CN1402532A - Main board of TV set with bus structure and extension slot - Google Patents
Main board of TV set with bus structure and extension slot Download PDFInfo
- Publication number
- CN1402532A CN1402532A CN01130692A CN01130692A CN1402532A CN 1402532 A CN1402532 A CN 1402532A CN 01130692 A CN01130692 A CN 01130692A CN 01130692 A CN01130692 A CN 01130692A CN 1402532 A CN1402532 A CN 1402532A
- Authority
- CN
- China
- Prior art keywords
- card
- skd
- main board
- expansion slot
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The main board of TV comprises the TV display control circuit which consists of the basic control main board and the functional control main board. The functional cotnrol main board includes the function card and the part of the functional process calls, which are tested by the function control card. The function cards through the expansion slots on the control main board and the bus are connected to the basic control main board. The basic fixed power module, the display drive module, the line and field scan module and the signal process module are put in the foundation plate. The interface card contains processing devices with various functions, through the expansion slots connected to the foundation plate electrically. Thus, it is suitable to the products of personalized TV set and suitable to the developing need of the network technique and the stream media.
Description
Technical field
The present invention relates to a kind of control main board of television set, especially a kind ofly will change, have the TV SKD of bus structures and expansion slot to make things convenient for the signal processing control device repair and upgrade.
Background technology
Development along with electronic technology, network technology and computing technique, though no matter existing television technologies is the display technology or the treatment technology of picture intelligence, comprises the attachment device of television set, for example has the set-top box of online ability etc., in recent years, very big development has been arranged all.But with regard to the production structure of the structure of television set itself and television set, still keeping original fixed mode.Existing television set normally is made up of the CRT monitor and the signal control circuit plate that are provided with at the housing internal fixation.In a single day a television set is produced, and the mutual structure of its composition device connects and is electrically connected just fixingly, and has the function that common generation, interdependence just have.If television set needs debugging, maintenance, can only be to open bonnet, carry out specialty and repair, if certain part needs to change, just must cause the change of other parts.If certainly group will increase new function, just especially or change whole television set, or increase optional equipment.For example, in the time of need utilizing TV set internet to browse, must increase the device of similar set-top box, and may not change, therefore, television set we can say that the design flexibility of television set is relatively poor, do not have compatibility yet, the design of upgradability, so it does not at first meet the needs of modern society's personalization, do not meet the requirement that the individual selects the configuration of television set as required voluntarily, also have television set can not on body, directly increase new function, along with various device the spreading gradually of (DIY) mode of doing yourself, the original structure of television set can not adapt to the variation of needs of society, also have because the restriction of original structure, for many years, caused the existing television set industry production model or the industrial structure bigger improvement and adjustment can not be arranged always, compare with computer, its industry production model is comparatively backward, can't realize the specific and specialized of the division of labor in society, more can not realize conglomerate, multi-field, many technology integrated, bigger development space and competitive space also can't be provided, also seriously hinder the development of television technologies.For example, the television set that the production high definition shows must be the chip fixing circuit board of fixing of lining by line scan that has, and fixing special production line originally is not that the TV of high definition can't oneself directly be updated to the TV of high definition; If original television set does not have the ability of receiving satellite signal, can't directly be updated to can receiving satellite signal TV; If original television set does not have the ability of reading scan frequency inverted, just can only receive, send single fixed frequency, can not directly be updated to the TV that can receive various frequencies; If, when needing to note preferably TV programme in people's amusement, the use video tape recorder that has now, the computer that can receive the TV signal of handling the tuner transmission of having to adopt that has is finished; When perhaps people need see program in the CD, just must buy equipment such as DVD, VCD, connect the television set of family again, could play.And along with the laying in broadband, broadband network provides a platform well for the transmission of multimedia messages, bigger space, left wing utilizes that television set is that people transmit, record, show that the demand of various information is inevitable and progressively promote, and existing television set also can't meet the requirement of this development trend on the total.
Summary of the invention
The object of the present invention is to provide a kind of TV SKD with bus structures and expansion slot, it overcomes all deficiencies in the above-mentioned technology.
Purpose of the present invention is to provide a kind of TV SKD with bus structures and expansion slot by a purpose, and its control circuit is as the circuit structure of computer, is made up of the pluggable various function control cards that are connected on control main board and the bus.
A further object of the present invention is to provide a kind of TV SKD with bus structures and expansion slot, and its various function control cards can arbitrarily be assembled directly from the outside direct convenience ground plug of television set.
Another object of the present invention is to provide a kind of TV SKD with bus structures and expansion slot, its display is also detachable, arbitrarily changes.
