CN201491141U - Television core of flat panel television - Google Patents
Television core of flat panel television Download PDFInfo
- Publication number
- CN201491141U CN201491141U CN2009200760589U CN200920076058U CN201491141U CN 201491141 U CN201491141 U CN 201491141U CN 2009200760589 U CN2009200760589 U CN 2009200760589U CN 200920076058 U CN200920076058 U CN 200920076058U CN 201491141 U CN201491141 U CN 201491141U
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- pcb board
- terminal
- inverter
- core
- panel television
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Abstract
The utility model provides a television core of a flat panel television, wherein a PCB plate is a single-layer PCB plate, and a main process chip, a tuner, an intermediate frequency unit, a headphone terminal, a VGA terminal, an S terminal, an HDMI terminal, a power supply and an inverter are uniformly distributed on the PCB plate. The television core of the flat panel television integrates the parts which are the power supply, the inverter and a main control chip and the like on one sheet of single-side PCB plate, when a whole circuit board is designed, the redundancy of the power supply and the inverter does not need to contemplate, compared with a flat panel television which comprises three parts, the flat panel television using the above technical solution can greatly reduce the production cost.
Description
Technical field
The utility model relates to technical field of television sets, is specifically related to a kind of improvement of panel TV machine circuit, more particularly, relates to a kind of core of panel television of simplifying the Core of TV set board structure of circuit, being applicable to the small size LCD TV.
Background technology
Existing core of panel television generally is made up of three parts, be power supply, inverter and main circuit board, wherein power supply connection main circuit board and inverter are powered to them, inverter drives backlight (cold-cathode fluorescence lamp), be loaded with main process chip, Audio Processing chip, vision signal conversion chip, tuner and audio interface, video interface on the main circuit board, main circuit board generally adopts double-deck pcb board or multi-layer PCB board to reduce the area of pcb board integral body at present.
Complete-system vendor is when the assembling panel TV, need respectively to power supply producer and inverter producer buying power supply and inverter to cooperate self-designed main circuit board, and power supply factory and inverter factory for the main circuit board that can adapt to various panel TVs to obtain mass selling, must keep some redundancies in design, thereby can keep certain space at the selection materials and the design aspect of above-mentioned device, relative certain the specific main circuit board in these spaces can cause the waste on the performance, be transformed into commercial angle, can promote the purchase cost of power supply and inverter.
More importantly be, the main circuit board that adopts generally is a double-layer circuit board at present, its price is 6 times with homalographic single layer board price, the main circuit board of some panel TV even employing four-layer circuit board, its price is more high, because multilayer circuit board is handled the problem of digital interference easily, single layer board is in the field of business not to be occurred, but fierceness along with manufacturer's competition, reduce the expectation that the complete machine cost is a manufacturer from every side, simultaneously, in order further to reduce the production cost of complete machine, inventor of the present utility model attempts three parts cloth with the panel TV movement on same circuit board, through inventor's creationary design and checking repeatedly, has finally obtained success.
The utility model content
The purpose of this utility model is to provide a kind of core of panel television, and it is provided with parts such as power supply, inverter and master control chip on a slice single face pcb board, greatly reduce production cost.Technical scheme described in the utility model is as described below.
A kind of core of panel television, at least comprise pcb board, main process chip, tuner, intermediate frequency unit, earphone terminal, VGA terminal, S terminal, HDMI terminal, power supply and inverter, wherein, described pcb board is the individual layer pcb board, and described main process chip, tuner, intermediate frequency unit, earphone terminal, VGA terminal, S terminal, HDMI terminal, power supply and inverter all are laid on the described pcb board.
Wherein, described pcb board is provided with several sockets, and described socket can patch some kinds of expansion board according to the actual needs to realize beautiful sound function, BTSC function, connect functions of card reader, to connect one or more functions in the built-in DVD function.
Wherein, described pcb board is provided with a jack base, and this jack base can patch AV terminal or SCART terminal.
Wherein, described inverter occupies a jiao of described pcb board, is divisible design between described inverter and the described pcb board.Specifically, the pcb board of described inverter position is provided with two splicing ears, connect by lead between described two splicing ears, between the above two splicing ears of described pcb board, be provided with and cut groove, if enclosure space is narrow and small when described pcb board can't be set, the pcb board at described inverter place can cut the groove branch from described pcb board upper edge and cut off, described inverter by cable with cut apart after pcb board be connected, described inverter is installed in suitable position in the casing.
Wherein, described power supply is positioned at the top of described pcb board, and the transformer of power unit and metal-oxide-semiconductor is positioned at the top of described pcb board so that transformer is far away as much as possible apart from tuner and intermediate frequency unit; One audio power amplifier module and described inverter are located at the homonymy of pcb board; Terminal setting on the described pcb board is followed successively by a kind of, S terminal, VGA terminal, the HDMI terminal in tuner terminal, earphone terminal, sound input end, SCART socket or the RCA socket from left to right; The dead size of described pcb board is 249*150.
Core of panel television described in the utility model is integrated parts such as power supply, inverter and master control chip on a slice single face pcb board, and when the circuit board of design integral body, needn't consider the redundancy of power supply and inverter, adopt the panel TV set of existing relatively three parts formation of panel TV set of above-mentioned technical scheme significantly to reduce production costs.
Description of drawings
Fig. 1 is the circuit arrangement map of the described a kind of core of panel television of the utility model embodiment.Main symbol implication:
1, pcb board 2, inverter 3, power supply 4, master control chip
5, tuner 6, intermediate frequency unit 7, audio socket 11, cut groove
12, inverter socket 13, inverter socket 14, radiator 15, audio power amplifier module
16, tuner terminal 17, earphone terminal 18, sound input end 19, SCART terminal
20, S terminal 21, VGA terminal 22, HDMI terminal
24,25,26,27,28,29,30, hole 31, right hand edge 32, lower limb
33, extension socket 34, the gang socket of LCD screen line
Embodiment
Now, the utility model is further described according to accompanying drawing.
Embodiment
Figure 1 shows that the circuit arrangement map of a kind of core of panel television described in the utility model, and on pcb board 1, be provided with inverter 2, power supply 3, master control chip 4, tuner 5, intermediate frequency unit 6 and audio socket 7.Wherein said pcb board 1 is the individual layer pcb board, and adopting the individual layer pcb board is topmost characteristics of the present utility model, bilayer and multi-layer PCB board relatively, and the individual layer pcb board has bigger price advantage.Inverter 2 adopts KA7500 semibridge system connection, described inverter 2 occupies the left side of pcb board 1, it is in order in due course inverter 2 occupied pcb boards to be separated from pcb board 1 here that inverter is arranged on, cut groove 11 so on pcb board 1, also be provided with one, this cuts groove 11 inverter 1 and peripheral circuit thereof and assembly is separated fully with other circuit on the pcb board 1, be respectively equipped with inverter socket 12 and inverter socket 13 in the both sides of cutting groove 11, connect by lead between described inverter socket 12 and the inverter socket 13, if inverter 2 need separate from pcb board 1, described inverter socket 12 and inverter socket 13 can couple together with long cable.Described power supply 3 is located at the upside of pcb board 1, metal-oxide-semiconductor in the power supply 3 and transformer the top of all being located at pcb board 1 wherein, its objective is for the transformer that makes power supply 3 far away as much as possible apart from tuner 5 and intermediate frequency unit 6, also be provided with radiator 14 on the pcb board 1, the temperature that radiator 14 can effectively reduce power supply 3 internal power elements makes it steady operation, power supply 3 adopts SG6858 as pulse width modulator, and power supply is designed to safety certification II electric appliances.Master control chip 4 adopts the MST719 chip, is positioned at the right side of pcb board 1, its built-in image sealer, colour decoder, HDMI receiver and lcd screen driver.The left side of tuner 5 is provided with audio power amplifier module 15, and audio power amplifier module 15 should be arranged at the homonymy of pcb board 1 with described inverter 2, and its purpose is to reduce as much as possible the interference of aforementioned two modules for screen.Described intermediate frequency unit 6 is positioned at the right side of tuner 5, and tuner 5 and intermediate frequency unit 6 are located at apart from the transformer of inverter 2 position far away and are disturbed so that reduce.Be provided with audio socket 7 on the right side of described intermediate frequency unit 6, this audio socket 7 is for different audio frequency plates are installed according to client's demand, and described audio frequency plate comprises beautiful soundboard that adopts TDA9874 or the BTSC plate that adopts AN5832.Lower limb 32 at the downside of pcb board 1 is provided with tuner terminal 16 from left to right successively, earphone terminal 17, sound input end 18, SCART terminal 19, S terminal 20, VGA terminal 21, HDMI terminal 22, the position at wherein said SCART terminal 19 places is jack bases, also AV terminal can be installed on this jack base, product needed because the product needed on the European market adopts SCART terminal 19 on the Asian, African and Latin American market adopts AV terminal, adopt the terminal of said sequence to arrange to be line preface to be identical, make the intersection of the track on the pcb board 1 reach minimum in order to make above-mentioned terminal and master control chip 4.The upper right corner at pcb board 1 also is provided with extension socket 33, and this extension socket 33 can connect peripheral hardwares such as DVD, card reader makes above-mentioned outer being located under some demand condition can be integrated in television set inside.Above master control chip 4, be provided with LCD screen line gang socket 34, make line between master control chip 4 and the lcd screen, reduce signal attenuation apart from minimum.
In the utility model embodiment, the size of pcb board 1 is provided with 6 location holes altogether at 249mm*150mm on the plate.The air line distance of the right hand edge 31 of the center of its mesopore 24 and pcb board 1 is 247mm, with the air line distance of the lower limb 32 of pcb board 1 be 144mm, the air line distance of the right hand edge 31 of the center in hole 25 and pcb board 1 is 201mm, with the air line distance of the lower limb 32 of pcb board 1 be 145mm, the air line distance of the right hand edge 31 of the center in hole 26 and pcb board 1 is 4mm, with the air line distance of the lower limb 32 of pcb board 1 be 145mm, the air line distance of the right hand edge 31 of the center in hole 27 and pcb board 1 is 222mm, with the air line distance of the lower limb 32 of pcb board 1 be 13mm, the air line distance of the right hand edge 31 of the center in hole 28 and pcb board 1 is 198mm, with the air line distance of the lower limb 32 of pcb board 1 be 5mm, the air line distance of the right hand edge 31 of the center in hole 29 and pcb board 1 is 108mm, with the air line distance of the lower limb 32 of pcb board 1 be 82mm, the air line distance of the right hand edge 31 of the center in hole 30 and pcb board 1 is 4mm, with the air line distance of the lower limb 32 of pcb board 1 be 22mm.The air line distance of the right hand edge 31 of the axis of described tuner terminal 16 and pcb board 1 is 173mm, the air line distance of the right hand edge 31 of the axis of earphone terminal 17 and pcb board 1 is 158mm, the air line distance of the right hand edge 31 of the axis of sound input end 18 and pcb board 1 is 147mm, the air line distance of the right hand edge 31 of the axis of SCART terminal 19 and pcb board 1 is 106mm, the air line distance of the right hand edge 31 of the axis of S terminal 20 and pcb board 1 is 66mm, the air line distance of the right hand edge 31 of the axis of VGA terminal 21 and pcb board 1 is 41mm, the air line distance of the right hand edge 31 of the axis of HDMI terminal 22 and pcb board 1 is 12mm, wherein if SCART terminal 19 replaceable be AV terminal, the air line distance of the right hand edge 31 of the axis of AV terminal and pcb board 1 is 106mm.
Above description and accompanying drawing have been represented preferred embodiment of the present utility model.Be appreciated that various increases, distortion and replacement all should be comprised within the protection range of the present utility model under the condition that does not deviate from by the spirit and scope of the defined principle of the present utility model of claims.
Claims (6)
1. core of panel television, at least comprise pcb board, main process chip, tuner, intermediate frequency unit, earphone terminal, VGA terminal, S terminal, HDMI terminal, power supply and inverter, wherein, described pcb board is the individual layer pcb board, and described main process chip, tuner, intermediate frequency unit, earphone terminal, VGA terminal, S terminal, HDMI terminal, power supply and inverter all are laid on the described pcb board.
2. core of panel television as claimed in claim 1, it is characterized in that, described pcb board is provided with several sockets, and described socket can patch some kinds of expansion board according to the actual needs to realize beautiful sound function, BTSC function, connect functions of card reader, to connect one or more functions in the built-in DVD function.
3. core of panel television as claimed in claim 1 is characterized in that described pcb board is provided with a jack base, and this jack base can patch AV terminal or SCART terminal.
4. core of panel television as claimed in claim 1 is characterized in that, described inverter occupies a jiao of described pcb board, is divisible design between described inverter and the described pcb board.
5. core of panel television as claimed in claim 4, it is characterized in that, the pcb board of described inverter position is provided with two splicing ears, connect by lead between described two splicing ears, between the above two splicing ears of described pcb board, be provided with and cut groove, if enclosure space is narrow and small when described pcb board can't be set, the pcb board at described inverter place can cut the groove branch from described pcb board upper edge and cut off, described inverter by cable with cut apart after pcb board be connected, described inverter is installed in suitable position in the casing.
6. core of panel television as claimed in claim 1, it is characterized in that, described power supply is positioned at the top of described pcb board, and the transformer of power unit and metal-oxide-semiconductor is positioned at the top of described pcb board so that transformer is far away as much as possible apart from tuner and intermediate frequency unit; One audio power amplifier module and described inverter are located at the homonymy of pcb board; Terminal setting on the described pcb board is followed successively by a kind of, S terminal, VGA terminal, the HDMI terminal in tuner terminal, earphone terminal, sound input end, SCART socket or the RCA socket from left to right; The dead size of described pcb board is 249*150.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200760589U CN201491141U (en) | 2009-06-10 | 2009-06-10 | Television core of flat panel television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200760589U CN201491141U (en) | 2009-06-10 | 2009-06-10 | Television core of flat panel television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201491141U true CN201491141U (en) | 2010-05-26 |
Family
ID=42430006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200760589U Expired - Fee Related CN201491141U (en) | 2009-06-10 | 2009-06-10 | Television core of flat panel television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201491141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610369A (en) * | 2009-06-10 | 2009-12-23 | 东杰电气(中国)有限公司 | A kind of core of panel television |
| CN102710916A (en) * | 2012-05-16 | 2012-10-03 | 深圳市秀波实业有限公司 | Network high-definition smart television stick |
-
2009
- 2009-06-10 CN CN2009200760589U patent/CN201491141U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610369A (en) * | 2009-06-10 | 2009-12-23 | 东杰电气(中国)有限公司 | A kind of core of panel television |
| CN101610369B (en) * | 2009-06-10 | 2014-01-22 | 东杰电气(中国)有限公司 | Core of panel television |
| CN102710916A (en) * | 2012-05-16 | 2012-10-03 | 深圳市秀波实业有限公司 | Network high-definition smart television stick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151229 Address after: 200000 No. 1189 Leann Road, Minhang District, 7 Xin Wu industrial park, Shanghai Patentee after: SHANGHAI KITKING ELECTRONIC CO., LTD. Address before: 201100 No. 2618 Gu Dai Road, Shanghai, Minhang District Patentee before: Dongjie Electrical (Chinese) Co., Ltd. Patentee before: East Kit Electric (Shanghai) Co., Ltd. Patentee before: SHANGHAI KITKING ELECTRONIC CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20180610 |