility model relates to the set-top box technique field, particularly a kind of receiving terminal for digital television of charged brain.
Background technology
Set-top box (STB, Set Top Box) is an equipment that connects television set and outside source.Its effect is that compressed digital signal is changed into the signal that TV can show, and shows on television set.Digital signal can be from wire cable, satellite antenna, broadband network and terrestrial broadcasting.The image that the content that set-top box receives can provide except simulated television, the sound, more be to receive data content, comprise electronic program guides, internet webpage, captions etc.
At present, along with development of technology, telecomputer (PCTV) has appearred.PCTV is mainly based on home entertaining appreciation, the function of existing TV and VCD, DVD playing function, and some functions that again home computer arranged and had, for example, recreation, communication, word processing and the function that receives various information from network.
Referring to Fig. 1, this figure is the structural representation of PCTV of the prior art.
Wherein, high-pressure section 101 is used to LCD display 102 that voltage backlight is provided, and can realize the control of brightness degree.
Power panel 103 is used to whole PCTV power supply.
Because the display mode of computer and TV is different, therefore need a shows signal handover module 104 between the two.Shows signal handover module 104 becomes interleaved TV signal with the VGA conversion of signals of lining by line scan of computer output.
Master board 107 mainly is to be used for realizing TV signal reception, interface control, Control-Menu demonstration and functions such as switch machine and power management.
TV drive plate 105 is used for TV signal is converted to the shows signal of LCD display 102.
Therefore, PCTV shown in Figure 1 can realize the function of TV and computer.
But what PCTV used at present is the mainboard of desktop computer, and power consumption and volume are all bigger; If under the little situation of cube, the performance of PCTV is generally all very weak, and can not receive the TV signal of high definition, the function of the TV that weakened.
The utility model content
The technical problems to be solved in the utility model provides a kind of receiving terminal for digital television of charged brain, can realize the function of set-top box and computer simultaneously, and volume is little, low in energy consumption.
The utility model provides a kind of receiving terminal for digital television of charged brain, comprising: top box of digital machine plate and computer plate;
Described top box of digital machine plate comprises TV master chip, tuner, demodulator and television network interface;
Described tuner is transferred to demodulator with the HDTV (High-Definition Television) signal that receives; Described demodulator is demodulated into digital signal with the HDTV (High-Definition Television) signal and sends to the TV master chip; The TV master chip sends the computer network interface of computer plate to by the digital signal of television network interface after with descrambling;
Described computer plate comprises computer master chip, display interface, computer network interface and cable modem;
The HDTV (High-Definition Television) signal of described computer network interface after with the descrambling that receives sends to the computer master chip; The HDTV (High-Definition Television) signal of computer master chip after to descrambling decoded, and decoded signal exported to display module by display interface show;
The cable modem online of described computer plate by being connected with the computer master chip.
Preferably, described top box of digital machine plate also comprises the smart card that is connected with the TV master chip.
Preferably, described top box of digital machine plate also comprises the buffer unit that is connected with the TV master chip.
Preferably, described computer plate master chip comprises CPU, South Bridge chip and north bridge chips;
Described CPU is connected with north bridge chips by Front Side Bus FSB;
Described north bridge chips is connected with South Bridge chip by direct media interface DMI;
Described South Bridge chip connects described cable modem;
Described north bridge chips connects described display interface; Described display interface comprises demonstration drawing permutation interface VGA display interface, aberration display interface and HDMI (High Definition Multimedia Interface) HDMI display interface.
Preferably, described computer plate also comprises the Double Data Rate synchronous DRAM DDR that is connected with north bridge chips.
Preferably, described computer plate also comprises hard disk and the CD drive that is connected with South Bridge chip.
Preferably, described computer plate also comprises wireless network card and the PCI-Express that is connected with South Bridge chip.
Preferably, described computer plate also comprises the embedded controller that is connected with South Bridge chip, and described embedded controller connects power module, receiver of remote-control sytem and touch panel.
Preferably, described computer plate also comprises audio interface, blue tooth interface and the USB interface that is connected with South Bridge chip.
Preferably, this receiving terminal for digital television is set-top box or digital TV integrated machine or network protocol television.
Compared with prior art, the utlity model has following advantage:
The function of the existing TV of receiving terminal for digital television of the charged brain that the utility model provides has the function of computer again, wherein the top box of digital machine plate can receive the TV signal of high definition, and send to the computer plate behind the HDTV (High-Definition Television) signal descrambling that will receive, can directly export demonstration behind the digital signal decoding of computer plate after to descrambling.And the computer plate can be finished the function of computer separately.
Description of drawings
Fig. 1 is the structural representation of PCTV of the prior art;
Fig. 2 is the structure chart of the receiving terminal for digital television embodiment one of the charged brain that provides of the utility model;
Fig. 3 is the structure chart of the top box of digital machine plate embodiment that provides of the utility model;
Fig. 4 is the computer plate embodiment structure chart that the utility model provides;
Fig. 5 is the another example structure figure of receiving terminal for digital television of the charged brain that provides of the utility model.
Embodiment
The receiving terminal for digital television of the charged brain that the utility model provides, integrated top box of digital machine plate and computer plate can receive the TV signal of high definition, realize the function of Digital Television; Can surf the Net again, realize the function of computer.
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 2, this figure is the structure chart of the receiving terminal for digital television embodiment one of the charged brain that provides of the utility model.
The receiving terminal for digital television of the charged brain that present embodiment provides comprises: top box of digital machine plate 100 and computer plate 200;
Described top box of digital machine plate 100 comprises TV master chip 101, tuner 102, demodulator 103 and television network interface 104;
Tuner 102 is transferred to demodulator 103 with the HDTV (High-Definition Television) signal that receives;
Demodulator 103 is demodulated into digital signal with the HDTV (High-Definition Television) signal and sends to TV master chip 101;
101 pairs of described digital signals of TV master chip are carried out descrambling, the digital signal behind the descrambling are sent to the computer network interface 201 of computer plate 200 by the television network interface 104 of ICP/IP protocol;
Television network interface 104 can be connected by RJ45 with computer network interface 201.
The digital signal that obtains after demodulator 103 demodulation is to transmit stream (TS, Transport Stream) form.
The digital television signal standard that described tuner 102 can receive has DVB-C, DVB-T, DVB-S/S2, DMB-TH.
Described computer plate 200 comprises computer network interface 201, computer master chip 202, cable modem 203 and display interface 204;
Be understandable that computer network interface 201 can be embedded on the computer master chip 201, computer network interface 201 can carry the 100M network interface card for plate.
The HDTV (High-Definition Television) signal of described computer network interface 201 after with the descrambling that receives sends to computer master chip 202; HDTV (High-Definition Television) signal behind 202 pairs of descramblings of described computer master chip is decoded, and decoded signal is exported to display module by display interface 204 show;
Wherein, display module can be equipment such as television set, LCD display.
Cable modem (CableModem) 203 online of described computer plate 200 by being connected with computer master chip 202.
The function of the existing TV of receiving terminal for digital television that present embodiment provides has the function of computer again, wherein the top box of digital machine plate can receive the TV signal of high definition, and send to the computer plate behind the HDTV (High-Definition Television) signal descrambling that will receive, can directly export demonstration behind the digital signal decoding of computer plate after to descrambling.And the computer plate can be surfed the Net by cable modem, finishes the function of computer separately.
Referring to Fig. 3, this figure is the structure chart of the top box of digital machine plate embodiment that provides of the utility model.
Described top box of digital machine plate 100 also comprises the smart card 105 that is connected with TV master chip 101.
Smart card 105 is identification cards, each user is furnished with one, only need in the smart card insertion machine top box draw-in groove position, set-top box will be done corresponding record according to programme content and time that the user watches on smart card, can arrive the place of appointment and supplement with money after the remaining sum on the smart card 105 uses up.Smart card 105 has the fail safe of height, can not receive the cable digital TV service to guarantee unwarranted user.The smart card 105 of a special use of the previous set-top box configuration of order.
Described top box of digital machine plate 100 also comprises the Double Data Rate synchronous DRAM (DDR, Double Data Rate) 106 that is connected with the TV master chip.
Described top box of digital machine plate 100 also comprises the buffer unit 107 that is connected with TV master chip 101.
Top box of digital machine plate 100 can preferably use ST7403 high definition set-top box SOC (system on a chip) (SOC, System on Chip).
Referring to Fig. 4, this figure is the computer plate embodiment structure chart that the utility model provides.
Described computer plate master chip comprises CPU202a, north bridge chips 202b and South Bridge chip 202c;
The framework of the computer plate that the utility model provides adopts the architecture system of notebook, and volume is little, low in energy consumption.Though smaller volume, function does not weaken.
Described CPU202a is connected with north bridge chips 202b by Front Side Bus (FSB, Front Side Bus).
CPU202a mainly is responsible for data operation.For example, north bridge chips 202b sends to CPU202a with data by FSB, and CPU202a carries out corresponding computing to data, then operation result is returned to north bridge chips 202b.
Described north bridge chips 202b is connected with South Bridge chip 202c by direct media interface (DMI, Direct Media Interface);
Described north bridge chips 202b connects described display interface 204; Described display interface 204 can comprise demonstration drawing permutation interface (VGA, Video Graphics Array) display interface 204a, aberration display interface 204b and HDMI (High Definition Multimedia Interface) (HDMI, High Definition Multimedia Interface) display interface 204c.
North bridge chips 202b mainly is responsible for address decoding and data allocations, and an embedded video card, and it mainly is responsible for address transition and data allocations between internal memory, CPU202a, South Bridge chip 202c and the video card.
Described South Bridge chip 202c mainly is responsible for interface conversion, for the ancillary equipment of low speed is done metadata cache and address administration.
Described South Bridge chip 202c connects described cable modem 203; Described cable modem 203 can connect coaxial cable and realize the network interconnection.
Described computer plate also comprises the DDR205 that is connected with north bridge chips 202b.
Described computer plate also comprises hard disk 206 and the CD drive 207 that is connected with South Bridge chip 202c.
Wherein, hard disk 206 can be 2.5 inches hard disks; CD drive 207 can be for ultra-thin formula, so more saves volume.
Described computer plate also comprises wireless network card 208 and the PCI-Express 209 that is connected with South Bridge chip 202c.Can directly realize getting online without being tethered to a cable by wireless network card.
PCI-Express 209 is the twisted-pair wire net RJ45 interfaces on the case backboard.
Described computer plate also comprises the embedded controller 210 that is connected with South Bridge chip 202c, and described embedded controller 210 connects power module 211, receiver of remote-control sytem 212 and touch panel 213.
Wherein, described embedded controller 210 is low more than the processing speed of South Bridge chip and north bridge chips, is mainly used in the timing management and the power management of bottom.For example, receiver of remote-control sytem 212 receives the request signal of remote controller, and receiver of remote-control sytem 212 sends to embedded controller 210 with the request of remote controller, sends to South Bridge chip 202c after the request signal of 210 pairs of remote controllers of embedded controller is handled and responds.In like manner, embedded controller 210 also can receive the request signal that touch panel 213 sends.The management of 210 pairs of power supplys of embedded controller mainly is the electric sequence of each parts of control.
Described computer plate also comprises audio interface 214, blue tooth interface 215 and the USB interface 216 that is connected with South Bridge chip 202c.
Audio interface 214 is carried out the broadcast of sound as long as connect audio frequency apparatus.
Blue tooth interface 215 and USB interface 216 are mainly used in other external equipments carries out data interaction.
CPU202a among the above embodiment is family chips such as SU2300, SU9600, SU9400, SU9300, SU4100, SU3500, SU3300, SU2700 and ULV723 preferably.
North bridge chips 202b is the GS45 chip of Intel preferably.
South Bridge chip 202c is the ICH9M chip preferably.
Referring to Fig. 5, this figure is the another example structure figure of receiving terminal for digital television of the charged brain that provides of the utility model.
As can be seen from Figure 5, the function of the CPU among Fig. 4, north bridge chips and South Bridge chip that the master chip of computer plate is integrated.
This computer plate can similar PC, finishes powerful computer function.Can preferably move Windows 7 Embedded versions on this computer plate, have very powerful equipment compatibility, superior demonstration accelerating performance and personalized customization characteristic.
The computer plate is the Montivena consumer level extra low voltage of Intel Company (CULV, Consumer Ultra Low Voltage) platform preferably.
The hardware enclosure of CULV platform is little and overall power is low, performance is remarkable.
The CULV processor is the ultralow voltage processor at the consumer level notebook.The appearance of CULV is main two features: " consumption " and " extra low voltage ".So-called ULV, i.e. ultralow voltage processor.The CULV processor of having released has Duo 2SU9600 (1.6GHz) and Duo 2SU3500 (1.4GHz).The former is a double-core, and the latter is a monokaryon.These processors carry the chipset of 4 series, have just constituted the CULV platform.
The CULV power consumption of processing unit of monokaryon is 5.5W only, and the CULV power consumption of processing unit of double-core is 10W only.The power consumption of set-top box can be reduced largely, be reduced to less than 20W by the 60W-70W of principle.
In sum, the receiving terminal for digital television of the charged brain that the utility model provides comprises the computer plate of the high performance computer framework of low-power consumption and the top box of digital machine of high definition, realized the integration of the power of TV and computer, can either receive the TV signal of high definition, this receiving terminal for digital television is set-top box or digital TV integrated machine or network protocol television.
The receiving terminal for digital television that the above embodiment of the utility model provides can be set-top box or digital TV integrated machine or network protocol television.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.

Claims (10)

1. the receiving terminal for digital television of a charged brain is characterized in that, comprising: top box of digital machine plate and computer plate;
Described top box of digital machine plate comprises TV master chip, tuner, demodulator and television network interface;
Described tuner is transferred to demodulator with the HDTV (High-Definition Television) signal that receives; Described demodulator is demodulated into digital signal with the HDTV (High-Definition Television) signal and sends to the TV master chip; The TV master chip sends the computer network interface of computer plate to by the digital signal of television network interface after with descrambling;
Described computer plate comprises computer master chip, display interface, computer network interface and cable modem;
The HDTV (High-Definition Television) signal of described computer network interface after with the descrambling that receives sends to the computer master chip; The HDTV (High-Definition Television) signal of computer master chip after to descrambling decoded, and decoded signal exported to display module by display interface show;
The cable modem online of described computer plate by being connected with the computer master chip.
2. according to the receiving terminal for digital television of the described charged brain of claim 1, it is characterized in that described top box of digital machine plate also comprises the smart card that is connected with the TV master chip.
3. according to the receiving terminal for digital television of the described charged brain of claim 1, it is characterized in that described top box of digital machine plate also comprises the buffer unit that is connected with the TV master chip.
4. according to the receiving terminal for digital television of the described charged brain of claim 1, it is characterized in that described computer plate master chip comprises CPU, South Bridge chip and north bridge chips;
Described CPU is connected with north bridge chips by Front Side Bus FSB;
Described north bridge chips is connected with South Bridge chip by direct media interface DMI;
Described South Bridge chip connects described cable modem;
Described north bridge chips connects described display interface; Described display interface comprises demonstration drawing permutation interface VGA display interface, aberration display interface and HDMI (High Definition Multimedia Interface) HDMI display interface.
5. according to the receiving terminal for digital television of the described charged brain of claim 4, it is characterized in that described computer plate also comprises the Double Data Rate synchronous DRAM DDR that is connected with north bridge chips.
6. according to the receiving terminal for digital television of the described charged brain of claim 4, it is characterized in that described computer plate also comprises hard disk and the CD drive that is connected with South Bridge chip.
7. according to the receiving terminal for digital television of each described charged brain of claim 1 to 6, it is characterized in that described computer plate also comprises wireless network card and the PCI-Express that is connected with South Bridge chip.
8. according to the receiving terminal for digital television of the described charged brain of claim 1, it is characterized in that described computer plate also comprises the embedded controller that is connected with South Bridge chip, described embedded controller connects power module, receiver of remote-control sytem and touch panel.
9. according to the receiving terminal for digital television of the described charged brain of claim 1, it is characterized in that described computer plate also comprises audio interface, blue tooth interface and the USB interface that is connected with South Bridge chip.
10. the receiving terminal for digital television of charged brain according to claim 1 is characterized in that, this receiving terminal for digital television is set-top box or digital TV integrated machine or network protocol television.
CN2010206661518U 2010-12-17 2010-12-17 Digital television receiving terminal with computer Expired - Fee Related CN201928361U (en)

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CN2010206661518U CN201928361U (en) 2010-12-17 2010-12-17 Digital television receiving terminal with computer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104363492A (en) * 2014-10-30 2015-02-18 成都康特电子高新科技有限责任公司 Digital television terminal based on broadcast television network system
WO2017008595A1 (en) * 2015-07-13 2017-01-19 乐视控股(北京)有限公司 Method and device for broadcasting cable television program

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104363492A (en) * 2014-10-30 2015-02-18 成都康特电子高新科技有限责任公司 Digital television terminal based on broadcast television network system
WO2017008595A1 (en) * 2015-07-13 2017-01-19 乐视控股(北京)有限公司 Method and device for broadcasting cable television program

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110810

Termination date: 20151217

EXPY Termination of patent right or utility model