An also purpose of the present invention is to provide a kind of TV SKD with bus structures and expansion slot, and its each parts are separable from connecting, thereby can convenient for maintaining, detection.
The object of the present invention is achieved like this:
A kind of TV SKD with bus structures and expansion slot, it comprises the television set display control circuit, described control circuit is made up of basic controlling mainboard and function control main board, the function control main board comprises the function control card and has the function treatment that the function control card detects calls part, the function control card is connected with the basic controlling mainboard through bus by the expansion slot on the control main board.
Described basic controlling mainboard has central processor MCU and power module, driver module, the row-field scanning module, signal processing module and memory, wherein MCU mouth line connects the control end of each module, manage the work of each module, and MCU mouth line connects the control end connection function control main board of each module, management function control card and function treatment are called part work, the input of signal processing module connection function control main board, the output of signal processing module connects driver module, the row-field scanning module, driver module interconnects, and driver module output connects display.
Described signal processing module has progressive scan processor or multiwindow OSD.
Described function treatment is called part and is comprised multiple signaling conversion circuit and multiple power circuit, and the mouth line of MCU connects the control end of multiple signaling conversion circuit and multiple power circuit.
Described function control card comprises tuner tv receiver card or Web TV card or Audio Processing card or camera receiving card or PC interface card, also has HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or DVD/VCD to play card, and PDA card or storage card.
These function control cards all are plugged on the input of multiple signaling conversion circuit, multiple signaling conversion circuit comprises having mpeg decoder signal processing module and function card commutation circuit, the mouth line connection function control card inserted detection circuit of MCU and the control end of multiple signaling conversion circuit.
In addition, for making tuner tv receiver card or camera receiving card or PC interface card or Audio Processing card or the shared mpeg decoder of Web TV card, and forming the signal processing module input, described HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or Web TV card or DVD/VCD play the input that card is plugged on the switch card circuit; The output of described switch card circuit connects signal processing module, and DVD/VCD plays the input of card or storage card or PDA clamping signal processing module; Mouth line connection function control card inserted detection circuit and the switch card circuit control end of MCU.
The driver module of described control main board is connected to the display commutation circuit.
The power device of described control main board and function card are provided with the electromagnetic radiation plate in television set.
Be handled easily, the socket plug that described function control card is offered from the outside of television set.Particularly, the socket offered of the outside of described television set is located at top or left part or the right part or the rear portion of television set.
Basic thought of the present invention is the bus-structured motherboard design with the mainboard of former television set and computer or industrial computer, power module, driver module, row-field scanning module, the signal processing module of basic fixed are made as sole plate, can satisfy the processing unit of the various functions of different demands, be designed to interface card, be electrically connected by expansion slot and base plate, so not only satisfied the requirement of the cooperation of big suitability for industrialized production scale, also be very easy to and make production difference in functionality, personalized television.Foundation thought of the present invention could change the production model of traditional tv, really adapts to the growth requirement of network technology, stream media technology.
Description of drawings
Fig. 1 is a signal flow general structure schematic diagram of the present invention;
Fig. 2 is that a kind of embodiment circuit of the present invention constitutes schematic diagram;
Fig. 3 is that another kind of embodiment circuit of the present invention constitutes schematic diagram;
Fig. 4 constitutes schematic diagram for display driving part of the present invention;
Fig. 5 is a plug-in card testing circuit schematic diagram of the present invention;
Fig. 6 is for being the commutation circuit logical schematic of MCU control card of the present invention;
Fig. 7 is a mainboard structure schematic diagram of the present invention;
Fig. 8 is arranged on structural representation in the television set for the present invention;
Fig. 9 is for having used television set external structure schematic diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiments.
The present invention is a kind of TV SKD with bus structures and expansion slot, and it comprises the television set display control circuit, and control circuit is made up of basic controlling mainboard 1 and function control main board.The function control main board comprises the function control card and has the function treatment that the function control card detects calls part, and the function control card is connected with the basic controlling mainboard through bus by the expansion slot on the control main board.
The basic controlling mainboard has central processor MCU and power module, driver module, row-field scanning module, signal processing module and memory.Signal processing module has progressive scan processor or multiwindow OSD.Wherein MCU is responsible for the control of whole back plate, guarantees the operate as normal of display screen.MCU mouth line connects the control end of each module, manage the work of each module, and MCU mouth line connects the control end connection function control main board of each module, management function control card and function treatment are called part work, the input of signal processing module connection function control main board, the output of signal processing module connects driver module, row-field scanning module, and driver module interconnects, and driver module output connects display.Function treatment is called part and is comprised multiple signaling conversion circuit and multiple power circuit, and the mouth line of MCU connects the control end of multiple signaling conversion circuit and multiple power circuit.
MCU mainly is responsible for the operate as normal of control main board, comprises the numeral or your signal of rice that come from function card are handled control display driver circuit, character demonstration etc.
The function control card comprises tuner tv receiver card or Web TV card or Audio Processing card or camera receiving card or PC interface card, also has HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or DVD/VCD to play card, and PDA card or storage card.These function control cards all are plugged on the input of multiple signaling conversion circuit, multiple signaling conversion circuit comprises having mpeg decoder signal processing module and function card commutation circuit, the mouth line connection function control card inserted detection circuit of MCU and the control end of multiple signaling conversion circuit.According to the requirement of different product kind, need only and on base plate, insert different function cards like this.In addition, any function card needs upgrading, maintenance, as long as pull up this card.Physical circuit constitutes shown in Fig. 2,4, the plug identification of each card of MCU control and management, and according to the signal that comes on the control command switching different cards.MCU utilizes the AD mouth, and when any one function card inserts or extracts, the DC level that is reflected on this mouthful will change, and MCU knows that according to the value of level variation has taken place which locational function card.
Particularly, the AC mouth of MCU, every regular hour (for example 200 milliseconds), the level that detects in turn on these several mouthfuls changes, and utilizes the tables of data of setting in advance to find which locational function card plug has taken place.Can discharge the numbering of all functions card expansion slot according to 3 holding wires, therefore by this detection, the alert signal treatment circuit is made corresponding selection processing at any time.For example, for making television set have the ability that can receive the data on the PDA, then in expansion slot, insert the PDA card, MCU is by testing circuit (shown in Figure 5), and the trigger switch on the testing circuit of correspondence position moves, and MCU obtains identifying information, start corresponding driving, when receiving control command and need obtain the data of PDA, commutation circuit action (referring to Fig. 6), with the PDA data passes on back-end processing; Equally, when television set need increase the high-definition signal reception, can insert HDTV receiving card, MCU detects the insertion of this card, start corresponding driving, if the user send from general tuner receive transfer high-definition TV signal to and receive after, the action of MCU control commutation circuit, high-definition TV signal is transmitted into, and television set shows the information of this signal source.The pinout of each slot is the same, all observes a numeral and the compatible signal standards of simulation, as DVI, and CCIR656 etc.Because can the phase mutual interference between vision signal, be isolated and selected so the signal between each slot need add a commutation circuit.MCU is positioned on the plate of back, and it has only several detections and control line with the relation of the header board at each plate place.The function of each plate is controlled by CPU separately, just is responsible for the signal that output meets interface standard.Whether its signal is sent to the back plate and finally is presented on the screen is to be selected to determine by inserting testing circuit and user by the MCU on the plate of back.
The various function cards of computer that whole process is familiar with as us and the use of expansion slot.
Another embodiment is shown in Fig. 3,4, for making tuner tv receiver card or camera receiving card or PC interface card or Audio Processing card or the shared mpeg decoder of Web TV card, and forming the signal processing module input, HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or Web TV card or DVD/VCD play the input that card is plugged on the switch card circuit; The output of switch card circuit connects signal processing module, and DVD/VCD plays the input of card or storage card or PDA clamping signal processing module; Mouth line connection function control card inserted detection circuit and the switch card circuit control end of MCU.
Because each function card needs different power drives, therefore power supply of the present invention also has different output, the supply of power supply during MCU control is many.When a plate was not chosen, its power supply was also cut off by selecting commutation circuit by MCU, to save power supply.
The driver module of control main board is connected to the display commutation circuit, so that make this device can adapt to different display devices, for example this structure can be used for LCD, PDP, projector, multimedia video display terminals such as CRT, thus further improve versatility of the present invention.
The interface definition of each functional module is the same, mainly comprises following analog or digital signal.These signals have comprised the various signals of above-mentioned functions card.
| Signal name | Signal kinds | Signal name | Signal kinds | Signal name | Signal kinds |
| ?R/Y/Y ?G/U/PB ?B/V/PB ?HS ?VS | Simulation | ?PCLK ?HBLK ?CON1 ?CON2 ?CON3 | Clock | ?+5V ?GND ?+12V ?GND | Power supply |
| ?Y0/R0 ?Y1/R1 ?Y2/R2 ?Y3/R3 ?Y4/R4 ?Y5/R5 ?Y6/R6 ?Y7/R7 ?Y8/R8 ?Y9/R9 | Numeral | ?U0/G0 ?U1/G1 ?U3/G3 ?U4/G4 ?U5/G5 ?U6/G6 ?U7/G7 ?U8/G8 ?U9/G9 | Numeral | ?V0/B0 ?V1/B1 ?V2/B2 ?V3/B3 ?V4/B4 ?V5/B5 ?V6/B6 ?V7/B7 ?V8/B8 ?V9/B9 | Numeral |
The physical structure of mainboard integral body of the present invention is shown in Fig. 7,8,9.Function control card 3 is connected with basic controlling mainboard 1 through bus by the expansion slot 4 on the control main board 1.Whole mainboard can be provided with tv shell 6 inside, is placed on the rear portion of display 5.Also have, be security function card 3 Signal Processing, be provided with electromagnetic radiation shielding plate 2 between the power device of control main board 1 and the function card 3, the high power device electromagnetic interference shield of control main board 1 can be fallen, in order to avoid influence the operate as normal of device on the function card 3.
Have, be handled easily, referring to Fig. 9, function card 3 can be from the outside institute socket of offering 7 plugs of tv shell 6.Particularly, socket 7 is located at top or left part or the right part or the rear portion of tv shell 6, and present embodiment is a sidepiece.The user can insert or extract function card 3 from the outside socket 7 of tv shell 6, the joint of various signals directly inserts in the jack on the function card 3 and gets final product.
Claims (14)
1, a kind of TV SKD with bus structures and expansion slot, it comprises the television set display control circuit, it is characterized in that: described control circuit is made up of basic controlling mainboard and function control main board, the function control main board comprises the function control card and has the function treatment that the function control card detects calls part, the function control card is connected with the basic controlling mainboard through bus by the expansion slot on the control main board.
2, TV SKD with bus structures and expansion slot according to claim 1, it is characterized in that: described basic controlling mainboard has central processor MCU and power module, driver module, the row-field scanning module, signal processing module and memory, wherein MCU mouth line connects the control end of each module, manage the work of each module, and MCU mouth line connects the control end connection function control main board of each module, management function control card and function treatment are called part work, the input of signal processing module connection function control main board, the output of signal processing module connects driver module, the row-field scanning module, driver module interconnects, and driver module output connects display.
3, the TV SKD with bus structures and expansion slot according to claim 1 is characterized in that: described signal processing module has progressive scan processor or multiwindow OSD.
4, according to claim 1 or 3 described TV SKD with bus structures and expansion slot, it is characterized in that: described function treatment is called part and is comprised multiple signaling conversion circuit and multiple power circuit, and the mouth line of MCU connects the control end of multiple signaling conversion circuit and multiple power circuit.
5, the TV SKD with bus structures and expansion slot according to claim 1 is characterized in that: described function control card is tuner tv receiver card or Web TV card or Audio Processing card or camera receiving card or PC interface card.
6, the TV SKD with bus structures and expansion slot according to claim 1 is characterized in that: described function control card is that HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or DVD/VCD play card.
7, the TV SKD with bus structures and expansion slot according to claim 1 is characterized in that: described function control card is PDA card or storage card.
8, according to claim 5,6,7 described TV SKD with bus structures and expansion slot, it is characterized in that: described function control card all is plugged on the input of multiple signaling conversion circuit, multiple signaling conversion circuit comprises having mpeg decoder signal processing module and function card commutation circuit, the mouth line connection function control card inserted detection circuit of MCU and the control end of multiple signaling conversion circuit.
9, according to claim 5,6,7 described TV SKD with bus structures and expansion slot, it is characterized in that: described HDTV (High-Definition Television) receiving card or DVB-B, DVB-S receiving card or Web TV card or DVD/VCD play the input that card is plugged on the switch card circuit; Described tuner tv receiver card or camera receiving card or PC interface card or Audio Processing card or Web TV card and mpeg decoder are formed the signal processing module input, the output of switch card circuit connects signal processing module, and DVD/VCD plays the input of card or storage card or PDA clamping signal processing module; Mouth line connection function control card inserted detection circuit and the switch card circuit control end of MCU.
10, the TV SKD with bus structures and expansion slot according to claim 1, it is characterized in that: the driver module of described control main board is connected to the display commutation circuit.
11, the TV SKD with bus structures and expansion slot according to claim 1, it is characterized in that: the power device of described control main board and function card be the electromagnetic isolation setting in television set.
12, the TV SKD with bus structures and expansion slot according to claim 11 is characterized in that: described electromagnetic isolation is for being provided with the electromagnetic radiation plate.
13, the TV SKD with bus structures and expansion slot according to claim 1 is characterized in that: the socket plug that described function control card is offered from the outside of television set.
14, the TV SKD with bus structures and expansion slot according to claim 13 is characterized in that: the socket that the outside of described television set is offered is located at top or left part or the right part or the rear portion of television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01130692A CN1402532A (en) | 2001-08-20 | 2001-08-20 | Main board of TV set with bus structure and extension slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01130692A CN1402532A (en) | 2001-08-20 | 2001-08-20 | Main board of TV set with bus structure and extension slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1402532A true CN1402532A (en) | 2003-03-12 |
Family
ID=4670069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01130692A Pending CN1402532A (en) | 2001-08-20 | 2001-08-20 | Main board of TV set with bus structure and extension slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1402532A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007045143A1 (en) * | 2005-10-18 | 2007-04-26 | Nanjing Wanlida Technology Co., Ltd. | Plat panel tv set with optional function expansion |
| WO2008017902A2 (en) * | 2005-11-07 | 2008-02-14 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| CN101175188B (en) * | 2006-10-31 | 2012-07-11 | 幸琳 | Method for controlling multiple signal sources and its broadcast system |
| CN103067823A (en) * | 2012-12-21 | 2013-04-24 | 青岛歌尔声学科技有限公司 | Standardized multi-media personal audio frequency apparatus |
| CN105141991A (en) * | 2015-09-30 | 2015-12-09 | 深圳市九洲电器有限公司 | Housing of set-top box and set-top box |
-
2001
- 2001-08-20 CN CN01130692A patent/CN1402532A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007045143A1 (en) * | 2005-10-18 | 2007-04-26 | Nanjing Wanlida Technology Co., Ltd. | Plat panel tv set with optional function expansion |
| WO2008017902A2 (en) * | 2005-11-07 | 2008-02-14 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| WO2008017902A3 (en) * | 2005-11-07 | 2008-07-03 | Huitian Wu | Television both housing, and connecting via a universal interface to, various modular multimedia sources |
| CN101175188B (en) * | 2006-10-31 | 2012-07-11 | 幸琳 | Method for controlling multiple signal sources and its broadcast system |
| CN103067823A (en) * | 2012-12-21 | 2013-04-24 | 青岛歌尔声学科技有限公司 | Standardized multi-media personal audio frequency apparatus |
| CN103067823B (en) * | 2012-12-21 | 2015-10-28 | 青岛歌尔声学科技有限公司 | standardized multimedia personal audio device |
| CN105141991A (en) * | 2015-09-30 | 2015-12-09 | 深圳市九洲电器有限公司 | Housing of set-top box and set-top box |
| CN105141991B (en) * | 2015-09-30 | 2018-06-29 | 深圳市九洲电器有限公司 | A kind of STB casing and set-top box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20020186329A1 (en) | Electronic content modules and display dock | |
| US10269325B2 (en) | Display system for an array of video displays | |
| EP2439924B1 (en) | Extension module and television having the extension module | |
| US10339090B2 (en) | System for implementing MXM on a PCI card | |
| CA2748888C (en) | Tv function expansion component using gold finger connector | |
| CA2764245C (en) | A signal switching box in a tv set and a method for controlling the same | |
| CN101803381A (en) | Display device, data transmitting method in display device, transmission device, and data receiving method in transmission device | |
| WO2010075686A1 (en) | Television capable of implementing function extension | |
| CN1147770C (en) | Function extendable multi-media device and extending method | |
| US20080174595A1 (en) | Controlled impedance display adapter | |
| CN1242612C (en) | TV set capable of direct inserting in and drawing functional card from outside | |
| CN1402532A (en) | Main board of TV set with bus structure and extension slot | |
| CN1957323B (en) | Display apparatus and display system using the same | |
| TWI588738B (en) | Display system for an array of video displays | |
| US8001289B2 (en) | Digital audio/video apparatus and method that can perform additional operations | |
| CN1909635B (en) | Interface method and device for signal source and broadcast equipment | |
| KR20070083341A (en) | Method for controlling electronic apparatus using digital interface | |
| CN202120582U (en) | An image display system comprising a plurality of image output devices | |
| CN101625846B (en) | DDC interface circuit | |
| CN2938642Y (en) | Interface equipment between signal source and broadcast equipment | |
| CN2684490Y (en) | A household central intelligent television main frame and system | |
| CN201928361U (en) | Digital television receiving terminal with computer | |
| CN200983627Y (en) | TV set with multimedia adapter function | |
| CN200990663Y (en) | Network digital media broadcasting master board | |
| CN220526316U (en) | MST display expansion control circuit and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |