CN202160231U - Improved LCD TV (Liquid Crystal Display Television) drive system in modularized connection - Google Patents
Improved LCD TV (Liquid Crystal Display Television) drive system in modularized connection Download PDFInfo
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- CN202160231U CN202160231U CN2011202376783U CN201120237678U CN202160231U CN 202160231 U CN202160231 U CN 202160231U CN 2011202376783 U CN2011202376783 U CN 2011202376783U CN 201120237678 U CN201120237678 U CN 201120237678U CN 202160231 U CN202160231 U CN 202160231U
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 31
- 238000013461 design Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- 238000003032 molecular docking Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an improved LCD TV drive system in modularized connection. The system includes a backlight module, a power amplifier module, a first circuit board of a power module, an LCD driving and decoding control panel. The first circuit board connects with the LCD driving and decoding control panel through a contact pin head and a socket in docking type. The LCD driving and decoding control panel is used for system data transmission control, drive control of an LCD screen and decoding of audio and video input signals. A modularized integration design is adopted in the utility model to avoid electromagnetic interference. The repeated utilization rate and generatlity of general modules can be improved, the system design difficulty is reduced, and the production efficiency and product quality are improved.
Description
Technical field
The utility model relates to the LCD TV drive system.
Background technology
Existing LCD TV drive system adopts whole interfaces and treatment circuit all to be incorporated on the same individual layer PCB; Development along with TV tech; TV can become a platform, a multimedia terminal, and function is from strength to strength; The decoding chip for driving has all adopted BGA encapsulation and high speed DDR2 or DDR3 basically, and utilization individual layer PCB can not accomplish the wires design of the PCB that drives decoded portion basically.When being arranged on the same circuit board, can produce electromagnetic interference, influence quality of signals such as power amplifier module and audio frequency and video processing module.
Publication number is that the range of application of patent scheme of CN200910052837.X is too narrow, receives the restriction of drive scheme, can only apply to a kind of type product, can not realize modularization standardization and compatibility.
The utility model content
The utility model has been realized each module integrated drive scheme that carries out connecting method of liquid crystal electricity; Adopt the integrated design of modularization, avoid electromagnetic interference, can improve reuse, the compatibility of general module; Reduce the system design difficulty, also can reduce cost, promote production efficiency and product quality.
The LCD TV drive system that the utility model also provides a kind of improved modularization to connect, said LCD TV drive system comprise backlight module integrated, the first circuit board of power amplifier module, power module, and liquid crystal display drives and the decoding control board; The drive controlling that is used for system data transmission control, LCDs is connected said first circuit board with said liquid crystal display driving and decoding control board that the audio frequency and video input signal is decoded through plug-in type circuit board jockey.
Further; Said plug-in type circuit board jockey comprises an insulating support plug and an insulating support socket that is complementary; Wherein said insulating support plug bilateral symmetry is provided with at least one socket conductive pin; One end of every said plug conducting pin is horizontal to be used to connect said insulating support socket, and other end bending is 90 degree, not conducting mutually between every socket conductive pin; The bottom of said insulating support socket has at least one plug socket conductive pin; Not conducting mutually between every plug socket conductive pin; A side of said insulating support socket is provided with at least one row and the corresponding jack that conducts of said socket conductive pin, and the jack of said insulating support socket flexibly connects through plug conducting pin one end of inserting mode and said insulating support plug.
Further, said liquid crystal display driving and decoding control board are provided with HDMI interface, VGA interface, USB interface.Said liquid crystal display drives and the decoding control board adopts bilayer or multi-layer PCB board design circuit, unified Definition the operation system driver of bottom.
Further, said first circuit board is provided with AV interface, YUV interface, SCART interface, S-VIDEO interface, TV RF interface.Said first circuit board adopts individual layer pcb board design circuit, the wiring of unified integrated backlight module, power amplifier module, power module.
Further, the backlight module on the said first circuit board is connected LCDs through power line with data wire, and the power amplifier module output is connected with loud speaker.
The utility model has following advantage:
1, the system of the utility model adopts the mode of module splicing that whole TV system is designed; The low speed input end of analog signal mouth that is difficult for a part to be interfered (YUV etc.), audio frequency power amplifier and backlight drive layout are avoided electromagnetic interference on power panel.
2, said liquid crystal display drive and decoding control board unified Definition the operation system driver of bottom, can mate the power panel of different model.Improved reuse, the compatibility of general module, also can reduce production cost, promote production efficiency and product quality.
3, said power panel is connected with liquid crystal display driving and decoding control board through plug-in type circuit board jockey; The connected mode of this plugs and sockets connects more neat standard than traditional flexible cord; Connecting line is not easy to occur welding not firm and breaks the convenient circuit board of changing fast.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the module diagram of the LCD TV drive system of the improved modularization connection of the utility model.
Fig. 2 is the structural representation of the plug-in type circuit board jockey of the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1; The LCD TV drive system that the utility model embodiment provides a kind of improved modularization to connect; Said LCD TV drive system comprises backlight module integrated, the first circuit board (being power panel) of power amplifier module, power module, and liquid crystal display drives and the decoding control board; Be used for the drive controlling of system data transmission control, LCDs and, connect said first circuit board through plug-in type circuit board jockey to said liquid crystal display driving and decoding control board that the audio frequency and video input signal is decoded.Backlight module on the said first circuit board is connected LCDs through power line with data wire, and the power amplifier module output is connected with loud speaker.
As shown in Figure 2; Said plug-in type circuit board jockey comprises an insulating support plug and an insulating support socket that is complementary; Wherein said insulating support plug bilateral symmetry is provided with at least one socket conductive pin; One end of every said plug conducting pin is horizontal to be used to connect said insulating support socket, and other end bending is 90 degree, not conducting mutually between every socket conductive pin; The bottom of said insulating support socket has at least one plug socket conductive pin; Not conducting mutually between every plug socket conductive pin; A side of said insulating support socket is provided with at least one row and the corresponding jack that conducts of said socket conductive pin, and the jack of said insulating support socket flexibly connects through plug conducting pin one end of inserting mode and said insulating support plug.
As a kind of execution mode, be welded with the insulating support plug in the said plug-in type circuit board jockey on the said first circuit board, inputoutput data line, control line all are connected with the plug conducting pin; Be welded with the insulating support socket in the said plug-in type circuit board jockey on said liquid crystal display driving and the decoding control board, inputoutput data line, control line all are connected with the socket conductive pin.
As another kind of execution mode, be welded with the insulating support socket in the said plug-in type circuit board jockey on the said first circuit board, inputoutput data line, control line all are connected with the socket conductive pin; Be welded with the insulating support plug in the said plug-in type circuit board jockey on said liquid crystal display driving and the decoding control board, inputoutput data line, control line all are connected with the plug conducting pin.
Said liquid crystal display drives and the decoding control board is provided with HDMI interface, VGA interface, USB interface.Said liquid crystal display drives and the decoding control board adopts bilayer or multi-layer PCB board design circuit, unified Definition the operation system driver of bottom, improved compatibility greatly, intelligent degree is higher.
Said first circuit board is provided with AV, YUV, SCART, S-VIDEO, TV RF interface.
Said first circuit board adopts individual layer pcb board design circuit, and wiring cost has been practiced thrift in the wiring of unified integrated backlight module, power amplifier module, power module.
The LCD TV drive system that the improved modularization of the utility model connects; Be divided into power panel and liquid crystal display driving and two parts of decoding control board; The low speed input end of analog signal mouth that is difficult for a part to be interfered (SCART etc.), audio frequency power amplifier and backlight drive layout on power supply circuit board, power supply circuit board and liquid crystal display drive and the decoding control board between adopt the dock socket to connect, the power circuit plate portion adopts single face PCB design; And liquid crystal display drives and the decoding control board adopts two-layer or multi-layer PCB wires design according to demand; Integrate through this design, can effectively reduce the PCB area of decoding control board, power module and the winding displacement of controlling between the decoder module that is connected in the deletion conventional design; Thereby system reduces cost; Enhance productivity, reduced the traditional design difficulty of bulk circuit board wiring and the design difficulty of decoding control module, improve the reusability of power module.
The utility model system can support to receive analog-and digital-television broadcasting signal, supports to receive charge programme signal (CA), also supports coupling to connect general-purpose interface (CI); The coherent signal process software programs that carries through cooperation; Can support to receive and handle EPG, Teletext, Subtitle, MHEG-5, ATS, DVB-T digital television service signal, and the tuning processing of carrying out PAL/SECAM colour decoding and relevant sound accompaniment standard.
Specify the workflow of the utility model system below:
After system connects the external communication electricity; Power module output 5V standy voltage is given to liquid crystal display driving and decoding deck power supply; Said liquid crystal display drives and the decoding control board gets into holding state; After receiving that start-up command is sent in outside (button or remote control), said liquid crystal display drives and decoding control board out-put supply starting-up signal, and power module receives that opening all power channel behind the power supply starting-up signal is given to that said liquid crystal display drives and the decoding control board is supplied power with backlight module, power amplifier module and other peripheral circuits; Said liquid crystal display driving and decoding deck are carried out the start operation then; Open inner corresponding power control switch, the operation whole TV system gets into open state.
Detect present mode whether input signal is arranged; If present mode is the AV pattern; AV port on the power panel has the audio frequency and video input signal, then is transmitted to said liquid crystal display driving and decoding control board through the interface with said liquid crystal display driving and decoding control board, carries out the vision signal decoding; Be sent to display screen and show, audio signal is handled the back through audio and is returned to amplify to power amplifier module through interface and be transferred to loud speaker;
If present mode is the HDMI pattern; The HDMI interface that detects on said liquid crystal display driving and the decoding control board has the audio frequency and video input signal; Then carry out the vision signal decoding; Be sent to display screen and show, audio signal is handled the back through audio and is returned to amplify to power amplifier module through interface and be transferred to loud speaker.
Above disclosedly be merely a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (8)
1. the LCD TV drive system that improved modularization connects is characterized in that, said LCD TV drive system comprises backlight module integrated, the first circuit board of power amplifier module, power module, and liquid crystal display drives and the decoding control board; Be used for the drive controlling of system data transmission control, LCDs and, connect said first circuit board through plug-in type circuit board jockey to said liquid crystal display driving and decoding control board that the audio frequency and video input signal is decoded.
2. the LCD TV drive system that improved according to claim 1 modularization connects; It is characterized in that; Said plug-in type circuit board jockey comprises an insulating support plug and an insulating support socket that is complementary, and wherein said insulating support plug bilateral symmetry is provided with at least one socket conductive pin, and an end of every said plug conducting pin is horizontal to be used to connect said insulating support socket; Other end bending is 90 degree, not conducting mutually between every socket conductive pin;
The bottom of said insulating support socket has at least one plug socket conductive pin; Not conducting mutually between every plug socket conductive pin; A side of said insulating support socket is provided with at least one row and the corresponding jack that conducts of said socket conductive pin, and the jack of said insulating support socket flexibly connects through plug conducting pin one end of inserting mode and said insulating support plug.
3. the LCD TV drive system that connects like the said improved modularization of claim 2; It is characterized in that; Be welded with the insulating support plug in the said plug-in type circuit board jockey on the said first circuit board, all inputoutput data line, control line all are connected with the plug conducting pin; Be welded with the insulating support socket in the said plug-in type circuit board jockey on said liquid crystal display driving and the decoding control board, all inputoutput data lines, control line all are connected with the socket conductive pin;
Be welded with the insulating support socket in the said plug-in type circuit board jockey on the perhaps said first circuit board, all inputoutput data line, control line all are connected with the socket conductive pin; Be welded with the insulating support plug in the said plug-in type circuit board jockey on said liquid crystal display driving and the decoding control board, all inputoutput data lines, control line all are connected with the plug conducting pin.
4. the LCD TV drive system that connects like the said improved modularization of claim 3 is characterized in that, said liquid crystal display drives and the decoding control board is provided with HDMI interface, VGA interface, USB interface.
5. the LCD TV drive system that connects like the said improved modularization of claim 4 is characterized in that, said liquid crystal display drives and the decoding control board adopts bilayer or multi-layer PCB board design circuit.
6. the LCD TV drive system that improved according to claim 1 modularization connects is characterized in that said first circuit board is provided with AV, YUV, SCART, S-VIDEO, TV RF interface.
7. the LCD TV drive system that connects like the said improved modularization of claim 6 is characterized in that, said first circuit board adopts individual layer pcb board design circuit, the wiring of unified integrated backlight module, power amplifier module, power module.
8. the LCD TV drive system that improved according to claim 1 modularization connects is characterized in that, the backlight module on the said first circuit board is connected LCDs through power line with data wire, and the power amplifier module output is connected with loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202376783U CN202160231U (en) | 2011-07-07 | 2011-07-07 | Improved LCD TV (Liquid Crystal Display Television) drive system in modularized connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202376783U CN202160231U (en) | 2011-07-07 | 2011-07-07 | Improved LCD TV (Liquid Crystal Display Television) drive system in modularized connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202160231U true CN202160231U (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202376783U Expired - Lifetime CN202160231U (en) | 2011-07-07 | 2011-07-07 | Improved LCD TV (Liquid Crystal Display Television) drive system in modularized connection |
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| Country | Link |
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| CN (1) | CN202160231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752567A (en) * | 2012-07-25 | 2012-10-24 | 广州视源电子科技股份有限公司 | Television driving device |
| CN104240708A (en) * | 2013-06-20 | 2014-12-24 | 重庆重邮信科通信技术有限公司 | Chip of integrated audio codec and terminal device |
-
2011
- 2011-07-07 CN CN2011202376783U patent/CN202160231U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752567A (en) * | 2012-07-25 | 2012-10-24 | 广州视源电子科技股份有限公司 | Television driving device |
| CN102752567B (en) * | 2012-07-25 | 2015-07-15 | 广州视源电子科技股份有限公司 | Television driving device |
| CN104240708A (en) * | 2013-06-20 | 2014-12-24 | 重庆重邮信科通信技术有限公司 | Chip of integrated audio codec and terminal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU CVT ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Guangdong city of Guangzhou province Guangzhou Science City Kezhu Road No. 192 Patentee after: Guangzhou Shiyuan Electronic Technology Company Limited Address before: 510663 Guangdong city of Guangzhou province Guangzhou Science City Kezhu Road No. 192 Patentee before: Guangzhou Shiyuan Electronic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |