CN201048032Y - LED video control system - Google Patents
LED video control system Download PDFInfo
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- CN201048032Y CN201048032Y CNU2006201453300U CN200620145330U CN201048032Y CN 201048032 Y CN201048032 Y CN 201048032Y CN U2006201453300 U CNU2006201453300 U CN U2006201453300U CN 200620145330 U CN200620145330 U CN 200620145330U CN 201048032 Y CN201048032 Y CN 201048032Y
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Abstract
A LED video control system relating to the control comprises a video controller and a LED display screen. The receiving cards of different display units are alternately connected in series through a signal port (a) and a signal port (b). The utility model is characterized in that the signal port (a) or the signal port (b) of two receiving cards arranged at the end of the alternately serially connected circuit is respectively connected with an output port (A) or an output port (B) of the video controller, and the output port (A) and the output port (B) form a ring connection circuit with the signal port (a) and the signal port (b) of all receiving cards; the video controller transmits two ways of integral and same video data from the output port (A) and the output port (B), and two ways of video data are relatively transmitted in opposite directions in the ring connection circuit; the receiving cards detect the two ways of video data and correspondingly drive a LED display module group according to the state of two ways of video data, thereby accomplishing the video display. The utility model realizes the hot standby of the video data, has strong adaptability, and has high working reliability.
Description
Technical field
The utility model relates to control, relates in particular to a kind of LED video control system.
Background technology
Continuous development along with LED technology and video technique, the Video Applications of LED display has obtained using widely, as shown in Figure 1, existing LED video control system comprises Video Controller M and LED display N, LED display N comprises support 1, housing 2 and several display units 3, and wherein, housing 2 is installed on the support 1, several display units 3 are installed in the housing 2, and the transmission of relevant video data then is to send data by Video Controller M to display unit 3 to finish.
As shown in Figure 2, the logical cable line of Video Controller M receives the vision signal from the outside, by LED video control card wherein to Video signal processing after, transmit video data to display unit 3, this LED video control card mainly comprises DVI (Digital Visual Interface: load module digital visual interface), synchronization module, the Video processing logical circuit, output driver module and output port A, B, LED video control card carries out synchronously vision signal, the folding bag, resolve, coding, processing such as packing, export video data suitable for reading and end opening video data respectively at output port A and output port B, promptly, as shown in Figure 1, video data suitable for reading is only corresponding to the video data of the display unit 3 of the first half in the housing 2, the end opening video data is only corresponding to the video data of the display unit 3 of the latter half in the housing 2, and output port A and output port B link to each other with corresponding display unit 3.
As shown in Figure 3, in housing 2, comprise a receiving card 31 and a plurality of LED in each display unit 3 and show module 32, receiving card 31 comprises two signal port a, b, the signal shaping and filtering circuit, the LED display driver circuit, the LED display interface circuit also links to each other successively, the LED display interface circuit shows that with a plurality of LED module 32 links to each other, each LED shows that module 32 (for example comprises the drive plate and the minimum unit of display, the resolution of the minimum unit of display is generally 16 * 16 or 16 * 8 led array), receiving card 31 driving LED show module 32, finish video and show.
As shown in Figure 4, in conjunction with Fig. 1 and Fig. 3 as can be known, no matter be for video data suitable for reading or for the end opening video data, the output port A of Video Controller M and output port B all with corresponding display unit 3 in receiving card 31 directly be connected, existing connected mode is the shown mode of Fig. 4, alternately be connected in series by signal port a, b between the receiving card 31 of different display units 3, video data transmits by each receiving card 31 order series connection.
Because the LED video control system is in the comparatively abominable outdoor environment of environmental baseline mostly, data line between Video Controller M and the receiving card 31 is easier to take place nature or artificial damaged, as shown in Figure 5, in case produced this breakage, all receiving cards 31 that are connected in series all can not receive video data, respective display unit 3 also just can not display image, for recovering to show, then need manually to get involved repair system, the system self-adaption poor-performing, therefore, the prior art functional reliability is lower.
Summary of the invention
The LED video control system that provides a kind of reliability high is provided the purpose of this utility model, takes place to need artificial repair system, the defective of system self-adaption poor-performing of getting involved when damaged to overcome in the prior art data line.
The LED video control system that the utility model adopted, comprise Video Controller and LED display, described LED display comprises several display units at least, wherein, described Video Controller comprises two output port A, B, comprises a receiving card and a plurality of LED in described each display unit and shows module, described each receiving card has two signal port a, b, wherein, alternately be connected in series by signal port a, b between the receiving card of different display units, it is characterized in that:
In the described alternately tandem link, the signal port a or the signal port b that are in two terminal receiving cards link to each other with the output port A or the output port B of Video Controller respectively, and the signal port a of described output port A, output port B and all receiving cards, signal port b constitute the ring-type connection line;
Described Video Controller sends the complete and identical video data of two-way by output port A and output port B, and described two-path video data are relative reverse transfer in described ring-type connection line;
Described receiving card detects the two-path video data, according to the state of two-path video data correspondingly driving LED show module, finish video and show.
Described receiving card comprises signal port a, b, detects processing module and also links to each other successively with signal processing module, wherein,
Described signal port a, b receive the two-path video data in the ring-type connection line respectively, and it is passed to the detection processing module;
Described detection processing module detects the real-time working state of two-path video data, and the receiving cable to video data switches as required, and the video data of finishing between this receiving card signal port a, the b transmits;
Described signal processing module receives wherein one road video data according to detecting the determined receiving cable of processing module, and this video data is carried out shaping, Filtering Processing, shows module to LED, and signal port a or signal port b transmission display drive signals.
Described detection processing module comprises signal deteching circuit and signal shift switch, described signal shift switch is connected between signal port a, b and the signal processing module, and described signal deteching circuit is according to the receiving cable of the direct control signal change-over switch of testing result.
Among the output port A and output port B in the described Video Controller, output port A is main output port, and output port B is auxiliary output port;
The output port A of described Video Controller links to each other with the signal port a of first receiving card in the tandem link alternately;
The output port B of described Video Controller links to each other with the signal port b of last receiving card in the tandem link alternately.
Described signal deteching circuit is the video data of control signal change-over switch connection signal port a acquiescently, and is invalid if signal deteching circuit detects the video data of signal port a, then control signal change-over switch connection signal port b.
The beneficial effects of the utility model are: in the utility model, pass through signal port a between the receiving card of different display units, b is serial connection alternately, being in alternately, the signal port a or the signal port b of two receiving cards of tandem link end link to each other with the output port A or the output port B of Video Controller respectively, described output port A, the signal port a of output port B and all receiving cards, signal port b constitutes the ring-type connection line, Video Controller sends the complete and identical video data of two-way by output port A and output port B, described two-path video data are relative reverse transfer in described ring-type connection line, receiving card detects the two-path video data, according to the state of two-path video data correspondingly driving LED show module, finishing video shows, like this, Video Controller be may be used to the demonstration of LED display by output port A and output port video data that B sends, in two data lines that link to each other between Video Controller and two receiving cards, which bar generation nature or artificial damaged no matter, the system that can not influence normally moves (display image), do not need manually to get involved repair system, improved system self-adaption, in fact the utility model has realized Hot Spare to video data, with respect to prior art, functional reliability of the present utility model is greatly improved.
Description of drawings
Fig. 1 is that overall system constitutes synoptic diagram in the prior art;
Fig. 2 is a LED video control card basic comprising synoptic diagram in the prior art;
Fig. 3 is a display unit basic comprising synoptic diagram in the prior art;
Fig. 4 is Video Controller and a display unit connected mode synoptic diagram in the prior art;
Fig. 5 is system state synoptic diagram when data line is damaged in the prior art;
Fig. 6 constitutes synoptic diagram for the utility model overall system;
Fig. 7 is the utility model LED video control card basic comprising synoptic diagram;
Fig. 8 constitutes synoptic diagram for the utility model display unit;
Fig. 9 is the utility model connected mode synoptic diagram.
Embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
According to Fig. 6, the utility model comprises Video Controller M and LED display N, LED display N comprises support 1, housing 2 and several display units 3, wherein, housing 2 is installed on the support 1, several display units 3 are installed in the housing 2, and the transmission of video data then is to send data by Video Controller M to display unit 3 to finish.
As shown in Figure 7, Video Controller M comprises LED video control card, LED video control card comprises DVI (Digital Visual Interface: digital visual interface) load module, synchronization module, Video processing logical circuit, output driver module and output port A, B, LED video control card carries out synchronously, rolls over processing such as bag, parsing, coding, packing vision signal, exports the complete and identical video data of two-way respectively at output port A and output port B.
As shown in Figure 8, in housing 2, comprise a receiving card 31 and a plurality of LED in each display unit 3 and show module 32, receiving card 31 comprises signal port a, b, detects processing module 312 and also links to each other successively with signal processing module 313.
As shown in Figure 9, alternately be connected in series by signal port a, b between the receiving card 31 of different display units 3, replace in the tandem link at this, the signal port a or the signal port b that are in two terminal receiving cards 31 link to each other with output port A or the output port B of Video Controller M respectively, the signal port a of output port A, output port B and all receiving card 31, signal port b constitute ring-type connection line, two-path video data relative reverse transfer in the ring-type connection line that Video Controller M is sent by output port A and output port B.
In Fig. 9, be example to comprise 4 display units 3 in the housing 2, comprise receiving card 31A, 31B, 31C, 31D in 4 display units 3 respectively:
As shown in Figure 9, among the output port A and output port B among the Video Controller M, output port A is main output port, output port B is auxiliary output port, output port A links to each other with the signal port a of first receiving card 31A in the tandem link alternately, output port B with replace tandem link in the signal port b of last receiving card 31D link to each other.
Wherein, the video Data Transmission direction of output port A is as follows:
First receiving card 31A → receiving card 31B → receiving card 31C → last receiving card 31D
The video Data Transmission direction of output port A is as follows:
As shown in Figure 8, in receiving card 31, signal port a, b receives the two-path video data in the ring-type connection line respectively, and it is passed to detects processing module 312, detect the real-time working state that processing module 312 detects the two-path video data, receiving cable to video data switches as required, and finish this receiving card 31 signal port a, video data between the b transmits, signal processing module 313 receives wherein one road video data according to detecting processing module 312 determined receiving cables, this video data is carried out shaping, Filtering Processing, show module 32 to LED, and signal port a or signal port b transmission display drive signals.
Particularly, as shown in Figure 8, detect processing module 312 and comprise signal deteching circuit 3121 and signal shift switch 3122, signal shift switch 3122 is connected in signal port a, between b and the signal processing module 313, described signal deteching circuit 3121 is according to the receiving cable of the direct control signal change-over switch 3122 of testing result, in practical operation, signal deteching circuit 3121 is the video data of control signal change-over switch 3122 connection signal port a acquiescently, if it is invalid that signal deteching circuit 3121 detects the video data of signal port a, then control signal change-over switch 3122 connection signal port b.
As shown in Figure 8, signal processing module 313 comprises signal shaping and filtering circuit 3131, LED display driver circuit 3132 and LED display interface circuit 3133 and links to each other successively, LED display interface circuit 3133 shows that with a plurality of LED module 32 links to each other, each LED shows that module 32 (for example comprises the drive plate and the minimum unit of display, the resolution of the minimum unit of display is generally 16 * 16 or 16 * 8 led array), thereby receiving card 31 driving LED show module 32, finish video and show.
As shown in Figure 9, in the utility model, in two data lines that link to each other between Video Controller M and two receiving card 31A, the 31D, which bar generation nature or artificial damaged no matter, the system that can not influence normally moves (display image).In the utility model, can also introduce automatic information feedback mechanism, for example, receiving card 31 detects the video data of signal port a or signal port b when invalid, receiving card 31 can transmit this invalid information to Video Controller M or other monitoring equipment, when Video Controller M or other monitoring equipment are received this invalid information, illustrate that then fault has taken place the data line that links to each other between Video Controller and the receiving card, again by the artificial repair data line of getting involved, but the artificial intervention here can not exert an influence to the normal operation (display image) of system, and behind the artificial repair data line, system's (receiving card 31) is by constantly detecting, words if necessary, system then can automatically carry out normal operating conditions again, that is, system uses the video data of signal port a.
In sum, although basic structure of the present utility model and principle are specifically set forth by the foregoing description, under the prerequisite that does not break away from the utility model main idea, according to above-described inspiration, those of ordinary skills can not need to pay creative work can implement multiple conversion/alternative form or combination, repeats no more herein.
Claims (5)
1. LED video control system, comprise Video Controller and LED display, described LED display comprises several display units at least, wherein, described Video Controller comprises two output port A, B, comprises a receiving card and a plurality of LED in described each display unit and shows module, described each receiving card has two signal port a, b, wherein, alternately be connected in series by signal port a, b between the receiving card of different display units, it is characterized in that:
In the described alternately tandem link, the signal port a or the signal port b that are in two terminal receiving cards link to each other with the output port A or the output port B of Video Controller respectively, and the signal port a of described output port A, output port B and all receiving cards, signal port b constitute the ring-type connection line;
Described Video Controller sends the complete and identical video data of two-way by output port A and output port B, and described two-path video data are relative reverse transfer in described ring-type connection line;
Described receiving card detects the two-path video data, according to the state of two-path video data correspondingly driving LED show module, finish video and show.
2. LED video control system according to claim 1 is characterized in that: described receiving card comprises signal port a, b, detect processing module and also link to each other successively with signal processing module, wherein,
Described signal port a, b receive the two-path video data in the ring-type connection line respectively, and it is passed to the detection processing module;
Described detection processing module detects the real-time working state of two-path video data, and the receiving cable to video data switches as required, and the video data of finishing between this receiving card signal port a, the b transmits;
Described signal processing module receives wherein one road video data according to detecting the determined receiving cable of processing module, and this video data is carried out shaping, Filtering Processing, shows module to LED, and signal port a or signal port b transmission display drive signals.
3. LED video control system according to claim 2, it is characterized in that: described detection processing module comprises signal deteching circuit and signal shift switch, described signal shift switch is connected between signal port a, b and the signal processing module, and described signal deteching circuit is according to the receiving cable of the direct control signal change-over switch of testing result.
4. LED video control system according to claim 3 is characterized in that:
Among the output port A and output port B in the described Video Controller, output port A is main output port, and output port B is auxiliary output port;
The output port A of described Video Controller links to each other with the signal port a of first receiving card in the tandem link alternately;
The output port B of described Video Controller links to each other with the signal port b of last receiving card in the tandem link alternately.
5. LED video control system according to claim 4, it is characterized in that: described signal deteching circuit is the video data of control signal change-over switch connection signal port a acquiescently, if it is invalid that signal deteching circuit detects the video data of signal port a, then control signal change-over switch connection signal port b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201453300U CN201048032Y (en) | 2006-12-29 | 2006-12-29 | LED video control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201453300U CN201048032Y (en) | 2006-12-29 | 2006-12-29 | LED video control system |
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| CN201048032Y true CN201048032Y (en) | 2008-04-16 |
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| CNU2006201453300U Expired - Fee Related CN201048032Y (en) | 2006-12-29 | 2006-12-29 | LED video control system |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101801132A (en) * | 2009-02-05 | 2010-08-11 | E:Cue控制有限公司 | Method for controlling illumination equipment and illumination device |
| CN101894521A (en) * | 2010-07-28 | 2010-11-24 | 中国科学院长春光学精密机械与物理研究所 | Dual computer hot-standby system of LED display screen |
| CN102097085A (en) * | 2010-12-25 | 2011-06-15 | 广东威创视讯科技股份有限公司 | Method and device for identifying system spliced by multiple display units |
| CN102469299A (en) * | 2010-11-19 | 2012-05-23 | Tcl新技术（惠州）有限公司 | Signal annular communication system and method of monitoring unit |
| CN102946546A (en) * | 2012-10-10 | 2013-02-27 | 西安诺瓦电子科技有限公司 | LED display screen control system supporting shutter type 3D displaying |
| CN103065587A (en) * | 2012-12-28 | 2013-04-24 | 富顺光电科技股份有限公司 | Transmitting-card-free low-cost light emitting diode (LED) synchronous display controlling system |
| CN103310725A (en) * | 2012-03-09 | 2013-09-18 | 深圳市创显光电有限公司 | LED signal free conversion device, conversion method and display screen |
| CN104361864A (en) * | 2014-12-01 | 2015-02-18 | 杭州士兰微电子股份有限公司 | LED module as well as port control method and LED display system |
| CN104980699A (en) * | 2015-06-18 | 2015-10-14 | 青岛海信电器股份有限公司 | Tiled display system and image signal processing method and image signal processing device thereof |
| CN105139788A (en) * | 2015-07-31 | 2015-12-09 | 苏州宏展信息科技有限公司 | Bar LED display screen data transmission method |
| CN110784663A (en) * | 2019-10-25 | 2020-02-11 | 深圳市奥拓电子股份有限公司 | Wireless data transmission and control method and device, electronic equipment and storage medium |
| CN111754926A (en) * | 2020-07-29 | 2020-10-09 | 深圳市奥拓电子股份有限公司 | LED video control system, fault positioning method thereof and LED display system |
| CN111930327A (en) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | LED mirror screen display method and device |
| CN112885294A (en) * | 2021-01-27 | 2021-06-01 | 深圳市帝麦德斯科技有限公司 | LED drive chip, drive circuit and display unit of dual signal source input |
| WO2022032921A1 (en) * | 2020-08-12 | 2022-02-17 | 深圳市奥拓电子股份有限公司 | Anti-intrusion led video control system and led display system |
| CN114267285A (en) * | 2020-09-14 | 2022-04-01 | 上海三思电子工程有限公司 | Matrix display module and system with redundant input signals |
-
2006
- 2006-12-29 CN CNU2006201453300U patent/CN201048032Y/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101801132A (en) * | 2009-02-05 | 2010-08-11 | E:Cue控制有限公司 | Method for controlling illumination equipment and illumination device |
| CN101894521A (en) * | 2010-07-28 | 2010-11-24 | 中国科学院长春光学精密机械与物理研究所 | Dual computer hot-standby system of LED display screen |
| CN101894521B (en) * | 2010-07-28 | 2012-03-21 | 中国科学院长春光学精密机械与物理研究所 | Dual computer hot-standby system of LED display screen |
| CN102469299A (en) * | 2010-11-19 | 2012-05-23 | Tcl新技术（惠州）有限公司 | Signal annular communication system and method of monitoring unit |
| CN102097085A (en) * | 2010-12-25 | 2011-06-15 | 广东威创视讯科技股份有限公司 | Method and device for identifying system spliced by multiple display units |
| CN102097085B (en) * | 2010-12-25 | 2013-04-10 | 广东威创视讯科技股份有限公司 | Method and device for identifying system spliced by multiple display units |
| CN103310725A (en) * | 2012-03-09 | 2013-09-18 | 深圳市创显光电有限公司 | LED signal free conversion device, conversion method and display screen |
| CN102946546A (en) * | 2012-10-10 | 2013-02-27 | 西安诺瓦电子科技有限公司 | LED display screen control system supporting shutter type 3D displaying |
| CN102946546B (en) * | 2012-10-10 | 2014-11-12 | 西安诺瓦电子科技有限公司 | LED display screen control system supporting shutter type 3D displaying |
| CN103065587B (en) * | 2012-12-28 | 2016-01-20 | 富顺光电科技股份有限公司 | A kind of LED synchronous display controlling system without sending card |
| CN103065587A (en) * | 2012-12-28 | 2013-04-24 | 富顺光电科技股份有限公司 | Transmitting-card-free low-cost light emitting diode (LED) synchronous display controlling system |
| CN104361864A (en) * | 2014-12-01 | 2015-02-18 | 杭州士兰微电子股份有限公司 | LED module as well as port control method and LED display system |
| CN104980699A (en) * | 2015-06-18 | 2015-10-14 | 青岛海信电器股份有限公司 | Tiled display system and image signal processing method and image signal processing device thereof |
| CN104980699B (en) * | 2015-06-18 | 2018-10-26 | 青岛海信电器股份有限公司 | A kind of splice displaying system and image-signal processing method therein and device |
| CN105139788A (en) * | 2015-07-31 | 2015-12-09 | 苏州宏展信息科技有限公司 | Bar LED display screen data transmission method |
| CN110784663A (en) * | 2019-10-25 | 2020-02-11 | 深圳市奥拓电子股份有限公司 | Wireless data transmission and control method and device, electronic equipment and storage medium |
| CN111930327A (en) * | 2020-07-27 | 2020-11-13 | 苏州仰邦软件科技有限公司 | LED mirror screen display method and device |
| CN111754926A (en) * | 2020-07-29 | 2020-10-09 | 深圳市奥拓电子股份有限公司 | LED video control system, fault positioning method thereof and LED display system |
| WO2022032921A1 (en) * | 2020-08-12 | 2022-02-17 | 深圳市奥拓电子股份有限公司 | Anti-intrusion led video control system and led display system |
| CN114267285A (en) * | 2020-09-14 | 2022-04-01 | 上海三思电子工程有限公司 | Matrix display module and system with redundant input signals |
| CN112885294A (en) * | 2021-01-27 | 2021-06-01 | 深圳市帝麦德斯科技有限公司 | LED drive chip, drive circuit and display unit of dual signal source input |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN ALTO ELECTRONICS COMPANY LTD. Free format text: FORMER NAME: SHENZHEN ALTO ELECTRONICS CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 518057 T2 A6-B, South District, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Patentee after: Shenzhen Aoto Electronics Co., Ltd. Address before: 518057 T2 A6-B, South District, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Patentee before: Autuo Electronics Co., Ltd., Shenzhen City |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |